216 lines
7.5 KiB
ReStructuredText
216 lines
7.5 KiB
ReStructuredText
.. _ansible.posix.sysctl_module:
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********************
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ansible.posix.sysctl
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********************
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**Manage entries in sysctl.conf.**
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Version added: 1.0.0
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.. contents::
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:local:
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:depth: 1
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Synopsis
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--------
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- This module manipulates sysctl entries and optionally performs a ``/sbin/sysctl -p`` after changing them.
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Parameters
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----------
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.. raw:: html
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<table border=0 cellpadding=0 class="documentation-table">
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<tr>
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<th colspan="1">Parameter</th>
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<th>Choices/<font color="blue">Defaults</font></th>
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<th width="100%">Comments</th>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>ignoreerrors</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">boolean</span>
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</div>
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</td>
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<td>
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<ul style="margin: 0; padding: 0"><b>Choices:</b>
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<li><div style="color: blue"><b>no</b> ←</div></li>
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<li>yes</li>
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</ul>
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</td>
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<td>
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<div>Use this option to ignore errors about unknown keys.</div>
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</td>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>name</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">string</span>
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/ <span style="color: red">required</span>
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</div>
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</td>
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<td>
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</td>
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<td>
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<div>The dot-separated path (also known as <em>key</em>) specifying the sysctl variable.</div>
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<div style="font-size: small; color: darkgreen"><br/>aliases: key</div>
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</td>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>reload</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">boolean</span>
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</div>
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</td>
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<td>
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<ul style="margin: 0; padding: 0"><b>Choices:</b>
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<li>no</li>
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<li><div style="color: blue"><b>yes</b> ←</div></li>
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</ul>
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</td>
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<td>
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<div>If <code>true</code>, performs a <em>/sbin/sysctl -p</em> if the <code>sysctl_file</code> is updated. If <code>false</code>, does not reload <em>sysctl</em> even if the <code>sysctl_file</code> is updated.</div>
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</td>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>state</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">string</span>
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</div>
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</td>
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<td>
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<ul style="margin: 0; padding: 0"><b>Choices:</b>
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<li><div style="color: blue"><b>present</b> ←</div></li>
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<li>absent</li>
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</ul>
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</td>
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<td>
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<div>Whether the entry should be present or absent in the sysctl file.</div>
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</td>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>sysctl_file</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">path</span>
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</div>
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</td>
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<td>
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<b>Default:</b><br/><div style="color: blue">"/etc/sysctl.conf"</div>
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</td>
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<td>
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<div>Specifies the absolute path to <code>sysctl.conf</code>, if not <code>/etc/sysctl.conf</code>.</div>
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</td>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>sysctl_set</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">boolean</span>
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</div>
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</td>
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<td>
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<ul style="margin: 0; padding: 0"><b>Choices:</b>
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<li><div style="color: blue"><b>no</b> ←</div></li>
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<li>yes</li>
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</ul>
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</td>
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<td>
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<div>Verify token value with the sysctl command and set with -w if necessary.</div>
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</td>
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</tr>
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<tr>
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<td colspan="1">
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<div class="ansibleOptionAnchor" id="parameter-"></div>
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<b>value</b>
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<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
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<div style="font-size: small">
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<span style="color: purple">string</span>
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</div>
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</td>
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<td>
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</td>
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<td>
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<div>Desired value of the sysctl key.</div>
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<div style="font-size: small; color: darkgreen"><br/>aliases: val</div>
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</td>
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</tr>
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</table>
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<br/>
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Examples
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--------
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.. code-block:: yaml
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# Set vm.swappiness to 5 in /etc/sysctl.conf
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- ansible.posix.sysctl:
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name: vm.swappiness
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value: '5'
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state: present
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# Remove kernel.panic entry from /etc/sysctl.conf
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- ansible.posix.sysctl:
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name: kernel.panic
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state: absent
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sysctl_file: /etc/sysctl.conf
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# Set kernel.panic to 3 in /tmp/test_sysctl.conf
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- ansible.posix.sysctl:
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name: kernel.panic
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value: '3'
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sysctl_file: /tmp/test_sysctl.conf
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reload: false
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# Set ip forwarding on in /proc and verify token value with the sysctl command
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- ansible.posix.sysctl:
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name: net.ipv4.ip_forward
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value: '1'
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sysctl_set: true
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# Set ip forwarding on in /proc and in the sysctl file and reload if necessary
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- ansible.posix.sysctl:
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name: net.ipv4.ip_forward
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value: '1'
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sysctl_set: true
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state: present
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reload: true
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Status
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------
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Authors
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~~~~~~~
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- David CHANIAL (@davixx)
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