ansible-mysql/tasks/replication/slave/import_data.yml

---

# Doc: https://www.percona.com/doc/percona-xtrabackup/2.1/howtos/recipes_ibkx_gtid.html
- name: WAIT_FOR | source data (prevent rsync bug) - TODO find another hack
  wait_for: host={{ mariadb_slave_import_from }} port=22

- name: COMMAND | Prepare backup another server
  command: innobackupex --no-timestamp {{ mariadb_backup_dir }} creates={{ mariadb_backup_dir }}
  delegate_to: "{{ mariadb_slave_import_from }}"
  register: backup

- name: SHELL | Dump
  shell: innobackupex --apply-log {{ mariadb_backup_dir }}
  delegate_to: "{{ mariadb_slave_import_from }}"
  when: backup.changed

- name: FILE | Remove mysql db from backup
  file: path={{ mariadb_backup_dir }}/mysql state=absent
  delegate_to: "{{ mariadb_slave_import_from }}"
  when: backup.changed and not mariadb_slave_replicate_mysqldb

- name: MYSQL_VARIABLES | Get datadir
  mysql_variables: variable=datadir
  register: datadir

- name: SET_FACT | related to mysql datadir
  set_fact:
    mariadb_mariadb_datadir: "{{ datadir.msg }}"
    mariadb_binlog_info: "{{ datadir.msg }}/xtrabackup_binlog_info"

- name: SERVICE | Stop MySQL before importing data
  service: name=mysql state=stopped

# TODO: add an "ignore warning"
- name: COMMAND | Sync backup to slave - TODO remove vagrant as static user (see why mariadb_backup_user is not working)
  shell: "sudo -E rsync --rsync-path='sudo rsync' -a -e 'ssh -o StrictHostKeyChecking=no' {{ mariadb_backup_user }}@{{ mariadb_slave_import_from }}:{{ mariadb_backup_dir }}/ {{ mariadb_mariadb_datadir }}/"
  become: no

- name: FILE | Re-apply owner
  file: >
    path={{ mariadb_mariadb_datadir }}
    state=directory
    owner=mysql
    group=mysql
    recurse=yes

- name: SERVICE | Start MySQL
  service: name=mysql state=started

- name: SHELL | Get master_log_file
  command: awk '{ print $1 }' {{ mariadb_binlog_info }}
  register: master_log_file

- name: SHELL | Get master_log_pos
  command: awk '{ print $2 }' {{ mariadb_binlog_info }}
  register: master_log_pos

- name: SHELL | Get master GTID
  command: awk '{ print $3 }' {{ mariadb_binlog_info }}
  register: master_gtid

- name: SET_FACT | master_log_file
  set_fact:
    mariadb_master_log_file: "{{ master_log_file.stdout }}"
    mariadb_master_log_pos: "{{ master_log_pos.stdout }}"
    mariadb_master_gtid: "{{ master_gtid.stdout }}"

- name: FILE | Delete dump
  file: path={{ mariadb_backup_dir }} state=absent
  delegate_to: "{{ mariadb_slave_import_from }}"
  when: mariadb_slave_import_flush_dump