host_groups.yml

---
- name: "Configure host groups"
  vars:
    host_group_map: {}
  module_defaults:
    group/vmware:
      hostname: "{{ hostvars[groups['vc'][0]].NESTEDVMIP }}"
      username: 'administrator@{{ vc_fact_domain }}'
      password: "{{ vc_fact_password }}"
      validate_certs: false
  block:
    - name: "Create DRS Host group variables"
      vars:
        affinty_type: "{{ item.zoneAffinity | default('ComputeCluster') }}"
      ansible.builtin.set_fact:
        host_group_map: "{{ host_group_map | default({}) | combine({item.name: []}) }}"
      when: "item.server == vcenter and affinty_type == 'HostGroup'"
      loop: "{{ vcenter_failure_domains }}"

    - name: "Populate DRS Host group variables"
      vars:
        affinty_type: "{{ item.zoneAffinity | default('ComputeCluster') }}"
      ansible.builtin.set_fact:
        host_group_map: "{{ host_group_map | default({}) | combine({item.name: host_group_map[item.name] + [hostvars[groups['esxi'][fd_idx]].NESTEDVMIP]}) }}"
      when: "item.server == vcenter and affinty_type == 'HostGroup'"
      loop: "{{ host_indexed_failure_domains }}"
      loop_control:
        index_var: fd_idx

    - name: "Create DRS Host group"
      vars:
        affinty_type: "{{ item.zoneAffinity | default('ComputeCluster') }}"
      community.vmware.vmware_drs_group:
        cluster_name: '{{ item.topology.computeCluster.split("/")[-1] }}'
        datacenter_name: "{{ item.topology.datacenter }}"
        group_name: "{{ item.name }}"
        hosts: "{{ host_group_map[item.name] }}"
        state: present
      when: "item.server == vcenter and affinty_type == 'HostGroup'"
      loop: "{{ host_indexed_failure_domains }}"
      loop_control:
        index_var: fd_idx