- name: call pct command
  command: 
    cmd: "pct exec {{ container_id | quote }} -- {{ pct_command | mandatory }}"
  register: result
  changed_when: "(chg_substr is defined and chg_substr in result.stdout) or \ 
                 (chg_rc is defined and chg_rc == result.rc) or \
                 chg_always is defined"

  failed_when: "(fail_substr is defined and (fail_substr in result.stdout or fail_substr in result.stderr)) or \
                (fail_rc is defined and fail_rc == result.rc) or \
                result.rc != 0"

  delegate_to: "{{ selected_node | mandatory }}"