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<li class="toctree-l1"><a class="reference internal" href="cdist-why.html">1. Why should I use cdist?</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">20. Inventory</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="#introduction">20.1. Introduction</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#description">20.2. Description</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#cdist-inventory-interface">20.3. cdist inventory interface</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#configuring-hosts-using-inventory">20.4. Configuring hosts using inventory</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#examples">20.5. Examples</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#example-of-manipulating-database">20.6. Example of manipulating database</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#using-external-inventory">20.7. Using external inventory</a></li>
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<li class="breadcrumb-item active"><span class="section-number">20. </span>Inventory</li>
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<a href="_sources/cdist-inventory.rst.txt" rel="nofollow"> View page source</a>
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<section id="inventory">
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<h1><span class="section-number">20. </span>Inventory<a class="headerlink" href="#inventory" title="Permalink to this heading">¶</a></h1>
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<section id="introduction">
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<h2><span class="section-number">20.1. </span>Introduction<a class="headerlink" href="#introduction" title="Permalink to this heading">¶</a></h2>
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<p>cdist comes with simple built-in tag based inventory. It is a simple inventory
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with list of hosts and a host has a list of tags.
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Inventory functionality is still in <strong>beta</strong> so it can be used only if beta
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command line flag is specified (-b, --beta) or setting CDIST_BETA env var.</p>
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</section>
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<section id="description">
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<h2><span class="section-number">20.2. </span>Description<a class="headerlink" href="#description" title="Permalink to this heading">¶</a></h2>
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<p>The idea is to have simple tagging inventory. There is a list of hosts and for
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each host there are tags. Inventory database is a set of files under inventory
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database base directory. Filename equals hostname. Each file contains tags for
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hostname with each tag on its own line.</p>
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<p>Using inventory you can now configure hosts by selecting them by tags.</p>
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<p>Tags have no values, as tags are just tags. Tag name-value would in this
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context mean that host has two tags and it is selected by specifying that both
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tags are present.</p>
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<p>This inventory is <strong>KISS</strong> cdist built-in inventory database. You can maintain it
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using cdist inventory interface or using standard UNIX tools.</p>
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</section>
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<section id="cdist-inventory-interface">
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<h2><span class="section-number">20.3. </span>cdist inventory interface<a class="headerlink" href="#cdist-inventory-interface" title="Permalink to this heading">¶</a></h2>
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<p>With cdist inventory interface you can list host(s) and tag(s), add host(s),
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add tag(s), delete host(s) and delete tag(s).</p>
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</section>
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<section id="configuring-hosts-using-inventory">
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<h2><span class="section-number">20.4. </span>Configuring hosts using inventory<a class="headerlink" href="#configuring-hosts-using-inventory" title="Permalink to this heading">¶</a></h2>
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<p>config command now has new options, <strong>-t</strong>, <strong>-a</strong> and <strong>-A</strong>.</p>
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<p><strong>-A</strong> means that all hosts in tag db is selected.</p>
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<p><strong>-a</strong> means that selected hosts must contain ALL specified tags.</p>
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<p><strong>-t</strong> means that host specifies tag - all hosts that have specified tags are
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selected.</p>
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</section>
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<section id="examples">
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<h2><span class="section-number">20.5. </span>Examples<a class="headerlink" href="#examples" title="Permalink to this heading">¶</a></h2>
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<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span><span class="c1"># List inventory content</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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<span class="c1"># List inventory for specified host localhost</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b<span class="w"> </span>localhost
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<span class="c1"># List inventory for specified tag loadbalancer</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>loadbalancer
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<span class="c1"># Add hosts to inventory</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>add-host<span class="w"> </span>-b<span class="w"> </span>web1<span class="w"> </span>web2<span class="w"> </span>web3
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<span class="c1"># Delete hosts from file old-hosts from inventory</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>del-host<span class="w"> </span>-b<span class="w"> </span>-f<span class="w"> </span>old-hosts
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<span class="c1"># Add tags to specified hosts</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>europe,croatia,web,static<span class="w"> </span>web1<span class="w"> </span>web2
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<span class="c1"># Add tag to all hosts in inventory</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>vm
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<span class="c1"># Delete all tags from specified host</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>del-tag<span class="w"> </span>-b<span class="w"> </span>-a<span class="w"> </span>localhost
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<span class="c1"># Delete tags read from stdin from hosts specified by file hosts</span>
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$<span class="w"> </span>cdist<span class="w"> </span>inventory<span class="w"> </span>del-tag<span class="w"> </span>-b<span class="w"> </span>-T<span class="w"> </span>-<span class="w"> </span>-f<span class="w"> </span>hosts
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<span class="c1"># Configure hosts from inventory with any of specified tags</span>
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$<span class="w"> </span>cdist<span class="w"> </span>config<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>web<span class="w"> </span>dynamic
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<span class="c1"># Configure hosts from inventory with all specified tags</span>
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$<span class="w"> </span>cdist<span class="w"> </span>config<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>-a<span class="w"> </span>web<span class="w"> </span>dynamic
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<span class="c1"># Configure all hosts from inventory db</span>
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$<span class="w"> </span>cdist<span class="w"> </span>config<span class="w"> </span>-b<span class="w"> </span>-A
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</pre></div>
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</div>
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</section>
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<section id="example-of-manipulating-database">
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<h2><span class="section-number">20.6. </span>Example of manipulating database<a class="headerlink" href="#example-of-manipulating-database" title="Permalink to this heading">¶</a></h2>
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<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-host<span class="w"> </span>-b<span class="w"> </span>localhost
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-host<span class="w"> </span>-b<span class="w"> </span>test.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost
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test.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-host<span class="w"> </span>-b<span class="w"> </span>web1.mycloud.net<span class="w"> </span>web2.mycloud.net<span class="w"> </span>shell1.mycloud.net<span class="w"> </span>shell2.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost
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test.mycloud.net
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web1.mycloud.net
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web2.mycloud.net
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shell1.mycloud.net
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shell2.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>web<span class="w"> </span>web1.mycloud.net<span class="w"> </span>web2.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>shell<span class="w"> </span>shell1.mycloud.net<span class="w"> </span>shell2.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>cloud
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost<span class="w"> </span>cloud
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test.mycloud.net<span class="w"> </span>cloud
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web1.mycloud.net<span class="w"> </span>cloud,web
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web2.mycloud.net<span class="w"> </span>cloud,web
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shell1.mycloud.net<span class="w"> </span>cloud,shell
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shell2.mycloud.net<span class="w"> </span>cloud,shell
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>test,web,shell<span class="w"> </span>test.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost<span class="w"> </span>cloud
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test.mycloud.net<span class="w"> </span>cloud,shell,test,web
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web1.mycloud.net<span class="w"> </span>cloud,web
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web2.mycloud.net<span class="w"> </span>cloud,web
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shell1.mycloud.net<span class="w"> </span>cloud,shell
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shell2.mycloud.net<span class="w"> </span>cloud,shell
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>del-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>shell<span class="w"> </span>test.mycloud.net
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost<span class="w"> </span>cloud
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test.mycloud.net<span class="w"> </span>cloud,test,web
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web1.mycloud.net<span class="w"> </span>cloud,web
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web2.mycloud.net<span class="w"> </span>cloud,web
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shell1.mycloud.net<span class="w"> </span>cloud,shell
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shell2.mycloud.net<span class="w"> </span>cloud,shell
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>all
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>add-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>mistake
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost<span class="w"> </span>all,cloud,mistake
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test.mycloud.net<span class="w"> </span>all,cloud,mistake,test,web
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web1.mycloud.net<span class="w"> </span>all,cloud,mistake,web
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web2.mycloud.net<span class="w"> </span>all,cloud,mistake,web
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shell1.mycloud.net<span class="w"> </span>all,cloud,mistake,shell
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shell2.mycloud.net<span class="w"> </span>all,cloud,mistake,shell
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>del-tag<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>mistake
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
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localhost<span class="w"> </span>all,cloud
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test.mycloud.net<span class="w"> </span>all,cloud,test,web
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web1.mycloud.net<span class="w"> </span>all,cloud,web
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web2.mycloud.net<span class="w"> </span>all,cloud,web
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shell1.mycloud.net<span class="w"> </span>all,cloud,shell
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shell2.mycloud.net<span class="w"> </span>all,cloud,shell
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$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>del-host<span class="w"> </span>-b<span class="w"> </span>localhost
|
|
$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b
|
|
test.mycloud.net<span class="w"> </span>all,cloud,test,web
|
|
web1.mycloud.net<span class="w"> </span>all,cloud,web
|
|
web2.mycloud.net<span class="w"> </span>all,cloud,web
|
|
shell1.mycloud.net<span class="w"> </span>all,cloud,shell
|
|
shell2.mycloud.net<span class="w"> </span>all,cloud,shell
|
|
$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>web
|
|
test.mycloud.net<span class="w"> </span>all,cloud,test,web
|
|
web1.mycloud.net<span class="w"> </span>all,cloud,web
|
|
web2.mycloud.net<span class="w"> </span>all,cloud,web
|
|
$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>-a<span class="w"> </span>web<span class="w"> </span><span class="nb">test</span>
|
|
test.mycloud.net<span class="w"> </span>all,cloud,test,web
|
|
$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>-a<span class="w"> </span>web<span class="w"> </span>all
|
|
test.mycloud.net<span class="w"> </span>all,cloud,test,web
|
|
web1.mycloud.net<span class="w"> </span>all,cloud,web
|
|
web2.mycloud.net<span class="w"> </span>all,cloud,web
|
|
$<span class="w"> </span>python3<span class="w"> </span>scripts/cdist<span class="w"> </span>inventory<span class="w"> </span>list<span class="w"> </span>-b<span class="w"> </span>-t<span class="w"> </span>web<span class="w"> </span>all
|
|
test.mycloud.net<span class="w"> </span>all,cloud,test,web
|
|
web1.mycloud.net<span class="w"> </span>all,cloud,web
|
|
web2.mycloud.net<span class="w"> </span>all,cloud,web
|
|
shell1.mycloud.net<span class="w"> </span>all,cloud,shell
|
|
shell2.mycloud.net<span class="w"> </span>all,cloud,shell
|
|
$<span class="w"> </span><span class="nb">cd</span><span class="w"> </span>cdist/inventory
|
|
$<span class="w"> </span>ls<span class="w"> </span>-1
|
|
shell1.mycloud.net
|
|
shell2.mycloud.net
|
|
test.mycloud.net
|
|
web1.mycloud.net
|
|
web2.mycloud.net
|
|
$<span class="w"> </span>ls<span class="w"> </span>-l
|
|
total<span class="w"> </span><span class="m">20</span>
|
|
-rw-r--r--<span class="w"> </span><span class="m">1</span><span class="w"> </span>darko<span class="w"> </span>darko<span class="w"> </span><span class="m">16</span><span class="w"> </span>Jun<span class="w"> </span><span class="m">24</span><span class="w"> </span><span class="m">12</span>:43<span class="w"> </span>shell1.mycloud.net
|
|
-rw-r--r--<span class="w"> </span><span class="m">1</span><span class="w"> </span>darko<span class="w"> </span>darko<span class="w"> </span><span class="m">16</span><span class="w"> </span>Jun<span class="w"> </span><span class="m">24</span><span class="w"> </span><span class="m">12</span>:43<span class="w"> </span>shell2.mycloud.net
|
|
-rw-r--r--<span class="w"> </span><span class="m">1</span><span class="w"> </span>darko<span class="w"> </span>darko<span class="w"> </span><span class="m">19</span><span class="w"> </span>Jun<span class="w"> </span><span class="m">24</span><span class="w"> </span><span class="m">12</span>:43<span class="w"> </span>test.mycloud.net
|
|
-rw-r--r--<span class="w"> </span><span class="m">1</span><span class="w"> </span>darko<span class="w"> </span>darko<span class="w"> </span><span class="m">14</span><span class="w"> </span>Jun<span class="w"> </span><span class="m">24</span><span class="w"> </span><span class="m">12</span>:43<span class="w"> </span>web1.mycloud.net
|
|
-rw-r--r--<span class="w"> </span><span class="m">1</span><span class="w"> </span>darko<span class="w"> </span>darko<span class="w"> </span><span class="m">14</span><span class="w"> </span>Jun<span class="w"> </span><span class="m">24</span><span class="w"> </span><span class="m">12</span>:43<span class="w"> </span>web2.mycloud.net
|
|
$<span class="w"> </span>cat<span class="w"> </span>test.mycloud.net
|
|
<span class="nb">test</span>
|
|
all
|
|
web
|
|
cloud
|
|
$<span class="w"> </span>cat<span class="w"> </span>web2.mycloud.net
|
|
all
|
|
web
|
|
cloud
|
|
</pre></div>
|
|
</div>
|
|
<p>For more info about inventory commands and options see <a class="reference external" href="man1/cdist.html">cdist</a>(1).</p>
|
|
</section>
|
|
<section id="using-external-inventory">
|
|
<h2><span class="section-number">20.7. </span>Using external inventory<a class="headerlink" href="#using-external-inventory" title="Permalink to this heading">¶</a></h2>
|
|
<p>cdist can be used with any external inventory where external inventory is
|
|
some storage or database from which you can get a list of hosts to configure.
|
|
cdist can then be fed with this list of hosts through stdin or file using
|
|
<strong>-f</strong> option. For example, if your host list is stored in sqlite3 database
|
|
hosts.db and you want to select hosts which purpose is <strong>django</strong> then you
|
|
can use it with cdist like:</p>
|
|
<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$<span class="w"> </span>sqlite3<span class="w"> </span>hosts.db<span class="w"> </span><span class="s2">"select hostname from hosts where purpose = 'django';"</span><span class="w"> </span><span class="p">|</span><span class="w"> </span>cdist<span class="w"> </span>config
|
|
</pre></div>
|
|
</div>
|
|
</section>
|
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