---
- name: Copy user database from a one nextcloud to another
  hosts: all
  vars:
    container_name: "db"
  tasks:
  - debug: msg="{{ nextcloud_admin_passwd }}"
  - name: Backup Postgres necessary table on src
    block:
      - shell: "docker exec -u postgres {{ container_name }} pg_dump --clean -t public.oc_accounts -t public.oc_users -t public.oc_groups -t public.oc_group_admin  -t public.oc_group_user  nextcloud > /tmp/nextcloud_backup.sql"
      - name: Fetch the SQL dump from src
        run_once: yes
        fetch: src=/tmp/nextcloud_backup.sql dest=/tmp/ flat=yes
    when: inventory_hostname == "nextcloud-src"
  - name: Restore Postgres necessary table on dst
    block:
      - name: Copy the SQL dump to dst
        copy: src=/tmp/nextcloud_backup.sql dest=//tmp/
        become: yes
      - shell: "docker exec -i -u postgres {{ container_name }} psql nextcloud < /tmp/nextcloud_backup.sql"     
    when: inventory_hostname == "nextcloud-dst"