matrix-docker-ansible-deploy/roles/custom/matrix-prometheus-nginxlog-exporter/tasks/validate_config.yml

---

- name: Fail if Prometheus not enabled
  ansible.builtin.fail:
    msg: >
      You need to set `prometheus_enabled: true` or configure an external Prometheus database
      as this roles requires Prometheus for data storage.
  when: not prometheus_enabled and not matrix_prometheus_nginxlog_exporter_metrics_proxying_enabled

- name: Fail if docker image not availble for arch
  ansible.builtin.fail:
    msg: >
      'prometheus-nginxlog-exporter' docker image is not available for your arch '{{ matrix_architecture }}'.

      We currently do not support building an image using this playbook.

      You can use a custom-build image by setting
          'matrix_prometheus_nginxlog_exporter_docker_image_arch_check_enabled: false'
          'matrix_prometheus_nginxlog_exporter_docker_image: path/to/docker/image:tag'

      or disable 'prometheus-nginxlog-exporter' by setting
          'matrix_prometheus_nginxlog_exporter: false'

      in vars.yml
  when: matrix_prometheus_nginxlog_exporter_docker_image_arch_check_enabled and matrix_architecture not in matrix_prometheus_nginxlog_exporter_docker_image_arch


- name: Fail if nginx-proxy is not set to proxy metrics while prometheus-nginxlog-exporter is
  ansible.builtin.fail:
    msg: >
      'matrix_prometheus_nginxlog_exporter_metrics_proxying_enabled' is set but 'matrix_nginx_proxy_proxy_matrix_metrics_enabled' is not
  when: matrix_prometheus_nginxlog_exporter_metrics_proxying_enabled | bool and not matrix_nginx_proxy_proxy_matrix_metrics_enabled | bool