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Chapter 4. Deprovisioning individual nodes or groups

You can deprovision automation mesh nodes and instance groups using the Ansible Automation Platform installer. The procedures in this section describe how to deprovision specific nodes or entire groups, with example inventory files for each procedure.

4.1. Deprovisioning individual nodes using the installer

You can deprovision nodes from your automation mesh using the Ansible Automation Platform installer. Edit the inventory file to mark the nodes to deprovision, then run the installer. Running the installer also removes all configuration files and logs attached to the node.

Note

You can deprovision any of your inventory’s hosts except for the first host specified in the [automationcontroller] group.

Procedure

  • Append node_state=deprovision to nodes in the installer file you want to deprovision.

Example

This example inventory file deprovisions two nodes from an automation mesh configuration.

[automationcontroller]
126-addr.tatu.home ansible_host=192.168.111.126  node_type=control
121-addr.tatu.home ansible_host=192.168.111.121  node_type=hybrid  routable_hostname=121-addr.tatu.home
115-addr.tatu.home ansible_host=192.168.111.115  node_type=hybrid node_state=deprovision

[automationcontroller:vars]
peers=connected_nodes

[execution_nodes]
110-addr.tatu.home ansible_host=192.168.111.110 receptor_listener_port=8928
108-addr.tatu.home ansible_host=192.168.111.108 receptor_listener_port=29182 node_state=deprovision
100-addr.tatu.home ansible_host=192.168.111.100 peers=110-addr.tatu.home node_type=hop

4.1.1. Deprovisioning isolated nodes

You have the option to manually remove any isolated nodes using the awx-manage deprovisioning utility.

Warning

Use the deprovisioning command to remove only isolated nodes that have not migrated to execution nodes. To deprovision execution nodes from your automation mesh architecture, use the installer method instead.

Procedure

  1. Shut down the instance:

    $ automation-controller-service stop
  2. Run the deprovision command from another instance, replacing host_name with the name of the node as listed in the inventory file:

    $ awx-manage deprovision_instance --hostname=<host_name>

4.2. Deprovisioning groups using the installer

You can deprovision entire groups from your automation mesh using the Ansible Automation Platform installer. Running the installer will remove all configuration files and logs attached to the nodes in the group.

Note

You can deprovision any hosts in your inventory except for the first host specified in the [automationcontroller] group.

Procedure

  • Add node_state=deprovision to the [group:vars] associated with the group you wish to deprovision.

Example

[execution_nodes]
execution-node-1.example.com peers=execution-node-2.example.com
execution-node-2.example.com peers=execution-node-3.example.com
execution-node-3.example.com peers=execution-node-4.example.com
execution-node-4.example.com peers=execution-node-5.example.com
execution-node-5.example.com peers=execution-node-6.example.com
execution-node-6.example.com peers=execution-node-7.example.com
execution-node-7.example.com

[execution_nodes:vars]
node_state=deprovision

4.2.1. Deprovisioning isolated instance groups

You have the option to manually remove any isolated instance groups using the awx-manage deprovisioning utility.

Warning

Use the deprovisioning command to only remove isolated instance groups. To deprovision instance groups from your automation mesh architecture, use the installer method instead.

Procedure

  • Run the following command, replacing <name> with the name of the instance group:

    $ awx-manage unregister_queue --queuename=<name>