.. _kubernetes.core.helm_template_module:


*****************************
kubernetes.core.helm_template
*****************************

**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="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>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="2">
                    <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="2">
                    <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="2">
                    <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="2">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>dependency_update</b>
                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                    <div style="font-size: small">
                        <span style="color: purple">boolean</span>
                    </div>
                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.4.0</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 helm dependency update before the operation.</div>
                        <div>The <em>dependency_update</em> option require the add of <code>dependencies</code> block in <code>Chart.yaml/requirements.yaml</code> file.</div>
                        <div>For more information please visit <a href='https://helm.sh/docs/helm/helm_dependency/'>https://helm.sh/docs/helm/helm_dependency/</a></div>
                        <div style="font-size: small; color: darkgreen"><br/>aliases: dep_up</div>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>disable_hook</b>
                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                    <div style="font-size: small">
                        <span style="color: purple">boolean</span>
                    </div>
                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.4.0</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>Prevent hooks from running during install.</div>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <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="2">
                    <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="2">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>release_name</b>
                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                    <div style="font-size: small">
                        <span style="color: purple">string</span>
                    </div>
                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.4.0</div>
                </td>
                <td>
                </td>
                <td>
                        <div>Release name to use in rendered templates.</div>
                        <div style="font-size: small; color: darkgreen"><br/>aliases: name</div>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>release_namespace</b>
                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
                    <div style="font-size: small">
                        <span style="color: purple">string</span>
                    </div>
                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.4.0</div>
                </td>
                <td>
                </td>
                <td>
                        <div>namespace scope for this request.</div>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <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="2">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>set_values</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=dictionary</span>
                    </div>
                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.4.0</div>
                </td>
                <td>
                </td>
                <td>
                        <div>Values to pass to chart configuration.</div>
                </td>
            </tr>
                                <tr>
                    <td class="elbow-placeholder"></td>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>value</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>Value to pass to chart configuration (e.g phase=prod).</div>
                </td>
            </tr>
            <tr>
                    <td class="elbow-placeholder"></td>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>value_type</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><div style="color: blue"><b>raw</b>&nbsp;&larr;</div></li>
                                    <li>string</li>
                                    <li>json</li>
                                    <li>file</li>
                        </ul>
                </td>
                <td>
                        <div>Use <code>raw</code> set individual value.</div>
                        <div>Use <code>string</code> to force a string for an individual value.</div>
                        <div>Use <code>file</code> to set individual values from a file when the value itself is too long for the command line or is dynamically generated.</div>
                        <div>Use <code>json</code> to set json values (scalars/objects/arrays). This feature requires helm&gt;=3.10.0.</div>
                </td>
            </tr>

            <tr>
                <td colspan="2">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>show_only</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>
                    <div style="font-style: italic; font-size: small; color: darkgreen">added in 2.4.0</div>
                </td>
                <td>
                        <b>Default:</b><br/><div style="color: blue">[]</div>
                </td>
                <td>
                        <div>Only show manifests rendered from the given templates.</div>
                </td>
            </tr>
            <tr>
                <td colspan="2">
                    <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="2">
                    <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 }}"

    - name: Render MutatingWebhooksConfiguration for revision tag "canary", rev "1-13-0"
      kubernetes.core.helm_template:
        chart_ref: istio/istiod
        chart_version: "1.13.0"
        release_namespace: "istio-system"
        show_only:
          - "templates/revision-tags.yaml"
        release_values:
          revision: "1-13-0"
          revisionTags:
            - "canary"
      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)
