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ansible/test/integration/targets/mysql_replication/tasks/mysql_replication_initial.yml

124 lines
3.6 KiB
YAML

# 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 {{ master_port }} -h 127.0.0.1"
- name: Create test database
mysql_db:
login_host: 127.0.0.1
login_port: '{{ master_port }}'
state: present
name: '{{ test_db }}'
- name: Dump all databases from the master
shell: 'mysqldump -P {{ master_port }} -h 127.0.01 --all-databases --master-data=2 > {{ dump_path }}'
- name: Restore the dump to the standby
shell: 'mysql -P {{ standby_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: "{{ master_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: "{{ standby_port }}"
mode: changemaster
master_host: 127.0.0.1
master_port: "{{ master_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 == ["CHANGE MASTER TO MASTER_HOST='127.0.0.1',MASTER_USER='replication_user',MASTER_PASSWORD='********',MASTER_PORT=3306,MASTER_LOG_FILE='mysql-bin.000001',MASTER_LOG_POS={{ master_status.Position }}"]
# Test startslave mode:
- name: Start slave
mysql_replication:
login_host: 127.0.0.1
login_port: "{{ standby_port }}"
mode: startslave
register: result
- assert:
that:
- result is changed
- result.queries == ["START SLAVE"]
# Test getslave mode:
- name: Get standby status
mysql_replication:
login_host: 127.0.0.1
login_port: "{{ standby_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 == {{ master_port }}
- slave_status.Last_IO_Errno == 0
- slave_status.Last_IO_Error == ''
- slave_status is not changed
# Create test table and add data to it:
- name: Create test table
shell: "echo \"CREATE TABLE {{ test_table }} (id int);\" | mysql -P {{ master_port }} -h 127.0.0.1 {{ test_db }}"
- name: Insert data
shell: >
echo "INSERT INTO {{ test_table }} (id) VALUES (1), (2), (3); FLUSH LOGS;" |
mysql -P {{ master_port }} -h 127.0.0.1 {{ test_db }}
- name: Small pause to be sure the bin log, which was flushed previously, reached the slave
pause:
seconds: 2
# Test master log pos has been changed:
- name: Get standby status
mysql_replication:
login_host: 127.0.0.1
login_port: "{{ standby_port }}"
mode: getslave
register: slave_status
# master_status.Position is not actual and it has been changed by the prev step,
# so slave_status.Exec_Master_Log_Pos must be different:
- assert:
that:
- slave_status.Exec_Master_Log_Pos != master_status.Position
# Test stopslave mode:
- name: Stop slave
mysql_replication:
login_host: 127.0.0.1
login_port: "{{ standby_port }}"
mode: stopslave
register: result
- assert:
that:
- result is changed
- result.queries == ["STOP SLAVE"]