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mysql_replication: add basic CI tests with MySQL 5.6 (#63124)

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* mysql_replication: add CI tests with MySQL 5.6

* mysql_replication: add CI tests with MySQL 5.6, add auxiliary checks

* mysql_replication: add CI tests with MySQL 5.6, fix comments

* mysql_replication: add CI tests with MySQL 5.6, add pause
This commit is contained in:
Andrey Klychkov 2019-10-04 13:49:19 +03:00 committed by Felix Fontein
parent b91f452f4f
commit 66de3d429f
9 changed files with 267 additions and 0 deletions
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9
test/integration/targets/mysql_replication/aliases Normal file
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destructive
shippable/posix/group4
skip/osx
skip/freebsd
skip/ubuntu
skip/fedora
skip/opensuse
skip/rhel
needs/root

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master_port: 3306
standby_port: 3307
test_db: test_db
test_table: test_table
replication_user: replication_user
replication_pass: replication_pass
dump_path: /tmp/dump.sql

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test/integration/targets/mysql_replication/meta/main.yml Normal file
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---
dependencies:
- setup_mysql_replication

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test/integration/targets/mysql_replication/tasks/main.yml Normal file
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# 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)
# Initial CI tests of mysql_replication module
- import_tasks: mysql_replication_initial.yml
when: ansible_distribution == 'CentOS' and ansible_distribution_major_version >= '7'

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test/integration/targets/mysql_replication/tasks/mysql_replication_initial.yml Normal file
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# 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"]

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repo_link: http://repo.mysql.com/mysql-community-release-el7-5.noarch.rpm
repo_name: mysql-community
master_port: 3306
standby_port: 3307
master_datadir: /var/lib/mysql_master
standby_datadir: /var/lib/mysql_standby
standby_logdir: /var/log/mysql_standby
default_logdir: /var/log/mysql
mysql_safe_err_log: /var/log/mysql/mysql_safe-err.log

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test/integration/targets/setup_mysql_replication/tasks/main.yml Normal file
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# 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)
# Setup MySQL master-standby replication into one conteiner:
- import_tasks: setup_mysql_cluster.yml
when: ansible_distribution == 'CentOS' and ansible_distribution_major_version >= '7'

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test/integration/targets/setup_mysql_replication/tasks/setup_mysql_cluster.yml Normal file
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# We run two servers listening different ports
# to be able to check replication (one server for master, another for standby).
- name: Install Repo
yum:
name: '{{ repo_link }}'
- name: Install MySQL community server
yum:
name: mysql-community-server
#enablerepo: '{{ repo_name }}'
- name: Create directories for standby
file:
state: directory
path: "{{ item }}"
owner: mysql
group: mysql
loop:
- "{{ master_datadir }}"
- "{{ standby_datadir }}"
- "{{ standby_logdir }}"
- "{{ default_logdir }}"
- name: Copy cnf template
template:
src: my.cnf.j2
dest: /etc/my.cnf
owner: mysql
group: mysql
force: yes
- name: Initialize DBs
shell: 'mysql_install_db --user=mysql --datadir={{ item }}'
loop:
- '{{ master_datadir }}'
- '{{ standby_datadir }}'
- name: Start services
shell: 'mysqld_multi --log=/var/log/mysql/mysql.log start 1,2'
- name: Pause
pause: seconds=3
########### For painful debug uncomment the lines below ##
#- name: DEBUG Check stratup log
# shell: cat /var/log/mysql/mysql.log
#- name: DEBUG Check mysql_safe err log
# shell: cat '{{ mysql_safe_err_log }}'
#- name: DEBUG Check processes
# shell: 'ps aux | grep mysqld | grep -v "grep\|root"'
#- name: DEBUG
# yum: name=net-tools
#- name: DEBUG
# shell: "netstat -ntpl"
#- name: DEBUG
# shell: cat /etc/my.cnf
##########################################################
- name: Check connection to the master
shell: 'echo "SHOW DATABASES;" | mysql -P {{ master_port }} -h 127.0.0.1'
- name: Check connection to the standby
shell: "echo \"SHOW VARIABLES LIKE '%version%';\" | mysql -P {{ standby_port }} -h 127.0.0.1"

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[mysqld1]
server_id = 1
port = {{ master_port }}
datadir = {{ master_datadir }}
socket = {{ master_datadir }}/mysql.sock
pid-file = {{ master_datadir }}/mysql.pid
mysqladmin = /usr/bin/mysqladmin
log_bin = /var/log/mysql/mysql-bin.log
sync_binlog = 1
binlog-format = ROW
innodb_flush_log_at_trx_commit = 1
[mysqld2]
server_id = 2
port = {{ standby_port }}
socket = /var/run/mysqld/mysqld_slave.sock
pid-file = /var/run/mysqld/mysqld_slave.pid
datadir = {{ standby_datadir }}
log_bin = {{ standby_logdir }}/mysql-bin.log
relay-log = {{ standby_logdir }}/relay-bin
relay-log-index = {{ standby_logdir }}/relay-bin.index
master-info-file = {{ standby_logdir }}/master.info
relay-log-info-file = {{ standby_logdir }}/relay-log.info
mysqladmin = /usr/bin/mysqladmin
[mysqld_multi]
mysqld = /usr/bin/mysqld_safe
mysqladmin = /usr/bin/mysqladmin
user = multi_admin
password = multipass
[mysqld_safe]
log-error={{ mysql_safe_err_log }}
pid-file=/var/run/mysql/mysql.pid