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path: root/playbooks/common/openshift-cluster/upgrades/docker/docker_upgrade.yml
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---
- import_playbook: ../../../../init/evaluate_groups.yml
  vars:
    # Do not allow adding hosts during upgrade.
    g_new_master_hosts: []
    g_new_node_hosts: []

- import_playbook: ../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:
  - fail:
      msg: Cannot upgrade Docker on Atomic operating systems.
    when: openshift_is_atomic | bool

  - import_role:
      name: container_runtime
      tasks_from: docker_upgrade_check.yml
    when: docker_upgrade | default(True) | 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:
  - openshift_facts
  - 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 is 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: >
      {{ hostvars[groups.oo_first_master.0]['first_master_client_binary'] }} adm drain {{ openshift.node.nodename | lower }}
      --config={{ openshift.common.config_base }}/master/admin.kubeconfig
      --force --delete-local-data --ignore-daemonsets
      --timeout={{ openshift_upgrade_nodes_drain_timeout | default(0) }}s
    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 is failed)
    retries: "{{ 1 if ( openshift_upgrade_nodes_drain_timeout | default(0) | int ) == 0 else 0 }}"
    delay: 5
    failed_when:
    - l_docker_upgrade_drain_result is failed
    - openshift_upgrade_nodes_drain_timeout | default(0) | int == 0

  - include_tasks: 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 is succeeded
    when: node_unschedulable is changed