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<li class="toctree-l1 current"><a class="current reference internal" href="#">28. Saving output streams</a><ul>
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<li class="breadcrumb-item active"><span class="section-number">28. </span>Saving output streams</li>
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<section id="saving-output-streams">
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<h1><span class="section-number">28. </span>Saving output streams<a class="headerlink" href="#saving-output-streams" title="Permalink to this heading">¶</a></h1>
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<section id="description">
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<h2><span class="section-number">28.1. </span>Description<a class="headerlink" href="#description" title="Permalink to this heading">¶</a></h2>
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<p>Since version 4.8.0 cdist, by default, saves output streams to local cache.
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Saving output streams is implemented because important information was lost
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during a config run, hidden in all other output.
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Now all created output is bound to the context where it was produced.</p>
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<p>Saving output streams include stdout and stderr of init manifest, remote
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commands and for each object stdout and stderr of manifest, gencode-* and code-*.
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Output stream files are created only if some output is produced. For more info
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on these cache files see <a class="reference external" href="cdist-cache.html">Local cache overview</a>.</p>
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<p>Also, in case of an error, cdist can now exit and show all information it has
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about the error.</p>
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<p>For example:</p>
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<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>./bin/cdist<span class="w"> </span>config<span class="w"> </span>-v<span class="w"> </span>-i<span class="w"> </span>~/.cdist/manifest/init-output-streams<span class="w"> </span><span class="k">$(</span>cat<span class="w"> </span>~/ungleich/data/opennebula-debian9-test<span class="w"> </span><span class="k">)</span>
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INFO:<span class="w"> </span><span class="m">185</span>.203.112.42:<span class="w"> </span>Starting<span class="w"> </span>configuration<span class="w"> </span>run
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INFO:<span class="w"> </span><span class="m">185</span>.203.112.42:<span class="w"> </span>Processing<span class="w"> </span>__myline/test
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ERROR:<span class="w"> </span><span class="m">185</span>.203.112.42:<span class="w"> </span>Command<span class="w"> </span>failed:<span class="w"> </span><span class="s1">'/bin/sh -e /tmp/tmpow6cwemh/75ee6a79e32da093da23fe4a13dd104b/data/object/__myline/test/.cdist-kisrqlpw/code-local'</span>
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<span class="k">return</span><span class="w"> </span>code:<span class="w"> </span><span class="m">1</span>
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----<span class="w"> </span>BEGIN<span class="w"> </span>stdout<span class="w"> </span>----
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----<span class="w"> </span>END<span class="w"> </span>stdout<span class="w"> </span>----
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Error<span class="w"> </span>processing<span class="w"> </span>object<span class="w"> </span><span class="s1">'__myline/test'</span>
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<span class="o">========================================</span>
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name:<span class="w"> </span>__myline/test
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path:<span class="w"> </span>/tmp/tmpow6cwemh/75ee6a79e32da093da23fe4a13dd104b/data/object/__myline/test/.cdist-kisrqlpw
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source:<span class="w"> </span>/home/darko/.cdist/manifest/init-output-streams
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type:<span class="w"> </span>/tmp/tmpow6cwemh/75ee6a79e32da093da23fe4a13dd104b/data/conf/type/__myline
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----<span class="w"> </span>BEGIN<span class="w"> </span>manifest:stderr<span class="w"> </span>----
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myline<span class="w"> </span>manifest<span class="w"> </span>stderr
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----<span class="w"> </span>END<span class="w"> </span>manifest:stderr<span class="w"> </span>----
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----<span class="w"> </span>BEGIN<span class="w"> </span>gencode-remote:stderr<span class="w"> </span>----
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<span class="nb">test</span><span class="w"> </span>gencode-remote<span class="w"> </span>error
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----<span class="w"> </span>END<span class="w"> </span>gencode-remote:stderr<span class="w"> </span>----
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----<span class="w"> </span>BEGIN<span class="w"> </span>code-local:stderr<span class="w"> </span>----
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error
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----<span class="w"> </span>END<span class="w"> </span>code-local:stderr<span class="w"> </span>----
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ERROR:<span class="w"> </span>cdist:<span class="w"> </span>Failed<span class="w"> </span>to<span class="w"> </span>configure<span class="w"> </span>the<span class="w"> </span>following<span class="w"> </span>hosts:<span class="w"> </span><span class="m">185</span>.203.112.42
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</pre></div>
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</div>
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<p>Upon successful run execution state is saved to local cache and temporary
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directory is removed.
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In case of an error temporary directory is not removed and can be further
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discovered.</p>
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<p>There is also an option <strong>-S/--disable-saving-output-streams</strong> for
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disabling saving output streams. In this case error reporting can look
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like this:</p>
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<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>./bin/cdist<span class="w"> </span>config<span class="w"> </span>-v<span class="w"> </span>-S<span class="w"> </span>-i<span class="w"> </span>~/.cdist/manifest/init-output-streams<span class="w"> </span><span class="k">$(</span>cat<span class="w"> </span>~/ungleich/data/opennebula-debian9-test<span class="w"> </span><span class="k">)</span>
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INFO:<span class="w"> </span><span class="m">185</span>.203.112.42:<span class="w"> </span>Starting<span class="w"> </span>configuration<span class="w"> </span>run
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<span class="nb">test</span><span class="w"> </span>stdout<span class="w"> </span>output<span class="w"> </span>streams
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<span class="nb">test</span><span class="w"> </span>stderr<span class="w"> </span>output<span class="w"> </span>streams
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myline<span class="w"> </span>manifest<span class="w"> </span>stdout
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myline<span class="w"> </span>manifest<span class="w"> </span>stderr
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<span class="nb">test</span><span class="w"> </span>gencode-remote<span class="w"> </span>error
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INFO:<span class="w"> </span><span class="m">185</span>.203.112.42:<span class="w"> </span>Processing<span class="w"> </span>__myline/test
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error
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ERROR:<span class="w"> </span><span class="m">185</span>.203.112.42:<span class="w"> </span>Command<span class="w"> </span>failed:<span class="w"> </span><span class="s1">'/bin/sh -e /tmp/tmpzomy0wis/75ee6a79e32da093da23fe4a13dd104b/data/object/__myline/test/.cdist-n566pqut/code-local'</span>
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<span class="k">return</span><span class="w"> </span>code:<span class="w"> </span><span class="m">1</span>
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----<span class="w"> </span>BEGIN<span class="w"> </span>stdout<span class="w"> </span>----
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----<span class="w"> </span>END<span class="w"> </span>stdout<span class="w"> </span>----
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Error<span class="w"> </span>processing<span class="w"> </span>object<span class="w"> </span><span class="s1">'__myline/test'</span>
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<span class="o">========================================</span>
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name:<span class="w"> </span>__myline/test
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path:<span class="w"> </span>/tmp/tmpzomy0wis/75ee6a79e32da093da23fe4a13dd104b/data/object/__myline/test/.cdist-n566pqut
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source:<span class="w"> </span>/home/darko/.cdist/manifest/init-output-streams
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type:<span class="w"> </span>/tmp/tmpzomy0wis/75ee6a79e32da093da23fe4a13dd104b/data/conf/type/__myline
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ERROR:<span class="w"> </span>cdist:<span class="w"> </span>Failed<span class="w"> </span>to<span class="w"> </span>configure<span class="w"> </span>the<span class="w"> </span>following<span class="w"> </span>hosts:<span class="w"> </span><span class="m">185</span>.203.112.42
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</pre></div>
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