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Added new deployer experimental module

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This commit is contained in:
Oleg Zhurakousky
2019-08-05 17:04:30 +02:00
parent 38981003b9
commit 203687e45f
15 changed files with 1203 additions and 0 deletions
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1
pom.xml
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@@ -60,6 +60,7 @@
<module>spring-cloud-starter-function-webflux</module>
<module>spring-cloud-function-samples</module>
<module>spring-cloud-function-deployer</module>
<module>spring-cloud-function-deployer-new</module>
<module>spring-cloud-function-adapters</module>
<module>spring-cloud-function-kotlin</module>
<module>docs</module>

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spring-cloud-function-deployer-new/.gitignore vendored Normal file
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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**
!**/src/test/**
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
### VS Code ###
.vscode/

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spring-cloud-function-deployer-new/.mvn/wrapper/MavenWrapperDownloader.java vendored Normal file
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/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
https://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
*/
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.URL;
import java.nio.channels.Channels;
import java.nio.channels.ReadableByteChannel;
import java.util.Properties;
public class MavenWrapperDownloader {
/**
* Default URL to download the maven-wrapper.jar from, if no 'downloadUrl' is provided.
*/
private static final String DEFAULT_DOWNLOAD_URL =
"https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar";
/**
* Path to the maven-wrapper.properties file, which might contain a downloadUrl property to
* use instead of the default one.
*/
private static final String MAVEN_WRAPPER_PROPERTIES_PATH =
".mvn/wrapper/maven-wrapper.properties";
/**
* Path where the maven-wrapper.jar will be saved to.
*/
private static final String MAVEN_WRAPPER_JAR_PATH =
".mvn/wrapper/maven-wrapper.jar";
/**
* Name of the property which should be used to override the default download url for the wrapper.
*/
private static final String PROPERTY_NAME_WRAPPER_URL = "wrapperUrl";
public static void main(String args[]) {
System.out.println("- Downloader started");
File baseDirectory = new File(args[0]);
System.out.println("- Using base directory: " + baseDirectory.getAbsolutePath());
// If the maven-wrapper.properties exists, read it and check if it contains a custom
// wrapperUrl parameter.
File mavenWrapperPropertyFile = new File(baseDirectory, MAVEN_WRAPPER_PROPERTIES_PATH);
String url = DEFAULT_DOWNLOAD_URL;
if(mavenWrapperPropertyFile.exists()) {
FileInputStream mavenWrapperPropertyFileInputStream = null;
try {
mavenWrapperPropertyFileInputStream = new FileInputStream(mavenWrapperPropertyFile);
Properties mavenWrapperProperties = new Properties();
mavenWrapperProperties.load(mavenWrapperPropertyFileInputStream);
url = mavenWrapperProperties.getProperty(PROPERTY_NAME_WRAPPER_URL, url);
} catch (IOException e) {
System.out.println("- ERROR loading '" + MAVEN_WRAPPER_PROPERTIES_PATH + "'");
} finally {
try {
if(mavenWrapperPropertyFileInputStream != null) {
mavenWrapperPropertyFileInputStream.close();
}
} catch (IOException e) {
// Ignore ...
}
}
}
System.out.println("- Downloading from: : " + url);
File outputFile = new File(baseDirectory.getAbsolutePath(), MAVEN_WRAPPER_JAR_PATH);
if(!outputFile.getParentFile().exists()) {
if(!outputFile.getParentFile().mkdirs()) {
System.out.println(
"- ERROR creating output direcrory '" + outputFile.getParentFile().getAbsolutePath() + "'");
}
}
System.out.println("- Downloading to: " + outputFile.getAbsolutePath());
try {
downloadFileFromURL(url, outputFile);
System.out.println("Done");
System.exit(0);
} catch (Throwable e) {
System.out.println("- Error downloading");
e.printStackTrace();
System.exit(1);
}
}
private static void downloadFileFromURL(String urlString, File destination) throws Exception {
URL website = new URL(urlString);
ReadableByteChannel rbc;
rbc = Channels.newChannel(website.openStream());
FileOutputStream fos = new FileOutputStream(destination);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();
rbc.close();
}
}

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spring-cloud-function-deployer-new/.mvn/wrapper/maven-wrapper.properties vendored Normal file
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distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.6.0/apache-maven-3.6.0-bin.zip

286
spring-cloud-function-deployer-new/mvnw vendored Executable file
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@@ -0,0 +1,286 @@
#!/bin/sh
# ----------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ----------------------------------------------------------------------------
# ----------------------------------------------------------------------------
# Maven2 Start Up Batch script
#
# Required ENV vars:
# ------------------
# JAVA_HOME - location of a JDK home dir
#
# Optional ENV vars
# -----------------
# M2_HOME - location of maven2's installed home dir
# MAVEN_OPTS - parameters passed to the Java VM when running Maven
# e.g. to debug Maven itself, use
# set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
# MAVEN_SKIP_RC - flag to disable loading of mavenrc files
# ----------------------------------------------------------------------------
if [ -z "$MAVEN_SKIP_RC" ] ; then
if [ -f /etc/mavenrc ] ; then
. /etc/mavenrc
fi
if [ -f "$HOME/.mavenrc" ] ; then
. "$HOME/.mavenrc"
fi
fi
# OS specific support. $var _must_ be set to either true or false.
cygwin=false;
darwin=false;
mingw=false
case "`uname`" in
CYGWIN*) cygwin=true ;;
MINGW*) mingw=true;;
Darwin*) darwin=true
# Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home
# See https://developer.apple.com/library/mac/qa/qa1170/_index.html
if [ -z "$JAVA_HOME" ]; then
if [ -x "/usr/libexec/java_home" ]; then
export JAVA_HOME="`/usr/libexec/java_home`"
else
export JAVA_HOME="/Library/Java/Home"
fi
fi
;;
esac
if [ -z "$JAVA_HOME" ] ; then
if [ -r /etc/gentoo-release ] ; then
JAVA_HOME=`java-config --jre-home`
fi
fi
if [ -z "$M2_HOME" ] ; then
## resolve links - $0 may be a link to maven's home
PRG="$0"
# need this for relative symlinks
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG="`dirname "$PRG"`/$link"
fi
done
saveddir=`pwd`
M2_HOME=`dirname "$PRG"`/..
# make it fully qualified
M2_HOME=`cd "$M2_HOME" && pwd`
cd "$saveddir"
# echo Using m2 at $M2_HOME
fi
# For Cygwin, ensure paths are in UNIX format before anything is touched
if $cygwin ; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --unix "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --unix "$CLASSPATH"`
fi
# For Mingw, ensure paths are in UNIX format before anything is touched
if $mingw ; then
[ -n "$M2_HOME" ] &&
M2_HOME="`(cd "$M2_HOME"; pwd)`"
[ -n "$JAVA_HOME" ] &&
JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`"
# TODO classpath?
fi
if [ -z "$JAVA_HOME" ]; then
javaExecutable="`which javac`"
if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then
# readlink(1) is not available as standard on Solaris 10.
readLink=`which readlink`
if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then
if $darwin ; then
javaHome="`dirname \"$javaExecutable\"`"
javaExecutable="`cd \"$javaHome\" && pwd -P`/javac"
else
javaExecutable="`readlink -f \"$javaExecutable\"`"
fi
javaHome="`dirname \"$javaExecutable\"`"
javaHome=`expr "$javaHome" : '\(.*\)/bin'`
JAVA_HOME="$javaHome"
export JAVA_HOME
fi
fi
fi
if [ -z "$JAVACMD" ] ; then
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
else
JAVACMD="`which java`"
fi
fi
if [ ! -x "$JAVACMD" ] ; then
echo "Error: JAVA_HOME is not defined correctly." >&2
echo " We cannot execute $JAVACMD" >&2
exit 1
fi
if [ -z "$JAVA_HOME" ] ; then
echo "Warning: JAVA_HOME environment variable is not set."
fi
CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher
# traverses directory structure from process work directory to filesystem root
# first directory with .mvn subdirectory is considered project base directory
find_maven_basedir() {
if [ -z "$1" ]
then
echo "Path not specified to find_maven_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ] ; do
if [ -d "$wdir"/.mvn ] ; then
basedir=$wdir
break
fi
# workaround for JBEAP-8937 (on Solaris 10/Sparc)
if [ -d "${wdir}" ]; then
wdir=`cd "$wdir/.."; pwd`
fi
# end of workaround
done
echo "${basedir}"
}
# concatenates all lines of a file
concat_lines() {
if [ -f "$1" ]; then
echo "$(tr -s '\n' ' ' < "$1")"
fi
}
BASE_DIR=`find_maven_basedir "$(pwd)"`
if [ -z "$BASE_DIR" ]; then
exit 1;
fi
##########################################################################################
# Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
# This allows using the maven wrapper in projects that prohibit checking in binary data.
##########################################################################################
if [ -r "$BASE_DIR/.mvn/wrapper/maven-wrapper.jar" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found .mvn/wrapper/maven-wrapper.jar"
fi
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Couldn't find .mvn/wrapper/maven-wrapper.jar, downloading it ..."
fi
jarUrl="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
while IFS="=" read key value; do
case "$key" in (wrapperUrl) jarUrl="$value"; break ;;
esac
done < "$BASE_DIR/.mvn/wrapper/maven-wrapper.properties"
if [ "$MVNW_VERBOSE" = true ]; then
echo "Downloading from: $jarUrl"
fi
wrapperJarPath="$BASE_DIR/.mvn/wrapper/maven-wrapper.jar"
if command -v wget > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found wget ... using wget"
fi
wget "$jarUrl" -O "$wrapperJarPath"
elif command -v curl > /dev/null; then
if [ "$MVNW_VERBOSE" = true ]; then
echo "Found curl ... using curl"
fi
curl -o "$wrapperJarPath" "$jarUrl"
else
if [ "$MVNW_VERBOSE" = true ]; then
echo "Falling back to using Java to download"
fi
javaClass="$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.java"
if [ -e "$javaClass" ]; then
if [ ! -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Compiling MavenWrapperDownloader.java ..."
fi
# Compiling the Java class
("$JAVA_HOME/bin/javac" "$javaClass")
fi
if [ -e "$BASE_DIR/.mvn/wrapper/MavenWrapperDownloader.class" ]; then
# Running the downloader
if [ "$MVNW_VERBOSE" = true ]; then
echo " - Running MavenWrapperDownloader.java ..."
fi
("$JAVA_HOME/bin/java" -cp .mvn/wrapper MavenWrapperDownloader "$MAVEN_PROJECTBASEDIR")
fi
fi
fi
fi
##########################################################################################
# End of extension
##########################################################################################
export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"}
if [ "$MVNW_VERBOSE" = true ]; then
echo $MAVEN_PROJECTBASEDIR
fi
MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS"
# For Cygwin, switch paths to Windows format before running java
if $cygwin; then
[ -n "$M2_HOME" ] &&
M2_HOME=`cygpath --path --windows "$M2_HOME"`
[ -n "$JAVA_HOME" ] &&
JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"`
[ -n "$CLASSPATH" ] &&
CLASSPATH=`cygpath --path --windows "$CLASSPATH"`
[ -n "$MAVEN_PROJECTBASEDIR" ] &&
MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"`
fi
WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
exec "$JAVACMD" \
$MAVEN_OPTS \
-classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \
"-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \
${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@"

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spring-cloud-function-deployer-new/mvnw.cmd vendored Normal file
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@REM ----------------------------------------------------------------------------
@REM Licensed to the Apache Software Foundation (ASF) under one
@REM or more contributor license agreements. See the NOTICE file
@REM distributed with this work for additional information
@REM regarding copyright ownership. The ASF licenses this file
@REM to you under the Apache License, Version 2.0 (the
@REM "License"); you may not use this file except in compliance
@REM with the License. You may obtain a copy of the License at
@REM
@REM https://www.apache.org/licenses/LICENSE-2.0
@REM
@REM Unless required by applicable law or agreed to in writing,
@REM software distributed under the License is distributed on an
@REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
@REM KIND, either express or implied. See the License for the
@REM specific language governing permissions and limitations
@REM under the License.
@REM ----------------------------------------------------------------------------
@REM ----------------------------------------------------------------------------
@REM Maven2 Start Up Batch script
@REM
@REM Required ENV vars:
@REM JAVA_HOME - location of a JDK home dir
@REM
@REM Optional ENV vars
@REM M2_HOME - location of maven2's installed home dir
@REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands
@REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending
@REM MAVEN_OPTS - parameters passed to the Java VM when running Maven
@REM e.g. to debug Maven itself, use
@REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000
@REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files
@REM ----------------------------------------------------------------------------
@REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on'
@echo off
@REM set title of command window
title %0
@REM enable echoing my setting MAVEN_BATCH_ECHO to 'on'
@if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO%
@REM set %HOME% to equivalent of $HOME
if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%")
@REM Execute a user defined script before this one
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre
@REM check for pre script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat"
if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd"
:skipRcPre
@setlocal
set ERROR_CODE=0
@REM To isolate internal variables from possible post scripts, we use another setlocal
@setlocal
@REM ==== START VALIDATION ====
if not "%JAVA_HOME%" == "" goto OkJHome
echo.
echo Error: JAVA_HOME not found in your environment. >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
:OkJHome
if exist "%JAVA_HOME%\bin\java.exe" goto init
echo.
echo Error: JAVA_HOME is set to an invalid directory. >&2
echo JAVA_HOME = "%JAVA_HOME%" >&2
echo Please set the JAVA_HOME variable in your environment to match the >&2
echo location of your Java installation. >&2
echo.
goto error
@REM ==== END VALIDATION ====
:init
@REM Find the project base dir, i.e. the directory that contains the folder ".mvn".
@REM Fallback to current working directory if not found.
set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR%
IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir
set EXEC_DIR=%CD%
set WDIR=%EXEC_DIR%
:findBaseDir
IF EXIST "%WDIR%"\.mvn goto baseDirFound
cd ..
IF "%WDIR%"=="%CD%" goto baseDirNotFound
set WDIR=%CD%
goto findBaseDir
:baseDirFound
set MAVEN_PROJECTBASEDIR=%WDIR%
cd "%EXEC_DIR%"
goto endDetectBaseDir
:baseDirNotFound
set MAVEN_PROJECTBASEDIR=%EXEC_DIR%
cd "%EXEC_DIR%"
:endDetectBaseDir
IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig
@setlocal EnableExtensions EnableDelayedExpansion
for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a
@endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS%
:endReadAdditionalConfig
SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe"
set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar"
set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain
set DOWNLOAD_URL="https://repo.maven.apache.org/maven2/io/takari/maven-wrapper/0.4.2/maven-wrapper-0.4.2.jar"
FOR /F "tokens=1,2 delims==" %%A IN (%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.properties) DO (
IF "%%A"=="wrapperUrl" SET DOWNLOAD_URL=%%B
)
@REM Extension to allow automatically downloading the maven-wrapper.jar from Maven-central
@REM This allows using the maven wrapper in projects that prohibit checking in binary data.
if exist %WRAPPER_JAR% (
echo Found %WRAPPER_JAR%
) else (
echo Couldn't find %WRAPPER_JAR%, downloading it ...
echo Downloading from: %DOWNLOAD_URL%
powershell -Command "(New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%WRAPPER_JAR%')"
echo Finished downloading %WRAPPER_JAR%
)
@REM End of extension
%MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %*
if ERRORLEVEL 1 goto error
goto end
:error
set ERROR_CODE=1
:end
@endlocal & set ERROR_CODE=%ERROR_CODE%
if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost
@REM check for post script, once with legacy .bat ending and once with .cmd ending
if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat"
if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd"
:skipRcPost
@REM pause the script if MAVEN_BATCH_PAUSE is set to 'on'
if "%MAVEN_BATCH_PAUSE%" == "on" pause
if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE%
exit /B %ERROR_CODE%

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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-cloud-function-deployer-new</artifactId>
<packaging>jar</packaging>
<name>spring-cloud-function-deployer-new</name>
<description>Spring Cloud Function Web Support</description>
<parent>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-parent</artifactId>
<version>3.0.0.BUILD-SNAPSHOT</version>
</parent>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-loader</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-context</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
</dependencies>
<repositories>
<repository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</repository>
<repository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-milestones</id>
<name>Spring Milestones</name>
<url>https://repo.spring.io/milestone</url>
</pluginRepository>
<pluginRepository>
<id>spring-snapshots</id>
<name>Spring Snapshots</name>
<url>https://repo.spring.io/snapshot</url>
<snapshots>
<enabled>true</enabled>
</snapshots>
</pluginRepository>
</pluginRepositories>
</project>

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spring-cloud-function-deployer-new/src/main/java/org/springframework/cloud/function/deployer/ApplicationContainer.java Normal file
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/*
* Copyright 2019-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.deployer;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.catalog.FunctionInspector;
/**
*
* @author Oleg Zhurakousky
* @since 3.0
*/
public abstract class ApplicationContainer {
private final FunctionCatalog functionCatalog;
private final FunctionInspector functionInspector;
private final FunctionProperties functionProperties;
public ApplicationContainer(FunctionCatalog functionCatalog,
FunctionInspector functionInspector, FunctionProperties functionProperties) {
this.functionCatalog = functionCatalog;
this.functionInspector = functionInspector;
this.functionProperties = functionProperties;
}
protected FunctionCatalog getFunctionCatalog() {
return this.functionCatalog;
}
protected FunctionInspector getFunctionInspector() {
return this.functionInspector;
}
protected FunctionProperties getFunctionProperties() {
return this.functionProperties;
}
}

121
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/*
* Copyright 2019-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.deployer;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.security.AccessController;
import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.config.ConstructorArgumentValues;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.core.ResolvableType;
import org.springframework.core.io.Resource;
import org.springframework.core.type.MethodMetadata;
import org.springframework.util.ClassUtils;
import org.springframework.util.ReflectionUtils;
/**
* @author Oleg Zhurakousky
* @since 3.0
*/
abstract class DeployerContextUtils {
public static Type findType(BeanFactory beanFactory, String name) {
ConfigurableListableBeanFactory registry = (ConfigurableListableBeanFactory) beanFactory;
AbstractBeanDefinition definition = (AbstractBeanDefinition) registry.getBeanDefinition(name);
Object source = definition.getSource();
Type param = null;
if (source instanceof MethodMetadata) {
param = findBeanType(definition, ((MethodMetadata) source).getDeclaringClassName(), ((MethodMetadata) source).getMethodName());
}
else if (source instanceof Resource) {
param = registry.getType(name);
}
else {
ResolvableType type = (ResolvableType) getField(definition, "targetType");
if (type != null) {
param = type.getType();
}
}
return param;
}
private static Type findBeanType(AbstractBeanDefinition definition, String declaringClassName, String methodName) {
Class<?> factory = ClassUtils.resolveClassName(declaringClassName, null);
Class<?>[] params = getParamTypes(factory, definition);
Method method = ReflectionUtils.findMethod(factory, methodName,
params);
Type type = method.getGenericReturnType();
return type;
}
private static Class<?>[] getParamTypes(Class<?> factory,
AbstractBeanDefinition definition) {
if (definition instanceof RootBeanDefinition) {
RootBeanDefinition root = (RootBeanDefinition) definition;
for (Method method : getCandidateMethods(factory, root)) {
if (root.isFactoryMethod(method)) {
return method.getParameterTypes();
}
}
}
List<Class<?>> params = new ArrayList<>();
for (ConstructorArgumentValues.ValueHolder holder : definition
.getConstructorArgumentValues().getIndexedArgumentValues().values()) {
params.add(ClassUtils.resolveClassName(holder.getType(), null));
}
return params.toArray(new Class<?>[0]);
}
private static Method[] getCandidateMethods(final Class<?> factoryClass,
final RootBeanDefinition mbd) {
if (System.getSecurityManager() != null) {
return AccessController.doPrivileged(new PrivilegedAction<Method[]>() {
@Override
public Method[] run() {
return (mbd.isNonPublicAccessAllowed()
? ReflectionUtils.getAllDeclaredMethods(factoryClass)
: factoryClass.getMethods());
}
});
}
else {
return (mbd.isNonPublicAccessAllowed()
? ReflectionUtils.getAllDeclaredMethods(factoryClass)
: factoryClass.getMethods());
}
}
private static Object getField(Object target, String name) {
Field field = ReflectionUtils.findField(target.getClass(), name);
if (field == null) {
return null;
}
ReflectionUtils.makeAccessible(field);
return ReflectionUtils.getField(field, target);
}
}

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/*
* Copyright 2019-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.deployer;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.loader.JarLauncher;
import org.springframework.boot.loader.LaunchedURLClassLoader;
import org.springframework.boot.loader.archive.Archive;
import org.springframework.boot.loader.jar.JarFile;
import org.springframework.cloud.function.context.FunctionRegistration;
import org.springframework.cloud.function.context.FunctionRegistry;
import org.springframework.context.ApplicationContext;
import org.springframework.expression.Expression;
import org.springframework.expression.spel.standard.SpelExpressionParser;
import org.springframework.expression.spel.support.StandardEvaluationContext;
import org.springframework.expression.spel.support.StandardTypeLocator;
import org.springframework.util.StreamUtils;
/**
*
* @author Oleg Zhurakousky
* @since 3.0
*
*/
class ExternalFunctionJarLauncher extends JarLauncher {
private static Log logger = LogFactory.getLog(ExternalFunctionJarLauncher.class);
private final StandardEvaluationContext evalContext = new StandardEvaluationContext();
private final Archive archive;
ExternalFunctionJarLauncher(Archive archive) {
super(archive);
this.archive = archive;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
protected void deploy(ApplicationContext deployerContext, String[] args) {
ClassLoader currentLoader = Thread.currentThread().getContextClassLoader();
try {
this.launch(deployerContext, args);
Map<String, Object> functions = this.discoverFunctions();
if (logger.isInfoEnabled()) {
logger.info("Discovered functions: " + functions);
}
FunctionRegistry functionRegistry = deployerContext.getBean(FunctionRegistry.class);
for (Entry<String, Object> entry : functions.entrySet()) {
FunctionRegistration registration = new FunctionRegistration(entry.getValue(), entry.getKey());
Type type = this.findType(entry.getKey());
if (logger.isInfoEnabled()) {
logger.info("Registering function '" + entry.getKey() + "' of type '" + type
+ "' in FunctionRegistry.");
}
registration.type(type);
functionRegistry.register(registration);
}
}
catch (Exception e) {
throw new IllegalStateException("Failed to deploy archive " + archive, e);
}
finally {
Thread.currentThread().setContextClassLoader(currentLoader);
}
}
@Override
protected ClassLoader createClassLoader(URL[] urls) throws Exception {
String className = DeployerContextUtils.class.getName();
String classAsPath = className.replace('.', '/') + ".class";
byte[] fcuBytes = StreamUtils
.copyToByteArray(DeployerContextUtils.class.getClassLoader().getResourceAsStream(classAsPath));
/*
* While LaunchedURLClassLoader is completely disconnected with the current
* class loader, this will still allow it to see FunctionContextUtils
*/
return new ClassLoader(new LaunchedURLClassLoader(urls, null)) {
boolean functionContextUtilsLoaded;
@Override
protected Class<?> findClass(final String name) throws ClassNotFoundException {
if (!functionContextUtilsLoaded && className.equals(name)) {
Class<?> fcuClass = defineClass(name, fcuBytes, 0, fcuBytes.length);
this.functionContextUtilsLoaded = true;
return fcuClass;
}
return super.findClass(name);
}
};
}
private void launch(ApplicationContext deployerContext, String[] args) throws Exception {
JarFile.registerUrlProtocolHandler();
Thread.currentThread().setContextClassLoader(createClassLoader(getClassPathArchives()));
evalContext.setTypeLocator(new StandardTypeLocator(Thread.currentThread().getContextClassLoader()));
String mainClassName = getMainClass();
Class<?> mainClass = Thread.currentThread().getContextClassLoader().loadClass(mainClassName);
Class<?> bootAppClass = Thread.currentThread().getContextClassLoader()
.loadClass(SpringApplication.class.getName());
Method runMethod = bootAppClass.getDeclaredMethod("run", Class.class, String[].class);
Object applicationContext = runMethod.invoke(null, mainClass, (Object) args);
if (logger.isInfoEnabled()) {
logger.info("Application context for archive '" + archive.getUrl() + "' is created.");
}
evalContext.setVariable("context", applicationContext);
setBeanFactory(applicationContext);
}
private void setBeanFactory(Object applicationContext) throws Exception {
Expression parsed = new SpelExpressionParser().parseExpression("#context.getBeanFactory()");
Object beanFactory = parsed.getValue(evalContext);
evalContext.setVariable("bf", beanFactory);
}
private Type findType(String name) {
evalContext.setVariable("functionName", name);
String expr = "T(" + DeployerContextUtils.class.getName() + ").findType(#bf, #functionName)";
Expression parsed = new SpelExpressionParser().parseExpression(expr);
Object type = parsed.getValue(evalContext);
return (Type) type;
}
@SuppressWarnings("unchecked")
private Map<String, Object> discoverFunctions() throws Exception {
Map<String, Object> allFunctions = new HashMap<String, Object>();
Expression parsed = new SpelExpressionParser()
.parseExpression("#context.getBeansOfType(T(java.util.function.Function))");
allFunctions.putAll((Map<String, Object>) parsed.getValue(evalContext));
parsed = new SpelExpressionParser().parseExpression("#context.getBeansOfType(T(java.util.function.Supplier))");
allFunctions.putAll((Map<String, Object>) parsed.getValue(evalContext));
parsed = new SpelExpressionParser().parseExpression("#context.getBeansOfType(T(java.util.function.Consumer))");
allFunctions.putAll((Map<String, Object>) parsed.getValue(evalContext));
return allFunctions;
}
}

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/*
* Copyright 2019-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.deployer;
import java.io.File;
import java.lang.reflect.Constructor;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.loader.archive.Archive;
import org.springframework.boot.loader.archive.JarFileArchive;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.catalog.FunctionInspector;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.ConfigurableApplicationContext;
/**
*
* @author Oleg Zhurakousky
* @since 3.0
*/
@SpringBootApplication
@EnableConfigurationProperties(FunctionProperties.class)
public class FunctionDeployerBootstrap implements ApplicationContextAware {
public static FunctionDeployerBootstrap instance(String... args) {
ApplicationContext context = SpringApplication.run(FunctionDeployerBootstrap.class, args);
return context.getBean(FunctionDeployerBootstrap.class);
}
private ConfigurableApplicationContext applicationContext;
@Autowired
private FunctionProperties functionProperties;
@Autowired
private FunctionCatalog functionCatalog;
@Autowired
private FunctionInspector functionInspector;
@SuppressWarnings("unchecked")
public <T extends ApplicationContainer> T run(Class<?> configurationClass, String... args) {
try {
Archive archive = new JarFileArchive(new File(functionProperties.getLocation()));
ExternalFunctionJarLauncher launcher = new ExternalFunctionJarLauncher(archive);
launcher.deploy(this.applicationContext, args);
Constructor<? extends ApplicationContainer> applicationContainerCtr = (Constructor<? extends ApplicationContainer>) configurationClass
.getDeclaredConstructor(FunctionCatalog.class, FunctionInspector.class, FunctionProperties.class);
ApplicationContainer applicationContainer = applicationContainerCtr.newInstance(this.functionCatalog,
this.functionInspector, this.functionProperties);
return (T) applicationContainer;
}
catch (Exception e) {
throw new IllegalStateException("Failed to launch archive: " + functionProperties.getLocation(), e);
}
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = (ConfigurableApplicationContext) applicationContext;
}
}

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/*
* Copyright 2017-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.deployer;
import javax.annotation.PostConstruct;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.util.Assert;
/**
* Configuration properties for deciding how to locate the functional class to execute.
*
* @author Eric Bottard
*/
@ConfigurationProperties("spring.cloud.function")
public class FunctionProperties {
/**
* Location(s) of jar archives containing the supplier/function/consumer class to run.
*/
private String location;
private String functionName;
public void setFunctionName(String functionName) {
this.functionName = functionName;
}
public String getName() {
return this.functionName;
}
public String getLocation() {
return this.location;
}
public void setLocation(String location) {
this.location = location;
}
@PostConstruct
public void init() {
Assert.notNull(this.location, "No archive location provided, please configure spring.cloud.function.location as a jar or directory.");
}
}

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spring-cloud-function-deployer-new/src/test/java/org/springframework/cloud/function/deployer/sample/SampleInvoker.java Normal file
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/*
* Copyright 2017-2019 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.function.deployer.sample;
import java.util.function.Function;
import org.springframework.cloud.function.context.FunctionCatalog;
import org.springframework.cloud.function.context.catalog.FunctionInspector;
import org.springframework.cloud.function.deployer.ApplicationContainer;
import org.springframework.cloud.function.deployer.FunctionDeployerBootstrap;
import org.springframework.cloud.function.deployer.FunctionProperties;
/**
*
* @author Oleg Zhurakousky
* @since 3.0
*/
public class SampleInvoker extends ApplicationContainer {
public static void main(String[] args) throws Exception {
SampleInvoker invoker = FunctionDeployerBootstrap.instance(
"--spring.cloud.function.location=/Users/olegz/Downloads/simple-function-app/target/simple-function-app-0.0.1-SNAPSHOT.jar",
"--spring.cloud.function.function-name=uppercase")
.run(SampleInvoker.class, args);
System.out.println(invoker.uppercase("eric"));
System.out.println(invoker.uppercase("oleg"));
}
private Function<String, String> function;
public SampleInvoker(FunctionCatalog functionCatalog, FunctionInspector functionInspector,
FunctionProperties functionProperties) {
super(functionCatalog, functionInspector, functionProperties);
this.function = this.getFunctionCatalog().lookup(functionProperties.getName());
}
public String uppercase(String value) {
return this.function.apply(value);
}
}