ansible/roles/prometheus/templates/prometheus.yml

{{ ansible_managed | comment }}

global:
  # scrape_interval:     15s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  # evaluation_interval: 15s # Evaluate rules every 15 seconds. The default is every 1 minute.
  # scrape_timeout is set to the global default (10s).

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
  #  monitor: 'example'

# Alertmanager configuration
alerting:
  alertmanagers:
  - static_configs:
    - targets: ['{{ lan_address }}:9093']
    scheme: https
    tls_config:
      ca_file: '/etc/prometheus/ca.crt'
      cert_file: '/etc/prometheus/prometheus-{{ lan_address }}.crt'
      key_file: '/etc/prometheus/prometheus-{{ lan_address }}.key'

# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
  - "alerts/*.yml"

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'prometheus'

    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.

    static_configs:
      - targets: ['{{ lan_address }}:9090']
    scheme: https
    tls_config:
      ca_file: '/etc/prometheus/ca.crt'
      cert_file: '/etc/prometheus/prometheus-{{ lan_address }}.crt'
      key_file: '/etc/prometheus/prometheus-{{ lan_address }}.key'

  - job_name: node
    file_sd_configs:
      - files:
        - '/etc/prometheus/targets/node-targets.json'
    relabel_configs:
      # Use hostnames instead of ip for the instance label
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
        regex: '.*/(.*)'
        replacement: '$1'
      - source_labels: [__param_target]
        target_label: __address__
        regex: '(.*)/.*'
        replacement: '$1:9100'
    scheme: https
    tls_config:
      ca_file: '/etc/prometheus/ca.crt'
      cert_file: '/etc/prometheus/prometheus-{{ lan_address }}.crt'
      key_file: '/etc/prometheus/prometheus-{{ lan_address }}.key'

{% for target_type in ('https-internal', 'http-external-up', 'http-external-down') %}
  - job_name: blackbox {{ target_type }}
    metrics_path: /probe
    params:
      module: [http_2xx]
    file_sd_configs:
      - files:
        - '/etc/prometheus/targets/blackbox-{{ target_type }}-targets.json'
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: {{ lan_address }}:9115
    scheme: https
    tls_config:
      ca_file: '/etc/prometheus/ca.crt'
      cert_file: '/etc/prometheus/prometheus-{{ lan_address }}.crt'
      key_file: '/etc/prometheus/prometheus-{{ lan_address }}.key'

{% endfor %}