Sync docs from v2.2.0.M2 to gh-pages
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spring-cloud-consul/2.2.0.M2/reference/html/README.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="generator" content="Asciidoctor 1.5.7.1">
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<title>Consul overview</title>
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<link rel="stylesheet" href="css/spring.css">
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<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
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</head>
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<body class="book toc2 toc-left">
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<div id="header">
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<div id="toc" class="toc2">
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<div id="toctitle">Table of Contents</div>
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<ul class="sectlevel1">
|
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<li><a href="#_consul_overview">Consul overview</a></li>
|
||||
<li><a href="#_spring_cloud_consul_features">Spring Cloud Consul Features</a></li>
|
||||
<li><a href="#_running_the_sample">Running the sample</a></li>
|
||||
<li><a href="#_building">Building</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_basic_compile_and_test">Basic Compile and Test</a></li>
|
||||
<li><a href="#_documentation">Documentation</a></li>
|
||||
<li><a href="#_working_with_the_code">Working with the code</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#_contributing">Contributing</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_sign_the_contributor_license_agreement">Sign the Contributor License Agreement</a></li>
|
||||
<li><a href="#_code_of_conduct">Code of Conduct</a></li>
|
||||
<li><a href="#_code_conventions_and_housekeeping">Code Conventions and Housekeeping</a></li>
|
||||
<li><a href="#_checkstyle">Checkstyle</a></li>
|
||||
<li><a href="#_ide_setup">IDE setup</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div id="content">
|
||||
<div id="preamble">
|
||||
<div class="sectionbody">
|
||||
<div class="imageblock">
|
||||
<div class="content">
|
||||
<a class="image" href="https://circleci.com/gh/spring-cloud/spring-cloud-consul/tree/master"><img src="https://circleci.com/gh/spring-cloud/spring-cloud-consul/tree/master.svg?style=svg" alt="CircleCI"></a>
|
||||
</div>
|
||||
</div>
|
||||
<div class="imageblock">
|
||||
<div class="content">
|
||||
<a class="image" href="https://codecov.io/gh/spring-cloud/spring-cloud-consul/branch/master"><img src="https://codecov.io/gh/spring-cloud/spring-cloud-consul/branch/master/graph/badge.svg" alt="Codecov"></a>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This project provides Consul integrations for Spring Boot apps through autoconfiguration
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||||
and binding to the Spring Environment and other Spring programming model idioms. With a few
|
||||
simple annotations you can quickly enable and configure the common patterns inside your
|
||||
application and build large distributed systems with Consul based components. The
|
||||
patterns provided include Service Discovery, Control Bus and Configuration.
|
||||
Intelligent Routing (Zuul) and Client Side Load Balancing (Ribbon), Circuit Breaker
|
||||
(Hystrix) are provided by integration with Spring Cloud Netflix.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_consul_overview"><a class="link" href="#_consul_overview">Consul overview</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Features of Consul</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Distributed configuration</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Service registration and discovery</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Distributed events</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Distributed locking and sessions</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Supports multiple data centers</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Built in, user-friendly user interface</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>See the <a href="https://consul.io/intro/index.html">intro</a> for more information.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_spring_cloud_consul_features"><a class="link" href="#_spring_cloud_consul_features">Spring Cloud Consul Features</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Spring Cloud <code>DiscoveryClient</code> implementation</p>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>supports Ribbon and Zuul</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</li>
|
||||
<li>
|
||||
<p>Consul based <code>PropertySource</code> loaded during the 'bootstrap' phase.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Spring Cloud Bus implementation based on Consul <a href="https://www.consul.io/docs/agent/http/event.html">events</a></p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_running_the_sample"><a class="link" href="#_running_the_sample">Running the sample</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="olist arabic">
|
||||
<ol class="arabic">
|
||||
<li>
|
||||
<p>Run <code>docker-compose up</code></p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Verify consul is running by visiting <a href="http://localhost:8500" class="bare">http://localhost:8500</a></p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Run <code>mvn package</code> this will bring in the required spring cloud maven repositories and build</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Run <code>java -jar spring-cloud-consul-sample/target/spring-cloud-consul-sample-${VERSION}.jar</code></p>
|
||||
</li>
|
||||
<li>
|
||||
<p>visit <a href="http://localhost:8080" class="bare">http://localhost:8080</a>, verify that <code>{"serviceId":"<yourhost>:8080","host":"<yourhost>","port":8080}</code> results</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>run <code>java -jar spring-cloud-consul-sample/target/spring-cloud-consul-sample-${VERSION}.jar --server.port=8081</code></p>
|
||||
</li>
|
||||
<li>
|
||||
<p>visit <a href="http://localhost:8080" class="bare">http://localhost:8080</a> again, verify that <code>{"serviceId":"<yourhost>:8081","host":"<yourhost>","port":8081}</code> eventually shows up in the results in a round robbin fashion (may take a minute or so).</p>
|
||||
</li>
|
||||
</ol>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_building"><a class="link" href="#_building">Building</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="sect2">
|
||||
<h3 id="_basic_compile_and_test"><a class="link" href="#_basic_compile_and_test">Basic Compile and Test</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To build the source you will need to install JDK 1.8.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud uses Maven for most build-related activities, and you
|
||||
should be able to get off the ground quite quickly by cloning the
|
||||
project you are interested in and typing</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>$ ./mvnw install</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="admonitionblock note">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-note" title="Note"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
You can also install Maven (>=3.3.3) yourself and run the <code>mvn</code> command
|
||||
in place of <code>./mvnw</code> in the examples below. If you do that you also
|
||||
might need to add <code>-P spring</code> if your local Maven settings do not
|
||||
contain repository declarations for spring pre-release artifacts.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="admonitionblock note">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-note" title="Note"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
Be aware that you might need to increase the amount of memory
|
||||
available to Maven by setting a <code>MAVEN_OPTS</code> environment variable with
|
||||
a value like <code>-Xmx512m -XX:MaxPermSize=128m</code>. We try to cover this in
|
||||
the <code>.mvn</code> configuration, so if you find you have to do it to make a
|
||||
build succeed, please raise a ticket to get the settings added to
|
||||
source control.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>For hints on how to build the project look in <code>.travis.yml</code> if there
|
||||
is one. There should be a "script" and maybe "install" command. Also
|
||||
look at the "services" section to see if any services need to be
|
||||
running locally (e.g. mongo or rabbit). Ignore the git-related bits
|
||||
that you might find in "before_install" since they’re related to setting git
|
||||
credentials and you already have those.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The projects that require middleware generally include a
|
||||
<code>docker-compose.yml</code>, so consider using
|
||||
<a href="https://docs.docker.com/compose/">Docker Compose</a> to run the middeware servers
|
||||
in Docker containers. See the README in the
|
||||
<a href="https://github.com/spring-cloud-samples/scripts">scripts demo
|
||||
repository</a> for specific instructions about the common cases of mongo,
|
||||
rabbit and redis.</p>
|
||||
</div>
|
||||
<div class="admonitionblock note">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-note" title="Note"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
If all else fails, build with the command from <code>.travis.yml</code> (usually
|
||||
<code>./mvnw install</code>).
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_documentation"><a class="link" href="#_documentation">Documentation</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The spring-cloud-build module has a "docs" profile, and if you switch
|
||||
that on it will try to build asciidoc sources from
|
||||
<code>src/main/asciidoc</code>. As part of that process it will look for a
|
||||
<code>README.adoc</code> and process it by loading all the includes, but not
|
||||
parsing or rendering it, just copying it to <code>${main.basedir}</code>
|
||||
(defaults to <code>${basedir}</code>, i.e. the root of the project). If there are
|
||||
any changes in the README it will then show up after a Maven build as
|
||||
a modified file in the correct place. Just commit it and push the change.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_working_with_the_code"><a class="link" href="#_working_with_the_code">Working with the code</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>If you don’t have an IDE preference we would recommend that you use
|
||||
<a href="https://www.springsource.com/developer/sts">Spring Tools Suite</a> or
|
||||
<a href="https://eclipse.org">Eclipse</a> when working with the code. We use the
|
||||
<a href="https://eclipse.org/m2e/">m2eclipse</a> eclipse plugin for maven support. Other IDEs and tools
|
||||
should also work without issue as long as they use Maven 3.3.3 or better.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_importing_into_eclipse_with_m2eclipse"><a class="link" href="#_importing_into_eclipse_with_m2eclipse">Importing into eclipse with m2eclipse</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>We recommend the <a href="https://eclipse.org/m2e/">m2eclipse</a> eclipse plugin when working with
|
||||
eclipse. If you don’t already have m2eclipse installed it is available from the "eclipse
|
||||
marketplace".</p>
|
||||
</div>
|
||||
<div class="admonitionblock note">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-note" title="Note"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
Older versions of m2e do not support Maven 3.3, so once the
|
||||
projects are imported into Eclipse you will also need to tell
|
||||
m2eclipse to use the right profile for the projects. If you
|
||||
see many different errors related to the POMs in the projects, check
|
||||
that you have an up to date installation. If you can’t upgrade m2e,
|
||||
add the "spring" profile to your <code>settings.xml</code>. Alternatively you can
|
||||
copy the repository settings from the "spring" profile of the parent
|
||||
pom into your <code>settings.xml</code>.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_importing_into_eclipse_without_m2eclipse"><a class="link" href="#_importing_into_eclipse_without_m2eclipse">Importing into eclipse without m2eclipse</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>If you prefer not to use m2eclipse you can generate eclipse project metadata using the
|
||||
following command:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>$ ./mvnw eclipse:eclipse</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The generated eclipse projects can be imported by selecting <code>import existing projects</code>
|
||||
from the <code>file</code> menu.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_contributing"><a class="link" href="#_contributing">Contributing</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud is released under the non-restrictive Apache 2.0 license,
|
||||
and follows a very standard Github development process, using Github
|
||||
tracker for issues and merging pull requests into master. If you want
|
||||
to contribute even something trivial please do not hesitate, but
|
||||
follow the guidelines below.</p>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_sign_the_contributor_license_agreement"><a class="link" href="#_sign_the_contributor_license_agreement">Sign the Contributor License Agreement</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>Before we accept a non-trivial patch or pull request we will need you to sign the
|
||||
<a href="https://cla.pivotal.io/sign/spring">Contributor License Agreement</a>.
|
||||
Signing the contributor’s agreement does not grant anyone commit rights to the main
|
||||
repository, but it does mean that we can accept your contributions, and you will get an
|
||||
author credit if we do. Active contributors might be asked to join the core team, and
|
||||
given the ability to merge pull requests.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_code_of_conduct"><a class="link" href="#_code_of_conduct">Code of Conduct</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>This project adheres to the Contributor Covenant <a href="https://github.com/spring-cloud/spring-cloud-build/blob/master/docs/src/main/asciidoc/code-of-conduct.adoc">code of
|
||||
conduct</a>. By participating, you are expected to uphold this code. Please report
|
||||
unacceptable behavior to <a href="mailto:spring-code-of-conduct@pivotal.io">spring-code-of-conduct@pivotal.io</a>.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_code_conventions_and_housekeeping"><a class="link" href="#_code_conventions_and_housekeeping">Code Conventions and Housekeeping</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>None of these is essential for a pull request, but they will all help. They can also be
|
||||
added after the original pull request but before a merge.</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Use the Spring Framework code format conventions. If you use Eclipse
|
||||
you can import formatter settings using the
|
||||
<code>eclipse-code-formatter.xml</code> file from the
|
||||
<a href="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-dependencies-parent/eclipse-code-formatter.xml">Spring
|
||||
Cloud Build</a> project. If using IntelliJ, you can use the
|
||||
<a href="https://plugins.jetbrains.com/plugin/6546">Eclipse Code Formatter
|
||||
Plugin</a> to import the same file.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Make sure all new <code>.java</code> files to have a simple Javadoc class comment with at least an
|
||||
<code>@author</code> tag identifying you, and preferably at least a paragraph on what the class is
|
||||
for.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Add the ASF license header comment to all new <code>.java</code> files (copy from existing files
|
||||
in the project)</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Add yourself as an <code>@author</code> to the .java files that you modify substantially (more
|
||||
than cosmetic changes).</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Add some Javadocs and, if you change the namespace, some XSD doc elements.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>A few unit tests would help a lot as well — someone has to do it.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>If no-one else is using your branch, please rebase it against the current master (or
|
||||
other target branch in the main project).</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>When writing a commit message please follow <a href="https://tbaggery.com/2008/04/19/a-note-about-git-commit-messages.html">these conventions</a>,
|
||||
if you are fixing an existing issue please add <code>Fixes gh-XXXX</code> at the end of the commit
|
||||
message (where XXXX is the issue number).</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_checkstyle"><a class="link" href="#_checkstyle">Checkstyle</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud Build comes with a set of checkstyle rules. You can find them in the <code>spring-cloud-build-tools</code> module. The most notable files under the module are:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">spring-cloud-build-tools/</div>
|
||||
<div class="content">
|
||||
<pre>└── src
|
||||
├── checkstyle
|
||||
│ └── checkstyle-suppressions.xml <i class="conum" data-value="3"></i><b>(3)</b>
|
||||
└── main
|
||||
└── resources
|
||||
├── checkstyle-header.txt <i class="conum" data-value="2"></i><b>(2)</b>
|
||||
└── checkstyle.xml <i class="conum" data-value="1"></i><b>(1)</b></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="colist arabic">
|
||||
<table>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="1"></i><b>1</b></td>
|
||||
<td>Default Checkstyle rules</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="2"></i><b>2</b></td>
|
||||
<td>File header setup</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="3"></i><b>3</b></td>
|
||||
<td>Default suppression rules</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_checkstyle_configuration"><a class="link" href="#_checkstyle_configuration">Checkstyle configuration</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Checkstyle rules are <strong>disabled by default</strong>. To add checkstyle to your project just define the following properties and plugins.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">pom.xml</div>
|
||||
<div class="content">
|
||||
<pre><properties>
|
||||
<maven-checkstyle-plugin.failsOnError>true</maven-checkstyle-plugin.failsOnError> <i class="conum" data-value="1"></i><b>(1)</b>
|
||||
<maven-checkstyle-plugin.failsOnViolation>true
|
||||
</maven-checkstyle-plugin.failsOnViolation> <i class="conum" data-value="2"></i><b>(2)</b>
|
||||
<maven-checkstyle-plugin.includeTestSourceDirectory>true
|
||||
</maven-checkstyle-plugin.includeTestSourceDirectory> <i class="conum" data-value="3"></i><b>(3)</b>
|
||||
</properties>
|
||||
|
||||
<build>
|
||||
<plugins>
|
||||
<plugin> <i class="conum" data-value="4"></i><b>(4)</b>
|
||||
<groupId>io.spring.javaformat</groupId>
|
||||
<artifactId>spring-javaformat-maven-plugin</artifactId>
|
||||
</plugin>
|
||||
<plugin> <i class="conum" data-value="5"></i><b>(5)</b>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-checkstyle-plugin</artifactId>
|
||||
</plugin>
|
||||
</plugins>
|
||||
|
||||
<reporting>
|
||||
<plugins>
|
||||
<plugin> <i class="conum" data-value="5"></i><b>(5)</b>
|
||||
<groupId>org.apache.maven.plugins</groupId>
|
||||
<artifactId>maven-checkstyle-plugin</artifactId>
|
||||
</plugin>
|
||||
</plugins>
|
||||
</reporting>
|
||||
</build></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="colist arabic">
|
||||
<table>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="1"></i><b>1</b></td>
|
||||
<td>Fails the build upon Checkstyle errors</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="2"></i><b>2</b></td>
|
||||
<td>Fails the build upon Checkstyle violations</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="3"></i><b>3</b></td>
|
||||
<td>Checkstyle analyzes also the test sources</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="4"></i><b>4</b></td>
|
||||
<td>Add the Spring Java Format plugin that will reformat your code to pass most of the Checkstyle formatting rules</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="5"></i><b>5</b></td>
|
||||
<td>Add checkstyle plugin to your build and reporting phases</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>If you need to suppress some rules (e.g. line length needs to be longer), then it’s enough for you to define a file under <code>${project.root}/src/checkstyle/checkstyle-suppressions.xml</code> with your suppressions. Example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">projectRoot/src/checkstyle/checkstyle-suppresions.xml</div>
|
||||
<div class="content">
|
||||
<pre><?xml version="1.0"?>
|
||||
<!DOCTYPE suppressions PUBLIC
|
||||
"-//Puppy Crawl//DTD Suppressions 1.1//EN"
|
||||
"https://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
|
||||
<suppressions>
|
||||
<suppress files=".*ConfigServerApplication\.java" checks="HideUtilityClassConstructor"/>
|
||||
<suppress files=".*ConfigClientWatch\.java" checks="LineLengthCheck"/>
|
||||
</suppressions></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>It’s advisable to copy the <code>${spring-cloud-build.rootFolder}/.editorconfig</code> and <code>${spring-cloud-build.rootFolder}/.springformat</code> to your project. That way, some default formatting rules will be applied. You can do so by running this script:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre class="highlightjs highlight"><code class="language-bash hljs" data-lang="bash">$ curl https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/.editorconfig -o .editorconfig
|
||||
$ touch .springformat</code></pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_ide_setup"><a class="link" href="#_ide_setup">IDE setup</a></h3>
|
||||
<div class="sect3">
|
||||
<h4 id="_intellij_idea"><a class="link" href="#_intellij_idea">Intellij IDEA</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>In order to setup Intellij you should import our coding conventions, inspection profiles and set up the checkstyle plugin.
|
||||
The following files can be found in the <a href="https://github.com/spring-cloud/spring-cloud-build/tree/master/spring-cloud-build-tools">Spring Cloud Build</a> project.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">spring-cloud-build-tools/</div>
|
||||
<div class="content">
|
||||
<pre>└── src
|
||||
├── checkstyle
|
||||
│ └── checkstyle-suppressions.xml <i class="conum" data-value="3"></i><b>(3)</b>
|
||||
└── main
|
||||
└── resources
|
||||
├── checkstyle-header.txt <i class="conum" data-value="2"></i><b>(2)</b>
|
||||
├── checkstyle.xml <i class="conum" data-value="1"></i><b>(1)</b>
|
||||
└── intellij
|
||||
├── Intellij_Project_Defaults.xml <i class="conum" data-value="4"></i><b>(4)</b>
|
||||
└── Intellij_Spring_Boot_Java_Conventions.xml <i class="conum" data-value="5"></i><b>(5)</b></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="colist arabic">
|
||||
<table>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="1"></i><b>1</b></td>
|
||||
<td>Default Checkstyle rules</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="2"></i><b>2</b></td>
|
||||
<td>File header setup</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="3"></i><b>3</b></td>
|
||||
<td>Default suppression rules</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="4"></i><b>4</b></td>
|
||||
<td>Project defaults for Intellij that apply most of Checkstyle rules</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td><i class="conum" data-value="5"></i><b>5</b></td>
|
||||
<td>Project style conventions for Intellij that apply most of Checkstyle rules</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="imageblock">
|
||||
<div class="content">
|
||||
<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/images/intellij-code-style.png" alt="Code style">
|
||||
</div>
|
||||
<div class="title">Figure 1. Code style</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Go to <code>File</code> → <code>Settings</code> → <code>Editor</code> → <code>Code style</code>. There click on the icon next to the <code>Scheme</code> section. There, click on the <code>Import Scheme</code> value and pick the <code>Intellij IDEA code style XML</code> option. Import the <code>spring-cloud-build-tools/src/main/resources/intellij/Intellij_Spring_Boot_Java_Conventions.xml</code> file.</p>
|
||||
</div>
|
||||
<div class="imageblock">
|
||||
<div class="content">
|
||||
<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/images/intellij-inspections.png" alt="Code style">
|
||||
</div>
|
||||
<div class="title">Figure 2. Inspection profiles</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Go to <code>File</code> → <code>Settings</code> → <code>Editor</code> → <code>Inspections</code>. There click on the icon next to the <code>Profile</code> section. There, click on the <code>Import Profile</code> and import the <code>spring-cloud-build-tools/src/main/resources/intellij/Intellij_Project_Defaults.xml</code> file.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<div class="title">Checkstyle</div>
|
||||
<p>To have Intellij work with Checkstyle, you have to install the <code>Checkstyle</code> plugin. It’s advisable to also install the <code>Assertions2Assertj</code> to automatically convert the JUnit assertions</p>
|
||||
</div>
|
||||
<div class="imageblock">
|
||||
<div class="content">
|
||||
<img src="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/docs/src/main/asciidoc/images/intellij-checkstyle.png" alt="Checkstyle">
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Go to <code>File</code> → <code>Settings</code> → <code>Other settings</code> → <code>Checkstyle</code>. There click on the <code>+</code> icon in the <code>Configuration file</code> section. There, you’ll have to define where the checkstyle rules should be picked from. In the image above, we’ve picked the rules from the cloned Spring Cloud Build repository. However, you can point to the Spring Cloud Build’s GitHub repository (e.g. for the <code>checkstyle.xml</code> : <code><a href="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/main/resources/checkstyle.xml" class="bare">https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/main/resources/checkstyle.xml</a></code>). We need to provide the following variables:</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p><code>checkstyle.header.file</code> - please point it to the Spring Cloud Build’s, <code>spring-cloud-build-tools/src/main/resources/checkstyle/checkstyle-header.txt</code> file either in your cloned repo or via the <code><a href="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/main/resources/checkstyle-header.txt" class="bare">https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/main/resources/checkstyle-header.txt</a></code> URL.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>checkstyle.suppressions.file</code> - default suppressions. Please point it to the Spring Cloud Build’s, <code>spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml</code> file either in your cloned repo or via the <code><a href="https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml" class="bare">https://raw.githubusercontent.com/spring-cloud/spring-cloud-build/master/spring-cloud-build-tools/src/checkstyle/checkstyle-suppressions.xml</a></code> URL.</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>checkstyle.additional.suppressions.file</code> - this variable corresponds to suppressions in your local project. E.g. you’re working on <code>spring-cloud-contract</code>. Then point to the <code>project-root/src/checkstyle/checkstyle-suppressions.xml</code> folder. Example for <code>spring-cloud-contract</code> would be: <code>/home/username/spring-cloud-contract/src/checkstyle/checkstyle-suppressions.xml</code>.</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="admonitionblock important">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-important" title="Important"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
Remember to set the <code>Scan Scope</code> to <code>All sources</code> since we apply checkstyle rules for production and test sources.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
|
||||
<script type="text/javascript" src="js/toc.js"></script>
|
||||
<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
|
||||
<script src="js/highlight/highlight.min.js"></script>
|
||||
<script>hljs.initHighlighting()</script>
|
||||
</body>
|
||||
</html>
|
||||
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spring-cloud-consul/2.2.0.M2/reference/html/favicon.ico
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spring-cloud-consul/2.2.0.M2/reference/html/favicon.ico
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|
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spring-cloud-consul/2.2.0.M2/reference/html/index.html
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793
spring-cloud-consul/2.2.0.M2/reference/html/index.html
Normal file
@@ -0,0 +1,793 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<meta name="generator" content="Asciidoctor 1.5.7.1">
|
||||
<title>Spring Cloud Consul</title>
|
||||
<link rel="stylesheet" href="css/spring.css">
|
||||
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
|
||||
|
||||
<style>
|
||||
.hidden {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.switch {
|
||||
border-width: 1px 1px 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
||||
display: inline-block;
|
||||
}
|
||||
|
||||
.switch--item {
|
||||
padding: 10px;
|
||||
background-color: #ffffff;
|
||||
color: #7a2518;
|
||||
display: inline-block;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.switch--item:not(:first-child) {
|
||||
border-width: 0 0 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
||||
}
|
||||
|
||||
.switch--item.selected {
|
||||
background-color: #7a2519;
|
||||
color: #ffffff;
|
||||
}
|
||||
</style>
|
||||
<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
|
||||
<script type="text/javascript">
|
||||
function addBlockSwitches() {
|
||||
$('.primary').each(function() {
|
||||
primary = $(this);
|
||||
createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
|
||||
primary.children('.title').remove();
|
||||
});
|
||||
$('.secondary').each(function(idx, node) {
|
||||
secondary = $(node);
|
||||
primary = findPrimary(secondary);
|
||||
switchItem = createSwitchItem(secondary, primary.children('.switch'));
|
||||
switchItem.content.addClass('hidden');
|
||||
findPrimary(secondary).append(switchItem.content);
|
||||
secondary.remove();
|
||||
});
|
||||
}
|
||||
|
||||
function createBlockSwitch(primary) {
|
||||
blockSwitch = $('<div class="switch"></div>');
|
||||
primary.prepend(blockSwitch);
|
||||
return blockSwitch;
|
||||
}
|
||||
|
||||
function findPrimary(secondary) {
|
||||
candidate = secondary.prev();
|
||||
while (!candidate.is('.primary')) {
|
||||
candidate = candidate.prev();
|
||||
}
|
||||
return candidate;
|
||||
}
|
||||
|
||||
function createSwitchItem(block, blockSwitch) {
|
||||
blockName = block.children('.title').text();
|
||||
content = block.children('.content').first().append(block.next('.colist'));
|
||||
item = $('<div class="switch--item">' + blockName + '</div>');
|
||||
item.on('click', '', content, function(e) {
|
||||
$(this).addClass('selected');
|
||||
$(this).siblings().removeClass('selected');
|
||||
e.data.siblings('.content').addClass('hidden');
|
||||
e.data.removeClass('hidden');
|
||||
});
|
||||
blockSwitch.append(item);
|
||||
return {'item': item, 'content': content};
|
||||
}
|
||||
|
||||
$(addBlockSwitches);
|
||||
</script>
|
||||
|
||||
</head>
|
||||
<body class="book toc2 toc-left">
|
||||
<div id="header">
|
||||
<h1>Spring Cloud Consul</h1>
|
||||
<div id="toc" class="toc2">
|
||||
<div id="toctitle">Table of Contents</div>
|
||||
<ul class="sectlevel1">
|
||||
<li><a href="#spring-cloud-consul-install">Install Consul</a></li>
|
||||
<li><a href="#spring-cloud-consul-agent">Consul Agent</a></li>
|
||||
<li><a href="#spring-cloud-consul-discovery">Service Discovery with Consul</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_how_to_activate">How to activate</a></li>
|
||||
<li><a href="#_registering_with_consul">Registering with Consul</a></li>
|
||||
<li><a href="#_http_health_check">HTTP Health Check</a></li>
|
||||
<li><a href="#_looking_up_services">Looking up services</a></li>
|
||||
<li><a href="#_consul_catalog_watch">Consul Catalog Watch</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#spring-cloud-consul-config">Distributed Configuration with Consul</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_how_to_activate_2">How to activate</a></li>
|
||||
<li><a href="#_customizing">Customizing</a></li>
|
||||
<li><a href="#spring-cloud-consul-config-watch">Config Watch</a></li>
|
||||
<li><a href="#spring-cloud-consul-config-format">YAML or Properties with Config</a></li>
|
||||
<li><a href="#spring-cloud-consul-config-git2consul">git2consul with Config</a></li>
|
||||
<li><a href="#spring-cloud-consul-failfast">Fail Fast</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#spring-cloud-consul-retry">Consul Retry</a></li>
|
||||
<li><a href="#spring-cloud-consul-bus">Spring Cloud Bus with Consul</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_how_to_activate_3">How to activate</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#spring-cloud-consul-hystrix">Circuit Breaker with Hystrix</a></li>
|
||||
<li><a href="#spring-cloud-consul-turbine">Hystrix metrics aggregation with Turbine and Consul</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div id="content">
|
||||
<div id="preamble">
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p><strong>2.2.0.M2</strong></p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This project provides Consul integrations for Spring Boot apps through autoconfiguration
|
||||
and binding to the Spring Environment and other Spring programming model idioms. With a few
|
||||
simple annotations you can quickly enable and configure the common patterns inside your
|
||||
application and build large distributed systems with Consul based components. The
|
||||
patterns provided include Service Discovery, Control Bus and Configuration.
|
||||
Intelligent Routing (Zuul) and Client Side Load Balancing (Ribbon), Circuit Breaker
|
||||
(Hystrix) are provided by integration with Spring Cloud Netflix.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-install"><a class="link" href="#spring-cloud-consul-install">Install Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Please see the <a href="https://www.consul.io/intro/getting-started/install.html">installation documentation</a> for instructions on how to install Consul.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-agent"><a class="link" href="#spring-cloud-consul-agent">Consul Agent</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>A Consul Agent client must be available to all Spring Cloud Consul applications. By default, the Agent client is expected to be at <code>localhost:8500</code>. See the <a href="https://consul.io/docs/agent/basics.html">Agent documentation</a> for specifics on how to start an Agent client and how to connect to a cluster of Consul Agent Servers. For development, after you have installed consul, you may start a Consul Agent using the following command:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>./src/main/bash/local_run_consul.sh</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This will start an agent in server mode on port 8500, with the ui available at <a href="http://localhost:8500" class="bare">http://localhost:8500</a></p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-discovery"><a class="link" href="#spring-cloud-consul-discovery">Service Discovery with Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Service Discovery is one of the key tenets of a microservice based architecture. Trying to hand configure each client or some form of convention can be very difficult to do and can be very brittle. Consul provides Service Discovery services via an <a href="https://www.consul.io/docs/agent/http.html">HTTP API</a> and <a href="https://www.consul.io/docs/agent/dns.html">DNS</a>. Spring Cloud Consul leverages the HTTP API for service registration and discovery. This does not prevent non-Spring Cloud applications from leveraging the DNS interface. Consul Agents servers are run in a <a href="https://www.consul.io/docs/internals/architecture.html">cluster</a> that communicates via a <a href="https://www.consul.io/docs/internals/gossip.html">gossip protocol</a> and uses the <a href="https://www.consul.io/docs/internals/consensus.html">Raft consensus protocol</a>.</p>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_how_to_activate"><a class="link" href="#_how_to_activate">How to activate</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To activate Consul Service Discovery use the starter with group <code>org.springframework.cloud</code> and artifact id <code>spring-cloud-starter-consul-discovery</code>. See the <a href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</a> for details on setting up your build system with the current Spring Cloud Release Train.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_registering_with_consul"><a class="link" href="#_registering_with_consul">Registering with Consul</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>When a client registers with Consul, it provides meta-data about itself such as host and port, id, name and tags. An HTTP <a href="https://www.consul.io/docs/agent/checks.html">Check</a> is created by default that Consul hits the <code>/health</code> endpoint every 10 seconds. If the health check fails, the service instance is marked as critical.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Example Consul client:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">@SpringBootApplication
|
||||
@RestController
|
||||
public class Application {
|
||||
|
||||
@RequestMapping("/")
|
||||
public String home() {
|
||||
return "Hello world";
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
new SpringApplicationBuilder(Application.class).web(true).run(args);
|
||||
}
|
||||
|
||||
}</code></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>(i.e. utterly normal Spring Boot app). If the Consul client is located somewhere other than <code>localhost:8500</code>, the configuration is required to locate the client. Example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
host: localhost
|
||||
port: 8500</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="admonitionblock caution">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-caution" title="Caution"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
If you use <a href="#spring-cloud-consul-config">Spring Cloud Consul Config</a>, the above values will need to be placed in <code>bootstrap.yml</code> instead of <code>application.yml</code>.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The default service name, instance id and port, taken from the <code>Environment</code>, are <code>${spring.application.name}</code>, the Spring Context ID and <code>${server.port}</code> respectively.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the Consul Discovery Client you can set <code>spring.cloud.consul.discovery.enabled</code> to <code>false</code>. Consul Discovery Client will also be disabled when <code>spring.cloud.discovery.enabled</code> is set to <code>false</code>.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the service registration you can set <code>spring.cloud.consul.discovery.register</code> to <code>false</code>.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_registering_management_as_a_separate_service"><a class="link" href="#_registering_management_as_a_separate_service">Registering Management as a Separate Service</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>When management server port is set to something different than the application port, by setting <code>management.server.port</code> property, management service will be registered as a separate service than the application service. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
application:
|
||||
name: myApp
|
||||
management:
|
||||
server:
|
||||
port: 4452</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Above configuration will register following 2 services:</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Application Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: myApp
|
||||
Name: myApp</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Management Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: myApp-management
|
||||
Name: myApp-management</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Management service will inherit its <code>instanceId</code> and <code>serviceName</code> from the application service. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
application:
|
||||
name: myApp
|
||||
management:
|
||||
server:
|
||||
port: 4452
|
||||
spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
instance-id: custom-service-id
|
||||
serviceName: myprefix-${spring.application.name}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Above configuration will register following 2 services:</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Application Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: custom-service-id
|
||||
Name: myprefix-myApp</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Management Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: custom-service-id-management
|
||||
Name: myprefix-myApp-management</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Further customization is possible via following properties:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>/** Port to register the management service under (defaults to management port) */
|
||||
spring.cloud.consul.discovery.management-port
|
||||
|
||||
/** Suffix to use when registering management service (defaults to "management" */
|
||||
spring.cloud.consul.discovery.management-suffix
|
||||
|
||||
/** Tags to use when registering management service (defaults to "management" */
|
||||
spring.cloud.consul.discovery.management-tags</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_http_health_check"><a class="link" href="#_http_health_check">HTTP Health Check</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The health check for a Consul instance defaults to "/health", which is the default locations of a useful endpoint in a Spring Boot Actuator application. You need to change these, even for an Actuator application if you use a non-default context path or servlet path (e.g. <code>server.servletPath=/foo</code>) or management endpoint path (e.g. <code>management.server.servlet.context-path=/admin</code>). The interval that Consul uses to check the health endpoint may also be configured. "10s" and "1m" represent 10 seconds and 1 minute respectively. Example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
healthCheckPath: ${management.server.servlet.context-path}/health
|
||||
healthCheckInterval: 15s</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>You can disable the health check by setting <code>management.health.consul.enabled=false</code>.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_metadata_and_consul_tags"><a class="link" href="#_metadata_and_consul_tags">Metadata and Consul tags</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Consul does not yet support metadata on services. Spring Cloud’s <code>ServiceInstance</code> has a <code>Map<String, String> metadata</code> field. Spring Cloud Consul uses Consul tags to approximate metadata until Consul officially supports metadata. Tags with the form <code>key=value</code> will be split and used as a <code>Map</code> key and value respectively. Tags without the equal <code>=</code> sign, will be used as both the key and value.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
tags: foo=bar, baz</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The above configuration will result in a map with <code>foo→bar</code> and <code>baz→baz</code>.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_making_the_consul_instance_id_unique"><a class="link" href="#_making_the_consul_instance_id_unique">Making the Consul Instance ID Unique</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>By default a consul instance is registered with an ID that is equal to its Spring Application Context ID. By default, the Spring Application Context ID is <code>${spring.application.name}:comma,separated,profiles:${server.port}</code>. For most cases, this will allow multiple instances of one service to run on one machine. If further uniqueness is required, Using Spring Cloud you can override this by providing a unique identifier in <code>spring.cloud.consul.discovery.instanceId</code>. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
instanceId: ${spring.application.name}:${vcap.application.instance_id:${spring.application.instance_id:${random.value}}}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>With this metadata, and multiple service instances deployed on localhost, the random value will kick in there to make the instance unique. In Cloudfoundry the <code>vcap.application.instance_id</code> will be populated automatically in a Spring Boot application, so the random value will not be needed.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_applying_headers_to_health_check_requests"><a class="link" href="#_applying_headers_to_health_check_requests">Applying Headers to Health Check Requests</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Headers can be applied to health check requests. For example, if you’re trying to register a <a href="https://cloud.spring.io/spring-cloud-config/">Spring Cloud Config</a> server that uses <a href="https://github.com/spring-cloud/spring-cloud-config/blob/master/docs/src/main/asciidoc/spring-cloud-config.adoc#vault-backend">Vault Backend</a>:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
health-check-headers:
|
||||
X-Config-Token: 6442e58b-d1ea-182e-cfa5-cf9cddef0722</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>According to the HTTP standard, each header can have more than one values, in which case, an array can be supplied:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
health-check-headers:
|
||||
X-Config-Token:
|
||||
- "6442e58b-d1ea-182e-cfa5-cf9cddef0722"
|
||||
- "Some other value"</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_looking_up_services"><a class="link" href="#_looking_up_services">Looking up services</a></h3>
|
||||
<div class="sect3">
|
||||
<h4 id="_using_ribbon"><a class="link" href="#_using_ribbon">Using Ribbon</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud has support for <a href="https://github.com/spring-cloud/spring-cloud-netflix/blob/master/docs/src/main/asciidoc/spring-cloud-netflix.adoc#spring-cloud-feign">Feign</a> (a REST client builder) and also <a href="https://github.com/spring-cloud/spring-cloud-netflix/blob/master/docs/src/main/asciidoc/spring-cloud-netflix.adoc#spring-cloud-ribbon">Spring <code>RestTemplate</code></a>
|
||||
for looking up services using the logical service names/ids instead of physical URLs. Both Feign and the discovery-aware RestTemplate utilize <a href="https://cloud.spring.io/spring-cloud-netflix/single/spring-cloud-netflix.html#spring-cloud-ribbon">Ribbon</a> for client-side load balancing.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>If you want to access service STORES using the RestTemplate simply declare:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>@LoadBalanced
|
||||
@Bean
|
||||
public RestTemplate loadbalancedRestTemplate() {
|
||||
return new RestTemplate();
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>and use it like this (notice how we use the STORES service name/id from Consul instead of a fully qualified domainname):</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>@Autowired
|
||||
RestTemplate restTemplate;
|
||||
|
||||
public String getFirstProduct() {
|
||||
return this.restTemplate.getForObject("https://STORES/products/1", String.class);
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>If you have Consul clusters in multiple datacenters and you want to access a service in another datacenter a service name/id alone is not enough. In that case
|
||||
you use property <code>spring.cloud.consul.discovery.datacenters.STORES=dc-west</code> where <code>STORES</code> is the service name/id and <code>dc-west</code> is the datacenter
|
||||
where the STORES service lives.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_using_the_discoveryclient"><a class="link" href="#_using_the_discoveryclient">Using the DiscoveryClient</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>You can also use the <code>org.springframework.cloud.client.discovery.DiscoveryClient</code> which provides a simple API for discovery clients that is not specific to Netflix, e.g.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>@Autowired
|
||||
private DiscoveryClient discoveryClient;
|
||||
|
||||
public String serviceUrl() {
|
||||
List<ServiceInstance> list = discoveryClient.getInstances("STORES");
|
||||
if (list != null && list.size() > 0 ) {
|
||||
return list.get(0).getUri();
|
||||
}
|
||||
return null;
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_consul_catalog_watch"><a class="link" href="#_consul_catalog_watch">Consul Catalog Watch</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The Consul Catalog Watch takes advantage of the ability of consul to <a href="https://www.consul.io/docs/agent/watches.html#services">watch services</a>. The Catalog Watch makes a blocking Consul HTTP API call to determine if any services have changed. If there is new service data a Heartbeat Event is published.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To change the frequency of when the Config Watch is called change <code>spring.cloud.consul.config.discovery.catalog-services-watch-delay</code>. The default value is 1000, which is in milliseconds. The delay is the amount of time after the end of the previous invocation and the start of the next.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the Catalog Watch set <code>spring.cloud.consul.discovery.catalogServicesWatch.enabled=false</code>.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The watch uses a Spring <code>TaskScheduler</code> to schedule the call to consul. By default it is a <code>ThreadPoolTaskScheduler</code> with a <code>poolSize</code> of 1. To change the <code>TaskScheduler</code>, create a bean of type <code>TaskScheduler</code> named with the <code>ConsulDiscoveryClientConfiguration.CATALOG_WATCH_TASK_SCHEDULER_NAME</code> constant.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-config"><a class="link" href="#spring-cloud-consul-config">Distributed Configuration with Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Consul provides a <a href="https://consul.io/docs/agent/http/kv.html">Key/Value Store</a> for storing configuration and other metadata. Spring Cloud Consul Config is an alternative to the <a href="https://github.com/spring-cloud/spring-cloud-config">Config Server and Client</a>. Configuration is loaded into the Spring Environment during the special "bootstrap" phase. Configuration is stored in the <code>/config</code> folder by default. Multiple <code>PropertySource</code> instances are created based on the application’s name and the active profiles that mimicks the Spring Cloud Config order of resolving properties. For example, an application with the name "testApp" and with the "dev" profile will have the following property sources created:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>config/testApp,dev/
|
||||
config/testApp/
|
||||
config/application,dev/
|
||||
config/application/</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The most specific property source is at the top, with the least specific at the bottom. Properties in the <code>config/application</code> folder are applicable to all applications using consul for configuration. Properties in the <code>config/testApp</code> folder are only available to the instances of the service named "testApp".</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Configuration is currently read on startup of the application. Sending a HTTP POST to <code>/refresh</code> will cause the configuration to be reloaded. <a href="#spring-cloud-consul-config-watch">Config Watch</a> will also automatically detect changes and reload the application context.</p>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_how_to_activate_2"><a class="link" href="#_how_to_activate_2">How to activate</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To get started with Consul Configuration use the starter with group <code>org.springframework.cloud</code> and artifact id <code>spring-cloud-starter-consul-config</code>. See the <a href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</a> for details on setting up your build system with the current Spring Cloud Release Train.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This will enable auto-configuration that will setup Spring Cloud Consul Config.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_customizing"><a class="link" href="#_customizing">Customizing</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>Consul Config may be customized using the following properties:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">bootstrap.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
config:
|
||||
enabled: true
|
||||
prefix: configuration
|
||||
defaultContext: apps
|
||||
profileSeparator: '::'</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p><code>enabled</code> setting this value to "false" disables Consul Config</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>prefix</code> sets the base folder for configuration values</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>defaultContext</code> sets the folder name used by all applications</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>profileSeparator</code> sets the value of the separator used to separate the profile name in property sources with profiles</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-config-watch"><a class="link" href="#spring-cloud-consul-config-watch">Config Watch</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The Consul Config Watch takes advantage of the ability of consul to <a href="https://www.consul.io/docs/agent/watches.html#keyprefix">watch a key prefix</a>. The Config Watch makes a blocking Consul HTTP API call to determine if any relevant configuration data has changed for the current application. If there is new configuration data a Refresh Event is published. This is equivalent to calling the <code>/refresh</code> actuator endpoint.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To change the frequency of when the Config Watch is called change <code>spring.cloud.consul.config.watch.delay</code>. The default value is 1000, which is in milliseconds. The delay is the amount of time after the end of the previous invocation and the start of the next.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the Config Watch set <code>spring.cloud.consul.config.watch.enabled=false</code>.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The watch uses a Spring <code>TaskScheduler</code> to schedule the call to consul. By default it is a <code>ThreadPoolTaskScheduler</code> with a <code>poolSize</code> of 1. To change the <code>TaskScheduler</code>, create a bean of type <code>TaskScheduler</code> named with the <code>ConsulConfigAutoConfiguration.CONFIG_WATCH_TASK_SCHEDULER_NAME</code> constant.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-config-format"><a class="link" href="#spring-cloud-consul-config-format">YAML or Properties with Config</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>It may be more convenient to store a blob of properties in YAML or Properties format as opposed to individual key/value pairs. Set the <code>spring.cloud.consul.config.format</code> property to <code>YAML</code> or <code>PROPERTIES</code>. For example to use YAML:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">bootstrap.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
config:
|
||||
format: YAML</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>YAML must be set in the appropriate <code>data</code> key in consul. Using the defaults above the keys would look like:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>config/testApp,dev/data
|
||||
config/testApp/data
|
||||
config/application,dev/data
|
||||
config/application/data</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>You could store a YAML document in any of the keys listed above.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>You can change the data key using <code>spring.cloud.consul.config.data-key</code>.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-config-git2consul"><a class="link" href="#spring-cloud-consul-config-git2consul">git2consul with Config</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>git2consul is a Consul community project that loads files from a git repository to individual keys into Consul. By default the names of the keys are names of the files. YAML and Properties files are supported with file extensions of <code>.yml</code> and <code>.properties</code> respectively. Set the <code>spring.cloud.consul.config.format</code> property to <code>FILES</code>. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">bootstrap.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
config:
|
||||
format: FILES</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Given the following keys in <code>/config</code>, the <code>development</code> profile and an application name of <code>foo</code>:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>.gitignore
|
||||
application.yml
|
||||
bar.properties
|
||||
foo-development.properties
|
||||
foo-production.yml
|
||||
foo.properties
|
||||
master.ref</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>the following property sources would be created:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>config/foo-development.properties
|
||||
config/foo.properties
|
||||
config/application.yml</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The value of each key needs to be a properly formatted YAML or Properties file.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-failfast"><a class="link" href="#spring-cloud-consul-failfast">Fail Fast</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>It may be convenient in certain circumstances (like local development or certain test scenarios) to not fail if consul isn’t available for configuration. Setting <code>spring.cloud.consul.config.failFast=false</code> in <code>bootstrap.yml</code> will cause the configuration module to log a warning rather than throw an exception. This will allow the application to continue startup normally.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-retry"><a class="link" href="#spring-cloud-consul-retry">Consul Retry</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>If you expect that the consul agent may occasionally be unavailable when
|
||||
your app starts, you can ask it to keep trying after a failure. You need to add
|
||||
<code>spring-retry</code> and <code>spring-boot-starter-aop</code> to your classpath. The default
|
||||
behaviour is to retry 6 times with an initial backoff interval of 1000ms and an
|
||||
exponential multiplier of 1.1 for subsequent backoffs. You can configure these
|
||||
properties (and others) using <code>spring.cloud.consul.retry.*</code> configuration properties.
|
||||
This works with both Spring Cloud Consul Config and Discovery registration.</p>
|
||||
</div>
|
||||
<div class="admonitionblock tip">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-tip" title="Tip"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
To take full control of the retry add a <code>@Bean</code> of type
|
||||
<code>RetryOperationsInterceptor</code> with id "consulRetryInterceptor". Spring
|
||||
Retry has a <code>RetryInterceptorBuilder</code> that makes it easy to create one.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-bus"><a class="link" href="#spring-cloud-consul-bus">Spring Cloud Bus with Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="sect2">
|
||||
<h3 id="_how_to_activate_3"><a class="link" href="#_how_to_activate_3">How to activate</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To get started with the Consul Bus use the starter with group <code>org.springframework.cloud</code> and artifact id <code>spring-cloud-starter-consul-bus</code>. See the <a href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</a> for details on setting up your build system with the current Spring Cloud Release Train.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>See the <a href="https://cloud.spring.io/spring-cloud-bus/">Spring Cloud Bus</a> documentation for the available actuator endpoints and howto send custom messages.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-hystrix"><a class="link" href="#spring-cloud-consul-hystrix">Circuit Breaker with Hystrix</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Applications can use the Hystrix Circuit Breaker provided by the Spring Cloud Netflix project by including this starter in the projects pom.xml: <code>spring-cloud-starter-hystrix</code>. Hystrix doesn’t depend on the Netflix Discovery Client. The <code>@EnableHystrix</code> annotation should be placed on a configuration class (usually the main class). Then methods can be annotated with <code>@HystrixCommand</code> to be protected by a circuit breaker. See <a href="https://projects.spring.io/spring-cloud/spring-cloud.html#_circuit_breaker_hystrix_clients">the documentation</a> for more details.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-turbine"><a class="link" href="#spring-cloud-consul-turbine">Hystrix metrics aggregation with Turbine and Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Turbine (provided by the Spring Cloud Netflix project), aggregates multiple instances Hystrix metrics streams, so the dashboard can display an aggregate view. Turbine uses the <code>DiscoveryClient</code> interface to lookup relevant instances. To use Turbine with Spring Cloud Consul, configure the Turbine application in a manner similar to the following examples:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">pom.xml</div>
|
||||
<div class="content">
|
||||
<pre><dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-netflix-turbine</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-consul-discovery</artifactId>
|
||||
</dependency></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Notice that the Turbine dependency is not a starter. The turbine starter includes support for Netflix Eureka.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring.application.name: turbine
|
||||
applications: consulhystrixclient
|
||||
turbine:
|
||||
aggregator:
|
||||
clusterConfig: ${applications}
|
||||
appConfig: ${applications}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The <code>clusterConfig</code> and <code>appConfig</code> sections must match, so it’s useful to put the comma-separated list of service ID’s into a separate configuration property.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">Turbine.java</div>
|
||||
<div class="content">
|
||||
<pre>@EnableTurbine
|
||||
@SpringBootApplication
|
||||
public class Turbine {
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(DemoturbinecommonsApplication.class, args);
|
||||
}
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
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<script type="text/javascript" src="js/toc.js"></script>
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<script src="js/highlight/highlight.min.js"></script>
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||||
<script>hljs.initHighlighting()</script>
|
||||
</body>
|
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</html>
|
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117
spring-cloud-consul/2.2.0.M2/reference/html/intro.html
Normal file
117
spring-cloud-consul/2.2.0.M2/reference/html/intro.html
Normal file
@@ -0,0 +1,117 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
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||||
<meta name="generator" content="Asciidoctor 1.5.7.1">
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||||
<title>Untitled</title>
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||||
<link rel="stylesheet" href="css/spring.css">
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<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
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||||
|
||||
<style>
|
||||
.hidden {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.switch {
|
||||
border-width: 1px 1px 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
||||
display: inline-block;
|
||||
}
|
||||
|
||||
.switch--item {
|
||||
padding: 10px;
|
||||
background-color: #ffffff;
|
||||
color: #7a2518;
|
||||
display: inline-block;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.switch--item:not(:first-child) {
|
||||
border-width: 0 0 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
||||
}
|
||||
|
||||
.switch--item.selected {
|
||||
background-color: #7a2519;
|
||||
color: #ffffff;
|
||||
}
|
||||
</style>
|
||||
<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
|
||||
<script type="text/javascript">
|
||||
function addBlockSwitches() {
|
||||
$('.primary').each(function() {
|
||||
primary = $(this);
|
||||
createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
|
||||
primary.children('.title').remove();
|
||||
});
|
||||
$('.secondary').each(function(idx, node) {
|
||||
secondary = $(node);
|
||||
primary = findPrimary(secondary);
|
||||
switchItem = createSwitchItem(secondary, primary.children('.switch'));
|
||||
switchItem.content.addClass('hidden');
|
||||
findPrimary(secondary).append(switchItem.content);
|
||||
secondary.remove();
|
||||
});
|
||||
}
|
||||
|
||||
function createBlockSwitch(primary) {
|
||||
blockSwitch = $('<div class="switch"></div>');
|
||||
primary.prepend(blockSwitch);
|
||||
return blockSwitch;
|
||||
}
|
||||
|
||||
function findPrimary(secondary) {
|
||||
candidate = secondary.prev();
|
||||
while (!candidate.is('.primary')) {
|
||||
candidate = candidate.prev();
|
||||
}
|
||||
return candidate;
|
||||
}
|
||||
|
||||
function createSwitchItem(block, blockSwitch) {
|
||||
blockName = block.children('.title').text();
|
||||
content = block.children('.content').first().append(block.next('.colist'));
|
||||
item = $('<div class="switch--item">' + blockName + '</div>');
|
||||
item.on('click', '', content, function(e) {
|
||||
$(this).addClass('selected');
|
||||
$(this).siblings().removeClass('selected');
|
||||
e.data.siblings('.content').addClass('hidden');
|
||||
e.data.removeClass('hidden');
|
||||
});
|
||||
blockSwitch.append(item);
|
||||
return {'item': item, 'content': content};
|
||||
}
|
||||
|
||||
$(addBlockSwitches);
|
||||
</script>
|
||||
|
||||
</head>
|
||||
<body class="book">
|
||||
<div id="header">
|
||||
</div>
|
||||
<div id="content">
|
||||
<div id="preamble">
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>This project provides Consul integrations for Spring Boot apps through autoconfiguration
|
||||
and binding to the Spring Environment and other Spring programming model idioms. With a few
|
||||
simple annotations you can quickly enable and configure the common patterns inside your
|
||||
application and build large distributed systems with Consul based components. The
|
||||
patterns provided include Service Discovery, Control Bus and Configuration.
|
||||
Intelligent Routing (Zuul) and Client Side Load Balancing (Ribbon), Circuit Breaker
|
||||
(Hystrix) are provided by integration with Spring Cloud Netflix.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
|
||||
<script type="text/javascript" src="js/toc.js"></script>
|
||||
<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
|
||||
<script src="js/highlight/highlight.min.js"></script>
|
||||
<script>hljs.initHighlighting()</script>
|
||||
</body>
|
||||
</html>
|
||||
2
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/highlight.min.js
vendored
Normal file
2
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/highlight.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
99
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/a11y-dark.min.css
vendored
Normal file
99
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/a11y-dark.min.css
vendored
Normal file
@@ -0,0 +1,99 @@
|
||||
/* a11y-dark theme */
|
||||
/* Based on the Tomorrow Night Eighties theme: https://github.com/isagalaev/highlight.js/blob/master/src/styles/tomorrow-night-eighties.css */
|
||||
/* @author: ericwbailey */
|
||||
|
||||
/* Comment */
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #d4d0ab;
|
||||
}
|
||||
|
||||
/* Red */
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-tag,
|
||||
.hljs-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class,
|
||||
.hljs-regexp,
|
||||
.hljs-deletion {
|
||||
color: #ffa07a;
|
||||
}
|
||||
|
||||
/* Orange */
|
||||
.hljs-number,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-literal,
|
||||
.hljs-type,
|
||||
.hljs-params,
|
||||
.hljs-meta,
|
||||
.hljs-link {
|
||||
color: #f5ab35;
|
||||
}
|
||||
|
||||
/* Yellow */
|
||||
.hljs-attribute {
|
||||
color: #ffd700;
|
||||
}
|
||||
|
||||
/* Green */
|
||||
.hljs-string,
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-addition {
|
||||
color: #abe338;
|
||||
}
|
||||
|
||||
/* Blue */
|
||||
.hljs-title,
|
||||
.hljs-section {
|
||||
color: #00e0e0;
|
||||
}
|
||||
|
||||
/* Purple */
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag {
|
||||
color: #dcc6e0;
|
||||
}
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
background: #2b2b2b;
|
||||
color: #f8f8f2;
|
||||
padding: 0.5em;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
@media screen and (-ms-high-contrast: active) {
|
||||
.hljs-addition,
|
||||
.hljs-attribute,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-bullet,
|
||||
.hljs-comment,
|
||||
.hljs-link,
|
||||
.hljs-literal,
|
||||
.hljs-meta,
|
||||
.hljs-number,
|
||||
.hljs-params,
|
||||
.hljs-string,
|
||||
.hljs-symbol,
|
||||
.hljs-type,
|
||||
.hljs-quote {
|
||||
color: highlight;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag {
|
||||
font-weight: bold;
|
||||
}
|
||||
}
|
||||
89
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/an-old-hope.min.css
vendored
Normal file
89
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/an-old-hope.min.css
vendored
Normal file
@@ -0,0 +1,89 @@
|
||||
/*
|
||||
|
||||
An Old Hope – Star Wars Syntax (c) Gustavo Costa <gusbemacbe@gmail.com>
|
||||
Original theme - Ocean Dark Theme – by https://github.com/gavsiu
|
||||
Based on Jesse Leite's Atom syntax theme 'An Old Hope' – https://github.com/JesseLeite/an-old-hope-syntax-atom
|
||||
|
||||
*/
|
||||
|
||||
/* Death Star Comment */
|
||||
.hljs-comment,
|
||||
.hljs-quote
|
||||
{
|
||||
color: #B6B18B;
|
||||
}
|
||||
|
||||
/* Darth Vader */
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-tag,
|
||||
.hljs-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class,
|
||||
.hljs-regexp,
|
||||
.hljs-deletion
|
||||
{
|
||||
color: #EB3C54;
|
||||
}
|
||||
|
||||
/* Threepio */
|
||||
.hljs-number,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-literal,
|
||||
.hljs-type,
|
||||
.hljs-params,
|
||||
.hljs-meta,
|
||||
.hljs-link
|
||||
{
|
||||
color: #E7CE56;
|
||||
}
|
||||
|
||||
/* Luke Skywalker */
|
||||
.hljs-attribute
|
||||
{
|
||||
color: #EE7C2B;
|
||||
}
|
||||
|
||||
/* Obi Wan Kenobi */
|
||||
.hljs-string,
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-addition
|
||||
{
|
||||
color: #4FB4D7;
|
||||
}
|
||||
|
||||
/* Yoda */
|
||||
.hljs-title,
|
||||
.hljs-section
|
||||
{
|
||||
color: #78BB65;
|
||||
}
|
||||
|
||||
/* Mace Windu */
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag
|
||||
{
|
||||
color: #B45EA4;
|
||||
}
|
||||
|
||||
/* Millenium Falcon */
|
||||
.hljs
|
||||
{
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
background: #1C1D21;
|
||||
color: #c0c5ce;
|
||||
padding: 0.5em;
|
||||
}
|
||||
|
||||
.hljs-emphasis
|
||||
{
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong
|
||||
{
|
||||
font-weight: bold;
|
||||
}
|
||||
77
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/atom-one-dark-reasonable.min.css
vendored
Normal file
77
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/atom-one-dark-reasonable.min.css
vendored
Normal file
@@ -0,0 +1,77 @@
|
||||
/*
|
||||
|
||||
Atom One Dark With support for ReasonML by Gidi Morris, based off work by Daniel Gamage
|
||||
|
||||
Original One Dark Syntax theme from https://github.com/atom/one-dark-syntax
|
||||
|
||||
*/
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
line-height: 1.3em;
|
||||
color: #abb2bf;
|
||||
background: #282c34;
|
||||
border-radius: 5px;
|
||||
}
|
||||
.hljs-keyword, .hljs-operator {
|
||||
color: #F92672;
|
||||
}
|
||||
.hljs-pattern-match {
|
||||
color: #F92672;
|
||||
}
|
||||
.hljs-pattern-match .hljs-constructor {
|
||||
color: #61aeee;
|
||||
}
|
||||
.hljs-function {
|
||||
color: #61aeee;
|
||||
}
|
||||
.hljs-function .hljs-params {
|
||||
color: #A6E22E;
|
||||
}
|
||||
.hljs-function .hljs-params .hljs-typing {
|
||||
color: #FD971F;
|
||||
}
|
||||
.hljs-module-access .hljs-module {
|
||||
color: #7e57c2;
|
||||
}
|
||||
.hljs-constructor {
|
||||
color: #e2b93d;
|
||||
}
|
||||
.hljs-constructor .hljs-string {
|
||||
color: #9CCC65;
|
||||
}
|
||||
.hljs-comment, .hljs-quote {
|
||||
color: #b18eb1;
|
||||
font-style: italic;
|
||||
}
|
||||
.hljs-doctag, .hljs-formula {
|
||||
color: #c678dd;
|
||||
}
|
||||
.hljs-section, .hljs-name, .hljs-selector-tag, .hljs-deletion, .hljs-subst {
|
||||
color: #e06c75;
|
||||
}
|
||||
.hljs-literal {
|
||||
color: #56b6c2;
|
||||
}
|
||||
.hljs-string, .hljs-regexp, .hljs-addition, .hljs-attribute, .hljs-meta-string {
|
||||
color: #98c379;
|
||||
}
|
||||
.hljs-built_in, .hljs-class .hljs-title {
|
||||
color: #e6c07b;
|
||||
}
|
||||
.hljs-attr, .hljs-variable, .hljs-template-variable, .hljs-type, .hljs-selector-class, .hljs-selector-attr, .hljs-selector-pseudo, .hljs-number {
|
||||
color: #d19a66;
|
||||
}
|
||||
.hljs-symbol, .hljs-bullet, .hljs-link, .hljs-meta, .hljs-selector-id, .hljs-title {
|
||||
color: #61aeee;
|
||||
}
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
.hljs-link {
|
||||
text-decoration: underline;
|
||||
}
|
||||
96
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/atom-one-dark.min.css
vendored
Normal file
96
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/atom-one-dark.min.css
vendored
Normal file
@@ -0,0 +1,96 @@
|
||||
/*
|
||||
|
||||
Atom One Dark by Daniel Gamage
|
||||
Original One Dark Syntax theme from https://github.com/atom/one-dark-syntax
|
||||
|
||||
base: #282c34
|
||||
mono-1: #abb2bf
|
||||
mono-2: #818896
|
||||
mono-3: #5c6370
|
||||
hue-1: #56b6c2
|
||||
hue-2: #61aeee
|
||||
hue-3: #c678dd
|
||||
hue-4: #98c379
|
||||
hue-5: #e06c75
|
||||
hue-5-2: #be5046
|
||||
hue-6: #d19a66
|
||||
hue-6-2: #e6c07b
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
color: #abb2bf;
|
||||
background: #282c34;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #5c6370;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-doctag,
|
||||
.hljs-keyword,
|
||||
.hljs-formula {
|
||||
color: #c678dd;
|
||||
}
|
||||
|
||||
.hljs-section,
|
||||
.hljs-name,
|
||||
.hljs-selector-tag,
|
||||
.hljs-deletion,
|
||||
.hljs-subst {
|
||||
color: #e06c75;
|
||||
}
|
||||
|
||||
.hljs-literal {
|
||||
color: #56b6c2;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-regexp,
|
||||
.hljs-addition,
|
||||
.hljs-attribute,
|
||||
.hljs-meta-string {
|
||||
color: #98c379;
|
||||
}
|
||||
|
||||
.hljs-built_in,
|
||||
.hljs-class .hljs-title {
|
||||
color: #e6c07b;
|
||||
}
|
||||
|
||||
.hljs-attr,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-type,
|
||||
.hljs-selector-class,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-number {
|
||||
color: #d19a66;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link,
|
||||
.hljs-meta,
|
||||
.hljs-selector-id,
|
||||
.hljs-title {
|
||||
color: #61aeee;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-link {
|
||||
text-decoration: underline;
|
||||
}
|
||||
96
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/atom-one-light.min.css
vendored
Normal file
96
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/atom-one-light.min.css
vendored
Normal file
@@ -0,0 +1,96 @@
|
||||
/*
|
||||
|
||||
Atom One Light by Daniel Gamage
|
||||
Original One Light Syntax theme from https://github.com/atom/one-light-syntax
|
||||
|
||||
base: #fafafa
|
||||
mono-1: #383a42
|
||||
mono-2: #686b77
|
||||
mono-3: #a0a1a7
|
||||
hue-1: #0184bb
|
||||
hue-2: #4078f2
|
||||
hue-3: #a626a4
|
||||
hue-4: #50a14f
|
||||
hue-5: #e45649
|
||||
hue-5-2: #c91243
|
||||
hue-6: #986801
|
||||
hue-6-2: #c18401
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
color: #383a42;
|
||||
background: #fafafa;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #a0a1a7;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-doctag,
|
||||
.hljs-keyword,
|
||||
.hljs-formula {
|
||||
color: #a626a4;
|
||||
}
|
||||
|
||||
.hljs-section,
|
||||
.hljs-name,
|
||||
.hljs-selector-tag,
|
||||
.hljs-deletion,
|
||||
.hljs-subst {
|
||||
color: #e45649;
|
||||
}
|
||||
|
||||
.hljs-literal {
|
||||
color: #0184bb;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-regexp,
|
||||
.hljs-addition,
|
||||
.hljs-attribute,
|
||||
.hljs-meta-string {
|
||||
color: #50a14f;
|
||||
}
|
||||
|
||||
.hljs-built_in,
|
||||
.hljs-class .hljs-title {
|
||||
color: #c18401;
|
||||
}
|
||||
|
||||
.hljs-attr,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-type,
|
||||
.hljs-selector-class,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-number {
|
||||
color: #986801;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link,
|
||||
.hljs-meta,
|
||||
.hljs-selector-id,
|
||||
.hljs-title {
|
||||
color: #4078f2;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-link {
|
||||
text-decoration: underline;
|
||||
}
|
||||
76
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/dracula.min.css
vendored
Normal file
76
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/dracula.min.css
vendored
Normal file
@@ -0,0 +1,76 @@
|
||||
/*
|
||||
|
||||
Dracula Theme v1.2.0
|
||||
|
||||
https://github.com/zenorocha/dracula-theme
|
||||
|
||||
Copyright 2015, All rights reserved
|
||||
|
||||
Code licensed under the MIT license
|
||||
http://zenorocha.mit-license.org
|
||||
|
||||
@author Éverton Ribeiro <nuxlli@gmail.com>
|
||||
@author Zeno Rocha <hi@zenorocha.com>
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #282a36;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-section,
|
||||
.hljs-link {
|
||||
color: #8be9fd;
|
||||
}
|
||||
|
||||
.hljs-function .hljs-keyword {
|
||||
color: #ff79c6;
|
||||
}
|
||||
|
||||
.hljs,
|
||||
.hljs-subst {
|
||||
color: #f8f8f2;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-title,
|
||||
.hljs-name,
|
||||
.hljs-type,
|
||||
.hljs-attribute,
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-tag,
|
||||
.hljs-template-variable {
|
||||
color: #f1fa8c;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #6272a4;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-doctag,
|
||||
.hljs-type,
|
||||
.hljs-name,
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
99
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/github.min.css
vendored
Normal file
99
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/github.min.css
vendored
Normal file
@@ -0,0 +1,99 @@
|
||||
/*
|
||||
|
||||
github.com style (c) Vasily Polovnyov <vast@whiteants.net>
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
color: #333;
|
||||
background: #f8f8f8;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #998;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-subst {
|
||||
color: #333;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-number,
|
||||
.hljs-literal,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-tag .hljs-attr {
|
||||
color: #008080;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-doctag {
|
||||
color: #d14;
|
||||
}
|
||||
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-selector-id {
|
||||
color: #900;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-subst {
|
||||
font-weight: normal;
|
||||
}
|
||||
|
||||
.hljs-type,
|
||||
.hljs-class .hljs-title {
|
||||
color: #458;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-tag,
|
||||
.hljs-name,
|
||||
.hljs-attribute {
|
||||
color: #000080;
|
||||
font-weight: normal;
|
||||
}
|
||||
|
||||
.hljs-regexp,
|
||||
.hljs-link {
|
||||
color: #009926;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet {
|
||||
color: #990073;
|
||||
}
|
||||
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name {
|
||||
color: #0086b3;
|
||||
}
|
||||
|
||||
.hljs-meta {
|
||||
color: #999;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-deletion {
|
||||
background: #fdd;
|
||||
}
|
||||
|
||||
.hljs-addition {
|
||||
background: #dfd;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
83
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/monokai-sublime.min.css
vendored
Normal file
83
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/monokai-sublime.min.css
vendored
Normal file
@@ -0,0 +1,83 @@
|
||||
/*
|
||||
|
||||
Monokai Sublime style. Derived from Monokai by noformnocontent http://nn.mit-license.org/
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #23241f;
|
||||
}
|
||||
|
||||
.hljs,
|
||||
.hljs-tag,
|
||||
.hljs-subst {
|
||||
color: #f8f8f2;
|
||||
}
|
||||
|
||||
.hljs-strong,
|
||||
.hljs-emphasis {
|
||||
color: #a8a8a2;
|
||||
}
|
||||
|
||||
.hljs-bullet,
|
||||
.hljs-quote,
|
||||
.hljs-number,
|
||||
.hljs-regexp,
|
||||
.hljs-literal,
|
||||
.hljs-link {
|
||||
color: #ae81ff;
|
||||
}
|
||||
|
||||
.hljs-code,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-selector-class {
|
||||
color: #a6e22e;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-name,
|
||||
.hljs-attr {
|
||||
color: #f92672;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-attribute {
|
||||
color: #66d9ef;
|
||||
}
|
||||
|
||||
.hljs-params,
|
||||
.hljs-class .hljs-title {
|
||||
color: #f8f8f2;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-type,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable {
|
||||
color: #e6db74;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #75715e;
|
||||
}
|
||||
70
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/monokai.min.css
vendored
Normal file
70
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/monokai.min.css
vendored
Normal file
@@ -0,0 +1,70 @@
|
||||
/*
|
||||
Monokai style - ported by Luigi Maselli - http://grigio.org
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #272822; color: #ddd;
|
||||
}
|
||||
|
||||
.hljs-tag,
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-strong,
|
||||
.hljs-name {
|
||||
color: #f92672;
|
||||
}
|
||||
|
||||
.hljs-code {
|
||||
color: #66d9ef;
|
||||
}
|
||||
|
||||
.hljs-class .hljs-title {
|
||||
color: white;
|
||||
}
|
||||
|
||||
.hljs-attribute,
|
||||
.hljs-symbol,
|
||||
.hljs-regexp,
|
||||
.hljs-link {
|
||||
color: #bf79db;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-bullet,
|
||||
.hljs-subst,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-emphasis,
|
||||
.hljs-type,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-tag,
|
||||
.hljs-template-variable {
|
||||
color: #a6e22e;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #75715e;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-doctag,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-type,
|
||||
.hljs-selector-id {
|
||||
font-weight: bold;
|
||||
}
|
||||
84
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/solarized-light.min.css
vendored
Normal file
84
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/solarized-light.min.css
vendored
Normal file
@@ -0,0 +1,84 @@
|
||||
/*
|
||||
|
||||
Orginal Style from ethanschoonover.com/solarized (c) Jeremy Hull <sourdrums@gmail.com>
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #fdf6e3;
|
||||
color: #657b83;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #93a1a1;
|
||||
}
|
||||
|
||||
/* Solarized Green */
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-addition {
|
||||
color: #859900;
|
||||
}
|
||||
|
||||
/* Solarized Cyan */
|
||||
.hljs-number,
|
||||
.hljs-string,
|
||||
.hljs-meta .hljs-meta-string,
|
||||
.hljs-literal,
|
||||
.hljs-doctag,
|
||||
.hljs-regexp {
|
||||
color: #2aa198;
|
||||
}
|
||||
|
||||
/* Solarized Blue */
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class {
|
||||
color: #268bd2;
|
||||
}
|
||||
|
||||
/* Solarized Yellow */
|
||||
.hljs-attribute,
|
||||
.hljs-attr,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-class .hljs-title,
|
||||
.hljs-type {
|
||||
color: #b58900;
|
||||
}
|
||||
|
||||
/* Solarized Orange */
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-subst,
|
||||
.hljs-meta,
|
||||
.hljs-meta .hljs-keyword,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-link {
|
||||
color: #cb4b16;
|
||||
}
|
||||
|
||||
/* Solarized Red */
|
||||
.hljs-built_in,
|
||||
.hljs-deletion {
|
||||
color: #dc322f;
|
||||
}
|
||||
|
||||
.hljs-formula {
|
||||
background: #eee8d5;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
80
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/zenburn.min.css
vendored
Normal file
80
spring-cloud-consul/2.2.0.M2/reference/html/js/highlight/styles/zenburn.min.css
vendored
Normal file
@@ -0,0 +1,80 @@
|
||||
/*
|
||||
|
||||
Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
|
||||
based on dark.css by Ivan Sagalaev
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #3f3f3f;
|
||||
color: #dcdcdc;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-tag {
|
||||
color: #e3ceab;
|
||||
}
|
||||
|
||||
.hljs-template-tag {
|
||||
color: #dcdcdc;
|
||||
}
|
||||
|
||||
.hljs-number {
|
||||
color: #8cd0d3;
|
||||
}
|
||||
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-attribute {
|
||||
color: #efdcbc;
|
||||
}
|
||||
|
||||
.hljs-literal {
|
||||
color: #efefaf;
|
||||
}
|
||||
|
||||
.hljs-subst {
|
||||
color: #8f8f8f;
|
||||
}
|
||||
|
||||
.hljs-title,
|
||||
.hljs-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class,
|
||||
.hljs-section,
|
||||
.hljs-type {
|
||||
color: #efef8f;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link {
|
||||
color: #dca3a3;
|
||||
}
|
||||
|
||||
.hljs-deletion,
|
||||
.hljs-string,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name {
|
||||
color: #cc9393;
|
||||
}
|
||||
|
||||
.hljs-addition,
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-meta {
|
||||
color: #7f9f7f;
|
||||
}
|
||||
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
107
spring-cloud-consul/2.2.0.M2/reference/html/js/toc.js
Normal file
107
spring-cloud-consul/2.2.0.M2/reference/html/js/toc.js
Normal file
@@ -0,0 +1,107 @@
|
||||
var toctitle = document.getElementById('toctitle');
|
||||
var path = window.location.pathname;
|
||||
if (toctitle != null) {
|
||||
var oldtoc = toctitle.nextElementSibling;
|
||||
var newtoc = document.createElement('div');
|
||||
newtoc.setAttribute('id', 'tocbot');
|
||||
newtoc.setAttribute('class', 'js-toc desktop-toc');
|
||||
oldtoc.setAttribute('class', 'mobile-toc');
|
||||
oldtoc.parentNode.appendChild(newtoc);
|
||||
tocbot.init({
|
||||
contentSelector: '#content',
|
||||
headingSelector: 'h1, h2, h3, h4, h5',
|
||||
positionFixedSelector: 'body',
|
||||
fixedSidebarOffset: 90,
|
||||
smoothScroll: false
|
||||
});
|
||||
if (!path.endsWith("index.html") && !path.endsWith("/")) {
|
||||
var link = document.createElement("a");
|
||||
link.setAttribute("href", "index.html");
|
||||
link.innerHTML = "<span><i class=\"fa fa-chevron-left\" aria-hidden=\"true\"></i></span> Back to index";
|
||||
var block = document.createElement("div");
|
||||
block.setAttribute('class', 'back-action');
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||||
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|
||||
1
spring-cloud-consul/2.2.0.M2/reference/html/js/tocbot/tocbot.min.js
vendored
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1
spring-cloud-consul/2.2.0.M2/reference/html/js/tocbot/tocbot.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
105
spring-cloud-consul/2.2.0.M2/reference/html/sagan-boot.html
Normal file
105
spring-cloud-consul/2.2.0.M2/reference/html/sagan-boot.html
Normal file
@@ -0,0 +1,105 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
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<head>
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||||
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|
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||||
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|
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||||
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||||
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|
||||
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||||
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||||
primary = $(this);
|
||||
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||||
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||||
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||||
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||||
|
||||
function createBlockSwitch(primary) {
|
||||
blockSwitch = $('<div class="switch"></div>');
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||||
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||||
return blockSwitch;
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||||
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function findPrimary(secondary) {
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||||
candidate = secondary.prev();
|
||||
while (!candidate.is('.primary')) {
|
||||
candidate = candidate.prev();
|
||||
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|
||||
return candidate;
|
||||
}
|
||||
|
||||
function createSwitchItem(block, blockSwitch) {
|
||||
blockName = block.children('.title').text();
|
||||
content = block.children('.content').first().append(block.next('.colist'));
|
||||
item = $('<div class="switch--item">' + blockName + '</div>');
|
||||
item.on('click', '', content, function(e) {
|
||||
$(this).addClass('selected');
|
||||
$(this).siblings().removeClass('selected');
|
||||
e.data.siblings('.content').addClass('hidden');
|
||||
e.data.removeClass('hidden');
|
||||
});
|
||||
blockSwitch.append(item);
|
||||
return {'item': item, 'content': content};
|
||||
}
|
||||
|
||||
$(addBlockSwitches);
|
||||
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|
||||
|
||||
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|
||||
<body class="book">
|
||||
<div id="header">
|
||||
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|
||||
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|
||||
|
||||
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|
||||
<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
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||||
<script type="text/javascript" src="js/toc.js"></script>
|
||||
<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
|
||||
<script src="js/highlight/highlight.min.js"></script>
|
||||
<script>hljs.initHighlighting()</script>
|
||||
</body>
|
||||
</html>
|
||||
179
spring-cloud-consul/2.2.0.M2/reference/html/sagan-index.html
Normal file
179
spring-cloud-consul/2.2.0.M2/reference/html/sagan-index.html
Normal file
@@ -0,0 +1,179 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
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|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<meta name="generator" content="Asciidoctor 1.5.7.1">
|
||||
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|
||||
<link rel="stylesheet" href="css/spring.css">
|
||||
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
|
||||
|
||||
<style>
|
||||
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|
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display: none;
|
||||
}
|
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|
||||
.switch {
|
||||
border-width: 1px 1px 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
||||
display: inline-block;
|
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}
|
||||
|
||||
.switch--item {
|
||||
padding: 10px;
|
||||
background-color: #ffffff;
|
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color: #7a2518;
|
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display: inline-block;
|
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|
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.switch--item:not(:first-child) {
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|
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|
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.switch--item.selected {
|
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|
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color: #ffffff;
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<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
|
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<script type="text/javascript">
|
||||
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|
||||
$('.primary').each(function() {
|
||||
primary = $(this);
|
||||
createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
|
||||
primary.children('.title').remove();
|
||||
});
|
||||
$('.secondary').each(function(idx, node) {
|
||||
secondary = $(node);
|
||||
primary = findPrimary(secondary);
|
||||
switchItem = createSwitchItem(secondary, primary.children('.switch'));
|
||||
switchItem.content.addClass('hidden');
|
||||
findPrimary(secondary).append(switchItem.content);
|
||||
secondary.remove();
|
||||
});
|
||||
}
|
||||
|
||||
function createBlockSwitch(primary) {
|
||||
blockSwitch = $('<div class="switch"></div>');
|
||||
primary.prepend(blockSwitch);
|
||||
return blockSwitch;
|
||||
}
|
||||
|
||||
function findPrimary(secondary) {
|
||||
candidate = secondary.prev();
|
||||
while (!candidate.is('.primary')) {
|
||||
candidate = candidate.prev();
|
||||
}
|
||||
return candidate;
|
||||
}
|
||||
|
||||
function createSwitchItem(block, blockSwitch) {
|
||||
blockName = block.children('.title').text();
|
||||
content = block.children('.content').first().append(block.next('.colist'));
|
||||
item = $('<div class="switch--item">' + blockName + '</div>');
|
||||
item.on('click', '', content, function(e) {
|
||||
$(this).addClass('selected');
|
||||
$(this).siblings().removeClass('selected');
|
||||
e.data.siblings('.content').addClass('hidden');
|
||||
e.data.removeClass('hidden');
|
||||
});
|
||||
blockSwitch.append(item);
|
||||
return {'item': item, 'content': content};
|
||||
}
|
||||
|
||||
$(addBlockSwitches);
|
||||
</script>
|
||||
|
||||
</head>
|
||||
<body class="book toc2 toc-left">
|
||||
<div id="header">
|
||||
<div id="toc" class="toc2">
|
||||
<div id="toctitle">Table of Contents</div>
|
||||
<ul class="sectlevel1">
|
||||
<li><a href="#_features">Features</a></li>
|
||||
<li><a href="#_quick_start">Quick Start</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div id="content">
|
||||
<div id="preamble">
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud Consul provides <a href="http://consul.io">Consul</a> integrations for Spring Boot apps through autoconfiguration and binding to the Spring Environment and other Spring programming model idioms. With a few simple annotations you can quickly enable and configure the common patterns inside your application and build large distributed systems with Hashicorp’s Consul. The patterns provided include Service Discovery, Distributed Configuration and Control Bus.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_features"><a class="link" href="#_features">Features</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud Consul features:</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Service Discovery: instances can be registered with the Consul agent and clients can discover the instances using Spring-managed beans</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Supports Ribbon, the client side load-balancer via Spring Cloud Netflix</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Supports Zuul, a dynamic router and filter via Spring Cloud Netflix</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Distributed Configuration: using the Consul Key/Value store</p>
|
||||
</li>
|
||||
<li>
|
||||
<p>Control Bus: Distributed control events using Consul Events</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="_quick_start"><a class="link" href="#_quick_start">Quick Start</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>As long as Spring Cloud Consul and the Consul API are on the
|
||||
classpath any Spring Boot application with <code>@EnableDiscoveryClient</code> will try to contact a Consul
|
||||
agent on <code>localhost:8500</code> (the default values of
|
||||
<code>spring.cloud.consul.host</code> and <code>spring.cloud.consul.port</code> respectively):</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">@Configuration
|
||||
@EnableAutoConfiguration
|
||||
@EnableDiscoveryClient
|
||||
@RestController
|
||||
public class Application {
|
||||
|
||||
@RequestMapping("/")
|
||||
public String home() {
|
||||
return "Hello World";
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(Application.class, args);
|
||||
}
|
||||
|
||||
}</code></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>A local Consul agent must be running. See the <a href="https://consul.io/docs/agent/basics.html">Consul agent documentation</a> on how to run an agent.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
|
||||
<script type="text/javascript" src="js/toc.js"></script>
|
||||
<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
|
||||
<script src="js/highlight/highlight.min.js"></script>
|
||||
<script>hljs.initHighlighting()</script>
|
||||
</body>
|
||||
</html>
|
||||
@@ -0,0 +1,793 @@
|
||||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<!--[if IE]><meta http-equiv="X-UA-Compatible" content="IE=edge"><![endif]-->
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<meta name="generator" content="Asciidoctor 1.5.7.1">
|
||||
<title>Spring Cloud Consul</title>
|
||||
<link rel="stylesheet" href="css/spring.css">
|
||||
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">
|
||||
|
||||
<style>
|
||||
.hidden {
|
||||
display: none;
|
||||
}
|
||||
|
||||
.switch {
|
||||
border-width: 1px 1px 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
||||
display: inline-block;
|
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}
|
||||
|
||||
.switch--item {
|
||||
padding: 10px;
|
||||
background-color: #ffffff;
|
||||
color: #7a2518;
|
||||
display: inline-block;
|
||||
cursor: pointer;
|
||||
}
|
||||
|
||||
.switch--item:not(:first-child) {
|
||||
border-width: 0 0 0 1px;
|
||||
border-style: solid;
|
||||
border-color: #7a2518;
|
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}
|
||||
|
||||
.switch--item.selected {
|
||||
background-color: #7a2519;
|
||||
color: #ffffff;
|
||||
}
|
||||
</style>
|
||||
<script src="https://cdnjs.cloudflare.com/ajax/libs/zepto/1.2.0/zepto.min.js"></script>
|
||||
<script type="text/javascript">
|
||||
function addBlockSwitches() {
|
||||
$('.primary').each(function() {
|
||||
primary = $(this);
|
||||
createSwitchItem(primary, createBlockSwitch(primary)).item.addClass("selected");
|
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|
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|
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|
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|
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|
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|
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|
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findPrimary(secondary).append(switchItem.content);
|
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|
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|
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|
||||
|
||||
function createBlockSwitch(primary) {
|
||||
blockSwitch = $('<div class="switch"></div>');
|
||||
primary.prepend(blockSwitch);
|
||||
return blockSwitch;
|
||||
}
|
||||
|
||||
function findPrimary(secondary) {
|
||||
candidate = secondary.prev();
|
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while (!candidate.is('.primary')) {
|
||||
candidate = candidate.prev();
|
||||
}
|
||||
return candidate;
|
||||
}
|
||||
|
||||
function createSwitchItem(block, blockSwitch) {
|
||||
blockName = block.children('.title').text();
|
||||
content = block.children('.content').first().append(block.next('.colist'));
|
||||
item = $('<div class="switch--item">' + blockName + '</div>');
|
||||
item.on('click', '', content, function(e) {
|
||||
$(this).addClass('selected');
|
||||
$(this).siblings().removeClass('selected');
|
||||
e.data.siblings('.content').addClass('hidden');
|
||||
e.data.removeClass('hidden');
|
||||
});
|
||||
blockSwitch.append(item);
|
||||
return {'item': item, 'content': content};
|
||||
}
|
||||
|
||||
$(addBlockSwitches);
|
||||
</script>
|
||||
|
||||
</head>
|
||||
<body class="book toc2 toc-left">
|
||||
<div id="header">
|
||||
<h1>Spring Cloud Consul</h1>
|
||||
<div id="toc" class="toc2">
|
||||
<div id="toctitle">Table of Contents</div>
|
||||
<ul class="sectlevel1">
|
||||
<li><a href="#spring-cloud-consul-install">Install Consul</a></li>
|
||||
<li><a href="#spring-cloud-consul-agent">Consul Agent</a></li>
|
||||
<li><a href="#spring-cloud-consul-discovery">Service Discovery with Consul</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_how_to_activate">How to activate</a></li>
|
||||
<li><a href="#_registering_with_consul">Registering with Consul</a></li>
|
||||
<li><a href="#_http_health_check">HTTP Health Check</a></li>
|
||||
<li><a href="#_looking_up_services">Looking up services</a></li>
|
||||
<li><a href="#_consul_catalog_watch">Consul Catalog Watch</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#spring-cloud-consul-config">Distributed Configuration with Consul</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_how_to_activate_2">How to activate</a></li>
|
||||
<li><a href="#_customizing">Customizing</a></li>
|
||||
<li><a href="#spring-cloud-consul-config-watch">Config Watch</a></li>
|
||||
<li><a href="#spring-cloud-consul-config-format">YAML or Properties with Config</a></li>
|
||||
<li><a href="#spring-cloud-consul-config-git2consul">git2consul with Config</a></li>
|
||||
<li><a href="#spring-cloud-consul-failfast">Fail Fast</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#spring-cloud-consul-retry">Consul Retry</a></li>
|
||||
<li><a href="#spring-cloud-consul-bus">Spring Cloud Bus with Consul</a>
|
||||
<ul class="sectlevel2">
|
||||
<li><a href="#_how_to_activate_3">How to activate</a></li>
|
||||
</ul>
|
||||
</li>
|
||||
<li><a href="#spring-cloud-consul-hystrix">Circuit Breaker with Hystrix</a></li>
|
||||
<li><a href="#spring-cloud-consul-turbine">Hystrix metrics aggregation with Turbine and Consul</a></li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div id="content">
|
||||
<div id="preamble">
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p><strong>2.2.0.M2</strong></p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This project provides Consul integrations for Spring Boot apps through autoconfiguration
|
||||
and binding to the Spring Environment and other Spring programming model idioms. With a few
|
||||
simple annotations you can quickly enable and configure the common patterns inside your
|
||||
application and build large distributed systems with Consul based components. The
|
||||
patterns provided include Service Discovery, Control Bus and Configuration.
|
||||
Intelligent Routing (Zuul) and Client Side Load Balancing (Ribbon), Circuit Breaker
|
||||
(Hystrix) are provided by integration with Spring Cloud Netflix.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-install"><a class="link" href="#spring-cloud-consul-install">Install Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Please see the <a href="https://www.consul.io/intro/getting-started/install.html">installation documentation</a> for instructions on how to install Consul.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-agent"><a class="link" href="#spring-cloud-consul-agent">Consul Agent</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>A Consul Agent client must be available to all Spring Cloud Consul applications. By default, the Agent client is expected to be at <code>localhost:8500</code>. See the <a href="https://consul.io/docs/agent/basics.html">Agent documentation</a> for specifics on how to start an Agent client and how to connect to a cluster of Consul Agent Servers. For development, after you have installed consul, you may start a Consul Agent using the following command:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>./src/main/bash/local_run_consul.sh</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This will start an agent in server mode on port 8500, with the ui available at <a href="http://localhost:8500" class="bare">http://localhost:8500</a></p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-discovery"><a class="link" href="#spring-cloud-consul-discovery">Service Discovery with Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Service Discovery is one of the key tenets of a microservice based architecture. Trying to hand configure each client or some form of convention can be very difficult to do and can be very brittle. Consul provides Service Discovery services via an <a href="https://www.consul.io/docs/agent/http.html">HTTP API</a> and <a href="https://www.consul.io/docs/agent/dns.html">DNS</a>. Spring Cloud Consul leverages the HTTP API for service registration and discovery. This does not prevent non-Spring Cloud applications from leveraging the DNS interface. Consul Agents servers are run in a <a href="https://www.consul.io/docs/internals/architecture.html">cluster</a> that communicates via a <a href="https://www.consul.io/docs/internals/gossip.html">gossip protocol</a> and uses the <a href="https://www.consul.io/docs/internals/consensus.html">Raft consensus protocol</a>.</p>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_how_to_activate"><a class="link" href="#_how_to_activate">How to activate</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To activate Consul Service Discovery use the starter with group <code>org.springframework.cloud</code> and artifact id <code>spring-cloud-starter-consul-discovery</code>. See the <a href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</a> for details on setting up your build system with the current Spring Cloud Release Train.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_registering_with_consul"><a class="link" href="#_registering_with_consul">Registering with Consul</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>When a client registers with Consul, it provides meta-data about itself such as host and port, id, name and tags. An HTTP <a href="https://www.consul.io/docs/agent/checks.html">Check</a> is created by default that Consul hits the <code>/health</code> endpoint every 10 seconds. If the health check fails, the service instance is marked as critical.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Example Consul client:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre class="highlightjs highlight"><code class="language-java hljs" data-lang="java">@SpringBootApplication
|
||||
@RestController
|
||||
public class Application {
|
||||
|
||||
@RequestMapping("/")
|
||||
public String home() {
|
||||
return "Hello world";
|
||||
}
|
||||
|
||||
public static void main(String[] args) {
|
||||
new SpringApplicationBuilder(Application.class).web(true).run(args);
|
||||
}
|
||||
|
||||
}</code></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>(i.e. utterly normal Spring Boot app). If the Consul client is located somewhere other than <code>localhost:8500</code>, the configuration is required to locate the client. Example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
host: localhost
|
||||
port: 8500</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="admonitionblock caution">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-caution" title="Caution"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
If you use <a href="#spring-cloud-consul-config">Spring Cloud Consul Config</a>, the above values will need to be placed in <code>bootstrap.yml</code> instead of <code>application.yml</code>.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The default service name, instance id and port, taken from the <code>Environment</code>, are <code>${spring.application.name}</code>, the Spring Context ID and <code>${server.port}</code> respectively.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the Consul Discovery Client you can set <code>spring.cloud.consul.discovery.enabled</code> to <code>false</code>. Consul Discovery Client will also be disabled when <code>spring.cloud.discovery.enabled</code> is set to <code>false</code>.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the service registration you can set <code>spring.cloud.consul.discovery.register</code> to <code>false</code>.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_registering_management_as_a_separate_service"><a class="link" href="#_registering_management_as_a_separate_service">Registering Management as a Separate Service</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>When management server port is set to something different than the application port, by setting <code>management.server.port</code> property, management service will be registered as a separate service than the application service. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
application:
|
||||
name: myApp
|
||||
management:
|
||||
server:
|
||||
port: 4452</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Above configuration will register following 2 services:</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Application Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: myApp
|
||||
Name: myApp</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Management Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: myApp-management
|
||||
Name: myApp-management</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Management service will inherit its <code>instanceId</code> and <code>serviceName</code> from the application service. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
application:
|
||||
name: myApp
|
||||
management:
|
||||
server:
|
||||
port: 4452
|
||||
spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
instance-id: custom-service-id
|
||||
serviceName: myprefix-${spring.application.name}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Above configuration will register following 2 services:</p>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Application Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: custom-service-id
|
||||
Name: myprefix-myApp</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p>Management Service:</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>ID: custom-service-id-management
|
||||
Name: myprefix-myApp-management</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Further customization is possible via following properties:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>/** Port to register the management service under (defaults to management port) */
|
||||
spring.cloud.consul.discovery.management-port
|
||||
|
||||
/** Suffix to use when registering management service (defaults to "management" */
|
||||
spring.cloud.consul.discovery.management-suffix
|
||||
|
||||
/** Tags to use when registering management service (defaults to "management" */
|
||||
spring.cloud.consul.discovery.management-tags</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_http_health_check"><a class="link" href="#_http_health_check">HTTP Health Check</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The health check for a Consul instance defaults to "/health", which is the default locations of a useful endpoint in a Spring Boot Actuator application. You need to change these, even for an Actuator application if you use a non-default context path or servlet path (e.g. <code>server.servletPath=/foo</code>) or management endpoint path (e.g. <code>management.server.servlet.context-path=/admin</code>). The interval that Consul uses to check the health endpoint may also be configured. "10s" and "1m" represent 10 seconds and 1 minute respectively. Example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
healthCheckPath: ${management.server.servlet.context-path}/health
|
||||
healthCheckInterval: 15s</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>You can disable the health check by setting <code>management.health.consul.enabled=false</code>.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_metadata_and_consul_tags"><a class="link" href="#_metadata_and_consul_tags">Metadata and Consul tags</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Consul does not yet support metadata on services. Spring Cloud’s <code>ServiceInstance</code> has a <code>Map<String, String> metadata</code> field. Spring Cloud Consul uses Consul tags to approximate metadata until Consul officially supports metadata. Tags with the form <code>key=value</code> will be split and used as a <code>Map</code> key and value respectively. Tags without the equal <code>=</code> sign, will be used as both the key and value.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
tags: foo=bar, baz</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The above configuration will result in a map with <code>foo→bar</code> and <code>baz→baz</code>.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_making_the_consul_instance_id_unique"><a class="link" href="#_making_the_consul_instance_id_unique">Making the Consul Instance ID Unique</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>By default a consul instance is registered with an ID that is equal to its Spring Application Context ID. By default, the Spring Application Context ID is <code>${spring.application.name}:comma,separated,profiles:${server.port}</code>. For most cases, this will allow multiple instances of one service to run on one machine. If further uniqueness is required, Using Spring Cloud you can override this by providing a unique identifier in <code>spring.cloud.consul.discovery.instanceId</code>. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
instanceId: ${spring.application.name}:${vcap.application.instance_id:${spring.application.instance_id:${random.value}}}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>With this metadata, and multiple service instances deployed on localhost, the random value will kick in there to make the instance unique. In Cloudfoundry the <code>vcap.application.instance_id</code> will be populated automatically in a Spring Boot application, so the random value will not be needed.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_applying_headers_to_health_check_requests"><a class="link" href="#_applying_headers_to_health_check_requests">Applying Headers to Health Check Requests</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Headers can be applied to health check requests. For example, if you’re trying to register a <a href="https://cloud.spring.io/spring-cloud-config/">Spring Cloud Config</a> server that uses <a href="https://github.com/spring-cloud/spring-cloud-config/blob/master/docs/src/main/asciidoc/spring-cloud-config.adoc#vault-backend">Vault Backend</a>:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
health-check-headers:
|
||||
X-Config-Token: 6442e58b-d1ea-182e-cfa5-cf9cddef0722</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>According to the HTTP standard, each header can have more than one values, in which case, an array can be supplied:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
discovery:
|
||||
health-check-headers:
|
||||
X-Config-Token:
|
||||
- "6442e58b-d1ea-182e-cfa5-cf9cddef0722"
|
||||
- "Some other value"</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_looking_up_services"><a class="link" href="#_looking_up_services">Looking up services</a></h3>
|
||||
<div class="sect3">
|
||||
<h4 id="_using_ribbon"><a class="link" href="#_using_ribbon">Using Ribbon</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>Spring Cloud has support for <a href="https://github.com/spring-cloud/spring-cloud-netflix/blob/master/docs/src/main/asciidoc/spring-cloud-netflix.adoc#spring-cloud-feign">Feign</a> (a REST client builder) and also <a href="https://github.com/spring-cloud/spring-cloud-netflix/blob/master/docs/src/main/asciidoc/spring-cloud-netflix.adoc#spring-cloud-ribbon">Spring <code>RestTemplate</code></a>
|
||||
for looking up services using the logical service names/ids instead of physical URLs. Both Feign and the discovery-aware RestTemplate utilize <a href="https://cloud.spring.io/spring-cloud-netflix/single/spring-cloud-netflix.html#spring-cloud-ribbon">Ribbon</a> for client-side load balancing.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>If you want to access service STORES using the RestTemplate simply declare:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>@LoadBalanced
|
||||
@Bean
|
||||
public RestTemplate loadbalancedRestTemplate() {
|
||||
return new RestTemplate();
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>and use it like this (notice how we use the STORES service name/id from Consul instead of a fully qualified domainname):</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>@Autowired
|
||||
RestTemplate restTemplate;
|
||||
|
||||
public String getFirstProduct() {
|
||||
return this.restTemplate.getForObject("https://STORES/products/1", String.class);
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>If you have Consul clusters in multiple datacenters and you want to access a service in another datacenter a service name/id alone is not enough. In that case
|
||||
you use property <code>spring.cloud.consul.discovery.datacenters.STORES=dc-west</code> where <code>STORES</code> is the service name/id and <code>dc-west</code> is the datacenter
|
||||
where the STORES service lives.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_using_the_discoveryclient"><a class="link" href="#_using_the_discoveryclient">Using the DiscoveryClient</a></h4>
|
||||
<div class="paragraph">
|
||||
<p>You can also use the <code>org.springframework.cloud.client.discovery.DiscoveryClient</code> which provides a simple API for discovery clients that is not specific to Netflix, e.g.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>@Autowired
|
||||
private DiscoveryClient discoveryClient;
|
||||
|
||||
public String serviceUrl() {
|
||||
List<ServiceInstance> list = discoveryClient.getInstances("STORES");
|
||||
if (list != null && list.size() > 0 ) {
|
||||
return list.get(0).getUri();
|
||||
}
|
||||
return null;
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_consul_catalog_watch"><a class="link" href="#_consul_catalog_watch">Consul Catalog Watch</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The Consul Catalog Watch takes advantage of the ability of consul to <a href="https://www.consul.io/docs/agent/watches.html#services">watch services</a>. The Catalog Watch makes a blocking Consul HTTP API call to determine if any services have changed. If there is new service data a Heartbeat Event is published.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To change the frequency of when the Config Watch is called change <code>spring.cloud.consul.config.discovery.catalog-services-watch-delay</code>. The default value is 1000, which is in milliseconds. The delay is the amount of time after the end of the previous invocation and the start of the next.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the Catalog Watch set <code>spring.cloud.consul.discovery.catalogServicesWatch.enabled=false</code>.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The watch uses a Spring <code>TaskScheduler</code> to schedule the call to consul. By default it is a <code>ThreadPoolTaskScheduler</code> with a <code>poolSize</code> of 1. To change the <code>TaskScheduler</code>, create a bean of type <code>TaskScheduler</code> named with the <code>ConsulDiscoveryClientConfiguration.CATALOG_WATCH_TASK_SCHEDULER_NAME</code> constant.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-config"><a class="link" href="#spring-cloud-consul-config">Distributed Configuration with Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Consul provides a <a href="https://consul.io/docs/agent/http/kv.html">Key/Value Store</a> for storing configuration and other metadata. Spring Cloud Consul Config is an alternative to the <a href="https://github.com/spring-cloud/spring-cloud-config">Config Server and Client</a>. Configuration is loaded into the Spring Environment during the special "bootstrap" phase. Configuration is stored in the <code>/config</code> folder by default. Multiple <code>PropertySource</code> instances are created based on the application’s name and the active profiles that mimicks the Spring Cloud Config order of resolving properties. For example, an application with the name "testApp" and with the "dev" profile will have the following property sources created:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>config/testApp,dev/
|
||||
config/testApp/
|
||||
config/application,dev/
|
||||
config/application/</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The most specific property source is at the top, with the least specific at the bottom. Properties in the <code>config/application</code> folder are applicable to all applications using consul for configuration. Properties in the <code>config/testApp</code> folder are only available to the instances of the service named "testApp".</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Configuration is currently read on startup of the application. Sending a HTTP POST to <code>/refresh</code> will cause the configuration to be reloaded. <a href="#spring-cloud-consul-config-watch">Config Watch</a> will also automatically detect changes and reload the application context.</p>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_how_to_activate_2"><a class="link" href="#_how_to_activate_2">How to activate</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To get started with Consul Configuration use the starter with group <code>org.springframework.cloud</code> and artifact id <code>spring-cloud-starter-consul-config</code>. See the <a href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</a> for details on setting up your build system with the current Spring Cloud Release Train.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>This will enable auto-configuration that will setup Spring Cloud Consul Config.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_customizing"><a class="link" href="#_customizing">Customizing</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>Consul Config may be customized using the following properties:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">bootstrap.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
config:
|
||||
enabled: true
|
||||
prefix: configuration
|
||||
defaultContext: apps
|
||||
profileSeparator: '::'</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="ulist">
|
||||
<ul>
|
||||
<li>
|
||||
<p><code>enabled</code> setting this value to "false" disables Consul Config</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>prefix</code> sets the base folder for configuration values</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>defaultContext</code> sets the folder name used by all applications</p>
|
||||
</li>
|
||||
<li>
|
||||
<p><code>profileSeparator</code> sets the value of the separator used to separate the profile name in property sources with profiles</p>
|
||||
</li>
|
||||
</ul>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-config-watch"><a class="link" href="#spring-cloud-consul-config-watch">Config Watch</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>The Consul Config Watch takes advantage of the ability of consul to <a href="https://www.consul.io/docs/agent/watches.html#keyprefix">watch a key prefix</a>. The Config Watch makes a blocking Consul HTTP API call to determine if any relevant configuration data has changed for the current application. If there is new configuration data a Refresh Event is published. This is equivalent to calling the <code>/refresh</code> actuator endpoint.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To change the frequency of when the Config Watch is called change <code>spring.cloud.consul.config.watch.delay</code>. The default value is 1000, which is in milliseconds. The delay is the amount of time after the end of the previous invocation and the start of the next.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>To disable the Config Watch set <code>spring.cloud.consul.config.watch.enabled=false</code>.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The watch uses a Spring <code>TaskScheduler</code> to schedule the call to consul. By default it is a <code>ThreadPoolTaskScheduler</code> with a <code>poolSize</code> of 1. To change the <code>TaskScheduler</code>, create a bean of type <code>TaskScheduler</code> named with the <code>ConsulConfigAutoConfiguration.CONFIG_WATCH_TASK_SCHEDULER_NAME</code> constant.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-config-format"><a class="link" href="#spring-cloud-consul-config-format">YAML or Properties with Config</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>It may be more convenient to store a blob of properties in YAML or Properties format as opposed to individual key/value pairs. Set the <code>spring.cloud.consul.config.format</code> property to <code>YAML</code> or <code>PROPERTIES</code>. For example to use YAML:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">bootstrap.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
config:
|
||||
format: YAML</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>YAML must be set in the appropriate <code>data</code> key in consul. Using the defaults above the keys would look like:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>config/testApp,dev/data
|
||||
config/testApp/data
|
||||
config/application,dev/data
|
||||
config/application/data</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>You could store a YAML document in any of the keys listed above.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>You can change the data key using <code>spring.cloud.consul.config.data-key</code>.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-config-git2consul"><a class="link" href="#spring-cloud-consul-config-git2consul">git2consul with Config</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>git2consul is a Consul community project that loads files from a git repository to individual keys into Consul. By default the names of the keys are names of the files. YAML and Properties files are supported with file extensions of <code>.yml</code> and <code>.properties</code> respectively. Set the <code>spring.cloud.consul.config.format</code> property to <code>FILES</code>. For example:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">bootstrap.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring:
|
||||
cloud:
|
||||
consul:
|
||||
config:
|
||||
format: FILES</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Given the following keys in <code>/config</code>, the <code>development</code> profile and an application name of <code>foo</code>:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>.gitignore
|
||||
application.yml
|
||||
bar.properties
|
||||
foo-development.properties
|
||||
foo-production.yml
|
||||
foo.properties
|
||||
master.ref</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>the following property sources would be created:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="content">
|
||||
<pre>config/foo-development.properties
|
||||
config/foo.properties
|
||||
config/application.yml</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The value of each key needs to be a properly formatted YAML or Properties file.</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="spring-cloud-consul-failfast"><a class="link" href="#spring-cloud-consul-failfast">Fail Fast</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>It may be convenient in certain circumstances (like local development or certain test scenarios) to not fail if consul isn’t available for configuration. Setting <code>spring.cloud.consul.config.failFast=false</code> in <code>bootstrap.yml</code> will cause the configuration module to log a warning rather than throw an exception. This will allow the application to continue startup normally.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-retry"><a class="link" href="#spring-cloud-consul-retry">Consul Retry</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>If you expect that the consul agent may occasionally be unavailable when
|
||||
your app starts, you can ask it to keep trying after a failure. You need to add
|
||||
<code>spring-retry</code> and <code>spring-boot-starter-aop</code> to your classpath. The default
|
||||
behaviour is to retry 6 times with an initial backoff interval of 1000ms and an
|
||||
exponential multiplier of 1.1 for subsequent backoffs. You can configure these
|
||||
properties (and others) using <code>spring.cloud.consul.retry.*</code> configuration properties.
|
||||
This works with both Spring Cloud Consul Config and Discovery registration.</p>
|
||||
</div>
|
||||
<div class="admonitionblock tip">
|
||||
<table>
|
||||
<tr>
|
||||
<td class="icon">
|
||||
<i class="fa icon-tip" title="Tip"></i>
|
||||
</td>
|
||||
<td class="content">
|
||||
To take full control of the retry add a <code>@Bean</code> of type
|
||||
<code>RetryOperationsInterceptor</code> with id "consulRetryInterceptor". Spring
|
||||
Retry has a <code>RetryInterceptorBuilder</code> that makes it easy to create one.
|
||||
</td>
|
||||
</tr>
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-bus"><a class="link" href="#spring-cloud-consul-bus">Spring Cloud Bus with Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="sect2">
|
||||
<h3 id="_how_to_activate_3"><a class="link" href="#_how_to_activate_3">How to activate</a></h3>
|
||||
<div class="paragraph">
|
||||
<p>To get started with the Consul Bus use the starter with group <code>org.springframework.cloud</code> and artifact id <code>spring-cloud-starter-consul-bus</code>. See the <a href="https://projects.spring.io/spring-cloud/">Spring Cloud Project page</a> for details on setting up your build system with the current Spring Cloud Release Train.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>See the <a href="https://cloud.spring.io/spring-cloud-bus/">Spring Cloud Bus</a> documentation for the available actuator endpoints and howto send custom messages.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-hystrix"><a class="link" href="#spring-cloud-consul-hystrix">Circuit Breaker with Hystrix</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Applications can use the Hystrix Circuit Breaker provided by the Spring Cloud Netflix project by including this starter in the projects pom.xml: <code>spring-cloud-starter-hystrix</code>. Hystrix doesn’t depend on the Netflix Discovery Client. The <code>@EnableHystrix</code> annotation should be placed on a configuration class (usually the main class). Then methods can be annotated with <code>@HystrixCommand</code> to be protected by a circuit breaker. See <a href="https://projects.spring.io/spring-cloud/spring-cloud.html#_circuit_breaker_hystrix_clients">the documentation</a> for more details.</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect1">
|
||||
<h2 id="spring-cloud-consul-turbine"><a class="link" href="#spring-cloud-consul-turbine">Hystrix metrics aggregation with Turbine and Consul</a></h2>
|
||||
<div class="sectionbody">
|
||||
<div class="paragraph">
|
||||
<p>Turbine (provided by the Spring Cloud Netflix project), aggregates multiple instances Hystrix metrics streams, so the dashboard can display an aggregate view. Turbine uses the <code>DiscoveryClient</code> interface to lookup relevant instances. To use Turbine with Spring Cloud Consul, configure the Turbine application in a manner similar to the following examples:</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">pom.xml</div>
|
||||
<div class="content">
|
||||
<pre><dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-netflix-turbine</artifactId>
|
||||
</dependency>
|
||||
<dependency>
|
||||
<groupId>org.springframework.cloud</groupId>
|
||||
<artifactId>spring-cloud-starter-consul-discovery</artifactId>
|
||||
</dependency></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Notice that the Turbine dependency is not a starter. The turbine starter includes support for Netflix Eureka.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">application.yml</div>
|
||||
<div class="content">
|
||||
<pre>spring.application.name: turbine
|
||||
applications: consulhystrixclient
|
||||
turbine:
|
||||
aggregator:
|
||||
clusterConfig: ${applications}
|
||||
appConfig: ${applications}</pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>The <code>clusterConfig</code> and <code>appConfig</code> sections must match, so it’s useful to put the comma-separated list of service ID’s into a separate configuration property.</p>
|
||||
</div>
|
||||
<div class="listingblock">
|
||||
<div class="title">Turbine.java</div>
|
||||
<div class="content">
|
||||
<pre>@EnableTurbine
|
||||
@SpringBootApplication
|
||||
public class Turbine {
|
||||
public static void main(String[] args) {
|
||||
SpringApplication.run(DemoturbinecommonsApplication.class, args);
|
||||
}
|
||||
}</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<script type="text/javascript" src="js/tocbot/tocbot.min.js"></script>
|
||||
<script type="text/javascript" src="js/toc.js"></script>
|
||||
<link rel="stylesheet" href="js/highlight/styles/atom-one-dark-reasonable.min.css">
|
||||
<script src="js/highlight/highlight.min.js"></script>
|
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<script>hljs.initHighlighting()</script>
|
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|
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</html>
|
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89
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/an-old-hope.min.css
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89
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/an-old-hope.min.css
vendored
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@@ -0,0 +1,89 @@
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/*
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An Old Hope – Star Wars Syntax (c) Gustavo Costa <gusbemacbe@gmail.com>
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Original theme - Ocean Dark Theme – by https://github.com/gavsiu
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96
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/atom-one-dark.min.css
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96
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/atom-one-dark.min.css
vendored
Normal file
@@ -0,0 +1,96 @@
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|
||||
.hljs-regexp,
|
||||
.hljs-addition,
|
||||
.hljs-attribute,
|
||||
.hljs-meta-string {
|
||||
color: #98c379;
|
||||
}
|
||||
|
||||
.hljs-built_in,
|
||||
.hljs-class .hljs-title {
|
||||
color: #e6c07b;
|
||||
}
|
||||
|
||||
.hljs-attr,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-type,
|
||||
.hljs-selector-class,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-number {
|
||||
color: #d19a66;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link,
|
||||
.hljs-meta,
|
||||
.hljs-selector-id,
|
||||
.hljs-title {
|
||||
color: #61aeee;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-link {
|
||||
text-decoration: underline;
|
||||
}
|
||||
96
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/atom-one-light.min.css
vendored
Normal file
96
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/atom-one-light.min.css
vendored
Normal file
@@ -0,0 +1,96 @@
|
||||
/*
|
||||
|
||||
Atom One Light by Daniel Gamage
|
||||
Original One Light Syntax theme from https://github.com/atom/one-light-syntax
|
||||
|
||||
base: #fafafa
|
||||
mono-1: #383a42
|
||||
mono-2: #686b77
|
||||
mono-3: #a0a1a7
|
||||
hue-1: #0184bb
|
||||
hue-2: #4078f2
|
||||
hue-3: #a626a4
|
||||
hue-4: #50a14f
|
||||
hue-5: #e45649
|
||||
hue-5-2: #c91243
|
||||
hue-6: #986801
|
||||
hue-6-2: #c18401
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
color: #383a42;
|
||||
background: #fafafa;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #a0a1a7;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-doctag,
|
||||
.hljs-keyword,
|
||||
.hljs-formula {
|
||||
color: #a626a4;
|
||||
}
|
||||
|
||||
.hljs-section,
|
||||
.hljs-name,
|
||||
.hljs-selector-tag,
|
||||
.hljs-deletion,
|
||||
.hljs-subst {
|
||||
color: #e45649;
|
||||
}
|
||||
|
||||
.hljs-literal {
|
||||
color: #0184bb;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-regexp,
|
||||
.hljs-addition,
|
||||
.hljs-attribute,
|
||||
.hljs-meta-string {
|
||||
color: #50a14f;
|
||||
}
|
||||
|
||||
.hljs-built_in,
|
||||
.hljs-class .hljs-title {
|
||||
color: #c18401;
|
||||
}
|
||||
|
||||
.hljs-attr,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-type,
|
||||
.hljs-selector-class,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-number {
|
||||
color: #986801;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link,
|
||||
.hljs-meta,
|
||||
.hljs-selector-id,
|
||||
.hljs-title {
|
||||
color: #4078f2;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-link {
|
||||
text-decoration: underline;
|
||||
}
|
||||
76
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/dracula.min.css
vendored
Normal file
76
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/dracula.min.css
vendored
Normal file
@@ -0,0 +1,76 @@
|
||||
/*
|
||||
|
||||
Dracula Theme v1.2.0
|
||||
|
||||
https://github.com/zenorocha/dracula-theme
|
||||
|
||||
Copyright 2015, All rights reserved
|
||||
|
||||
Code licensed under the MIT license
|
||||
http://zenorocha.mit-license.org
|
||||
|
||||
@author Éverton Ribeiro <nuxlli@gmail.com>
|
||||
@author Zeno Rocha <hi@zenorocha.com>
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #282a36;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-section,
|
||||
.hljs-link {
|
||||
color: #8be9fd;
|
||||
}
|
||||
|
||||
.hljs-function .hljs-keyword {
|
||||
color: #ff79c6;
|
||||
}
|
||||
|
||||
.hljs,
|
||||
.hljs-subst {
|
||||
color: #f8f8f2;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-title,
|
||||
.hljs-name,
|
||||
.hljs-type,
|
||||
.hljs-attribute,
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-tag,
|
||||
.hljs-template-variable {
|
||||
color: #f1fa8c;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #6272a4;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-doctag,
|
||||
.hljs-type,
|
||||
.hljs-name,
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
99
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/github.min.css
vendored
Normal file
99
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/github.min.css
vendored
Normal file
@@ -0,0 +1,99 @@
|
||||
/*
|
||||
|
||||
github.com style (c) Vasily Polovnyov <vast@whiteants.net>
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
color: #333;
|
||||
background: #f8f8f8;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #998;
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-subst {
|
||||
color: #333;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-number,
|
||||
.hljs-literal,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-tag .hljs-attr {
|
||||
color: #008080;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-doctag {
|
||||
color: #d14;
|
||||
}
|
||||
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-selector-id {
|
||||
color: #900;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-subst {
|
||||
font-weight: normal;
|
||||
}
|
||||
|
||||
.hljs-type,
|
||||
.hljs-class .hljs-title {
|
||||
color: #458;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-tag,
|
||||
.hljs-name,
|
||||
.hljs-attribute {
|
||||
color: #000080;
|
||||
font-weight: normal;
|
||||
}
|
||||
|
||||
.hljs-regexp,
|
||||
.hljs-link {
|
||||
color: #009926;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-bullet {
|
||||
color: #990073;
|
||||
}
|
||||
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name {
|
||||
color: #0086b3;
|
||||
}
|
||||
|
||||
.hljs-meta {
|
||||
color: #999;
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-deletion {
|
||||
background: #fdd;
|
||||
}
|
||||
|
||||
.hljs-addition {
|
||||
background: #dfd;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
83
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/monokai-sublime.min.css
vendored
Normal file
83
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/monokai-sublime.min.css
vendored
Normal file
@@ -0,0 +1,83 @@
|
||||
/*
|
||||
|
||||
Monokai Sublime style. Derived from Monokai by noformnocontent http://nn.mit-license.org/
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #23241f;
|
||||
}
|
||||
|
||||
.hljs,
|
||||
.hljs-tag,
|
||||
.hljs-subst {
|
||||
color: #f8f8f2;
|
||||
}
|
||||
|
||||
.hljs-strong,
|
||||
.hljs-emphasis {
|
||||
color: #a8a8a2;
|
||||
}
|
||||
|
||||
.hljs-bullet,
|
||||
.hljs-quote,
|
||||
.hljs-number,
|
||||
.hljs-regexp,
|
||||
.hljs-literal,
|
||||
.hljs-link {
|
||||
color: #ae81ff;
|
||||
}
|
||||
|
||||
.hljs-code,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-selector-class {
|
||||
color: #a6e22e;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-name,
|
||||
.hljs-attr {
|
||||
color: #f92672;
|
||||
}
|
||||
|
||||
.hljs-symbol,
|
||||
.hljs-attribute {
|
||||
color: #66d9ef;
|
||||
}
|
||||
|
||||
.hljs-params,
|
||||
.hljs-class .hljs-title {
|
||||
color: #f8f8f2;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-type,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable {
|
||||
color: #e6db74;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #75715e;
|
||||
}
|
||||
70
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/monokai.min.css
vendored
Normal file
70
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/monokai.min.css
vendored
Normal file
@@ -0,0 +1,70 @@
|
||||
/*
|
||||
Monokai style - ported by Luigi Maselli - http://grigio.org
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #272822; color: #ddd;
|
||||
}
|
||||
|
||||
.hljs-tag,
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-strong,
|
||||
.hljs-name {
|
||||
color: #f92672;
|
||||
}
|
||||
|
||||
.hljs-code {
|
||||
color: #66d9ef;
|
||||
}
|
||||
|
||||
.hljs-class .hljs-title {
|
||||
color: white;
|
||||
}
|
||||
|
||||
.hljs-attribute,
|
||||
.hljs-symbol,
|
||||
.hljs-regexp,
|
||||
.hljs-link {
|
||||
color: #bf79db;
|
||||
}
|
||||
|
||||
.hljs-string,
|
||||
.hljs-bullet,
|
||||
.hljs-subst,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-emphasis,
|
||||
.hljs-type,
|
||||
.hljs-built_in,
|
||||
.hljs-builtin-name,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-addition,
|
||||
.hljs-variable,
|
||||
.hljs-template-tag,
|
||||
.hljs-template-variable {
|
||||
color: #a6e22e;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote,
|
||||
.hljs-deletion,
|
||||
.hljs-meta {
|
||||
color: #75715e;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-literal,
|
||||
.hljs-doctag,
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-type,
|
||||
.hljs-selector-id {
|
||||
font-weight: bold;
|
||||
}
|
||||
84
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/solarized-light.min.css
vendored
Normal file
84
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/solarized-light.min.css
vendored
Normal file
@@ -0,0 +1,84 @@
|
||||
/*
|
||||
|
||||
Orginal Style from ethanschoonover.com/solarized (c) Jeremy Hull <sourdrums@gmail.com>
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
|
||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #fdf6e3;
|
||||
color: #657b83;
|
||||
}
|
||||
|
||||
.hljs-comment,
|
||||
.hljs-quote {
|
||||
color: #93a1a1;
|
||||
}
|
||||
|
||||
/* Solarized Green */
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-addition {
|
||||
color: #859900;
|
||||
}
|
||||
|
||||
/* Solarized Cyan */
|
||||
.hljs-number,
|
||||
.hljs-string,
|
||||
.hljs-meta .hljs-meta-string,
|
||||
.hljs-literal,
|
||||
.hljs-doctag,
|
||||
.hljs-regexp {
|
||||
color: #2aa198;
|
||||
}
|
||||
|
||||
/* Solarized Blue */
|
||||
.hljs-title,
|
||||
.hljs-section,
|
||||
.hljs-name,
|
||||
.hljs-selector-id,
|
||||
.hljs-selector-class {
|
||||
color: #268bd2;
|
||||
}
|
||||
|
||||
/* Solarized Yellow */
|
||||
.hljs-attribute,
|
||||
.hljs-attr,
|
||||
.hljs-variable,
|
||||
.hljs-template-variable,
|
||||
.hljs-class .hljs-title,
|
||||
.hljs-type {
|
||||
color: #b58900;
|
||||
}
|
||||
|
||||
/* Solarized Orange */
|
||||
.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-subst,
|
||||
.hljs-meta,
|
||||
.hljs-meta .hljs-keyword,
|
||||
.hljs-selector-attr,
|
||||
.hljs-selector-pseudo,
|
||||
.hljs-link {
|
||||
color: #cb4b16;
|
||||
}
|
||||
|
||||
/* Solarized Red */
|
||||
.hljs-built_in,
|
||||
.hljs-deletion {
|
||||
color: #dc322f;
|
||||
}
|
||||
|
||||
.hljs-formula {
|
||||
background: #eee8d5;
|
||||
}
|
||||
|
||||
.hljs-emphasis {
|
||||
font-style: italic;
|
||||
}
|
||||
|
||||
.hljs-strong {
|
||||
font-weight: bold;
|
||||
}
|
||||
80
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/zenburn.min.css
vendored
Normal file
80
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/highlight/styles/zenburn.min.css
vendored
Normal file
@@ -0,0 +1,80 @@
|
||||
/*
|
||||
|
||||
Zenburn style from voldmar.ru (c) Vladimir Epifanov <voldmar@voldmar.ru>
|
||||
based on dark.css by Ivan Sagalaev
|
||||
|
||||
*/
|
||||
|
||||
.hljs {
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||||
display: block;
|
||||
overflow-x: auto;
|
||||
padding: 0.5em;
|
||||
background: #3f3f3f;
|
||||
color: #dcdcdc;
|
||||
}
|
||||
|
||||
.hljs-keyword,
|
||||
.hljs-selector-tag,
|
||||
.hljs-tag {
|
||||
color: #e3ceab;
|
||||
}
|
||||
|
||||
.hljs-template-tag {
|
||||
color: #dcdcdc;
|
||||
}
|
||||
|
||||
.hljs-number {
|
||||
color: #8cd0d3;
|
||||
}
|
||||
|
||||
.hljs-variable,
|
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.hljs-template-variable,
|
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.hljs-attribute {
|
||||
color: #efdcbc;
|
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}
|
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|
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.hljs-literal {
|
||||
color: #efefaf;
|
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}
|
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|
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.hljs-subst {
|
||||
color: #8f8f8f;
|
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}
|
||||
|
||||
.hljs-title,
|
||||
.hljs-name,
|
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.hljs-selector-id,
|
||||
.hljs-selector-class,
|
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.hljs-section,
|
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.hljs-type {
|
||||
color: #efef8f;
|
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}
|
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|
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.hljs-symbol,
|
||||
.hljs-bullet,
|
||||
.hljs-link {
|
||||
color: #dca3a3;
|
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}
|
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|
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.hljs-deletion,
|
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.hljs-string,
|
||||
.hljs-built_in,
|
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.hljs-builtin-name {
|
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color: #cc9393;
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}
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.hljs-addition,
|
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.hljs-comment,
|
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.hljs-quote,
|
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.hljs-meta {
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color: #7f9f7f;
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}
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.hljs-emphasis {
|
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font-style: italic;
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}
|
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.hljs-strong {
|
||||
font-weight: bold;
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}
|
||||
107
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/toc.js
Normal file
107
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/toc.js
Normal file
@@ -0,0 +1,107 @@
|
||||
var toctitle = document.getElementById('toctitle');
|
||||
var path = window.location.pathname;
|
||||
if (toctitle != null) {
|
||||
var oldtoc = toctitle.nextElementSibling;
|
||||
var newtoc = document.createElement('div');
|
||||
newtoc.setAttribute('id', 'tocbot');
|
||||
newtoc.setAttribute('class', 'js-toc desktop-toc');
|
||||
oldtoc.setAttribute('class', 'mobile-toc');
|
||||
oldtoc.parentNode.appendChild(newtoc);
|
||||
tocbot.init({
|
||||
contentSelector: '#content',
|
||||
headingSelector: 'h1, h2, h3, h4, h5',
|
||||
positionFixedSelector: 'body',
|
||||
fixedSidebarOffset: 90,
|
||||
smoothScroll: false
|
||||
});
|
||||
if (!path.endsWith("index.html") && !path.endsWith("/")) {
|
||||
var link = document.createElement("a");
|
||||
link.setAttribute("href", "index.html");
|
||||
link.innerHTML = "<span><i class=\"fa fa-chevron-left\" aria-hidden=\"true\"></i></span> Back to index";
|
||||
var block = document.createElement("div");
|
||||
block.setAttribute('class', 'back-action');
|
||||
block.appendChild(link);
|
||||
var toc = document.getElementById('toc');
|
||||
var next = document.getElementById('toctitle').nextElementSibling;
|
||||
toc.insertBefore(block, next);
|
||||
}
|
||||
}
|
||||
|
||||
var headerHtml = '<div id="header-spring">\n' +
|
||||
'<h1>\n' +
|
||||
'<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0" y="0"\n' +
|
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'viewBox="0 0 245.8 45.3" style="enable-background:new 0 0 245.8 45.3;" xml:space="preserve">\n' +
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'<g id="logos">\n' +
|
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'<g>\n' +
|
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'<path class="st0" d="M39.4,3.7c-0.6,1.5-1.4,2.8-2.3,4c-3.9-4-9.3-6.4-15.2-6.4c-11.7,0-21.3,9.5-21.3,21.3\n' +
|
||||
'c0,6.2,2.6,11.7,6.8,15.6l0.8,0.7c3.7,3.1,8.5,5,13.7,5c11.2,0,20.4-8.7,21.2-19.8C43.7,18.7,42.1,11.8,39.4,3.7z M10.5,38.3\n' +
|
||||
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|
||||
'c-5.2,7-16.5,4.6-23.6,5c0,0-1.3,0.1-2.6,0.3c0,0,0.5-0.2,1.1-0.4c5-1.7,7.4-2.1,10.5-3.7c5.8-3,11.5-9.4,12.7-16.1\n' +
|
||||
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|
||||
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|
||||
'<g>\n' +
|
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'<path class="st0" d="M55.2,30.9c-0.5-0.3-0.9-0.9-0.9-1.6c0-1.1,0.8-1.9,1.9-1.9c0.4,0,0.7,0.1,1,0.3c2,1.3,4.1,2,5.9,2\n' +
|
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|
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|
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|
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|
||||
'z"/>\n' +
|
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'<path class="st0" d="M116.9,14.3c0-1.3,1-2.4,2.3-2.4c1.3,0,2.4,1.1,2.4,2.4v1c1.3-1.9,3.2-3.4,6.5-3.4c4.7,0,7.4,3.1,7.4,7.9V31\n' +
|
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|
||||
'c-1.3,0-2.3-1-2.3-2.3V14.3z"/>\n' +
|
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'<path class="st0" d="M156.2,11.9c-1.3,0-2.4,1.1-2.4,2.4v1.4c-1.5-2.2-3.7-3.9-7-3.9c-4.9,0-9.6,3.8-9.6,10.7v0.1\n' +
|
||||
'c0,6.8,4.7,10.7,9.6,10.7c3.4,0,5.6-1.7,7-3.6c-0.2,3.7-2.5,5.7-6.5,5.7c-2.4,0-4.5-0.6-6.3-1.6c-0.2-0.1-0.5-0.2-0.9-0.2\n' +
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'<g class="st1">\n' +
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'<g>\n' +
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'<g>\n' +
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'<g>\n' +
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'<path class="st2" d="M200.1,21.1H198V19h2.1V21.1z M200.1,32.9H198V22.6h2.1V32.9z"/>\n' +
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'</g>\n' +
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'<g>\n' +
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'<g>\n' +
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'<path class="st2" d="M212.5,22.6l-3,8.9c-0.5,1.5-1.4,1.6-2.2,1.6c-1.1,0-1.8-0.5-2.2-1.6l-2.5-7.4h-1v-1.5h2.6l2.6,8.3\n' +
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'c0.1,0.4,0.2,0.6,0.5,0.6c0.3,0,0.4-0.2,0.5-0.6l2.6-8.3H212.5z"/>\n' +
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||||
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||||
'C215.1,30.2,216,31.4,217.8,31.4"/>\n' +
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||||
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|
||||
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|
||||
'</g>\n' +
|
||||
'</g>\n' +
|
||||
'</g>\n' +
|
||||
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|
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'<g>\n' +
|
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'<path class="st2" d="M167.7,32.9v-10h1.1v3.8c0.6-0.8,1.5-1.3,2.4-1.3c1.9,0,3.2,1.5,3.2,3.8c0,2.4-1.3,3.8-3.2,3.8\n' +
|
||||
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||||
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|
||||
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|
||||
'</g>\n' +
|
||||
'</g>\n' +
|
||||
'</g>\n' +
|
||||
'</svg>\n' +
|
||||
'\n' +
|
||||
'</h1>\n' +
|
||||
'</div>';
|
||||
|
||||
var header = document.createElement("div");
|
||||
header.innerHTML = headerHtml;
|
||||
document.body.insertBefore(header, document.body.firstChild);
|
||||
@@ -0,0 +1 @@
|
||||
.toc{overflow-y:auto}.toc>.toc-list{overflow:hidden;position:relative}.toc>.toc-list li{list-style:none}.toc-list{margin:0;padding-left:10px}a.toc-link{color:currentColor;height:100%}.is-collapsible{max-height:1000px;overflow:hidden;transition:all 300ms ease-in-out}.is-collapsed{max-height:0}.is-position-fixed{position:fixed !important;top:0}.is-active-link{font-weight:700}.toc-link::before{background-color:#EEE;content:' ';display:inline-block;height:inherit;left:0;margin-top:-1px;position:absolute;width:2px}.is-active-link::before{background-color:#54BC4B}
|
||||
1
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/tocbot/tocbot.min.js
vendored
Normal file
1
spring-cloud-consul/2.2.0.M2/reference/htmlsingle/js/tocbot/tocbot.min.js
vendored
Normal file
File diff suppressed because one or more lines are too long
Reference in New Issue
Block a user