---
- name: Pre-upgrade checks
  hosts: localhost
  connection: local
  gather_facts: no
  tasks:
  - fail:
      msg: >
        Detected no workers in inventory. Please add hosts to the
        workers host group to upgrade nodes
    when: groups.workers | default([]) | length == 0

- name: upgrade nodes
  hosts: workers
  serial: 1
  tasks:
  - block:
    - debug:
        msg: "Running openshift_node_pre_cordon_hook {{ openshift_node_pre_cordon_hook }}"
    - include_tasks: "{{ openshift_node_pre_cordon_hook }}"
    when: openshift_node_pre_cordon_hook is defined

  - name: Cordon node prior to upgrade
    command: >
      oc adm cordon {{ item | lower }}
      --config={{ openshift_kubeconfig_path }}
    delegate_to: localhost
    with_items: "{{ ansible_play_batch }}"

  - name: Drain node prior to upgrade
    command: >
      oc adm drain {{ item | lower }}
      --config={{ openshift_kubeconfig_path }}
      --force --delete-local-data --ignore-daemonsets
    delegate_to: localhost
    with_items: "{{ ansible_play_batch }}"

  # Run the openshift_node_pre_upgrade_hook if defined
  - block:
    - debug:
        msg: "Running node openshift_node_pre_upgrade_hook {{ openshift_node_pre_upgrade_hook }}"
    - include_tasks: "{{ openshift_node_pre_upgrade_hook }}"
    when: openshift_node_pre_upgrade_hook is defined

  # Upgrade Node
  - import_role:
      name: openshift_node
    vars:
      openshift_node_package_state: latest

  # Run the openshift_node_pre_uncordon_hook if defined
  - block:
    - debug:
        msg: "Running openshift_node_pre_uncordon_hook {{ openshift_node_pre_uncordon_hook }}"
    - include_tasks: "{{ openshift_node_pre_uncordon_hook }}"
    when: openshift_node_pre_uncordon_hook is defined

  - name: Uncordon node after upgrade
    command: >
      oc adm uncordon {{ item | lower }}
      --config={{ openshift_kubeconfig_path }}
    delegate_to: localhost
    with_items: "{{ ansible_play_batch }}"

  # Run the openshift_node_post_upgrade_hook if defined
  - block:
    - debug:
        msg: "Running node openshift_node_post_upgrade_hook {{ openshift_node_post_upgrade_hook }}"
    - include_tasks: "{{ openshift_node_post_upgrade_hook }}"
    when: openshift_node_post_upgrade_hook is defined