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<div class="section" id="cdist-troubleshooting-7">
<h1>12. cdist-troubleshooting(7)<a class="headerlink" href="#cdist-troubleshooting-7" title="Permalink to this headline"></a></h1>
<p>Common problems and their solutions</p>
<p>Nico Schottelius &lt;<a class="reference external" href="mailto:nico-cdist--&#37;&#52;&#48;--schottelius&#46;org">nico-cdist--<span>&#64;</span>--schottelius<span>&#46;</span>org</a>&gt;</p>
<div class="section" id="error-in-manifest-is-not-considered-an-error-by-cdist">
<h2>12.1. ERROR IN MANIFEST IS NOT CONSIDERED AN ERROR BY CDIST<a class="headerlink" href="#error-in-manifest-is-not-considered-an-error-by-cdist" title="Permalink to this headline"></a></h2>
<p>Situation: You are executing other scripts from a manifest.
This script fails, but cdist does not recognise the error.
An example script would be something like this:</p>
<div class="highlight-sh"><div class="highlight"><pre><span></span>% cat ~/.cdist/manifest/init
<span class="s2">&quot;</span><span class="nv">$__manifest</span><span class="s2">/special&quot;</span>
% cat ~/.cdist/manifest/special
<span class="c1">#!/bin/sh</span>
<span class="nb">echo</span> <span class="s2">&quot;Here is an unclean exiting script&quot;</span>
somecommandthatdoesnotexist
<span class="nb">echo</span> <span class="s2">&quot;I continue here although previous command failed&quot;</span>
</pre></div>
</div>
<p>We can clearly see that <strong>somecommandthatdoesnotexist</strong>
will fail in ~/.cdist/manifest/special. But as the custom
script is not called with the -e flag (exit on failure) of shell,
it does not lead to an error. And thus cdist sees the exit 0
code of the last echo line instead of the failing command.</p>
<p>All scripts executed by cdist carry the -e flag.
To prevent the above from happening, there are three solutions available,
two of which can be used in the calling script:</p>
<div class="highlight-sh"><div class="highlight"><pre><span></span><span class="c1"># Execute as before, but abort on failure</span>
sh -e <span class="s2">&quot;</span><span class="nv">$__manifest</span><span class="s2">/special&quot;</span>
<span class="c1"># Source the script in our namespace, runs in a set -e environment:</span>
. <span class="s2">&quot;</span><span class="nv">$__manifest</span><span class="s2">/special&quot;</span>
</pre></div>
</div>
<p>The third solution is to include a shebang header in every script
you write to use the -e flag:</p>
<div class="highlight-sh"><div class="highlight"><pre><span></span>% cat ~/.cdist/manifest/special
<span class="c1">#!/bin/sh -e</span>
...
</pre></div>
</div>
</div>
<div class="section" id="see-also">
<h2>12.2. SEE ALSO<a class="headerlink" href="#see-also" title="Permalink to this headline"></a></h2>
<ul class="simple">
<li><a class="reference external" href="../man1/cdist.html">cdist(1)</a></li>
<li><a class="reference external" href="cdist-tutorial.html">cdist-tutorial(7)</a></li>
</ul>
</div>
<div class="section" id="copying">
<h2>12.3. COPYING<a class="headerlink" href="#copying" title="Permalink to this headline"></a></h2>
<p>Copyright (C) 2013 Nico Schottelius. Free use of this software is
granted under the terms of the GNU General Public License version 3 (GPLv3).</p>
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