SpringCloud/spring-cloud-sleuth
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Sync docs from 1.0.x to gh-pages

Browse Source
This commit is contained in:
buildmaster
2016-08-19 11:27:41 +00:00
parent 95eee24292
commit 4cce5bbe4e
1 changed files with 40 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
1.0.x/index.html
View File

@@ -451,6 +451,7 @@ body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-b
<li><a href="#_spring_integration">Spring Integration</a></li>
<li><a href="#_http">HTTP</a></li>
<li><a href="#_example">Example</a></li>
<li><a href="#_custom_sa_tag_in_zipkin">Custom SA tag in Zipkin</a></li>
</ul>
</li>
<li><a href="#_span_data_as_messages">Span Data as Messages</a>
@@ -1804,6 +1805,44 @@ SpanInjector&lt;HttpServletResponse&gt; customHttpServletResponseSpanInjector()
</div>
</div>
</div>
<div class="sect2">
<h3 id="_custom_sa_tag_in_zipkin">Custom SA tag in Zipkin</h3>
<div class="paragraph">
<p>Sometimes you want to create a manual Span that will wrap a call to an external service which is not instrumented.
What you can do is to create a span with the <code>peer.service</code> tag that will contain a value of the service that you want to call.
Below you can see an example of a call to Redis that is wrapped in such a span.</p>
</div>
<div class="listingblock">
<div class="content">
<pre class="highlight"><code class="language-java" data-lang="java">org.springframework.cloud.sleuth.Span newSpan = tracer.createSpan("redis");
try {
newSpan.tag("redis.op", "get");
newSpan.tag("lc", "redis");
newSpan.logEvent(org.springframework.cloud.sleuth.Span.CLIENT_SEND);
// call redis service e.g
// return (SomeObj) redisTemplate.opsForHash().get("MYHASH", someObjKey);
} finally {
newSpan.tag("peer.service", "redisService");
newSpan.tag("peer.ipv4", "1.2.3.4");
newSpan.tag("peer.port", "1234");
newSpan.logEvent(org.springframework.cloud.sleuth.Span.CLIENT_RECV);
tracer.close(newSpan);
}</code></pre>
</div>
</div>
<div class="admonitionblock important">
<table>
<tr>
<td class="icon">
<div class="title">Important</div>
</td>
<td class="content">
Remember not to add both <code>peer.service</code> tag and the <code>SA</code> tag! You have to add only <code>peer.service</code>.
</td>
</tr>
</table>
</div>
</div>
</div>
</div>
<div class="sect1">
@@ -2260,7 +2299,7 @@ To disable Zuul support set the <code>spring.sleuth.zuul.enabled</code> property
</div>
<div id="footer">
<div id="footer-text">
Last updated 2016-08-19 09:47:37 UTC
Last updated 2016-08-19 11:25:52 UTC
</div>
</div>
</body>