24.11. Uninstalling an IdM server using an Ansible playbook


注記

In an existing Identity Management (IdM) deployment, replica and server are interchangeable terms.

Complete this procedure to uninstall an IdM replica using an Ansible playbook. In this example:

  • IdM configuration is uninstalled from server123.idm.example.com.
  • server123.idm.example.com and the associated host entry are removed from the IdM topology.

Prerequisites

  • On the control node:

    • You are using Ansible version 2.15 or later.
    • You have installed the ansible-freeipa package.
    • The example assumes that in the ~/MyPlaybooks/ directory, you have created an Ansible inventory file with the fully-qualified domain name (FQDN) of the IdM server.
    • The example assumes that the secret.yml Ansible vault stores your ipaadmin_password and that you have access to a file that stores the password protecting the secret.yml file.
  • The target node, that is the node on which the freeipa.ansible_freeipa module is executed, is part of the IdM domain as an IdM client, server or replica.
  • On the managed node:

    • The system is running on RHEL 10.

Procedure

  1. Create your Ansible playbook file uninstall-server.yml with the following content:

    ---
    - name: Playbook to uninstall an IdM replica
      hosts: ipaserver
      become: true
    
      roles:
      - role: freeipa.ansible_freeipa.ipaserver
        ipaserver_remove_from_domain: true
        state: absent

    The ipaserver_remove_from_domain option unenrolls the host from the IdM topology.

    注記

    If the removal of server123.idm.example.com should lead to a disconnected topology, the removal will be aborted. For more information, see Using an Ansible playbook to uninstall an IdM server even if this leads to a disconnected topology.

  2. Uninstall the replica:

    $ ansible-playbook --vault-password-file=password_file -v -i <path_to_inventory_directory>/inventory <path_to_playbooks_directory>/uninstall-server.yml
  3. Ensure that all name server (NS) DNS records pointing to server123.idm.example.com are deleted from your DNS zones. This applies regardless of whether you use integrated DNS managed by IdM or external DNS.
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