okd/playbooks/common/openshift-cluster/evaluate_groups.yml

---
- name: Populate config host groups
  hosts: localhost
  gather_facts: no
  tasks:
  - fail:
      msg: This playbook requires g_etcd_group to be set
    when: g_etcd_group is not defined

  - fail:
      msg: This playbook requires g_masters_group to be set
    when: g_masters_group is not defined

  - fail:
      msg: This playbook requires g_nodes_group or g_new_nodes_group to be set
    when: g_nodes_group is not defined and g_new_nodes_group is not defined

  - fail:
      msg: This playbook requires g_lb_group to be set
    when: g_lb_group is not defined

  - name: Evaluate oo_etcd_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_etcd_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    with_items: groups[g_etcd_group] | default([])

  - name: Evaluate oo_masters_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_masters_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    with_items: groups[g_masters_group] | default([])

  # Use g_new_nodes_group if it exists otherwise g_nodes_group
  - set_fact:
      g_nodes_to_config: "{{ g_new_nodes_group | default(g_nodes_group | default([])) }}"

  - name: Evaluate oo_nodes_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_nodes_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    with_items: groups[g_nodes_to_config] | default([])

  # Skip adding the master to oo_nodes_to_config when g_new_nodes_group is
  - name: Evaluate oo_nodes_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_nodes_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    with_items: groups[g_masters_group] | default([])
    when: g_nodeonmaster | default(false) == true and g_new_nodes_group is not defined

  - name: Evaluate oo_first_etcd
    add_host:
      name: "{{ groups[g_etcd_group][0] }}"
      groups: oo_first_etcd
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
    when: g_etcd_group in groups and (groups[g_etcd_group] | length) > 0

  - name: Evaluate oo_first_master
    add_host:
      name: "{{ groups[g_masters_group][0] }}"
      groups: oo_first_master
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    when: g_masters_group in groups and (groups[g_masters_group] | length) > 0

  - name: Evaluate oo_lb_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_lb_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    with_items: groups[g_lb_group] | default([])