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kubernetes.core/docs/kubernetes.core.helm_template_module.rst
2021-04-16 10:19:47 +05:30

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.. _kubernetes.core.helm_template_module:
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kubernetes.core.helm_template
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**Render chart templates**
.. contents::
:local:
:depth: 1
Synopsis
--------
- Render chart templates to an output directory or as text of concatenated yaml documents.
Parameters
----------
.. raw:: html
<table border=0 cellpadding=0 class="documentation-table">
<tr>
<th colspan="1">Parameter</th>
<th>Choices/<font color="blue">Defaults</font></th>
<th width="100%">Comments</th>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>binary_path</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>The path of a helm binary to use.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>chart_ref</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">path</span>
/ <span style="color: red">required</span>
</div>
</td>
<td>
</td>
<td>
<div>Chart reference with repo prefix, for example, <code>nginx-stable/nginx-ingress</code>.</div>
<div>Path to a packaged chart.</div>
<div>Path to an unpacked chart directory.</div>
<div>Absolute URL.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>chart_repo_url</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>Chart repository URL where the requested chart is located.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>chart_version</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>Chart version to use. If this is not specified, the latest version is installed.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>include_crds</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">boolean</span>
</div>
</td>
<td>
<ul style="margin: 0; padding: 0"><b>Choices:</b>
<li><div style="color: blue"><b>no</b>&nbsp;&larr;</div></li>
<li>yes</li>
</ul>
</td>
<td>
<div>Include custom resource descriptions in rendered templates.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>output_dir</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>Output directory where templates will be written.</div>
<div>If the directory already exists, it will be overwritten.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>release_values</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>
<b>Default:</b><br/><div style="color: blue">{}</div>
</td>
<td>
<div>Values to pass to chart.</div>
<div style="font-size: small; color: darkgreen"><br/>aliases: values</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>update_repo_cache</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">boolean</span>
</div>
</td>
<td>
<ul style="margin: 0; padding: 0"><b>Choices:</b>
<li><div style="color: blue"><b>no</b>&nbsp;&larr;</div></li>
<li>yes</li>
</ul>
</td>
<td>
<div>Run <code>helm repo update</code> before the operation. Can be run as part of the template generation or as a separate step.</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="parameter-"></div>
<b>values_files</b>
<a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
<div style="font-size: small">
<span style="color: purple">list</span>
/ <span style="color: purple">elements=string</span>
</div>
</td>
<td>
<b>Default:</b><br/><div style="color: blue">[]</div>
</td>
<td>
<div>Value files to pass to chart.</div>
<div>Paths will be read from the target host&#x27;s filesystem, not the host running ansible.</div>
<div><em>values_files</em> option is evaluated before <em>values</em> option if both are used.</div>
<div>Paths are evaluated in the order the paths are specified.</div>
</td>
</tr>
</table>
<br/>
Examples
--------
.. code-block:: yaml
- name: Render templates to specified directory
kubernetes.core.helm_template:
chart_ref: stable/prometheus
output_dir: mycharts
- name: Render templates
kubernetes.core.helm_template:
chart_ref: stable/prometheus
register: result
- name: Write templates to file
copy:
dest: myfile.yaml
content: "{{ result.stdout }}"
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>command</b>
<a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
<div style="font-size: small">
<span style="color: purple">string</span>
</div>
</td>
<td>always</td>
<td>
<div>Full <code>helm</code> command run by this module, in case you want to re-run the command outside the module or debug a problem.</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;">helm template --output-dir mychart nginx-stable/nginx-ingress</div>
</td>
</tr>
<tr>
<td colspan="1">
<div class="ansibleOptionAnchor" id="return-"></div>
<b>stderr</b>
<a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
<div style="font-size: small">
<span style="color: purple">string</span>
</div>
</td>
<td>always</td>
<td>
<div>Full <code>helm</code> command stderr, in case you want to display it or examine the event log.</div>
<br/>
</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">string</span>
</div>
</td>
<td>always</td>
<td>
<div>Full <code>helm</code> command stdout. If no <em>output_dir</em> has been provided this will contain the rendered templates as concatenated yaml documents.</div>
<br/>
</td>
</tr>
</table>
<br/><br/>
Status
------
Authors
~~~~~~~
- Mike Graves (@gravesm)