5.4. Using Ansible to ensure an IdM location is present


As a system administrator of Identity Management (IdM), you can configure IdM DNS locations to allow clients to locate authentication servers within the closest network infrastructure.

The following procedure describes how to use an Ansible playbook to ensure a DNS location is present in IdM. The example describes how to ensure that the germany DNS location is present in IdM. As a result, you can assign particular IdM servers to this location so that local IdM clients can use them to reduce server response time.

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.
  • You understand the deployment considerations for DNS locations.

Procedure

  1. Navigate to the ~/MyPlaybooks/ directory:

    $ cd ~/MyPlaybooks/
  2. Make a copy of the location-present.yml file located in the /usr/share/ansible/collections/ansible_collections/freeipa/ansible_freeipa/playbooks/location/ directory:

    $ cp /usr/share/ansible/collections/ansible_collections/freeipa/ansible_freeipa/playbooks/location/location-present.yml location-present-copy.yml
  3. Open the location-present-copy.yml Ansible playbook file for editing.
  4. Adapt the file by setting the following variables in the freeipa.ansible_freeipa.ipalocation task section:

    • Adapt the name of the task to correspond to your use case.
    • Indicate that the value of the ipaadmin_password variable is defined in the secret.yml Ansible vault file.
    • Set the name variable to the name of the location.

    This is the modified Ansible playbook file for the current example:

    ---
    - name: location present example
      hosts: ipaserver
    
      vars_files:
      - /home/user_name/MyPlaybooks/secret.yml
      tasks:
      - name: Ensure that the "germany" location is present
        freeipa.ansible_freeipa.ipalocation:
          ipaadmin_password: "{{ ipaadmin_password }}"
          name: germany
  5. Save the file.
  6. Run the Ansible playbook. Specify the playbook file, the file storing the password protecting the secret.yml file, and the inventory file:

    $ ansible-playbook --vault-password-file=password_file -v -i inventory location-present-copy.yml
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