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Ansible Role: gcoop-libre.mysqldump

This role, configure access to MySQL/MariaDB/Percona in localhost and cronfile for backup using mysqldump command.

Requirements

  • python-mysqldb
  • MySQL/MariaDB/Percona

Optional

Ansible Pass Lookup Plugin allows you to use a use a pass compatible password store to generate encrypted passwords. It mimics de behaviour of the password lookup, but using pass instead of plaintext files for storing the passwords.

Role Variables

Available variables with default values (see defaults/main.yml).

gcoop_mysqldump_cron_entries:

  - name: monthly
    minute: 0
    hour: 2
    day: '*/7'
    format: '%b'
    database: "{{ gcoop_mysqldump_database }}"

  - name: daily
    minute: 0
    hour: 1
    day: '*'
    format: '%a'
    database: "{{ gcoop_mysqldump_database }}"

  - name: hourly
    minute: 30
    hour: '*'
    day: '*'
    format: ''
    database: 'mysql'

The default gcoop_mysqldump_cron_entries generate following files in /backup/sql directory:

One file per weekday:

    hostname-dbname1-lun.sql.gz
    hostname-dbname1-mar.sql.gz
    hostname-dbname1-mie.sql.gz
    hostname-dbname1-jue.sql.gz
    hostname-dbname1-vie.sql.gz
    hostname-dbname1-sab.sql.gz
    hostname-dbname1-dom.sql.gz
    hostname-dbname2-lun.sql.gz
    hostname-dbname2-mar.sql.gz
    hostname-dbname2-mie.sql.gz
    hostname-dbname2-jue.sql.gz
    hostname-dbname2-vie.sql.gz
    hostname-dbname2-sab.sql.gz
    hostname-dbname2-dom.sql.gz

One file per month (update every 7 days):

    hostname-dbname1-ene.sql.gz
    hostname-dbname1-feb.sql.gz
    ...
    hostname-dbname1-dic.sql.gz
    hostname-dbname2-ene.sql.gz
    ...
    hostname-dbname2-feb.sql.gz
    hostname-dbname2-dic.sql.gz

One file updated with the latest dump (update every 1 hour)

    hostname-dbname1.sql.gz
    hostname-dbname2.sql.gz

Syslog

By default, role log cronjob to syslog:

root@dbserver:/backup/sql# tail -f /var/log/syslog

Jun 25 02:30:02 dbserver mysqldump: Start: 2016-06-25 02:30 End: 2016-06-25 02:30 Duration: 00:00:01 File: c2340030bd3ec4c5b890a7e7ae80fd18  /backup/sql/dbserver-mysql.sql.gz
Jun 25 02:30:02 dbserver mysqldump: Start: 2016-06-25 02:30 End: 2016-06-25 02:30 Duration: 00:00:00 File: 5b5f36528df547e08f42db615e22ded6  /backup/sql/dbserver-information_schema-jun.sql.gz
Jun 25 02:30:02 dbserver mysqldump: Start: 2016-06-25 02:30 End: 2016-06-25 02:30 Duration: 00:00:00 File: 6d952bdd7edf0e5663bbd487dbcaf46c  /backup/sql/dbserver-mysql-jun.sql.gz

Dependencies

None.

Example Playbook

If you want to create a new system and mysql user using lookup pass plugin:

    - hosts: localhost
      become: yes
      remote_user: debian

      roles:
        - role: gcoop-libre.mysqldump
          gcoop_mysqldump_create_mysql_user: yes
          gcoop_mysqldump_create_system_user: yes
          gcoop_mysqldump_mysql_username: mysqlbackup
          gcoop_mysqldump_mysql_password: "{{ lookup( 'pass', 'mysql/' + gcoop_mysqldump_mysql_username ) }}"
          gcoop_mysqldump_mysql_root_password: "{{ lookup( 'pass', 'mysql/root' ) }}"
          gcoop_mysqldump_system_password:     "{{ lookup( 'pass', 'users/' + gcoop_mysqldump_mysql_username ) }}"

When you already have a system and mysql user:

    - hosts: localhost
      become: yes
      remote_user: debian

      roles:
        - role: gcoop-libre.mysqldump
          gcoop_mysqldump_mysql_username: mark
          gcoop_mysqldump_mysql_password: dadada
          gcoop_mysqldump_mysql_root_password: 123456

License

GNU General Public License, GPLv3.

Author Information

This role was created in 2016 by Osiris Alejandro Gomez, worker cooperative of gcoop Cooperativa de Software Libre.