---
- hosts: tp.b8.nz
  roles:
    - role: prom
      prometheus_scrape_configs:
        - job_name: "prometheus"
          metrics_path: "{{ prometheus_metrics_path }}"
          static_configs:
            - targets:
                - "{{ ansible_fqdn | default(ansible_host) | default('localhost') }}:9090"
        - job_name: "node"
          basic_auth:
            username: prom
            password_file: /etc/prometheus-pass
          scheme: "https"
          file_sd_configs:
            - files:
                - "{{ prometheus_config_dir }}/file_sd/node.yml"

      prometheus_targets:
        node:
          - targets: "{{ groups.all|map('regex_replace','$',':9101')|list }}"

    - role: node-exporter
      node_exporter_web_listen_address: "127.0.0.1:9100"
    - role: alertmanager
      alertmanager_smtp:
        smarthost: 'localhost:25'
        from: "alertmanager@{{ ansible_fqdn | default(ansible_host) | default('localhost') }}"
        require_tls: false
      alertmanager_route:
        receiver: defaultreceiver
      alertmanager_receivers:
        - name: defaultreceiver
          email_configs:
            - to: alerts@iankelling.org
              html: "{% raw -%}{{ template \"email.default.html\" . }}{% endraw -%}"
              text: "{% raw -%}{{ template \"email.default.text\" . }}{% endraw -%}"

      alertmanager_listen_address: '127.0.0.1:9093'
    - role: grafana
      grafana_address: "127.0.0.1"
      # iank: playbook will halt if no password is set. this is only
      # available to localhost, so i dont really care, but might as well
      # generate a pass isntead of putting in pw123 etc.
      grafana_security: { admin_user: admin, admin_password: spheroid.recantation.shank }
      grafana_datasources:
        - name: prometheus
          type: prometheus
          access: proxy
          url: 'http://{{ prometheus_web_listen_address }}'
          basicAuth: false
          isDefault: true
      # This is based on looking at highly downloaded dashboards here
      # https://grafana.com/dashboards?dataSource=prometheus&collector=nodeExporter
      # Which is where you are lead to from
      # https://prometheus.io/docs/visualization/grafana/
      grafana_dashboards:
        - dashboard_id: 1860
          revision_id: 13
          datasource: prometheus
        - dashboard_id: 405
          revision_id: 8
          datasource: prometheus