okd/playbooks/init/evaluate_groups.yml

---
- name: Populate config host groups
  hosts: localhost
  connection: local
  gather_facts: no
  tasks:
  - name: Load group name mapping variables
    include_vars: vars/cluster_hosts.yml

  - name: Evaluate groups - g_nfs_hosts is single host
    fail:
      msg: The nfs group must be limited to one host
    when: g_nfs_hosts | length > 1

  - name: Evaluate oo_all_hosts
    add_host:
      name: "{{ item }}"
      groups: oo_all_hosts
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_all_hosts | default([]) }}"
    changed_when: no

  - name: Evaluate oo_masters
    add_host:
      name: "{{ item }}"
      groups: oo_masters
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_master_hosts | union(g_new_master_hosts) | default([]) }}"
    changed_when: no

  - 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_become: "{{ g_sudo | default(omit) }}"
    when: g_master_hosts|length > 0
    changed_when: no

  - name: Evaluate oo_new_etcd_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_new_etcd_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_new_etcd_hosts | default([]) }}"
    changed_when: no

  - name: Evaluate oo_masters_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_masters_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_new_master_hosts | default(g_master_hosts | default([], true), true) }}"
    changed_when: no

  - name: Evaluate oo_etcd_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_etcd_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_etcd_hosts | default([]) }}"
    changed_when: no

  - name: Evaluate oo_first_etcd
    add_host:
      name: "{{ g_etcd_hosts[0] }}"
      groups: oo_first_etcd
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    when: g_etcd_hosts|length > 0
    changed_when: no

  # We use two groups one for hosts we're upgrading which doesn't include embedded etcd
  # The other for backing up which includes the embedded etcd host, there's no need to
  # upgrade embedded etcd that just happens when the master is updated.
  - name: Evaluate oo_etcd_hosts_to_upgrade
    add_host:
      name: "{{ item }}"
      groups: oo_etcd_hosts_to_upgrade
    with_items: "{{ groups.oo_etcd_to_config if groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config | length > 0 else [] }}"
    changed_when: False

  - name: Evaluate oo_etcd_hosts_to_backup
    add_host:
      name: "{{ item }}"
      groups: oo_etcd_hosts_to_backup
    with_items: "{{ groups.oo_etcd_to_config if groups.oo_etcd_to_config is defined and groups.oo_etcd_to_config | length > 0 else (groups.oo_first_master | default([])) }}"
    changed_when: False

  - name: Evaluate oo_nodes_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_nodes_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_new_node_hosts | default(g_node_hosts | default([], true), true) }}"
    changed_when: no

  - name: Evaluate oo_nodes_to_bootstrap
    add_host:
      name: "{{ item }}"
      groups: oo_nodes_to_bootstrap
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_new_node_hosts | default(g_node_hosts | default([], true), true) }}"
    changed_when: no

  - name: Add masters to oo_nodes_to_bootstrap
    add_host:
      name: "{{ item }}"
      groups: oo_nodes_to_bootstrap
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_new_master_hosts | default(g_master_hosts | default([], true), true) }}"
    when:
    # Add masters to oo_nodes_to_bootstrap when we are not scaling up.
    # Add new masters to oo_nodes_to_bootstrap when we are scaling up masters.
    - g_new_node_hosts | length == 0 or g_new_master_hosts | length > 0
    changed_when: no

  - name: Evaluate oo_lb_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_lb_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_lb_hosts | default([]) }}"
    changed_when: no

  - name: Evaluate oo_nfs_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_nfs_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_nfs_hosts | default([]) }}"
    changed_when: no

  - name: Evaluate oo_glusterfs_to_config
    add_host:
      name: "{{ item }}"
      groups: oo_glusterfs_to_config
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ g_glusterfs_hosts | union(g_glusterfs_registry_hosts | default([])) }}"
    changed_when: no

  - name: Evaluate oo_etcd_to_migrate
    add_host:
      name: "{{ item }}"
      groups: oo_etcd_to_migrate
      ansible_ssh_user: "{{ g_ssh_user | default(omit) }}"
      ansible_become: "{{ g_sudo | default(omit) }}"
    with_items: "{{ groups.oo_etcd_to_config if groups.oo_etcd_to_config | default([]) | length != 0 else (groups.oo_first_master |default([]))}}"
    changed_when: no