kolla-ansible/ansible/roles/mariadb/tasks/recover_cluster.yml
Duong Ha-Quang 41686edba9 Replace always_run by check_mode
always_run is deprecated and removed in Ansible 2.4
check_mode is introduced in Ansible 2.2 and Kolla-ansible bump Ansible to
2.2.0 so it's safe to replace always_run by check_mode now.

Change-Id: Id1028d38b7bde30a6afe17b319dcdc77907914ab
Closes-Bug: #1643633
Implements: blueprint migrate-to-ansible-2-2-0
2017-06-15 08:10:33 +00:00

95 lines
3.2 KiB
YAML

---
- fail:
msg: "MariaDB cluster was not found. Is your inventory correct?"
when: delegate_host == 'None'
- name: Checking if and mariadb containers are running
kolla_docker:
name: "mariadb"
action: "get_container_state"
register: container_state
- fail:
msg: "There are running MariaDB nodes, please stop them first."
when: container_state.Running | bool
any_errors_fatal: True
- name: Cleaning up temp file on mariadb hosts
file: path=/tmp/kolla_mariadb_grastate.dat state=absent
changed_when: false
check_mode: no
- name: Cleaning up temp file on localhost
local_action: file path=/tmp/kolla_mariadb_recover_inventory_name state=absent
changed_when: false
check_mode: no
run_once: true
- block:
- name: Copying grastate.dat file from mariadb container
command: docker cp mariadb:/var/lib/mysql/grastate.dat /tmp/kolla_mariadb_grastate.dat
changed_when: false
- name: Print the content of grastate.dat file
command: cat /tmp/kolla_mariadb_grastate.dat
register: cat_grastate
changed_when: false
- name: Registering mariadb seqno variable
set_fact:
seqno: "{{ (cat_grastate.stdout|from_yaml).seqno }}"
changed_when: false
- name: Comparing seqno value on all mariadb hosts
shell: "if [[ {{ hostvars[inventory_hostname]['seqno'] }} -lt {{ hostvars[item]['seqno'] }} ]]; then echo {{ hostvars[item]['seqno'] }}; fi"
with_items: "{{ groups['mariadb'] }}"
changed_when: false
register: seqno_compare
- name: Writing hostname of host with the largest seqno to temp file
local_action: copy content={{ inventory_hostname }} dest=/tmp/kolla_mariadb_recover_inventory_name mode=0644
changed_when: false
when: seqno_compare.results | map(attribute='stdout') | join('') == ""
- name: Registering mariadb_recover_inventory_name from temp file
set_fact:
mariadb_recover_inventory_name: "{{ lookup('file', '/tmp/kolla_mariadb_recover_inventory_name') }}"
when:
- mariadb_recover_inventory_name is not defined
- name: Cleaning up temp file on mariadb hosts
file: path=/tmp/kolla_mariadb_grastate.dat state=absent
changed_when: false
check_mode: no
- name: Cleaning up temp file on localhost
local_action: file path=/tmp/kolla_mariadb_recover_inventory_name state=absent
changed_when: false
check_mode: no
run_once: true
- name: Starting first MariaDB container
kolla_docker:
action: "start_container"
common_options: "{{ docker_common_options }}"
environment:
KOLLA_CONFIG_STRATEGY: "{{ config_strategy }}"
BOOTSTRAP_ARGS: "--wsrep-new-cluster"
image: "{{ mariadb_image_full }}"
labels:
BOOTSTRAP:
name: "mariadb"
restart_policy: "never"
volumes:
- "{{ node_config_directory }}/mariadb/:{{ container_config_directory }}/:ro"
- "/etc/localtime:/etc/localtime:ro"
- "kolla_logs:/var/log/kolla/"
- "mariadb:/var/lib/mysql"
when:
- (mariadb_recover_inventory_name is not defined and inventory_hostname == groups['mariadb'][0]) or
(mariadb_recover_inventory_name is defined and inventory_hostname == mariadb_recover_inventory_name)
- name: Reset bootstrap fact
set_fact:
delegate_host: "None"