stop_cluster_and_clean_db_data.yml

# ATTENTION DANGER: this playbook will remove patroni state
#                   and even potential database data - everything!
#                   BOOOM!!!!
#
- name: stop patroni and remove databases ready to re-init
  hosts: {{ pgsql_servers_group }}
  tasks:
    - debug: msg="removing patroni and postgres V.{{ postgresql_major_version }} data"
      run_once: true

    - name: stop patroni
      service: name=patroni@{{ postgresql_major_version }}-qgisclouddb.service state=stopped

    # be sure
    - name: kill patroni
      command: pkill -TERM patroni
      ignore_errors: true

    - name: remove postgres config and DB state
      file: path={{ item }} state=absent
      with_items:
        - "/etc/postgresql/{{ postgresql_major_version }}"
        - "/var/lib/postgresql/{{ postgresql_major_version }}"

    - name: remove patroni state
      shell: ". ~/.etcdctl_environment && etcdctl rm -r /postgresql-common"
      run_once: true # only one member of the cluster needs to execute this