# Tasks for dumping a MySQL backup on a single host and pulling it to the\
# Backup Server.

- name: Make sure mysql client is installed on the Target Hosts
  yum:
    name: mariadb
    state: installed

- name: Remove any existing database backup directory
  file:
    path: "{{ backup_tmp_dir }}/mysql"
    state: absent

- name: Create a new MySQL database backup directory
  file:
    path: "{{ backup_tmp_dir }}/mysql"
    state: directory

- name: Get the database root password
  shell: |
    /bin/hiera -c /etc/puppet/hiera.yaml mysql::server::root_password
  when: mysql_root_password is undefined
  register: mysql_root_password_cmd_output
  become: true
  no_log: true

- name: Convert the database root password if unknown
  set_fact:
    mysql_root_password: "{{ mysql_root_password_cmd_output.stdout_lines[0] }}"
  when: mysql_root_password is undefined
  no_log: true

# Originally used the script module for this but it had issues with
# command piping. Using a script to perform the MySQL dumps.
- name: Create MySQL backup script
  template:
    src: backup_mysql.sh.j2
    dest: "{{ backup_tmp_dir }}/mysql/backup_mysql.sh"
    mode: u+rwx

- name: Run the MySQL backup script
  command: "{{ backup_tmp_dir }}/mysql/backup_mysql.sh"

# The archive module is pretty limited. Using a script instead.
- name: Archive the OpenStack databases
  shell: |
    /bin/tar --ignore-failed-read --xattrs \
      -zcf {{ backup_tmp_dir }}/mysql/openstack-backup-mysql.tar \
      {{ backup_tmp_dir }}/mysql/*.sql

- name: Copy the archive to the backup server
  synchronize:
    mode: pull
    src: "{{ backup_tmp_dir }}/mysql/openstack-backup-mysql.tar"
    dest: "{{ backup_directory }}"
    set_remote_user: false
    ssh_args: "{{ backup_host_ssh_args }}"
  delegate_to: "{{ backup_host }}"

- name: Remove the database backup directory
  file:
    path: "{{ backup_tmp_dir }}/mysql"
    state: absent