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|
.. _vyos.vyos.vyos_command_module:
**********************
vyos.vyos.vyos_command
**********************
**Run one or more commands on VyOS devices**
Version added: 1.0.0
.. contents::
:local:
:depth: 1
Synopsis
--------
- The command module allows running one or more commands on remote devices running VyOS. This module can also be introspected to validate key parameters before returning successfully. If the conditional statements are not met in the wait period, the task fails.
- Certain ``show`` commands in VyOS produce many lines of output and use a custom pager that can cause this module to hang. If the value of the environment variable ``ANSIBLE_VYOS_TERMINAL_LENGTH`` is not set, the default number of 10000 is used.
Parameters
----------
.. raw:: html
<table border=0 cellpadding=0 class="documentation-table">
<tr>
<th colspan="2">Parameter</th>
<th>Choices/<font color="blue">Defaults</font></th>
<th width="100%">Comments</th>
</tr>
<tr>
<td colspan="2">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>commands</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">-</span>
/ <span style="color: red">required</span> </div>
</td>
<td>
</td>
<td>
<div>The ordered set of commands to execute on the remote device running VyOS. The output from the command execution is returned to the playbook. If the <em>wait_for</em> argument is provided, the module is not returned until the condition is satisfied or the number of retries has been exceeded.</div>
</td>
</tr>
<tr>
<td colspan="2">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>interval</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">-</span>
</div>
</td>
<td>
<b>Default:</b><br/><div style="color: blue">1</div>
</td>
<td>
<div>Configures the interval in seconds to wait between <em>retries</em> of the command. If the command does not pass the specified conditions, the interval indicates how long to wait before trying the command again.</div>
</td>
</tr>
<tr>
<td colspan="2">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>match</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">-</span>
</div>
</td>
<td>
<ul style="margin: 0; padding: 0"><b>Choices:</b>
<li>any</li>
<li><div style="color: blue"><b>all</b> ←</div></li>
</ul>
</td>
<td>
<div>The <em>match</em> argument is used in conjunction with the <em>wait_for</em> argument to specify the match policy. Valid values are <code>all</code> or <code>any</code>. If the value is set to <code>all</code> then all conditionals in the wait_for must be satisfied. If the value is set to <code>any</code> then only one of the values must be satisfied.</div>
</td>
</tr>
<tr>
<td colspan="2">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>provider</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">dictionary</span>
</div>
</td>
<td>
</td>
<td>
<div><b>Deprecated</b></div>
<div>Starting with Ansible 2.5 we recommend using <code>connection: network_cli</code>.</div>
<div>For more information please see the <a href='../network/getting_started/network_differences.html#multiple-communication-protocols'>Network Guide</a>.</div>
<div><hr/></div>
<div>A dict object containing connection details.</div>
</td>
</tr>
<tr>
<td class="elbow-placeholder"></td>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>host</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">string</span>
/ <span style="color: red">required</span> </div>
</td>
<td>
</td>
<td>
<div>Specifies the DNS host name or address for connecting to the remote device over the specified transport. The value of host is used as the destination address for the transport.</div>
</td>
</tr>
<tr>
<td class="elbow-placeholder"></td>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>password</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">string</span>
</div>
</td>
<td>
</td>
<td>
<div>Specifies the password to use to authenticate the connection to the remote device. This value is used to authenticate the SSH session. If the value is not specified in the task, the value of environment variable <code>ANSIBLE_NET_PASSWORD</code> will be used instead.</div>
</td>
</tr>
<tr>
<td class="elbow-placeholder"></td>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>port</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">integer</span>
</div>
</td>
<td>
<b>Default:</b><br/><div style="color: blue">22</div>
</td>
<td>
<div>Specifies the port to use when building the connection to the remote device.</div>
</td>
</tr>
<tr>
<td class="elbow-placeholder"></td>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>ssh_keyfile</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">path</span>
</div>
</td>
<td>
</td>
<td>
<div>Specifies the SSH key to use to authenticate the connection to the remote device. This value is the path to the key used to authenticate the SSH session. If the value is not specified in the task, the value of environment variable <code>ANSIBLE_NET_SSH_KEYFILE</code> will be used instead.</div>
</td>
</tr>
<tr>
<td class="elbow-placeholder"></td>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>timeout</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">integer</span>
</div>
</td>
<td>
<b>Default:</b><br/><div style="color: blue">10</div>
</td>
<td>
<div>Specifies the timeout in seconds for communicating with the network device for either connecting or sending commands. If the timeout is exceeded before the operation is completed, the module will error.</div>
</td>
</tr>
<tr>
<td class="elbow-placeholder"></td>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>username</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">string</span>
</div>
</td>
<td>
</td>
<td>
<div>Configures the username to use to authenticate the connection to the remote device. This value is used to authenticate the SSH session. If the value is not specified in the task, the value of environment variable <code>ANSIBLE_NET_USERNAME</code> will be used instead.</div>
</td>
</tr>
<tr>
<td colspan="2">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>retries</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">-</span>
</div>
</td>
<td>
<b>Default:</b><br/><div style="color: blue">10</div>
</td>
<td>
<div>Specifies the number of retries a command should be tried before it is considered failed. The command is run on the target device every retry and evaluated against the <em>wait_for</em> conditionals.</div>
</td>
</tr>
<tr>
<td colspan="2">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>wait_for</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">-</span>
</div>
</td>
<td>
</td>
<td>
<div>Specifies what to evaluate from the output of the command and what conditionals to apply. This argument will cause the task to wait for a particular conditional to be true before moving forward. If the conditional is not true by the configured <em>retries</em>, the task fails. See examples.</div>
<div style="font-size: small; color: darkgreen"><br/>aliases: waitfor</div>
</td>
</tr>
</table>
<br/>
Notes
-----
.. note::
- Tested against VyOS 1.1.8 (helium).
- Running ``show system boot-messages all`` will cause the module to hang since VyOS is using a custom pager setting to display the output of that command.
- If a command sent to the device requires answering a prompt, it is possible to pass a dict containing *command*, *answer* and *prompt*. See examples.
- This module works with connection ``network_cli``. See `the VyOS OS Platform Options <../network/user_guide/platform_vyos.html>`_.
- For more information on using Ansible to manage network devices see the :ref:`Ansible Network Guide <network_guide>`
Examples
--------
.. code-block:: yaml+jinja
- name: show configuration on ethernet devices eth0 and eth1
vyos.vyos.vyos_command:
commands:
- show interfaces ethernet {{ item }}
with_items:
- eth0
- eth1
- name: run multiple commands and check if version output contains specific version
string
vyos.vyos.vyos_command:
commands:
- show version
- show hardware cpu
wait_for:
- result[0] contains 'VyOS 1.1.7'
- name: run command that requires answering a prompt
vyos.vyos.vyos_command:
commands:
- command: rollback 1
prompt: Proceed with reboot? [confirm][y]
answer: y
Return Values
-------------
Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this module:
.. raw:: html
<table border=0 cellpadding=0 class="documentation-table">
<tr>
<th colspan="1">Key</th>
<th>Returned</th>
<th width="100%">Description</th>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="return-"></div>
<b>failed_conditions</b>
<a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
<div style="font-size: small">
<span style="color: purple">list</span>
</div>
</td>
<td>failed</td>
<td>
<div>The list of conditionals that have failed</div>
<br/>
<div style="font-size: smaller"><b>Sample:</b></div>
<div style="font-size: smaller; color: blue; word-wrap: break-word; word-break: break-all;">['...', '...']</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="return-"></div>
<b>stdout</b>
<a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
<div style="font-size: small">
<span style="color: purple">list</span>
</div>
</td>
<td>always apart from low level errors (such as action plugin)</td>
<td>
<div>The set of responses from the commands</div>
<br/>
<div style="font-size: smaller"><b>Sample:</b></div>
<div style="font-size: smaller; color: blue; word-wrap: break-word; word-break: break-all;">['...', '...']</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="return-"></div>
<b>stdout_lines</b>
<a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
<div style="font-size: small">
<span style="color: purple">list</span>
</div>
</td>
<td>always</td>
<td>
<div>The value of stdout split into a list</div>
<br/>
<div style="font-size: smaller"><b>Sample:</b></div>
<div style="font-size: smaller; color: blue; word-wrap: break-word; word-break: break-all;">[['...', '...'], ['...'], ['...']]</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="return-"></div>
<b>warnings</b>
<a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
<div style="font-size: small">
<span style="color: purple">list</span>
</div>
</td>
<td>always</td>
<td>
<div>The list of warnings (if any) generated by module based on arguments</div>
<br/>
<div style="font-size: smaller"><b>Sample:</b></div>
<div style="font-size: smaller; color: blue; word-wrap: break-word; word-break: break-all;">['...', '...']</div>
</td>
</tr>
</table>
<br/><br/>
Status
------
Authors
~~~~~~~
- Nathaniel Case (@Qalthos)
.. hint::
Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.
|
