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

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

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

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

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

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

  - fail:
      msg: The nfs group must be limited to one host
    when: (groups[g_nfs_hosts] | default([])) | length > 1

  - 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: "{{ g_etcd_hosts | 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: "{{ g_master_hosts | default([]) }}"

  # Use g_new_node_hosts if it exists otherwise g_node_hosts
  - set_fact:
      g_node_hosts_to_config: "{{ g_new_node_hosts | default(g_node_hosts | 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: "{{ g_node_hosts_to_config | default([]) }}"

  # Skip adding the master to oo_nodes_to_config when g_new_node_hosts 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: "{{ g_master_hosts | default([]) }}"
    when: g_nodeonmaster | default(false) == true and g_new_node_hosts is not defined

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

  - name: Evaluate oo_first_master
    add_host:
      name: "{{ g_master_hosts[0] }}"
      groups: oo_first_master
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_sudo: "{{ g_sudo | default(omit) }}"
    when: g_master_hosts|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: "{{ g_lb_hosts | default([]) }}"

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