---
# Copyright 2014, Rackspace US, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Ensure supporting holland packages are installed
  apt:
    pkg: "{{ item }}"
    state: present
    update_cache: yes
    cache_valid_time: 600
  with_items:
    - mariadb-client
    - xtrabackup
  register: rpc_support_packages
  until: rpc_support_packages|success
  retries: 3
  tags:
    - holland_supporting_packages
    - holland_all

- name: Create rpc_support backup user
  mysql_user:
    name: "{{ item.name }}"
    host: "{{ item.host }}"
    password: "{{ item.password }}"
    priv: "{{ item.priv }}"
    state: "{{ item.state }}"
  with_items:
    - name: "rpc_support"
      host: "%"
      password: "{{ rpc_support_holland_password }}"
      priv: "*.*:ALL"
      state: present
    - name: "rpc_support"
      host: "localhost"
      password: "{{ rpc_support_holland_password }}"
      priv: "*.*:ALL"
      state: present
  tags:
    - holland_sql_user
    - holland_all

- name: Get holland from git
  git:
    repo: https://github.com/holland-backup/holland
    dest: "/opt/holland_{{ holland_release }}"
    version: "{{ holland_release }}"
  register: holland_clone
  until: holland_clone|success 
  retries: 5
  tags:
    - holland_source
    - holland_all

- name: Install holland source
  pip: 
    name: "{{ item }}"
  with_items:
    - "mysql-python"
    - "/opt/holland_{{ holland_release }}"
    - "/opt/holland_{{ holland_release }}/plugins/holland.lib.common"
    - "/opt/holland_{{ holland_release }}/plugins/holland.lib.mysql"
    - "/opt/holland_{{ holland_release }}/plugins/holland.backup.xtrabackup"
  tags:
    - holland_source
    - holland_all

- name: Create supporting holland directories
  file:
    state: directory
    path: "{{ item }}"
  with_items:
    - "/var/backup/holland_backups"
    - "/etc/holland"
  tags:
    - holland_dir
    - holland_all

- name: Create links to point to holland config files
  file:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    state: link
  with_items:
    - { src: "/opt/holland_{{ holland_release }}/config/providers", dest: "/etc/holland/providers" }
    - { src: "/opt/holland_{{ holland_release }}/config/backupsets", dest: "/etc/holland/backupsets" }
  tags:
    - holland_conf
    - holland_all

- name: Setup holland backup
  template:
    owner: root
    group: root
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
  with_items:
    - { src: "holland-xtrabackup.conf.j2", dest: "/etc/holland/backupsets/rpc_support.conf" }
    - { src: "holland.conf.j2", dest: "/etc/holland/holland.conf" }
  tags:
    - holland_conf
    - holland_all

- name: Check for holland cron file
  command: ls /etc/cron.d/holland_backups
  failed_when: false
  changed_when: holland_cron.rc != 0
  register: holland_cron
  tags:
    - holland_cron
    - holland_all

- name: Create holland backup cron job
  cron:
    name: "holland-backup"
    minute: "{{ 59|random }}"
    weekday: "{{ 6|random }}"
    state: present
    job: "holland bk"
    user: root
    cron_file: holland_backups
  when: holland_cron.rc != 0
  tags:
    - holland_cron
    - holland_all