---
### Task dedicated to install ovzdb ###
### ref http://projets.developpeur-neurasthenique.fr/projects/openvz-diff-backups ###

## Check openvz hypervisor
- name: check server is openvz hypervisor
  fail: msg="You are trying to install on a non-openvz hypervisor, exiting..."
  tags: 
     - backup
  when: ansible_virtualization_type != 'openvz' and ansible_virtualization_role !='host'

#### Download and extract openvz-diff-backup ####
- name: install openvz-diff-backups - prerequisite
  apt: pkg={{item}} state=present update_cache=yes
  tags:
    - backup
  with_items:
    - dnsutils
    - libpcre3
    - rsync
    - bc
    - uuid-runtime
    - pbzip2

## TODO : possibility to reduce to one task with ansible 2.0
## Ref : src option from http://docs.ansible.com/ansible/unarchive_module.html
- name: install openvz-diff-backups - download
  get_url: 
     url=http://download.openvz-diff-backups.fr/releases/openvz-diff-backups_v0.9.4-beta.tar.gz
     dest=/tmp/openvz-diff-backup.tar.gz
     force=yes
  tags:
    - backup
  when: not beta | bool

- name: install openvz-diff-backups - untar
  unarchive: src=/tmp/openvz-diff-backup.tar.gz dest=/root/ copy=no
  tags: 
    - backup
  when: not beta | bool

### Possibility to use beta version ###
- name: install openvz-diff-backup - beta file
  copy: 
     src=openvz-diff-backups_v0.9.8-beta.tar.gz
     dest=/tmp/openvz-diff-backup.tar.gz
     force=yes
  tags:
    - backup
  when: beta | bool

- name: install openvz-diff-backups - untar beta
  unarchive: src=/tmp/openvz-diff-backup.tar.gz dest=/root/ copy=no
  tags: 
    - backup
  when: beta | bool

#### Configure openvz-diff-backups ####
- name: install openvz-diff-backups - link to simple directory
  file:
     src=/root/openvz-diff-backups_v0.9.4-beta
     path=/root/openvz-diff-backups
     state=link
  tags: 
    - backup
  when: not beta | bool

- name: install openvz-diff-backups - link to simple directory - beta
  file:
     src=/root/openvz-diff-backups_v0.9.8-beta
     path=/root/openvz-diff-backups
     state=link
  tags: 
    - backup
  when: beta | bool

- name: install openvz-diff-backups - upload conf file
  template: src=openvz-diff-backups.conf.j2 dest=/etc/openvz-diff-backups.conf
  tags: 
    - backup

- name: install openvz-diff-backups - create symlink to usr/local/bin
  file:
     src=/root/openvz-diff-backups/openvz-diff-backups
     path=/usr/local/bin/openvz-diff-backups
     state=link
  tags: 
    - backup

- name: install openvz-diff-backups - update to latest release - CAN TAKE A WHILE
  shell: /usr/local/bin/openvz-diff-backups update all install -c /etc/openvz-diff-backups.conf;/usr/local/bin/openvz-diff-backups update all check -c /etc/openvz-diff-backups.conf
  register: result
  until: result.stdout.find("your release is up to date") != -1
  retries: 10
  tags: 
    - backup
  when: not beta | bool

- name: install openvz-diff-backups - cron for dump
  cron: name="backup container with openvz-diff-backups" minute="{{ backup_minute }}" hour="{{ backup_hour }}" job='/usr/local/bin/openvz-diff-backups backup all auto -q  -c /etc/openvz-diff-backups.conf> /dev/null'
  tags: 
    - backup

- name: install openvz-diff-backups - cron for purge
  cron: name="purge ct backups with openvz-diff-backups" minute="{{ purge_minute }}" hour="{{ purge_hour }}" job='/usr/local/bin/openvz-diff-backups delete all 7- -q -c /etc/openvz-diff-backups.conf > /dev/null'
  tags: 
    - backup

- name: install openvz-diff-backups - cron for replicate
  cron: name="upload ct backups with openvz-diff-backups" minute="{{ upload_minute }}" hour="{{ upload_hour }}" job='/usr/local/bin/openvz-diff-backups replicate all 0- -q -c /etc/openvz-diff-backups.conf > /dev/null'
  tags: 
    - backup

- name: install openvz-diff-backups - check and generate rsa key on server
  user: name=root generate_ssh_key=yes ssh_key_bits=4096
  tags: 
    - backup

- name: install openvz-diff-backups - get rsa key on the server
  shell: /bin/cat /root/.ssh/id_rsa.pub
  register: server_key
  ignore_errors: false
  tags: 
    - backup

- name: install openvz-diff-backups - install ssh key to backup server
  authorized_key: user=root key='{{ server_key.stdout }}'
  tags: 
    - backup
  delegate_to: "{{ backup_server }}"

- name: install openvz-diff-backups - install ssh key to upload server
  authorized_key: user=root key='{{ server_key.stdout }}'
  tags: 
    - backup
  delegate_to: "{{ upload_server }}"

## Hook to create files to monitoring for openvz-diff-backups
- name: monitoring for openvz-diff-backups - upload hook script
  copy: src=openvz-diff-backups-hook-OVZDB_WRITE_ERROR_REPORT dest=/root/openvz-diff-backups/etc/hooks/OVZDB_WRITE_ERROR_REPORT mode=0755
  tags: 
    - backup

- name: monitoring for openvz-diff-backups - activate hook
  file:
     src=/root/openvz-diff-backups/etc/hooks/OVZDB_WRITE_ERROR_REPORT
     path=/root/openvz-diff-backups/etc/hooks/hook-failure
     state=link
  tags: 
    - backup