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Reinstate page nav, various TOC structure cleanup

This commit is contained in:
Michael DeHaan 2012-03-31 09:36:37 -04:00
parent 3a1bbac3a7
commit 31c353543c
18 changed files with 236 additions and 30 deletions

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@ -123,6 +123,17 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">YAML Syntax</a><ul>
<li><a class="reference internal" href="#yaml-basics">YAML Basics</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -11,6 +11,7 @@
<ul class="nav">
{% block sidebartoc %}
{% include "globaltoc.html" %}
{% include "localtoc.html" %}
{% endblock %}
</ul>
<ul class="nav secondary-nav">

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@ -123,6 +123,21 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">API &amp; Integrations</a><ul>
<li><a class="reference internal" href="#python-api">Python API</a><ul>
<li><a class="reference internal" href="#detailed-api-example">Detailed API Example</a></li>
</ul>
</li>
<li><a class="reference internal" href="#external-inventory">External Inventory</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -123,6 +123,22 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Command Line Examples</a><ul>
<li><a class="reference internal" href="#parallelism-and-shell-commands">Parallelism and Shell Commands</a></li>
<li><a class="reference internal" href="#file-transfer-templating">File Transfer &amp; Templating</a></li>
<li><a class="reference internal" href="#managing-packages">Managing Packages</a></li>
<li><a class="reference internal" href="#deploying-from-source-control">Deploying From Source Control</a></li>
<li><a class="reference internal" href="#managing-services">Managing Services</a></li>
<li><a class="reference internal" href="#time-limited-background-operations">Time Limited Background Operations</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -123,6 +123,30 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Frequently Asked Questions</a><ul>
<li><a class="reference internal" href="#what-inspired-ansible">What inspired Ansible?</a></li>
<li><a class="reference internal" href="#comparisons">Comparisons</a><ul>
<li><a class="reference internal" href="#vs-func">vs Func?</a></li>
<li><a class="reference internal" href="#vs-puppet">vs Puppet?</a></li>
<li><a class="reference internal" href="#vs-chef">vs Chef?</a></li>
<li><a class="reference internal" href="#vs-capistrano-fabric">vs Capistrano/Fabric?</a></li>
</ul>
</li>
<li><a class="reference internal" href="#other-questions">Other Questions</a><ul>
<li><a class="reference internal" href="#how-does-ansible-scale">How does Ansible scale?</a></li>
<li><a class="reference internal" href="#are-transports-other-than-ssh-supported">Are transports other than SSH supported?</a></li>
<li><a class="reference internal" href="#what-are-some-ideal-uses-for-ansible">What are some ideal uses for Ansible?</a></li>
</ul>
</li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -121,6 +121,11 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"></span>
</li>
</ul>

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@ -123,6 +123,24 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Downloads &amp; Getting Started</a><ul>
<li><a class="reference internal" href="#requirements">Requirements</a></li>
<li><a class="reference internal" href="#developer-requirements">Developer Requirements</a></li>
<li><a class="reference internal" href="#getting-ansible">Getting Ansible</a><ul>
<li><a class="reference internal" href="#python-distutils">Python Distutils</a></li>
<li><a class="reference internal" href="#via-rpm">Via RPM</a></li>
</ul>
</li>
<li><a class="reference internal" href="#your-first-commands">Your first commands</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -122,6 +122,23 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Introducing Ansible</a><ul>
<li><a class="reference internal" href="#architecture">Architecture</a></li>
<li><a class="reference internal" href="#design-goals">Design Goals</a></li>
<li><a class="reference internal" href="#resources">Resources</a></li>
</ul>
</li>
<li><a class="reference internal" href="#contents">Contents</a><ul>
<li><a class="reference internal" href="#about-the-author">About the Author</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>
@ -251,13 +268,15 @@ you with questions about Ansible.</p>
</li>
<li class="toctree-l1"><a class="reference internal" href="playbooks.html">Playbooks</a><ul>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#playbook-example">Playbook Example</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#hosts-line">Hosts line</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#user-line">User line</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#vars-section">Vars section</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#tasks-list">Tasks list</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#task-name-and-action">Task name and action</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#notify-statements">Notify statements</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#handlers">Handlers</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#basics">Basics</a><ul>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#hosts-line">Hosts line</a></li>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#user-line">User line</a></li>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#vars-section">Vars section</a></li>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#tasks-list">Tasks list</a></li>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#task-name-and-action">Task name and action</a></li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#notify-statements-handlers">Notify statements &amp; Handlers</a></li>
<li class="toctree-l2"><a class="reference internal" href="playbooks.html#power-tricks">Power Tricks</a><ul>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#external-variables-and-sensitive-data">External Variables And Sensitive Data</a></li>
<li class="toctree-l3"><a class="reference internal" href="playbooks.html#include-files-and-reuse">Include Files And Reuse</a></li>

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@ -122,6 +122,18 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1 current"><a class="current reference internal" href="">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Man Pages</a><ul>
<li><a class="reference internal" href="#ansible-1">ansible(1)</a></li>
<li><a class="reference internal" href="#ansible-playbook-1">ansible-playbook(1)</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>ansible-playbook</title><link rel="stylesheet" href="./docbook-xsl.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div xml:lang="en" class="refentry" title="ansible-playbook" lang="en"><a id="id422529"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ansible-playbook — run an ansible playbook</p></div><div class="refsynopsisdiv" title="Synopsis"><a id="_synopsis"></a><h2>Synopsis</h2><p>ansible-playbook &lt;filename.yml&gt; … [options]</p></div><div class="refsect1" title="DESCRIPTION"><a id="_description"></a><h2>DESCRIPTION</h2><p><span class="strong"><strong>Ansible playbooks</strong></span> are a configuration and multinode deployment system. Ansible-playbook is the tool
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>ansible-playbook</title><link rel="stylesheet" href="./docbook-xsl.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div xml:lang="en" class="refentry" title="ansible-playbook" lang="en"><a id="id398465"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ansible-playbook — run an ansible playbook</p></div><div class="refsynopsisdiv" title="Synopsis"><a id="_synopsis"></a><h2>Synopsis</h2><p>ansible-playbook &lt;filename.yml&gt; … [options]</p></div><div class="refsect1" title="DESCRIPTION"><a id="_description"></a><h2>DESCRIPTION</h2><p><span class="strong"><strong>Ansible playbooks</strong></span> are a configuration and multinode deployment system. Ansible-playbook is the tool
used to run them. See the project home page (link below) for more information.</p></div><div class="refsect1" title="ARGUMENTS"><a id="_arguments"></a><h2>ARGUMENTS</h2><div class="variablelist"><dl><dt><span class="term">
<span class="strong"><strong>filename.yml</strong></span>
</span></dt><dd>

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@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>ansible</title><link rel="stylesheet" href="./docbook-xsl.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div xml:lang="en" class="refentry" title="ansible" lang="en"><a id="id560223"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ansible — run a command somewhere else</p></div><div class="refsynopsisdiv" title="Synopsis"><a id="_synopsis"></a><h2>Synopsis</h2><p>ansible &lt;host-pattern&gt; [-f forks] [-m module_name] [-a args]</p></div><div class="refsect1" title="DESCRIPTION"><a id="_description"></a><h2>DESCRIPTION</h2><p><span class="strong"><strong>Ansible</strong></span> is an extra-simple tool/framework/API for doing 'remote things' over
<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>ansible</title><link rel="stylesheet" href="./docbook-xsl.css" type="text/css" /><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /></head><body><div xml:lang="en" class="refentry" title="ansible" lang="en"><a id="id405326"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>ansible — run a command somewhere else</p></div><div class="refsynopsisdiv" title="Synopsis"><a id="_synopsis"></a><h2>Synopsis</h2><p>ansible &lt;host-pattern&gt; [-f forks] [-m module_name] [-a args]</p></div><div class="refsect1" title="DESCRIPTION"><a id="_description"></a><h2>DESCRIPTION</h2><p><span class="strong"><strong>Ansible</strong></span> is an extra-simple tool/framework/API for doing 'remote things' over
SSH.</p></div><div class="refsect1" title="ARGUMENTS"><a id="_arguments"></a><h2>ARGUMENTS</h2><div class="variablelist"><dl><dt><span class="term">
<span class="strong"><strong>host-pattern</strong></span>
</span></dt><dd>

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@ -123,6 +123,24 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Module Development Guide</a><ul>
<li><a class="reference internal" href="#tutorial">Tutorial</a></li>
<li><a class="reference internal" href="#testing-modules">Testing Modules</a></li>
<li><a class="reference internal" href="#reading-input">Reading Input</a></li>
<li><a class="reference internal" href="#common-pitfalls">Common Pitfalls</a></li>
<li><a class="reference internal" href="#conventions">Conventions</a></li>
<li><a class="reference internal" href="#shorthand-vs-json">Shorthand Vs JSON</a></li>
<li><a class="reference internal" href="#sharing-your-module">Sharing Your Module</a></li>
<li><a class="reference internal" href="#getting-your-module-into-core">Getting Your Module Into Core</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -123,6 +123,29 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Ansible Modules</a><ul>
<li><a class="reference internal" href="#command">command</a></li>
<li><a class="reference internal" href="#copy">copy</a></li>
<li><a class="reference internal" href="#facter">facter</a></li>
<li><a class="reference internal" href="#file">file</a></li>
<li><a class="reference internal" href="#git">git</a></li>
<li><a class="reference internal" href="#ohai">ohai</a></li>
<li><a class="reference internal" href="#ping">ping</a></li>
<li><a class="reference internal" href="#service">service</a></li>
<li><a class="reference internal" href="#setup">setup</a></li>
<li><a class="reference internal" href="#shell">shell</a></li>
<li><a class="reference internal" href="#template">template</a></li>
<li><a class="reference internal" href="#yum">yum</a></li>
<li><a class="reference internal" href="#writing-your-own-modules">Writing your own modules</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -123,6 +123,18 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">The Inventory File, Patterns, and Groups</a><ul>
<li><a class="reference internal" href="#inventory-file-format">Inventory File Format</a></li>
<li><a class="reference internal" href="#selecting-targets">Selecting Targets</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>

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@ -123,6 +123,34 @@ s.parentNode.insertBefore(ga, s);
<li class="toctree-l1"><a class="reference internal" href="man.html">Man Pages</a></li>
</ul>
</span>
</li>
<li class="dropdown" data-dropdown="dropdown">
<a href="#"
class="dropdown-toggle">Page</a>
<span class="localtoc"><ul>
<li><a class="reference internal" href="#">Playbooks</a><ul>
<li><a class="reference internal" href="#playbook-example">Playbook Example</a></li>
<li><a class="reference internal" href="#basics">Basics</a><ul>
<li><a class="reference internal" href="#hosts-line">Hosts line</a></li>
<li><a class="reference internal" href="#user-line">User line</a></li>
<li><a class="reference internal" href="#vars-section">Vars section</a></li>
<li><a class="reference internal" href="#tasks-list">Tasks list</a></li>
<li><a class="reference internal" href="#task-name-and-action">Task name and action</a></li>
</ul>
</li>
<li><a class="reference internal" href="#notify-statements-handlers">Notify statements &amp; Handlers</a></li>
<li><a class="reference internal" href="#power-tricks">Power Tricks</a><ul>
<li><a class="reference internal" href="#external-variables-and-sensitive-data">External Variables And Sensitive Data</a></li>
<li><a class="reference internal" href="#include-files-and-reuse">Include Files And Reuse</a></li>
<li><a class="reference internal" href="#using-includes-to-assign-classes-of-systems">Using Includes To Assign Classes of Systems</a></li>
<li><a class="reference internal" href="#asynchronous-actions-and-polling">Asynchronous Actions and Polling</a></li>
</ul>
</li>
<li><a class="reference internal" href="#executing-a-playbook">Executing A Playbook</a></li>
</ul>
</li>
</ul>
</span>
</li>
</ul>
@ -187,8 +215,10 @@ server group, then more commands back on the webservers group, etc.</p>
</div>
<p>Below, we&#8217;ll break down what the various features of the playbook language are.</p>
</div>
<div class="section" id="basics">
<h2>Basics<a class="headerlink" href="#basics" title="Permalink to this headline"></a></h2>
<div class="section" id="hosts-line">
<h2>Hosts line<a class="headerlink" href="#hosts-line" title="Permalink to this headline"></a></h2>
<h3>Hosts line<a class="headerlink" href="#hosts-line" title="Permalink to this headline"></a></h3>
<p>The <cite>hosts</cite> line is a list of one or more groups or host patterns,
separated by colons, as described in the <a class="reference internal" href="patterns.html#patterns"><em>The Inventory File, Patterns, and Groups</em></a>
documentation. This is just like the first parameter to
@ -196,14 +226,14 @@ documentation. This is just like the first parameter to
<p>Each play gets to designate it&#8217;s own choice of patterns.</p>
</div>
<div class="section" id="user-line">
<h2>User line<a class="headerlink" href="#user-line" title="Permalink to this headline"></a></h2>
<h3>User line<a class="headerlink" href="#user-line" title="Permalink to this headline"></a></h3>
<p>Playbook steps on the remote system can be executed as any user. The default is root,
but you can specify others. Sudo support is pending.:</p>
<div class="highlight-python"><pre>user: mdehaan</pre>
</div>
</div>
<div class="section" id="vars-section">
<h2>Vars section<a class="headerlink" href="#vars-section" title="Permalink to this headline"></a></h2>
<h3>Vars section<a class="headerlink" href="#vars-section" title="Permalink to this headline"></a></h3>
<p>The <cite>vars&#8217; section contains a list of variables and values that can be used in the plays. These
can be used in templates or tasks and are dereferenced using
`jinja2</cite> syntax like this:</p>
@ -224,7 +254,7 @@ to write the hostname into the /etc/motd file, I could say:</p>
<p>But we&#8217;re getting ahead of ourselves. Let&#8217;s talk about tasks.</p>
</div>
<div class="section" id="tasks-list">
<h2>Tasks list<a class="headerlink" href="#tasks-list" title="Permalink to this headline"></a></h2>
<h3>Tasks list<a class="headerlink" href="#tasks-list" title="Permalink to this headline"></a></h3>
<p>Each play contains a list of tasks. Tasks are executed in order, one
at a time, against all machines matched by the host pattern,
before moving on to the next task.</p>
@ -239,7 +269,7 @@ same command again, which is totally ok if the command is something
like &#8216;chmod&#8217; or &#8216;setsebool&#8217;, etc.</p>
</div>
<div class="section" id="task-name-and-action">
<h2>Task name and action<a class="headerlink" href="#task-name-and-action" title="Permalink to this headline"></a></h2>
<h3>Task name and action<a class="headerlink" href="#task-name-and-action" title="Permalink to this headline"></a></h3>
<p>Every task must have a name, which is included in the output from
running the playbook.</p>
<p>The action line is the name of an ansible module followed by
@ -259,8 +289,9 @@ a variable called &#8216;vhost&#8217; in the &#8216;vars&#8217; section, you cou
</div>
<p>Those same variables are usable in templates, which we&#8217;ll get to later.</p>
</div>
<div class="section" id="notify-statements">
<h2>Notify statements<a class="headerlink" href="#notify-statements" title="Permalink to this headline"></a></h2>
</div>
<div class="section" id="notify-statements-handlers">
<h2>Notify statements &amp; Handlers<a class="headerlink" href="#notify-statements-handlers" title="Permalink to this headline"></a></h2>
<p>As we&#8217;ve mentioned, nearly all modules are written to be &#8216;idempotent&#8217; and can signal when
they have affected a change on the remote system. Playbooks recognize this and
have a basic event system that can be used to respond to change.</p>
@ -280,9 +311,6 @@ change, but only if the file changes:</p>
<p class="first admonition-title">Note</p>
<p class="last">Notify handlers are always run in the order written.</p>
</div>
</div>
<div class="section" id="handlers">
<h2>Handlers<a class="headerlink" href="#handlers" title="Permalink to this headline"></a></h2>
<p>Handlers are lists of tasks, not really any different from regular
tasks, that are referenced by name. Handlers are what notifiers
notify. If nothing notifies a handler, it will not run. Regardless

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@ -53,9 +53,11 @@ For starters, here's a playbook that contains just one play.::
Below, we'll break down what the various features of the playbook language are.
Basics
``````
Hosts line
```````````
++++++++++
The `hosts` line is a list of one or more groups or host patterns,
separated by colons, as described in the :ref:`patterns`
@ -65,7 +67,7 @@ documentation. This is just like the first parameter to
Each play gets to designate it's own choice of patterns.
User line
`````````
+++++++++
Playbook steps on the remote system can be executed as any user. The default is root,
but you can specify others. Sudo support is pending.::
@ -73,7 +75,7 @@ but you can specify others. Sudo support is pending.::
user: mdehaan
Vars section
````````````
++++++++++++
The `vars' section contains a list of variables and values that can be used in the plays. These
can be used in templates or tasks and are dereferenced using
@ -98,7 +100,7 @@ And in /srv/templates/motd.j2::
But we're getting ahead of ourselves. Let's talk about tasks.
Tasks list
``````````
++++++++++
Each play contains a list of tasks. Tasks are executed in order, one
at a time, against all machines matched by the host pattern,
@ -117,7 +119,7 @@ like 'chmod' or 'setsebool', etc.
Task name and action
`````````````````````
++++++++++++++++++++
Every task must have a name, which is included in the output from
running the playbook.
@ -142,8 +144,8 @@ a variable called 'vhost' in the 'vars' section, you could do this::
Those same variables are usable in templates, which we'll get to later.
Notify statements
`````````````````
Notify statements & Handlers
````````````````````````````
As we've mentioned, nearly all modules are written to be 'idempotent' and can signal when
they have affected a change on the remote system. Playbooks recognize this and
@ -167,9 +169,6 @@ Next up, we'll show what a handler looks like.
.. note::
Notify handlers are always run in the order written.
Handlers
````````
Handlers are lists of tasks, not really any different from regular
tasks, that are referenced by name. Handlers are what notifiers
notify. If nothing notifies a handler, it will not run. Regardless

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