okd/roles/etcd/tasks/main.yml

---
- name: Set hostname and ip facts
  set_fact:
    # Store etcd_hostname and etcd_ip such that they will be available
    # in hostvars. Defaults for these variables are set in etcd_common.
    etcd_hostname: "{{ etcd_hostname }}"
    etcd_ip: "{{ etcd_ip }}"

- name: Install etcd
  package: name=etcd state=present
  when: not etcd_is_containerized | bool

- name: Pull etcd container
  command: docker pull {{ openshift.etcd.etcd_image }}
  register: pull_result
  changed_when: "'Downloaded newer image' in pull_result.stdout"
  when:
  - etcd_is_containerized | bool
  - not openshift.common.is_etcd_system_container | bool

- name: Install etcd container service file
  template:
    dest: "/etc/systemd/system/etcd_container.service"
    src: etcd.docker.service
  when:
  - etcd_is_containerized | bool
  - not openshift.common.is_etcd_system_container | bool


# Start secondary etcd instance for third party integrations
# TODO: Determine an alternative to using thirdparty variable

- name: Create configuration directory
  file:
    path: "{{ etcd_conf_dir }}"
    state: directory
    mode: 0700
  when: etcd_is_thirdparty | bool

  # TODO: retest with symlink to confirm it does or does not function
- name: Copy service file for etcd instance
  copy:
    src: /usr/lib/systemd/system/etcd.service
    dest: "/etc/systemd/system/{{ etcd_service }}.service"
    remote_src: True
  when: etcd_is_thirdparty | bool

- name: Create third party etcd service.d directory exists
  file:
    path: "{{ etcd_systemd_dir }}"
    state: directory
  when: etcd_is_thirdparty | bool

- name: Configure third part etcd service unit file
  template:
    dest: "{{ etcd_systemd_dir }}/custom.conf"
    src: custom.conf.j2
  when: etcd_is_thirdparty

  # TODO: this task may not be needed with Validate permissions
- name: Ensure etcd datadir exists
  file:
    path: "{{ etcd_data_dir }}"
    state: directory
    mode: 0700
  when: etcd_is_containerized | bool

- name: Ensure etcd datadir ownership for thirdparty datadir
  file:
    path: "{{ etcd_data_dir }}"
    state: directory
    mode: 0700
    owner: etcd
    group: etcd
    recurse: True
  when: etcd_is_thirdparty | bool

  # TODO: Determine if the below reload would work here, for now just reload
- name:
  command: systemctl daemon-reload
  when: etcd_is_thirdparty | bool

- name: Disable system etcd when containerized
  systemd:
    name: etcd
    state: stopped
    enabled: no
    masked: yes
    daemon_reload: yes
  when:
  - etcd_is_containerized | bool
  - not openshift.common.is_etcd_system_container | bool
  register: task_result
  failed_when: "task_result|failed and 'could not' not in task_result.msg|lower"

- name: Install etcd container service file
  template:
    dest: "/etc/systemd/system/etcd_container.service"
    src: etcd.docker.service
  when: etcd_is_containerized | bool and not openshift.common.is_etcd_system_container | bool

- name: Install Etcd system container
  include: system_container.yml
  when: etcd_is_containerized | bool and openshift.common.is_etcd_system_container | bool

- name: Validate permissions on the config dir
  file:
    path: "{{ etcd_conf_dir }}"
    state: directory
    owner: "{{ 'etcd' if not etcd_is_containerized | bool else omit }}"
    group: "{{ 'etcd' if not etcd_is_containerized | bool else omit }}"
    mode: 0700

- name: Write etcd global config file
  template:
    src: etcd.conf.j2
    dest: "{{ etcd_conf_file }}"
    backup: true
  notify:
  - restart etcd

- name: Enable etcd
  systemd:
    name: "{{ etcd_service }}"
    state: started
    enabled: yes
  register: start_result

- include: etcdctl.yml
  when: openshift_etcd_etcdctl_profile | default(true) | bool

- name: Set fact etcd_service_status_changed
  set_fact:
    etcd_service_status_changed: "{{ start_result | changed }}"