---
- include: ../../../../init/evaluate_groups.yml
  vars:
    # Do not allow adding hosts during upgrade.
    g_new_master_hosts: []
    g_new_node_hosts: []

- include: ../initialize_nodes_to_upgrade.yml

- name: Check for appropriate Docker versions
  hosts: oo_masters_to_config:oo_nodes_to_upgrade:oo_etcd_to_config
  roles:
  - openshift_facts
  tasks:
  - set_fact:
      repoquery_cmd: "{{ 'dnf repoquery --latest-limit 1 -d 0' if ansible_pkg_mgr == 'dnf' else 'repoquery --plugins' }}"

  - fail:
      msg: Cannot upgrade Docker on Atomic operating systems.
    when: openshift.common.is_atomic | bool

  - include: upgrade_check.yml
    when: docker_upgrade is not defined or docker_upgrade | bool


# If a node fails, halt everything, the admin will need to clean up and we
# don't want to carry on, potentially taking out every node. The playbook can safely be re-run
# and will not take any action on a node already running the requested docker version.
- name: Drain and upgrade nodes
  hosts: oo_masters_to_config:oo_nodes_to_upgrade:oo_etcd_to_config
  serial: 1
  any_errors_fatal: true

  roles:
  - lib_openshift

  tasks:
  - name: Mark node unschedulable
    oc_adm_manage_node:
      node: "{{ openshift.node.nodename | lower }}"
      schedulable: False
    delegate_to: "{{ groups.oo_first_master.0 }}"
    retries: 10
    delay: 5
    register: node_unschedulable
    until: node_unschedulable|succeeded
    when:
    - l_docker_upgrade is defined
    - l_docker_upgrade | bool
    - inventory_hostname in groups.oo_nodes_to_upgrade

  - name: Drain Node for Kubelet upgrade
    command: >
      {{ openshift.common.client_binary }} adm drain {{ openshift.node.nodename }} --config={{ openshift.common.config_base }}/master/admin.kubeconfig --force --delete-local-data --ignore-daemonsets
    delegate_to: "{{ groups.oo_first_master.0 }}"
    when: l_docker_upgrade is defined and l_docker_upgrade | bool and inventory_hostname in groups.oo_nodes_to_upgrade
    register: l_docker_upgrade_drain_result
    until: not l_docker_upgrade_drain_result | failed
    retries: 60
    delay: 60

  - include: tasks/upgrade.yml
    when: l_docker_upgrade is defined and l_docker_upgrade | bool

  - name: Set node schedulability
    oc_adm_manage_node:
      node: "{{ openshift.node.nodename | lower }}"
      schedulable: True
    delegate_to: "{{ groups.oo_first_master.0 }}"
    retries: 10
    delay: 5
    register: node_schedulable
    until: node_schedulable|succeeded
    when: node_unschedulable|changed