kolla-ansible/ansible/roles/vitrage/tasks/precheck.yml

---
- name: Get container facts
  kolla_container_facts:
    name:
      - vitrage_api
  register: container_facts

- name: Checking free port for vitrage API
  wait_for:
    host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
    port: "{{ vitrage_api_port }}"
    connect_timeout: 1
    state: stopped
  when:
    - container_facts['vitrage_api'] is not defined
    - inventory_hostname in groups['vitrage-api']

- name: Checking custom prometheus_conf.yaml exists
  local_action: stat_path="{{ node_custom_config }}/vitrage/prometheus_conf.yaml"
  register: result
  run_once: true
  failed_when: not result.stat.exists
  when:
    - enable_vitrage_prometheus_datasource | bool