tasks/local_mgmt_ip.yml

---
- block:
  - name: Normalized name for management server local ip if on DC-1
    cache:
      key: 'local_mgmt_ip'
      value: "{{ hostvars[groups['dc-1-ms'][0]][interface_name].ipv4.address }}"
    when: groups['dc-1'] is defined and groups['dc-1-ms'] is defined and inventory_hostname in groups['dc-1']

  - name: Normalized name for management server local ip if on DC-2
    cache:
      key: 'local_mgmt_ip'
      value: "{{ hostvars[groups['dc-2-ms'][0]][interface_name].ipv4.address }}"
    when: groups['dc-2'] is defined and groups['dc-2-ms'] is defined and inventory_hostname in groups['dc-2']

  - name: Normalized name for management server local ip to DC-1 if current node is not on DC-1 or DC-2
    cache:
      key: 'local_mgmt_ip'
      value: "{{ hostvars[groups['dc-1-ms'][0]][interface_name].ipv4.address }}"
    when: not (inventory_hostname in groups['dc-1']) and not (inventory_hostname in groups['dc-2'])
  when: groups['dc-1'] is defined or groups['dc-1-ms'] is defined