okd/playbooks/openshift-node/scaleup.yml

---
- import_playbook: ../init/evaluate_groups.yml

- name: Ensure there are new_nodes
  hosts: localhost
  connection: local
  gather_facts: no
  tasks:
  - fail:
      msg: >
        Detected no new_nodes in inventory. Please add hosts to the
        new_nodes host group to add nodes.
    when:
    - g_new_node_hosts | default([]) | length == 0
  - fail:
      msg: >
        Please run playbooks/openshift-master/scaleup.yml if you need to
        scale up both masters and nodes.  This playbook is only needed if
        you are only adding new nodes and not new masters.
    when:
    - g_new_node_hosts | default([]) | length > 0
    - g_new_master_hosts | default([]) | length > 0

# if g_new_node_hosts is not empty, oo_nodes_to_config will be set to
# g_new_node_hosts via evaluate_groups.yml

- import_playbook: ../prerequisites.yml
  vars:
    l_scale_up_hosts: "oo_nodes_to_config"
    l_base_packages_hosts: "oo_nodes_to_config"
    l_init_fact_hosts: "oo_masters_to_config:oo_etcd_to_config:oo_lb_to_config:oo_nodes_to_config"
    l_sanity_check_hosts: "{{ groups['oo_nodes_to_config'] | union(groups['oo_masters_to_config']) }}"

- name: install nodes
  hosts: oo_nodes_to_config
  tasks:
  - import_role:
      name: openshift_node40
      tasks_from: install.yml
  - import_role:
      name: openshift_node40
      tasks_from: config.yml
  - import_role:
      name: openshift_node40
      tasks_from: systemd.yml