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- <div class="section" id="knife-role">
-<h1>knife role<a class="headerlink" href="#knife-role" title="Permalink to this headline">¶</a></h1>
-<p>A role is a way to define certain patterns and processes that exist across nodes in an organization as belonging to a single job function. Each role consists of zero (or more) attributes and a run-list. Each node can have zero (or more) roles assigned to it. When a role is run against a node, the configuration details of that node are compared against the attributes of the role, and then the contents of that role&#8217;s run-list are applied to the node&#8217;s configuration details. When a chef-client runs, it merges its own attributes and run-lists with those contained within each assigned role.</p>
-<p>The <strong>knife role</strong> subcommand is used to manage the roles that are associated with one or more nodes on a Chef server.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">To add a role to a node and then build out the run-list for that node, use the <a class="reference internal" href="knife_node.html"><em>knife node</em></a> sub-command and its <tt class="docutils literal"><span class="pre">run_list</span> <span class="pre">add</span></tt> argument.</p>
-</div>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Review the list of <a class="reference internal" href="knife_common_options.html"><em>common options</em></a> available to this (and all) knife subcommands and plugins.</p>
-</div>
-<div class="section" id="bulk-delete">
-<h2>bulk delete<a class="headerlink" href="#bulk-delete" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">bulk</span> <span class="pre">delete</span></tt> argument is used to delete one or more roles that match a pattern defined by a regular expression. The regular expression must be within quotes and not be surrounded by forward slashes (/).</p>
-<div class="section" id="syntax">
-<h3>Syntax<a class="headerlink" href="#syntax" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role bulk delete REGEX
-</pre></div>
-</div>
-</div>
-<div class="section" id="options">
-<h3>Options<a class="headerlink" href="#options" title="Permalink to this headline">¶</a></h3>
-<p>This command does not have any specific options.</p>
-</div>
-<div class="section" id="examples">
-<h3>Examples<a class="headerlink" href="#examples" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>Bulk delete roles</strong></p>
-<p>Use a regular expression to define the pattern used to bulk delete roles:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role bulk delete <span class="s2">&quot;^[0-9]{3}$&quot;</span>
-</pre></div>
-</div>
-</div>
-</div>
-<div class="section" id="create">
-<h2>create<a class="headerlink" href="#create" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">create</span></tt> argument is used to add a role to the Chef server. Role data is saved as JSON on the Chef server.</p>
-<div class="section" id="id1">
-<h3>Syntax<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role create ROLE_NAME <span class="o">(</span>options<span class="o">)</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="id2">
-<h3>Options<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following options:</p>
-<dl class="docutils">
-<dt><tt class="docutils literal"><span class="pre">-d</span> <span class="pre">DESCRIPTION</span></tt>, <tt class="docutils literal"><span class="pre">--description</span> <span class="pre">DESCRIPTION</span></tt></dt>
-<dd>The description of the role. This value will populate the description field for the role on the Chef server.</dd>
-</dl>
-</div>
-<div class="section" id="id3">
-<h3>Examples<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>Create a role</strong></p>
-<p>To add a role named <tt class="docutils literal"><span class="pre">role1</span></tt>, enter:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role create role1
-</pre></div>
-</div>
-<p>In the $EDITOR enter the role data in JSON:</p>
-<div class="highlight-javascript"><div class="highlight"><pre>## sample:
-{
- &quot;name&quot;: &quot;role1&quot;,
- &quot;default_attributes&quot;: {
- },
- &quot;json_class&quot;: &quot;Chef::Role&quot;,
- &quot;run_list&quot;: [&#39;recipe[cookbook_name::recipe_name],
- role[role_name]&#39;
- ],
- &quot;description&quot;: &quot;&quot;,
- &quot;chef_type&quot;: &quot;role&quot;,
- &quot;override_attributes&quot;: {
- }
-}
-</pre></div>
-</div>
-<p>When finished, save it.</p>
-</div>
-</div>
-<div class="section" id="delete">
-<h2>delete<a class="headerlink" href="#delete" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">delete</span></tt> argument is used to delete a role from the Chef server.</p>
-<div class="section" id="id4">
-<h3>Syntax<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role delete ROLE_NAME
-</pre></div>
-</div>
-</div>
-<div class="section" id="id5">
-<h3>Options<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h3>
-<p>This command does not have any specific options.</p>
-</div>
-<div class="section" id="id6">
-<h3>Examples<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>Delete a role</strong></p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role delete devops
-</pre></div>
-</div>
-<p>Type <tt class="docutils literal"><span class="pre">Y</span></tt> to confirm a deletion.</p>
-</div>
-</div>
-<div class="section" id="edit">
-<h2>edit<a class="headerlink" href="#edit" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">edit</span></tt> argument is used to edit role details on the Chef server.</p>
-<div class="section" id="id7">
-<h3>Syntax<a class="headerlink" href="#id7" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role edit ROLE_NAME
-</pre></div>
-</div>
-</div>
-<div class="section" id="id8">
-<h3>Options<a class="headerlink" href="#id8" title="Permalink to this headline">¶</a></h3>
-<p>This command does not have any specific options.</p>
-</div>
-<div class="section" id="id9">
-<h3>Examples<a class="headerlink" href="#id9" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>Edit a role</strong></p>
-<p>To edit the data for a role named <tt class="docutils literal"><span class="pre">role1</span></tt>, enter:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role edit role1
-</pre></div>
-</div>
-<p>Update the role data in JSON:</p>
-<div class="highlight-javascript"><div class="highlight"><pre>## sample:
-{
- &quot;name&quot;: &quot;role1&quot;,
- &quot;default_attributes&quot;: {
- },
- &quot;json_class&quot;: &quot;Chef::Role&quot;,
- &quot;run_list&quot;: [&#39;recipe[cookbook_name::recipe_name],
- role[role_name]&#39;
- ],
- &quot;description&quot;: &quot;This is the description for the role1 role.&quot;,
- &quot;chef_type&quot;: &quot;role&quot;,
- &quot;override_attributes&quot;: {
- }
-}
-</pre></div>
-</div>
-<p>When finished, save it.</p>
-</div>
-</div>
-<div class="section" id="from-file">
-<h2>from file<a class="headerlink" href="#from-file" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">from</span> <span class="pre">file</span></tt> argument is used to create a role using existing JSON data as a template.</p>
-<div class="section" id="id10">
-<h3>Syntax<a class="headerlink" href="#id10" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role from file FILE
-</pre></div>
-</div>
-</div>
-<div class="section" id="id11">
-<h3>Options<a class="headerlink" href="#id11" title="Permalink to this headline">¶</a></h3>
-<p>This command does not have any specific options.</p>
-</div>
-<div class="section" id="id12">
-<h3>Examples<a class="headerlink" href="#id12" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>Create a role using JSON data</strong></p>
-<p>To view role details based on the values contained in a JSON file:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role from file <span class="s2">&quot;path to JSON file&quot;</span>
-</pre></div>
-</div>
-</div>
-</div>
-<div class="section" id="list">
-<h2>list<a class="headerlink" href="#list" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">list</span></tt> argument is used to view a list of roles that are currently available on the Chef server.</p>
-<div class="section" id="id13">
-<h3>Syntax<a class="headerlink" href="#id13" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role list
-</pre></div>
-</div>
-</div>
-<div class="section" id="id14">
-<h3>Options<a class="headerlink" href="#id14" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following options:</p>
-<dl class="docutils">
-<dt><tt class="docutils literal"><span class="pre">-w</span></tt>, <tt class="docutils literal"><span class="pre">--with-uri</span></tt></dt>
-<dd>Use to show the corresponding URIs.</dd>
-</dl>
-</div>
-<div class="section" id="id15">
-<h3>Examples<a class="headerlink" href="#id15" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>View a list of roles</strong></p>
-<p>To view a list of roles on the Chef server and display the URI for each role returned, enter:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role list -w
-</pre></div>
-</div>
-</div>
-</div>
-<div class="section" id="show">
-<h2>show<a class="headerlink" href="#show" title="Permalink to this headline">¶</a></h2>
-<p>The <tt class="docutils literal"><span class="pre">show</span></tt> argument is used to view the details of a role.</p>
-<div class="section" id="id16">
-<h3>Syntax<a class="headerlink" href="#id16" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following syntax:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role show ROLE_NAME
-</pre></div>
-</div>
-</div>
-<div class="section" id="id17">
-<h3>Options<a class="headerlink" href="#id17" title="Permalink to this headline">¶</a></h3>
-<p>This argument has the following options:</p>
-<dl class="docutils">
-<dt><tt class="docutils literal"><span class="pre">-a</span> <span class="pre">ATTR</span></tt>, <tt class="docutils literal"><span class="pre">--attribute</span> <span class="pre">ATTR</span></tt></dt>
-<dd>The attribute (or attributes) to show.</dd>
-</dl>
-</div>
-<div class="section" id="id18">
-<h3>Examples<a class="headerlink" href="#id18" title="Permalink to this headline">¶</a></h3>
-<p>The following examples show how to use this knife subcommand:</p>
-<p><strong>Show as JSON data</strong></p>
-<p>To view information in JSON format, use the <tt class="docutils literal"><span class="pre">-F</span></tt> common option as part of the command like this:</p>
-<div class="highlight-bash"><div class="highlight"><pre><span class="nv">$ </span>knife role show devops -F json
-</pre></div>
-</div>
-<p>Other formats available include <tt class="docutils literal"><span class="pre">text</span></tt>, <tt class="docutils literal"><span class="pre">yaml</span></tt>, and <tt class="docutils literal"><span class="pre">pp</span></tt>.</p>
-<p><strong>Show as raw JSON data</strong></p>
-<p>To view node information in raw JSON, use the <tt class="docutils literal"><span class="pre">-l</span></tt> or <tt class="docutils literal"><span class="pre">--long</span></tt> option:</p>
-<div class="highlight-bash"><div class="highlight"><pre>knife node show -l -F json &lt;node_name&gt;
-</pre></div>
-</div>
-<p>and/or:</p>
-<div class="highlight-bash"><div class="highlight"><pre>knife node show -l --format<span class="o">=</span>json &lt;node_name&gt;
-</pre></div>
-</div>
-</div>
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