automation/deployer/roles/build/tasks/backup.yml

---
# Needs variables:
#   - site: dict describing the site install (cf group_vars/all/vars.yml)
#   - site_data_path: path of the site's data


- name: "Setup periodic site files backup"
  block:
    - name: "Create logrotate configuration"
      blockinfile:
        path: "/etc/logrotate.d/{{ site.slug }}"
        marker: "# {mark} DATA BACKUP"
        create: yes
        block: |
          {{ backups_path }}/{{ site.slug }}.tar.gz {
            firstaction
              tar czf {{ backups_path }}/{{ site.slug }}.tar.gz {{ site_data_path }}
            endscript
            weekly
            rotate 4
            nocompress
            dateext
            dateformat _%Y-%m-%d
            extension .tar.gz
            missingok
            su www-data www-data
          }
    - name: "Touch empty backup file"
      file:
        path: "{{ backups_path }}/{{ site.slug }}.tar.gz"
        mode: "0644"
        owner: www-data
        group: www-data
        state: touch
  become: yes
  when: site_data_path is defined

- name: "Setup periodic MySQL database backup"
  block:
    - name: "Create logrotate configuration"
      blockinfile:
        path: "/etc/logrotate.d/{{ site.slug }}"
        marker: "# {mark} DATABASE BACKUP"
        create: yes
        block: |
          {{ backups_path }}/{{ site.slug }}.sql.gz {
            firstaction
              mysqldump {{ site.mysql_database }} | gzip -c > {{ backups_path }}/{{ site.slug }}.sql.gz
            endscript
            weekly
            rotate 4
            nocompress
            dateext
            dateformat _%Y-%m-%d
            extension .sql.gz
            missingok
            su www-data www-data
          }
    - name: "Touch empty backup file"
      file:
        path: "{{ backups_path }}/{{ site.slug }}.sql.gz"
        mode: "0644"
        owner: www-data
        group: www-data
        state: touch
  become: yes
  when: site.mysql_database is defined

- name: "Setup periodic PostgreSQL database backup"
  block:
    - name: "Create logrotate configuration"
      blockinfile:
        path: "/etc/logrotate.d/{{ site.slug }}"
        marker: "# {mark} DATABASE BACKUP"
        create: yes
        block: |
          {{ backups_path }}/{{ site.slug }}.sql.gz {
            firstaction
              sudo -u postgres pg_dump {{ site.postgres_database }} | gzip -c > {{ backups_path }}/{{ site.slug }}.sql.gz
            endscript
            weekly
            rotate 4
            nocompress
            dateext
            dateformat _%Y-%m-%d
            extension .sql.gz
            missingok
            su www-data www-data
          }
    - name: "Touch empty backup file"
      file:
        path: "{{ backups_path }}/{{ site.slug }}.sql.gz"
        mode: "0644"
        owner: www-data
        group: www-data
        state: touch
  become: yes
  when: site.postgres_database is defined