okd/playbooks/common/openshift-cluster/upgrades/etcd/upgrade.yml

---
- name: Determine etcd version
  hosts: etcd_hosts_to_upgrade
  tasks:
  - name: Record RPM based etcd version
    command: rpm -qa --qf '%{version}' etcd\*
    args:
      warn: no
    register: etcd_rpm_version
    failed_when: false
    when: not openshift.common.is_containerized | bool
    # AUDIT:changed_when: `false` because we are only inspecting
    # state, not manipulating anything
    changed_when: false

  - name: Record containerized etcd version
    command: docker exec etcd_container rpm -qa --qf '%{version}' etcd\*
    register: etcd_container_version
    failed_when: false
    when: openshift.common.is_containerized | bool
    # AUDIT:changed_when: `false` because we are only inspecting
    # state, not manipulating anything
    changed_when: false

  - name: Record containerized etcd version
    command: docker exec etcd_container rpm -qa --qf '%{version}' etcd\*
    register: etcd_container_version
    failed_when: false
    when: openshift.common.is_containerized | bool and not openshift.common.is_etcd_system_container | bool
    # AUDIT:changed_when: `false` because we are only inspecting
    # state, not manipulating anything
    changed_when: false

  - name: Record containerized etcd version
    command: runc exec etcd_container rpm -qa --qf '%{version}' etcd\*
    register: etcd_container_version
    failed_when: false
    when: openshift.common.is_containerized | bool and openshift.common.is_etcd_system_container | bool
    # AUDIT:changed_when: `false` because we are only inspecting
    # state, not manipulating anything
    changed_when: false

# I really dislike this copy/pasta but I wasn't able to find a way to get it to loop
# through hosts, then loop through tasks only when appropriate
- name: Upgrade to 2.1
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: '2.1'
  tasks:
  - include: rhel_tasks.yml
    when: etcd_rpm_version.stdout | default('99') | version_compare('2.1','<') and ansible_distribution == 'RedHat' and not openshift.common.is_containerized | bool

- name: Upgrade RPM hosts to 2.2
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: '2.2'
  tasks:
  - include: rhel_tasks.yml
    when: etcd_rpm_version.stdout | default('99') | version_compare('2.2','<') and ansible_distribution == 'RedHat' and not openshift.common.is_containerized | bool

- name: Upgrade containerized hosts to 2.2.5
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: 2.2.5
  tasks:
  - include: containerized_tasks.yml
    when: etcd_container_version.stdout | default('99') | version_compare('2.2','<') and openshift.common.is_containerized | bool

- name: Upgrade RPM hosts to 2.3
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: '2.3'
  tasks:
  - include: rhel_tasks.yml
    when: etcd_rpm_version.stdout | default('99') | version_compare('2.3','<') and ansible_distribution == 'RedHat' and not openshift.common.is_containerized | bool

- name: Upgrade containerized hosts to 2.3.7
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: 2.3.7
  tasks:
  - include: containerized_tasks.yml
    when: etcd_container_version.stdout | default('99') | version_compare('2.3','<') and openshift.common.is_containerized | bool

- name: Upgrade RPM hosts to 3.0
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: '3.0'
  tasks:
  - include: rhel_tasks.yml
    when: etcd_rpm_version.stdout | default('99') | version_compare('3.0','<') and ansible_distribution == 'RedHat' and not openshift.common.is_containerized | bool

- name: Upgrade containerized hosts to etcd3 image
  hosts: etcd_hosts_to_upgrade
  serial: 1
  vars:
    upgrade_version: 3.0.15
  tasks:
  - include: containerized_tasks.yml
    when: etcd_container_version.stdout | default('99') | version_compare('3.0','<') and openshift.common.is_containerized | bool

- name: Upgrade fedora to latest
  hosts: etcd_hosts_to_upgrade
  serial: 1
  tasks:
  - include: fedora_tasks.yml
    when: ansible_distribution == 'Fedora' and not openshift.common.is_containerized | bool

- name: Backup etcd
  include: backup.yml
  vars:
    backup_tag: "post-3.0-"
  when: openshift_etcd_backup | default(true) | bool