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---
- name: Creating temp file on localhost
local_action: shell echo 'None' > /tmp/kolla_mariadb_cluster
register: status
changed_when: False
failed_when: status.rc != 0
always_run: True
run_once: True
# TODO(SamYaple): Improve failed_when check
- name: Checking if a previous cluster exists
command: docker exec mariadb stat /var/lib/mysql/grastate.dat
register: exists
changed_when: False
failed_when: False
always_run: True
run_once: True
- name: Writing hostname of host with existing cluster files to temp file
local_action: shell echo "{{ ansible_hostname }}" > /tmp/kolla_mariadb_cluster
register: status
changed_when: False
failed_when: status.rc != 0
always_run: True
when: exists.rc == 0
- name: Registering host from temp file
set_fact:
delegate_host: "{{ lookup('file', '/tmp/kolla_mariadb_cluster') }}"
- name: Cleaning up temp file on localhost
local_action: shell rm /tmp/kolla_mariadb_cluster
register: status
changed_when: False
failed_when: status.rc != 0
always_run: True
run_once: True
- include: ../../start.yml
vars:
container_environment:
KOLLA_BOOTSTRAP:
container_image: "{{ docker_database_image_full }}"
container_name: "mariadb_data"
container_volumes:
- "/var/lib/mysql/"
container_command: "/bin/sleep infinity"
- include: ../../start.yml
vars:
container_environment:
KOLLA_BOOTSTRAP:
KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
DB_ROOT_PASSWORD: "{{ database_password }}"
container_image: "{{ docker_database_image_full }}"
container_name: "mariadb"
container_volumes:
- "{{ node_config_directory }}/mariadb/:/opt/kolla/mariadb/:ro"
container_volumes_from:
- "mariadb_data"
when: delegate_host == 'None' and inventory_hostname == groups['database'][0]