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<li class="toctree-l1"><a class="reference internal" href="cdist-intro.html">1. cdist - usable configuration management</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-why.html">2. Why should I use cdist?</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-os.html">3. Supported Operating Systems</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-manifest.html">11. Manifest</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-type.html">12. cdist type</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-types.html">13. cdist types</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-stages.html">22. Execution stages</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-remote-exec-copy.html">23. Remote exec and copy commands</a></li>
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<li class="toctree-l1"><a class="reference internal" href="cdist-hacker.html">24. Hacking</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">25. Troubleshooting</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#error-in-manifest-is-not-considered-an-error-by-cdist">25.1. Error in manifest is not considered an error by cdist</a></li>
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<div class="section" id="troubleshooting">
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<h1>25. Troubleshooting<a class="headerlink" href="#troubleshooting" title="Permalink to this headline">¶</a></h1>
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<div class="section" id="error-in-manifest-is-not-considered-an-error-by-cdist">
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<h2>25.1. 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>
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<p>Situation: You are executing other scripts from a manifest.
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This script fails, but cdist does not recognise the error.
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An example script would be something like this:</p>
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<div class="highlight-sh"><div class="highlight"><pre><span></span>% cat ~/.cdist/manifest/init
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<span class="s2">"</span><span class="nv">$__manifest</span><span class="s2">/special"</span>
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% cat ~/.cdist/manifest/special
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<span class="c1">#!/bin/sh</span>
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<span class="nb">echo</span> <span class="s2">"Here is an unclean exiting script"</span>
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somecommandthatdoesnotexist
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<span class="nb">echo</span> <span class="s2">"I continue here although previous command failed"</span>
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</pre></div>
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<p>We can clearly see that <strong>somecommandthatdoesnotexist</strong>
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will fail in ~/.cdist/manifest/special. But as the custom
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script is not called with the -e flag (exit on failure) of shell,
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it does not lead to an error. And thus cdist sees the exit 0
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code of the last echo line instead of the failing command.</p>
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<p>All scripts executed by cdist carry the -e flag.
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To prevent the above from happening, there are three solutions available,
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two of which can be used in the calling script:</p>
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<div class="highlight-sh"><div class="highlight"><pre><span></span><span class="c1"># Execute as before, but abort on failure</span>
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sh -e <span class="s2">"</span><span class="nv">$__manifest</span><span class="s2">/special"</span>
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<span class="c1"># Source the script in our namespace, runs in a set -e environment:</span>
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. <span class="s2">"</span><span class="nv">$__manifest</span><span class="s2">/special"</span>
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</pre></div>
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</div>
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<p>The third solution is to include a shebang header in every script
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you write to use the -e flag:</p>
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<div class="highlight-sh"><div class="highlight"><pre><span></span>% cat ~/.cdist/manifest/special
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<span class="c1">#!/bin/sh -e</span>
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...
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</pre></div>
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