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<div class="section" id="ansible">
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<h1>Ansible<a class="headerlink" href="#ansible" title="Permalink to this headline">¶</a></h1>
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<p>Ansible is a radically simple deployment, configuration, and command execution framework.
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Other tools in this space have been too complicated for too long, require too much bootstrapping,
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and have too much learning curve. Ansible is dead simple and painless to extend. For comparison, Puppet and Chef have about 60k lines of code. Ansible’s core is a little over 1000 lines.</p>
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<p>Ansible isn’t just for configuration – it’s also great for Ad-Hoc tasks,
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quickly firing off commands against nodes. Where Ansible excels though, is expressing complex multi-node deployment processes, executing complex sequences of commands on different hosts through “playbooks”.</p>
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<p>Extending ansible does not require programming in any particular language – you can write modules
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as scripts or programs that return simple JSON. It’s also trivially easy to just execute
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useful shell commands.</p>
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<p>Why use Ansible versus something else? (Puppet, Chef, Fabric, Capistrano,
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mCollective, Func, SaltStack, etc?) Ansible will have far less code, it
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will be (by extension) more correct, and it will be the easiest thing to hack on and
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use you’ll ever see – regardless of your favorite language of choice.</p>
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<p>Systems management doesn’t have to be complicated. Ansible’s docs will remain
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short & simple, and the source will be blindingly obvious.</p>
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<div class="section" id="design-goals">
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<h2>Design Goals<a class="headerlink" href="#design-goals" title="Permalink to this headline">¶</a></h2>
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<ul class="simple">
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<li>Dead simple setup</li>
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<li>Super fast & parallel by default</li>
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<li>No server or client daemons; use existing SSHd out of the box</li>
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<li>No additional software required on client boxes</li>
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<li>Modules can be written in ANY language</li>
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<li>Awesome API for creating very powerful distributed scripts</li>
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<li>Be very usable as non-root</li>
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<li>Create the easiest config management system to use, ever.</li>
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</ul>
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</div>
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<div class="section" id="communicate-and-get-involved">
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<h2>Communicate and Get Involved<a class="headerlink" href="#communicate-and-get-involved" title="Permalink to this headline">¶</a></h2>
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<p>Your ideas and contributions are welcome. We’re also happy to help you with questions about Ansible.</p>
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<ul class="simple">
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<li>Join the <a class="reference external" href="http://groups.google.com/group/ansible-project">ansible-project mailing list</a> on Google Groups</li>
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<li>Join <a class="reference external" href="irc://irc.freenode.net/#ansible">#ansible</a> on the <a class="reference external" href="http://freenode.net/">freenode IRC network</a></li>
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<li>Visit the <a class="reference external" href="https://github.com/ansible/ansible">project page</a> on Github<ul>
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<li>View the <a class="reference external" href="https://github.com/ansible/ansible/issues">issue tracker</a></li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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<div class="section" id="contents">
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<h1>Contents<a class="headerlink" href="#contents" title="Permalink to this headline">¶</a></h1>
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<div class="toctree-wrapper compound">
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="gettingstarted.html">Getting Started</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="gettingstarted.html#requirements">Requirements</a></li>
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<li class="toctree-l2"><a class="reference internal" href="gettingstarted.html#developer-requirements">Developer Requirements</a></li>
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<li class="toctree-l2"><a class="reference internal" href="gettingstarted.html#getting-ansible">Getting Ansible</a><ul>
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<li class="toctree-l3"><a class="reference internal" href="gettingstarted.html#python-distutils">Python Distutils</a></li>
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<li class="toctree-l3"><a class="reference internal" href="gettingstarted.html#via-rpm">Via RPM</a></li>
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</ul>
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</li>
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<li class="toctree-l2"><a class="reference internal" href="gettingstarted.html#your-first-commands">Your first commands</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="patterns.html">The Inventory File, Patterns, and Groups</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="patterns.html#inventory-file-format">Inventory File Format</a></li>
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<li class="toctree-l2"><a class="reference internal" href="patterns.html#selecting-targets">Selecting Targets</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="examples.html">Command Line Examples</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="examples.html#parallelism-and-shell-commands">Parallelism and Shell Commands</a></li>
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<li class="toctree-l2"><a class="reference internal" href="examples.html#file-transfer-templating">File Transfer & Templating</a></li>
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<li class="toctree-l2"><a class="reference internal" href="examples.html#deploying-from-source-control">Deploying From Source Control</a></li>
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<li class="toctree-l2"><a class="reference internal" href="examples.html#managing-services">Managing Services</a></li>
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<li class="toctree-l2"><a class="reference internal" href="examples.html#time-limited-background-operations">Time Limited Background Operations</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="modules.html">Ansible Modules</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#command">command</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#copy">copy</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#facter">facter</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#git">git</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#ohai">ohai</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#ping">ping</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#service">service</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#setup">setup</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#template">template</a></li>
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<li class="toctree-l2"><a class="reference internal" href="modules.html#writing-your-own-modules">Writing your own modules</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="YAMLScripts.html">YAML Format</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="YAMLScripts.html#yaml-basics">YAML Basics</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="playbooks.html">Playbooks</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#playbook-example">Playbook Example</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#hosts-line">Hosts line</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#vars-section">Vars section</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#tasks-list">Tasks list</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#task-name-and-action">Task name and action</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#notify-statements">Notify statements</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#handlers">Handlers</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#includes">Includes</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#using-includes-to-assign-classes-of-systems">Using Includes To Assign Classes of Systems</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#asynchronous-actions-and-polling">Asynchronous Actions and Polling</a></li>
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<li class="toctree-l2"><a class="reference internal" href="playbooks.html#executing-a-playbook">Executing A Playbook</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="api.html">Using the Python API</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="api.html#detailed-api-example">Detailed API Example</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="man.html#ansible-1">ansible(1)</a></li>
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</ul>
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</li>
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</ul>
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</div>
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<div class="section" id="about-the-author">
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<h2>About the Author<a class="headerlink" href="#about-the-author" title="Permalink to this headline">¶</a></h2>
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<p>Ansible was originally developed by Michael DeHaan, a Raleigh, NC based software developer and architect.
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He created other popular DevOps programs such as Cobbler, the popular Linux install server.
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Cobbler is used to deploy mission critical systems all over the planet, in industries
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ranging from massively multiplayer gaming, core internet infrastructure, finance,
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chip design, and more. Michael also helped co-author of Func, a precursor to Ansible, which is used
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to orchestrate systems in lots of diverse places. He’s worked on systems software for
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IBM, Motorola, Red Hat’s Emerging Technologies Group, Puppet Labs, and rPath.</p>
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<p class="pull-right"><a href="#">Back to top</a></p>
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© Copyright 2012 Michael DeHaan.<br/>
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Last updated on Mar 09, 2012.<br/>
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