.. _community.vmware.vmware_host_dns_module:


********************************
community.vmware.vmware_host_dns
********************************

**Manage DNS configuration of an ESXi host system**



.. contents::
   :local:
   :depth: 1


Synopsis
--------
- This module can be used to configure DNS for the default TCP/IP stack on an ESXi host system.



Requirements
------------
The below requirements are needed on the host that executes this module.

- python >= 2.6
- PyVmomi


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>cluster_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>
                </td>
                <td>
                </td>
                <td>
                        <div>Name of the cluster from which all host systems will be used.</div>
                        <div>This parameter is required if <code>esxi_hostname</code> is not specified and you connect to a vCenter.</div>
                        <div>Cannot be used when you connect directly to an ESXi host.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>device</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>The VMkernel network adapter to obtain DNS settings from.</div>
                        <div>Needs to get its IP through DHCP, a static network configuration combined with a dynamic DNS configuration doesn&#x27;t work.</div>
                        <div>The parameter is only required in case of <code>type</code> is set to <code>dhcp</code>.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>dns_servers</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>
                </td>
                <td>
                        <div>A list of DNS servers to be used.</div>
                        <div>The order of the DNS servers is important as they are used consecutively in order.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>domain</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>The domain name to be used for the ESXi host.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>esxi_hostname</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>Name of the host system to work with.</div>
                        <div>This parameter is required if <code>cluster_name</code> is not specified and you connect to a vCenter.</div>
                        <div>Cannot be used when you connect directly to an ESXi host.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>host_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>
                </td>
                <td>
                </td>
                <td>
                        <div>The hostname to be used for the ESXi host.</div>
                        <div>Cannot be used when configuring a complete cluster.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>hostname</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>The hostname or IP address of the vSphere vCenter or ESXi server.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_HOST</code> will be used instead.</div>
                        <div>Environment variable support added in Ansible 2.6.</div>
                </td>
            </tr>
            <tr>
                <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>The password of the vSphere vCenter or ESXi server.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_PASSWORD</code> will be used instead.</div>
                        <div>Environment variable support added in Ansible 2.6.</div>
                        <div style="font-size: small; color: darkgreen"><br/>aliases: pass, pwd</div>
                </td>
            </tr>
            <tr>
                <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">443</div>
                </td>
                <td>
                        <div>The port number of the vSphere vCenter or ESXi server.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_PORT</code> will be used instead.</div>
                        <div>Environment variable support added in Ansible 2.6.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>proxy_host</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>Address of a proxy that will receive all HTTPS requests and relay them.</div>
                        <div>The format is a hostname or a IP.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_PROXY_HOST</code> will be used instead.</div>
                        <div>This feature depends on a version of pyvmomi greater than v6.7.1.2018.12</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>proxy_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>
                </td>
                <td>
                        <div>Port of the HTTP proxy that will receive all HTTPS requests and relay them.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_PROXY_PORT</code> will be used instead.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>search_domains</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>
                </td>
                <td>
                        <div>A list of domains to be searched through by the resolver.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>type</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>
                        <ul style="margin: 0; padding: 0"><b>Choices:</b>
                                    <li>dhcp</li>
                                    <li>static</li>
                        </ul>
                </td>
                <td>
                        <div>Type of DNS assignment. Either <code>dhcp</code> or <code>static</code>.</div>
                        <div>A VMkernel adapter needs to be set to DHCP if <code>type</code> is set to <code>dhcp</code>.</div>
                </td>
            </tr>
            <tr>
                <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>The username of the vSphere vCenter or ESXi server.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_USER</code> will be used instead.</div>
                        <div>Environment variable support added in Ansible 2.6.</div>
                        <div style="font-size: small; color: darkgreen"><br/>aliases: admin, user</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>validate_certs</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>no</li>
                                    <li><div style="color: blue"><b>yes</b>&nbsp;&larr;</div></li>
                        </ul>
                </td>
                <td>
                        <div>Allows connection when SSL certificates are not valid. Set to <code>false</code> when certificates are not trusted.</div>
                        <div>If the value is not specified in the task, the value of environment variable <code>VMWARE_VALIDATE_CERTS</code> will be used instead.</div>
                        <div>Environment variable support added in Ansible 2.6.</div>
                        <div>If set to <code>true</code>, please make sure Python &gt;= 2.7.9 is installed on the given machine.</div>
                </td>
            </tr>
            <tr>
                <td colspan="1">
                    <div class="ansibleOptionAnchor" id="parameter-"></div>
                    <b>verbose</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>Verbose output of the DNS server configuration change.</div>
                        <div>Explains if an DNS server was added, removed, or if the DNS server sequence was changed.</div>
                </td>
            </tr>
    </table>
    <br/>


Notes
-----

.. note::
   - This module is a replacement for the module ``vmware_dns_config``
   - Tested on vSphere 6.7



Examples
--------

.. code-block:: yaml

    - name: Configure DNS for an ESXi host
      community.vmware.vmware_host_dns:
        hostname: '{{ vcenter_hostname }}'
        username: '{{ vcenter_username }}'
        password: '{{ vcenter_password }}'
        esxi_hostname: '{{ esxi_hostname }}'
        type: static
        host_name: esx01
        domain: example.local
        dns_servers:
          - 192.168.1.10
          - 192.168.1.11
        search_domains:
          - subdomain.example.local
          - example.local
      delegate_to: localhost

    - name: Configure DNS for all ESXi hosts of a cluster
      community.vmware.vmware_host_dns:
        hostname: '{{ vcenter_hostname }}'
        username: '{{ vcenter_username }}'
        password: '{{ vcenter_password }}'
        cluster_name: '{{ cluster_name }}'
        type: static
        domain: example.local
        dns_servers:
          - 192.168.1.10
          - 192.168.1.11
        search_domains:
          - subdomain.example.local
          - example.local
      delegate_to: localhost

    - name: Configure DNS via DHCP for an ESXi host
      community.vmware.vmware_host_dns:
        hostname: '{{ vcenter_hostname }}'
        username: '{{ vcenter_username }}'
        password: '{{ vcenter_password }}'
        esxi_hostname: '{{ esxi_hostname }}'
        type: dhcp
        device: vmk0
      delegate_to: localhost



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>dns_config_result</b>
                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
                    <div style="font-size: small">
                      <span style="color: purple">dictionary</span>
                    </div>
                </td>
                <td>always</td>
                <td>
                            <div>metadata about host system&#x27;s DNS configuration</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;">{&#x27;esx01.example.local&#x27;: {&#x27;changed&#x27;: True, &#x27;dns_servers_changed&#x27;: [&#x27;192.168.1.12&#x27;, &#x27;192.168.1.13&#x27;], &#x27;dns_servers&#x27;: [&#x27;192.168.1.10&#x27;, &#x27;192.168.1.11&#x27;], &#x27;dns_servers_previous&#x27;: [&#x27;192.168.1.10&#x27;, &#x27;192.168.1.11&#x27;, &#x27;192.168.1.12&#x27;, &#x27;192.168.1.13&#x27;], &#x27;domain&#x27;: &#x27;example.local&#x27;, &#x27;host_name&#x27;: &#x27;esx01&#x27;, &#x27;msg&#x27;: &#x27;DNS servers and Search domains changed&#x27;, &#x27;search_domains_changed&#x27;: [&#x27;subdomain.example.local&#x27;], &#x27;search_domains&#x27;: [&#x27;subdomain.example.local&#x27;, &#x27;example.local&#x27;], &#x27;search_domains_previous&#x27;: [&#x27;example.local&#x27;]}}</div>
                </td>
            </tr>
    </table>
    <br/><br/>


Status
------


Authors
~~~~~~~

- Christian Kotte (@ckotte)
- Mario Lenz (@mariolenz)
