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<section id="local-cache-overview">
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<h1><span class="section-number">27. </span>Local cache overview<a class="headerlink" href="#local-cache-overview" title="Permalink to this heading">¶</a></h1>
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<section id="description">
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<h2><span class="section-number">27.1. </span>Description<a class="headerlink" href="#description" title="Permalink to this heading">¶</a></h2>
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<p>While executing, cdist stores data to local cache. Currently this feature is
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one way only. That means that cdist does not use stored data for future runs.
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Anyway, those data can be used for debugging cdist, debugging types and
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debugging after host configuration fails.</p>
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<p>Local cache is saved under $HOME/.cdist/cache directory, one directory entry
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for each host. Subdirectory path is specified by
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<strong>-C/--cache-path-pattern</strong> option, <strong>cache_path_pattern</strong>
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configuration option or by using <strong>CDIST_CACHE_PATH_PATTERN</strong>
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environment variable.</p>
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<p>For more info on cache path pattern see <strong>CACHE PATH PATTERN FORMAT</strong>
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section in cdist man page.</p>
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</section>
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<section id="cache-overview">
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<h2><span class="section-number">27.2. </span>Cache overview<a class="headerlink" href="#cache-overview" title="Permalink to this heading">¶</a></h2>
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<p>As noted above each configured host has got its subdirectory in local cache.
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Entries in host's cache directory are as follows.</p>
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<dl class="simple">
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<dt>bin</dt><dd><p>directory with cdist type emulators</p>
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</dd>
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<dt>conf</dt><dd><p>dynamically determined cdist conf directory, union of all specified
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conf directories</p>
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</dd>
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<dt>explorer</dt><dd><p>directory containing global explorer named files containing explorer output
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after running on target host</p>
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</dd>
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<dt>messages</dt><dd><p>file containing messages</p>
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</dd>
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<dt>object</dt><dd><p>directory containing subdirectory for each cdist object</p>
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</dd>
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<dt>object_marker</dt><dd><p>object marker for this particular cdist run</p>
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</dd>
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<dt>stderr</dt><dd><p>directory containing init manifest and remote stderr stream output</p>
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</dd>
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<dt>stdout</dt><dd><p>directory containing init manifest and remote stdout stream output</p>
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</dd>
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<dt>target_host</dt><dd><p>file containing target host of this cdist run, as specified when running
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cdist</p>
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</dd>
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<dt>typeorder</dt><dd><p>file containing types in order of execution.</p>
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</dd>
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</dl>
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<section id="object-cache-overview">
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<h3><span class="section-number">27.2.1. </span>Object cache overview<a class="headerlink" href="#object-cache-overview" title="Permalink to this heading">¶</a></h3>
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<p>Each object under <strong>object</strong> directory has its own structure.</p>
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<dl class="simple">
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<dt>autorequire</dt><dd><p>file containing a list of object auto requirements</p>
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</dd>
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<dt>children</dt><dd><p>file containing a list of object children, i.e. objects of types that this
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type reuses (along with 'parents' it is used for maintaining parent-child
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relationship graph)</p>
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</dd>
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<dt>code-local</dt><dd><p>code generated from gencode-local, present only if something is
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generated</p>
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</dd>
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<dt>code-remote</dt><dd><p>code generated from gencode-remote, present only if something is
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generated</p>
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</dd>
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<dt>explorer</dt><dd><p>directory containing type explorer named files containing explorer output
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after running on target host</p>
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</dd>
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<dt>files</dt><dd><p>directory with object files created during type execution</p>
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</dd>
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<dt>parameter</dt><dd><p>directory containing type parameter named files containing parameter
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values</p>
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</dd>
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<dt>parents</dt><dd><p>file containing a list of object parents, i.e. objects of types that reuse
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this type (along with 'children' it is used for maintaining parent-child
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relationship graph); objects without parents are objects specified in init
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manifest</p>
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</dd>
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<dt>require</dt><dd><p>file containing a list of object requirements</p>
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</dd>
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<dt>source</dt><dd><p>this type's source (init manifest)</p>
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</dd>
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<dt>state</dt><dd><p>this type execution state ('done' when finished)</p>
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</dd>
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<dt>stderr</dt><dd><p>directory containing type's manifest, gencode-* and code-* stderr stream
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outputs</p>
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</dd>
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<dt>stdin</dt><dd><p>this type stdin content</p>
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</dd>
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<dt>stdout</dt><dd><p>directory containing type's manifest, gencode-* and code-* stdout stream
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outputs.</p>
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</dd>
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</dl>
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</section>
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