---
- name: Check folders
  become: true
  ansible.builtin.file:
    path: "{{ config_file.host_path }}"
    state: directory
    mode: '0755'


- name: Setup config File
  become: true
  ansible.builtin.copy:
    dest: "{{ config_file.host_path }}/config.yaml" 
    mode: '0644'
    content: |
      # file maintained by myLimbo.docker.promtail ansible role
      server:
        http_listen_port: 9080
        grpc_listen_port: 0
      positions:
        filename: /data/positions.yaml

      clients:
        - url: {{loki.url}}

      scrape_configs:
      {% if  scrape.host_log_files.enabled == true %}
        - job_name: varlog
          static_configs:
          - targets:
              - localhost
            labels:
              job: varlog
              host: "{{ labels.host }}"
              __path__: /var/log/*log
      {% endif %}
        - job_name: journald
          journal:
            json: true
            max_age: 12h
            path: /var/log/journal
            # matches: _TRANSPORT=kernel
            labels:
              job: journald
              host: "{{ labels.host }}"
          relabel_configs:
            - source_labels: ['__journal__systemd_unit']
              target_label: 'journal_systemd_unit'
            - source_labels: ['__journal_syslog_identifier']
              target_label: 'journal_syslog_identifier'
            - source_labels: ['__journal__hostname']
              target_label: 'journal_hostname'
          pipeline_stages:
            - match:
                selector: '{journal_systemd_unit="docker.service"}'
                stages:
                  - json:
                        expressions:
                          container_name: CONTAINER_NAME
                  - labels:
                      container_name:
      {% if scrape.docker.enabled == true %}
        - job_name: docker
          docker_sd_configs:
            - host: unix:///var/run/docker.sock
              refresh_interval: 5s
          pipeline_stages:
            - static_labels:
                job: "docker"
                host: "{{ labels.host }}"
          relabel_configs:
            - source_labels: ['container_name']
              target_label: "container_name"
      {% endif %}

- name: Docker Container Setup
  become: true
  community.docker.docker_container:
    name: promtail
    image: grafana/promtail:latest
    state: started
    restart_policy: unless-stopped
    pull: yes
    command: -config.file=/mnt/config/config.yaml -config.expand-env=true
    volumes:
      - "{{ config_file.host_path }}:/mnt/config"
      - promtail-data:/data 
      - /var/log:/var/log
      - /var/log/journal/:/var/log/journal
      - /run/log/journal/:/run/log/journal
      - /etc/machine-id:/etc/machine-id
      - /var/run/docker.sock:/var/run/docker.sock