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cdist manpages update: 4.3.2
2016-10-13 16:54:46 +00:00
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<li class="toctree-l1"><a class="reference internal" href="../cdist-intro.html">1. cdist - usable configuration management</a></li>
<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-support.html">6. Support</a></li>
<li class="toctree-l1"><a class="reference internal" href="../cdist-features.html">7. Features</a></li>
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<li class="toctree-l1 current"><a class="current reference internal" href="#">9. cdist(1)</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#name">9.1. NAME</a></li>
<li class="toctree-l2"><a class="reference internal" href="#synopsis">9.2. SYNOPSIS</a></li>
<li class="toctree-l2"><a class="reference internal" href="#description">9.3. DESCRIPTION</a></li>
<li class="toctree-l2"><a class="reference internal" href="#general">9.4. GENERAL</a></li>
<li class="toctree-l2"><a class="reference internal" href="#banner">9.5. BANNER</a></li>
<li class="toctree-l2"><a class="reference internal" href="#config">9.6. CONFIG</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#hostfile-format">9.6.1. HOSTFILE FORMAT</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#shell">9.7. SHELL</a></li>
<li class="toctree-l2"><a class="reference internal" href="#files">9.8. FILES</a></li>
<li class="toctree-l2"><a class="reference internal" href="#examples">9.9. EXAMPLES</a></li>
<li class="toctree-l2"><a class="reference internal" href="#environment">9.10. ENVIRONMENT</a></li>
<li class="toctree-l2"><a class="reference internal" href="#exit-status">9.11. EXIT STATUS</a></li>
<li class="toctree-l2"><a class="reference internal" href="#authors">9.12. AUTHORS</a></li>
<li class="toctree-l2"><a class="reference internal" href="#caveats">9.13. CAVEATS</a></li>
<li class="toctree-l2"><a class="reference internal" href="#copying">9.14. COPYING</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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<div class="section" id="cdist-1">
<h1>9. cdist(1)<a class="headerlink" href="#cdist-1" title="Permalink to this headline"></a></h1>
<div class="section" id="name">
<h2>9.1. NAME<a class="headerlink" href="#name" title="Permalink to this headline"></a></h2>
<p>cdist - Usable Configuration Management</p>
</div>
<div class="section" id="synopsis">
<h2>9.2. SYNOPSIS<a class="headerlink" href="#synopsis" title="Permalink to this headline"></a></h2>
<div class="highlight-default"><div class="highlight"><pre><span></span><span class="n">cdist</span> <span class="p">[</span><span class="o">-</span><span class="n">h</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">d</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">v</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">V</span><span class="p">]</span> <span class="p">{</span><span class="n">banner</span><span class="p">,</span><span class="n">config</span><span class="p">,</span><span class="n">shell</span><span class="p">}</span> <span class="o">...</span>
<span class="n">cdist</span> <span class="n">banner</span> <span class="p">[</span><span class="o">-</span><span class="n">h</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">d</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">v</span><span class="p">]</span>
<span class="n">cdist</span> <span class="n">config</span> <span class="p">[</span><span class="o">-</span><span class="n">h</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">d</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">v</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">b</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">c</span> <span class="n">CONF_DIR</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">f</span> <span class="n">HOSTFILE</span><span class="p">]</span>
<span class="p">[</span><span class="o">-</span><span class="n">i</span> <span class="n">MANIFEST</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">j</span> <span class="p">[</span><span class="n">JOBS</span><span class="p">]]</span> <span class="p">[</span><span class="o">-</span><span class="n">n</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">o</span> <span class="n">OUT_PATH</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">p</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">s</span><span class="p">]</span>
<span class="p">[</span><span class="o">--</span><span class="n">remote</span><span class="o">-</span><span class="n">copy</span> <span class="n">REMOTE_COPY</span><span class="p">]</span> <span class="p">[</span><span class="o">--</span><span class="n">remote</span><span class="o">-</span><span class="n">exec</span> <span class="n">REMOTE_EXEC</span><span class="p">]</span>
<span class="p">[</span><span class="n">host</span> <span class="p">[</span><span class="n">host</span> <span class="o">...</span><span class="p">]]</span>
<span class="n">cdist</span> <span class="n">shell</span> <span class="p">[</span><span class="o">-</span><span class="n">h</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">d</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">v</span><span class="p">]</span> <span class="p">[</span><span class="o">-</span><span class="n">s</span> <span class="n">SHELL</span><span class="p">]</span>
</pre></div>
</div>
</div>
<div class="section" id="description">
<h2>9.3. DESCRIPTION<a class="headerlink" href="#description" title="Permalink to this headline"></a></h2>
<p>cdist is the frontend executable to the cdist configuration management.
It supports different subcommands as explained below.</p>
<p>It is written in Python so it requires <strong>python</strong>(1) to be installed.
It requires a minimal Python version 3.2.</p>
</div>
<div class="section" id="general">
<h2>9.4. GENERAL<a class="headerlink" href="#general" title="Permalink to this headline"></a></h2>
<p>All commands accept the following options:</p>
<dl class="option">
<dt id="cmdoption-h">
<span id="cmdoption--help"></span><code class="descname">-h</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--help</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-h" title="Permalink to this definition"></a></dt>
<dd><p>Show the help screen</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-d">
<span id="cmdoption--debug"></span><code class="descname">-d</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--debug</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-d" title="Permalink to this definition"></a></dt>
<dd><p>Set log level to debug</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-v">
<span id="cmdoption--verbose"></span><code class="descname">-v</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--verbose</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-v" title="Permalink to this definition"></a></dt>
<dd><p>Set log level to info, be more verbose</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-V">
<span id="cmdoption--version"></span><code class="descname">-V</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--version</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-V" title="Permalink to this definition"></a></dt>
<dd><p>Show version and exit</p>
</dd></dl>
</div>
<div class="section" id="banner">
<h2>9.5. BANNER<a class="headerlink" href="#banner" title="Permalink to this headline"></a></h2>
<p>Displays the cdist banner. Useful for printing
cdist posters - a must have for every office.</p>
</div>
<div class="section" id="config">
<h2>9.6. CONFIG<a class="headerlink" href="#config" title="Permalink to this headline"></a></h2>
<p>Configure one or more hosts.</p>
<dl class="option">
<dt id="cmdoption-b">
<span id="cmdoption--enable-beta"></span><code class="descname">-b</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--enable-beta</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-b" title="Permalink to this definition"></a></dt>
<dd><p>Enable beta functionalities. Beta functionalities include the
following options: -j/--jobs.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-c">
<span id="cmdoption--conf-dir"></span><code class="descname">-c</code><code class="descclassname"> CONF_DIR</code><code class="descclassname">, </code><code class="descname">--conf-dir</code><code class="descclassname"> CONF_DIR</code><a class="headerlink" href="#cmdoption-c" title="Permalink to this definition"></a></dt>
<dd><p>Add a configuration directory. Can be specified multiple times.
If configuration directories contain conflicting types, explorers or
manifests, then the last one found is used. Additionally this can also
be configured by setting the CDIST_PATH environment variable to a colon
delimited list of config directories. Directories given with the
--conf-dir argument have higher precedence over those set through the
environment variable.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-f">
<span id="cmdoption--file"></span><code class="descname">-f</code><code class="descclassname"> HOSTFILE</code><code class="descclassname">, </code><code class="descname">--file</code><code class="descclassname"> HOSTFILE</code><a class="headerlink" href="#cmdoption-f" title="Permalink to this definition"></a></dt>
<dd><p>Read additional hosts to operate on from specified file
or from stdin if '-' (each host on separate line).
If no host or host file is specified then, by default,
read hosts from stdin. For the file format see below.</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-i">
<span id="cmdoption--initial-manifest"></span><code class="descname">-i</code><code class="descclassname"> MANIFEST</code><code class="descclassname">, </code><code class="descname">--initial-manifest</code><code class="descclassname"> MANIFEST</code><a class="headerlink" href="#cmdoption-i" title="Permalink to this definition"></a></dt>
<dd><p>Path to a cdist manifest or - to read from stdin</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-j">
<span id="cmdoption--jobs"></span><code class="descname">-j</code><code class="descclassname"> [JOBS]</code><code class="descclassname">, </code><code class="descname">--jobs</code><code class="descclassname"> [JOBS]</code><a class="headerlink" href="#cmdoption-j" title="Permalink to this definition"></a></dt>
<dd><p>Specify the maximum number of parallel jobs; currently only
global explorers are supported (currently in beta)</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-n">
<span id="cmdoption--dry-run"></span><code class="descname">-n</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--dry-run</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-n" title="Permalink to this definition"></a></dt>
<dd><p>Do not execute code</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-o">
<span id="cmdoption--out-dir"></span><code class="descname">-o</code><code class="descclassname"> OUT_PATH</code><code class="descclassname">, </code><code class="descname">--out-dir</code><code class="descclassname"> OUT_PATH</code><a class="headerlink" href="#cmdoption-o" title="Permalink to this definition"></a></dt>
<dd><p>Directory to save cdist output in</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-p">
<span id="cmdoption--parallel"></span><code class="descname">-p</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--parallel</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-p" title="Permalink to this definition"></a></dt>
<dd><p>Operate on multiple hosts in parallel</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption-s">
<span id="cmdoption--sequential"></span><code class="descname">-s</code><code class="descclassname"></code><code class="descclassname">, </code><code class="descname">--sequential</code><code class="descclassname"></code><a class="headerlink" href="#cmdoption-s" title="Permalink to this definition"></a></dt>
<dd><p>Operate on multiple hosts sequentially (default)</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption--remote-copy">
<code class="descname">--remote-copy</code><code class="descclassname"> REMOTE_COPY</code><a class="headerlink" href="#cmdoption--remote-copy" title="Permalink to this definition"></a></dt>
<dd><p>Command to use for remote copy (should behave like scp)</p>
</dd></dl>
<dl class="option">
<dt id="cmdoption--remote-exec">
<code class="descname">--remote-exec</code><code class="descclassname"> REMOTE_EXEC</code><a class="headerlink" href="#cmdoption--remote-exec" title="Permalink to this definition"></a></dt>
<dd><p>Command to use for remote execution (should behave like ssh)</p>
</dd></dl>
<div class="section" id="hostfile-format">
<h3>9.6.1. HOSTFILE FORMAT<a class="headerlink" href="#hostfile-format" title="Permalink to this headline"></a></h3>
<p>HOSTFILE contains hosts per line.
All characters after and including '#' until the end of line is a comment.
In a line, all leading and trailing whitespace characters are ignored.
Empty lines are ignored/skipped.</p>
<p>Hostfile line is processed like the following. First, all comments are
removed. Then all leading and trailing whitespace characters are stripped.
If such a line results in empty line it is ignored/skipped. Otherwise,
host string is used.</p>
</div>
</div>
<div class="section" id="shell">
<h2>9.7. SHELL<a class="headerlink" href="#shell" title="Permalink to this headline"></a></h2>
<p>This command allows you to spawn a shell that enables access
to the types as commands. It can be thought as an
&quot;interactive manifest&quot; environment. See below for example
usage. Its primary use is for debugging type parameters.</p>
<dl class="option">
<dt id="cmdoption-s">
<span id="cmdoption--shell"></span><code class="descname">-s</code><code class="descclassname"> SHELL</code><code class="descclassname">, </code><code class="descname">--shell</code><code class="descclassname"> SHELL</code><a class="headerlink" href="#cmdoption-s" title="Permalink to this definition"></a></dt>
<dd><p>Select shell to use, defaults to current shell. Used shell should
be POSIX compatible shell.</p>
</dd></dl>
</div>
<div class="section" id="files">
<h2>9.8. FILES<a class="headerlink" href="#files" title="Permalink to this headline"></a></h2>
<dl class="docutils">
<dt>~/.cdist</dt>
<dd>Your personal cdist config directory. If exists it will be
automatically used.</dd>
<dt>cdist/conf</dt>
<dd>The distribution configuration directory. It contains official types and
explorers. This path is relative to cdist installation directory.</dd>
</dl>
</div>
<div class="section" id="examples">
<h2>9.9. EXAMPLES<a class="headerlink" href="#examples" title="Permalink to this headline"></a></h2>
<div class="highlight-sh"><div class="highlight"><pre><span></span><span class="c1"># Configure ikq05.ethz.ch with debug enabled</span>
% cdist config -d ikq05.ethz.ch
<span class="c1"># Configure hosts in parallel and use a different configuration directory</span>
% cdist config -c ~/p/cdist-nutzung <span class="se">\</span>
-p ikq02.ethz.ch ikq03.ethz.ch ikq04.ethz.ch
<span class="c1"># Use custom remote exec / copy commands</span>
% cdist config --remote-exec /path/to/my/remote/exec <span class="se">\</span>
--remote-copy /path/to/my/remote/copy <span class="se">\</span>
-p ikq02.ethz.ch ikq03.ethz.ch ikq04.ethz.ch
<span class="c1"># Configure hosts read from file loadbalancers</span>
% cdist config -f loadbalancers
<span class="c1"># Configure hosts read from file web.hosts using 16 parallel jobs</span>
<span class="c1"># (beta functionality)</span>
% cdist config -b -j <span class="m">16</span> -f web.hosts
<span class="c1"># Display banner</span>
cdist banner
<span class="c1"># Show help</span>
% cdist --help
<span class="c1"># Show Version</span>
% cdist --version
<span class="c1"># Enter a shell that has access to emulated types</span>
% cdist shell
% __git
usage: __git --source SOURCE <span class="o">[</span>--state STATE<span class="o">]</span> <span class="o">[</span>--branch BRANCH<span class="o">]</span>
<span class="o">[</span>--group GROUP<span class="o">]</span> <span class="o">[</span>--owner OWNER<span class="o">]</span> <span class="o">[</span>--mode MODE<span class="o">]</span> object_id
</pre></div>
</div>
</div>
<div class="section" id="environment">
<h2>9.10. ENVIRONMENT<a class="headerlink" href="#environment" title="Permalink to this headline"></a></h2>
<dl class="docutils">
<dt>TMPDIR, TEMP, TMP</dt>
<dd>Setup the base directory for the temporary directory.
See <a class="reference external" href="http://docs.python.org/py3k/library/tempfile.html">http://docs.python.org/py3k/library/tempfile.html</a> for
more information. This is rather useful, if the standard
directory used does not allow executables.</dd>
<dt>CDIST_PATH</dt>
<dd>Colon delimited list of config directories.</dd>
<dt>CDIST_LOCAL_SHELL</dt>
<dd>Selects shell for local script execution, defaults to /bin/sh.</dd>
<dt>CDIST_REMOTE_SHELL</dt>
<dd>Selects shell for remote script execution, defaults to /bin/sh.</dd>
<dt>CDIST_OVERRIDE</dt>
<dd>Allow overwriting type parameters.</dd>
<dt>CDIST_ORDER_DEPENDENCY</dt>
<dd>Create dependencies based on the execution order.</dd>
<dt>CDIST_REMOTE_EXEC</dt>
<dd>Use this command for remote execution (should behave like ssh).</dd>
<dt>CDIST_REMOTE_COPY</dt>
<dd>Use this command for remote copy (should behave like scp).</dd>
</dl>
</div>
<div class="section" id="exit-status">
<h2>9.11. EXIT STATUS<a class="headerlink" href="#exit-status" title="Permalink to this headline"></a></h2>
<p>The following exit values shall be returned:</p>
<p>0 Successful completion.</p>
<p>1 One or more host configurations failed.</p>
</div>
<div class="section" id="authors">
<h2>9.12. AUTHORS<a class="headerlink" href="#authors" title="Permalink to this headline"></a></h2>
<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>
<div class="section" id="caveats">
<h2>9.13. CAVEATS<a class="headerlink" href="#caveats" title="Permalink to this headline"></a></h2>
<p>When operating in parallel, either by operating in parallel for each host
(-p/--parallel) or by parallel jobs within a host (-j/--jobs), and depending
on target SSH server and its configuration you may encounter connection drops.
This is controlled with sshd <strong>MaxStartups</strong> configuration options.
You may also encounter session open refusal. This happens with ssh multiplexing
when you reach maximum number of open sessions permitted per network
connection. In this case ssh will disable multiplexing.
This limit is controlled with sshd <strong>MaxSessions</strong> configuration
options. For more details refer to <strong>sshd_config</strong>(5).</p>
<p>When requirements for the same object are defined in different manifests (see
example below) in init manifest and in some other type manifest and they differs
then dependency resolver cannot detect dependencies right. This happens because
cdist cannot prepare all objects first and then run objects because some
object can depend on the result of type explorer(s) and explorers are executed
during object run. cdist will detect such case and write warning message.
Example for such a case:</p>
<div class="highlight-sh"><div class="highlight"><pre><span></span>init manifest:
__a a
<span class="nv">require</span><span class="o">=</span><span class="s2">&quot;__e/e&quot;</span> __b b
<span class="nv">require</span><span class="o">=</span><span class="s2">&quot;__f/f&quot;</span> __c c
__e e
__f f
<span class="nv">require</span><span class="o">=</span><span class="s2">&quot;__c/c&quot;</span> __d d
__g g
__h h
<span class="nb">type</span> __g manifest:
<span class="nv">require</span><span class="o">=</span><span class="s2">&quot;__c/c __d/d&quot;</span> __a a
Warning message:
WARNING: cdisttesthost: Object __a/a already exists with requirements:
/usr/home/darko/ungleich/cdist/cdist/test/config/fixtures/manifest/init-deps-resolver /tmp/tmp.cdist.test.ozagkg54/local/759547ff4356de6e3d9e08522b0d0807/data/conf/type/__g/manifest: set<span class="o">()</span>
/tmp/tmp.cdist.test.ozagkg54/local/759547ff4356de6e3d9e08522b0d0807/data/conf/type/__g/manifest: <span class="o">{</span><span class="s1">&#39;__c/c&#39;</span>, <span class="s1">&#39;__d/d&#39;</span><span class="o">}</span>
Dependency resolver could not handle dependencies as expected.
</pre></div>
</div>
</div>
<div class="section" id="copying">
<h2>9.14. COPYING<a class="headerlink" href="#copying" title="Permalink to this headline"></a></h2>
<p>Copyright (C) 2011-2013 Nico Schottelius. Free use of this software is
granted under the terms of the GNU General Public License v3 or later (GPLv3+).</p>
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