ansible/test/integration/targets/mariadb_replication/tasks/mariadb_replication_initial.yml

# Copyright: (c) 2019, Andrew Klychkov (@Andersson007) <aaklychkov@mail.ru>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

# Preparation:
- name: Create user for replication
  shell: "echo \"GRANT REPLICATION SLAVE ON *.* TO '{{ replication_user }}'@'localhost' IDENTIFIED BY '{{ replication_pass }}'; FLUSH PRIVILEGES;\" | mysql -P {{ primary_db.port }} -h 127.0.0.1"

- name: Create test database
  mysql_db:
    login_host: 127.0.0.1
    login_port: '{{ primary_db.port }}'
    state: present
    name: '{{ test_db }}'

- name: Dump all databases from the master
  shell: 'mysqldump -P {{ primary_db.port }} -h 127.0.01 --all-databases --master-data=2 > {{ dump_path }}'

- name: Restore the dump to the replica
  shell: 'mysql -P {{ replica_db.port }} -h 127.0.0.1 < {{ dump_path }}'

# Test getmaster mode:
- name: Get master status
  mysql_replication:
    login_host: 127.0.0.1
    login_port: "{{ primary_db.port }}"
    mode: getmaster
  register: master_status

- assert:
    that:
    - master_status.Is_Master == true
    - master_status.Position != 0
    - master_status is not changed

# Test changemaster mode:
- name: Run replication
  mysql_replication:
    login_host: 127.0.0.1
    login_port: "{{ replica_db.port }}"
    mode: changemaster
    master_host: 127.0.0.1
    master_port: "{{ primary_db.port }}"
    master_user: "{{ replication_user }}"
    master_password: "{{ replication_pass }}"
    master_log_file: mysql-bin.000001
    master_log_pos: '{{ master_status.Position }}'
  register: result

- assert:
    that:
    - result is changed
    - result.queries[0] is match("CHANGE MASTER ('\S+' )?TO MASTER_HOST='[0-9.]+',MASTER_USER='\w+',MASTER_PASSWORD='[*]{8}',MASTER_PORT=\d+,MASTER_LOG_FILE='mysql-bin.000001',MASTER_LOG_POS=\d+")

# Test startslave mode:
- name: Start slave
  mysql_replication:
    login_host: 127.0.0.1
    login_port: "{{ replica_db.port }}"
    mode: startslave
  register: result

- assert:
    that:
    - result is changed
    - result.queries == ["START SLAVE"]

# Test getslave mode:
- name: Get replica status
  mysql_replication:
    login_host: 127.0.0.1
    login_port: "{{ replica_db.port }}"
    mode: getslave
  register: slave_status

- assert:
    that:
    - slave_status.Is_Slave == true
    - slave_status.Master_Host == '127.0.0.1'
    - slave_status.Exec_Master_Log_Pos == master_status.Position
    - slave_status.Master_Port == {{ primary_db.port }}
    - slave_status.Last_IO_Errno == 0
    - slave_status.Last_IO_Error == ''
    - slave_status is not changed

# Test stopslave mode:
- name: Stop slave
  mysql_replication:
    login_host: 127.0.0.1
    login_port: "{{ replica_db.port }}"
    mode: stopslave
  register: result

- assert:
    that:
    - result is changed
    - result.queries == ["STOP SLAVE"]