37d44444d7
Currently, there are arbitrary wait for mariadb service startup. However, this leads to nondeterministic results in the current workflow. This patch tries to make the workflow more deterministic. Change-Id: I3c6245cce93c7ff0d3d57cb2ae065a1ed1487769 Closes-Bug: #1491782
65 lines
2.2 KiB
YAML
65 lines
2.2 KiB
YAML
---
|
|
- name: Cleaning up temp file on localhost
|
|
local_action: file path=/tmp/kolla_mariadb_cluster state=absent
|
|
changed_when: False
|
|
always_run: True
|
|
run_once: True
|
|
|
|
- name: Creating temp file on localhost
|
|
local_action: copy content=None dest=/tmp/kolla_mariadb_cluster mode=0600
|
|
changed_when: False
|
|
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: copy content={{ ansible_hostname }} dest=/tmp/kolla_mariadb_cluster mode=0600
|
|
changed_when: False
|
|
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: file path=/tmp/kolla_mariadb_cluster state=absent
|
|
changed_when: False
|
|
always_run: True
|
|
run_once: True
|
|
|
|
- name: Starting MariaDB bootstrap container
|
|
kolla_docker:
|
|
action: "start_container"
|
|
common_options: "{{ docker_common_options }}"
|
|
environment:
|
|
KOLLA_BOOTSTRAP:
|
|
KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
|
|
DB_ROOT_PASSWORD: "{{ database_password }}"
|
|
DB_PID_FILE: "/var/lib/mysql/{{ hostvars[inventory_hostname]['ansible_hostname'] }}-galera.pid"
|
|
DB_MAX_TIMEOUT: "{{ database_max_timeout }}"
|
|
image: "{{ mariadb_image_full }}"
|
|
name: "mariadb"
|
|
restart_policy: "never"
|
|
volumes:
|
|
- "{{ node_config_directory }}/mariadb/:{{ container_config_directory }}/:ro"
|
|
- "mariadb:/var/lib/mysql"
|
|
when: delegate_host == 'None' and inventory_hostname == groups['mariadb'][0]
|
|
|
|
- name: Waiting for MariaDB service to be ready
|
|
command: "docker exec mariadb ls /var/lib/mysql/{{ hostvars[inventory_hostname]['ansible_hostname'] }}-galera.pid /var/lib/mysql/cluster.exists"
|
|
register: bootstrap_result
|
|
when: delegate_host == 'None' and inventory_hostname == groups['mariadb'][0]
|
|
until: bootstrap_result|success
|
|
changed_when: False
|
|
retries: 6
|
|
delay: 10
|