Author: buildbot
Date: Thu Sep 26 09:30:01 2013
New Revision: 879961
Log:
Staging update by buildbot for sling
Modified:
websites/staging/sling/trunk/content/ (props changed)
websites/staging/sling/trunk/content/documentation/bundles/sling-health-check-tool.html
Propchange: websites/staging/sling/trunk/content/
------------------------------------------------------------------------------
--- cms:source-revision (original)
+++ cms:source-revision Thu Sep 26 09:30:01 2013
@@ -1 +1 @@
-1525921
+1526427
Modified:
websites/staging/sling/trunk/content/documentation/bundles/sling-health-check-tool.html
==============================================================================
---
websites/staging/sling/trunk/content/documentation/bundles/sling-health-check-tool.html
(original)
+++
websites/staging/sling/trunk/content/documentation/bundles/sling-health-check-tool.html
Thu Sep 26 09:30:01 2013
@@ -90,7 +90,24 @@ check the health of live Sling systems,
information, Sling requests status, etc.</p>
<p>Health checks are easily extensible either by configuring the supplied
default <code>HealthCheck</code> services, by
supplying MBeans that expose the required attributes, or by implementing your
own <code>HealthCheck</code> services. </p>
-<p>The source code of the hc modules is at <a
href="http://svn.apache.org/repos/asf/sling/trunk/contrib/extensions/healthcheck";>http://svn.apache.org/repos/asf/sling/trunk/contrib/extensions/healthcheck</a>.</p>
+<p>See also:</p>
+<div class="codehilite"><pre><span class="o">*</span> <span
class="n">Source</span> <span class="n">code</span> <span class="n">at</span>
<span class="p">[</span><span class="n">http</span><span
class="p">:</span><span class="o">//</span><span class="n">svn</span><span
class="p">.</span><span class="n">apache</span><span class="p">.</span><span
class="n">org</span><span class="o">/</span><span class="n">repos</span><span
class="o">/</span><span class="n">asf</span><span class="o">/</span><span
class="n">sling</span><span class="o">/</span><span class="n">trunk</span><span
class="o">/</span><span class="n">contrib</span><span class="o">/</span><span
class="n">extensions</span><span class="o">/</span><span
class="n">healthcheck</span><span class="p">](</span><span
class="n">http</span><span class="p">:</span><span class="o">//</span><span
class="n">svn</span><span class="p">.</span><span class="n">apache</span><span
class="p">.</span><span class="n">org</span><span class="o">/</span>
<span class="n">repos</span><span class="o">/</span><span
class="n">asf</span><span class="o">/</span><span class="n">sling</span><span
class="o">/</span><span class="n">trunk</span><span class="o">/</span><span
class="n">contrib</span><span class="o">/</span><span
class="n">extensions</span><span class="o">/</span><span
class="n">healthcheck</span><span class="p">).</span>
+<span class="o">*</span> <span class="n">adaptTo</span> 2013 <span
class="n">slides</span> <span class="n">about</span> <span
class="n">Health</span> <span class="n">Checks</span> <span class="n">at</span>
<span class="p">[</span><span class="n">http</span><span
class="p">:</span><span class="o">//</span><span class="n">www</span><span
class="p">.</span><span class="n">slideshare</span><span
class="p">.</span><span class="n">net</span><span class="o">/</span><span
class="n">bdelacretaz</span><span class="o">/</span><span
class="n">slinghc</span><span class="o">-</span><span
class="n">bdelacretazadaptto2013</span><span class="p">](</span><span
class="n">http</span><span class="p">:</span><span class="o">//</span><span
class="n">www</span><span class="p">.</span><span
class="n">slideshare</span><span class="p">.</span><span
class="n">net</span><span class="o">/</span><span
class="n">bdelacretaz</span><span class="o">/</span><span
class="n">slinghc</span><span class="o">-</span><span c
lass="n">bdelacretazadaptto2013</span><span class="p">)</span>
+</pre></div>
+
+
+<h2 id="use-cases">Use cases</h2>
+<p>Health checks can be used for various purposes, for example:</p>
+<div class="codehilite"><pre><span class="o">*</span> <span
class="n">Verify</span> <span class="n">that</span> <span
class="n">performance</span> <span class="n">counters</span> <span
class="n">are</span> <span class="n">in</span> <span
class="n">range</span><span class="p">.</span>
+<span class="o">*</span> <span class="n">Run</span> <span
class="n">smoke</span> <span class="n">tests</span> <span class="n">at</span>
<span class="n">system</span> <span class="n">startup</span> <span
class="n">and</span> <span class="n">emit</span> <span
class="n">warnings</span> <span class="n">or</span> <span
class="n">disable</span> <span class="n">the</span> <span
class="n">instance</span> <span class="k">if</span> <span class="n">they</span>
<span class="n">fail</span><span class="p">.</span>
+<span class="o">*</span> <span class="n">Check</span> <span
class="n">that</span> <span class="n">all</span> <span class="n">OSGi</span>
<span class="n">bundles</span> <span class="n">are</span> <span
class="n">up</span> <span class="n">and</span> <span class="n">running</span>
+<span class="o">*</span> <span class="n">Check</span> <span
class="n">that</span> <span class="n">demo</span> <span
class="n">content</span> <span class="n">has</span> <span class="n">been</span>
<span class="n">removed</span> <span class="n">from</span> <span
class="n">a</span> <span class="n">production</span> <span
class="n">system</span>
+<span class="o">*</span> <span class="n">Check</span> <span
class="n">that</span> <span class="n">demo</span> <span
class="n">accounts</span> <span class="n">are</span> <span
class="n">disabled</span>
+<span class="o">*</span> <span class="n">Ping</span> <span
class="n">external</span> <span class="n">systems</span> <span
class="n">and</span> <span class="n">raise</span> <span class="n">alarms</span>
<span class="k">if</span> <span class="n">they</span> <span
class="n">are</span> <span class="n">down</span>
+</pre></div>
+
+
+<p>The health check subsystem uses tags to execute groups of health checks for
specific purposes.</p>
<h2 id="whats-a-healthcheck">What's a <code>HealthCheck</code> ?</h2>
<p>A <code>HealthCheck</code> is just an OSGi service that returns a
<code>Result</code>.</p>
<div class="codehilite"><pre><span class="n">public</span> <span
class="n">interface</span> <span class="n">HealthCheck</span> <span
class="p">{</span>
@@ -186,7 +203,7 @@ domain <code>org.apache.sling.healthchec
<p>See the example configurations of the
<code>org.apache.sling.hc.samples</code> for more details.</p>
<p><img src="jconsole-hc.jpg" style="max-width:700px" alt="JConsole showing
Sling Health Check MBeans"/></p>
<div class="timestamp" style="margin-top: 30px; font-size: 80%;
text-align: right;">
- Rev. 1524065 by bdelacretaz on Tue, 17 Sep 2013 14:29:29 +0000
+ Rev. 1526427 by bdelacretaz on Thu, 26 Sep 2013 09:29:49 +0000
</div>
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