prometheus/templates/conf/prometheus.yml.j2

# {{ ansible_managed }}

global:
  scrape_interval:     {{ prometheus_server_global_scrape_interval }}s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: {{ prometheus_server_global_evaluation_interval }}s # Evaluate rules every 15 seconds. The default is every 1 minute.

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

{% if prometheus_server_rules is defined %}
# Load rules once and periodically evaluate them according to the global 'evaluation_interval'.
rule_files:
        - 'rules.yml'
{% endif %}

# 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_server_job_name }}'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: {{ prometheus_server_scrape_interval }}s
    scrape_timeout:  {{ prometheus_server_scrape_timeout }}s

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

    static_configs:
      - targets: ['localhost:9090']

{% if prometheus_node_exporter_targets is defined %}
  # node exporter #
  - job_name: node
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_node_exporter_targets %}
        - {{ target }}:9100
{% endfor %}
{% endif %}

{% if prometheus_mysqld_exporter_targets is defined %}
  # mysql exporter #
  - job_name: mysql
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
{% if prometheus_mysqld_exporter_custom is defined %}
{% for target in prometheus_mysqld_exporter_custom.values() %}
      - targets: ['{{ target.node_name }}:9104']
        labels:
          environment: '{{ target.environment }}'
          node_name: '{{ target.node_name }}'
          service_name: '{{ target.service_name }}'
          cluster: '{{ target.cluster }}'
{% endfor %}
{% else %}
      - targets:
{% for target in prometheus_mysqld_exporter_targets %}
        - {{ target }}:9104
{% endfor %}
{% endif %}
{% endif %}

{% if prometheus_mongodb_exporter_targets is defined %}
  # mongoDB exporter #
  - job_name: mongodb
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
{% if prometheus_mongodb_exporter_custom is defined %}
{% for target in prometheus_mongodb_exporter_custom.values() %}
      - targets: ['{{ target.node_name }}:9216']
        labels:
          environment: '{{ target.environment }}'
          node_name: '{{ target.node_name }}'
          service_name: '{{ target.service_name }}'
          cluster: '{{ target.cluster }}'
{% endfor %}
{% else %}
      - targets:
{% for target in prometheus_mongodb_exporter_targets %}
        - {{ target }}:9216
{% endfor %}
{% endif %}
{% endif %}

{% if prometheus_postgres_exporter_targets is defined %}
  # postgresql exporter #
  - job_name: postgresql
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
{% if prometheus_postgres_exporter_custom is defined %}
{% for target in prometheus_postgres_exporter_custom.values() %}
      - targets: ['{{ target.node_name }}:9187']
        labels:
          environment: '{{ target.environment }}'
          node_name: '{{ target.node_name }}'
          service_name: '{{ target.service_name }}'
          cluster: '{{ target.cluster }}'
{% endfor %}
{% else %}
      - targets:
{% for target in prometheus_postgres_exporter_targets %}
        - {{ target }}:9187
{% endfor %}
{% endif %}
{% endif %}

{% if prometheus_phpfpm_exporter_targets is defined %}
  # PHP-FPM exporter #
  - job_name: phpfpm
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_phpfpm_exporter_targets %}
        - {{ target }}:9253
{% endfor %}
{% endif %}

{% if prometheus_apache_exporter_targets is defined %}
  # apache exporter #
  - job_name: apache
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_apache_exporter_targets %}
        - {{ target }}:9117
{% endfor %}
{% endif %}

{% if prometheus_haproxy_exporter_targets is defined %}
  # haproxy exporter #
  - job_name: haproxy
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_haproxy_exporter_targets %}
        - {{ target }}:8404
{% endfor %}
{% endif %}

{% if prometheus_varnish_exporter_targets is defined %}
  - job_name: varnish
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_varnish_exporter_targets %}
        - {{ target }}:9131
{% endfor %}
{% endif %}

{% if prometheus_blackbox_exporter is defined %}
  # blacbox #
{% if prometheus_blackbox_exporter_http is defined %}
{% for target in prometheus_blackbox_exporter_http.values() %}
  ## http check ##
  - job_name: blackbox - url {{ target.service_name }}
    scrape_interval: 30s
    scrape_timeout: 10s
    metrics_path: {{ target.metrics_path }}
    params:
      module: [http_2xx]
    static_configs:
      - targets:
        - {{target.host }}
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: localhost:9115
{% endfor %}
{% endif %}
{% if prometheus_blackbox_exporter_ping is defined %}
{% for target in prometheus_blackbox_exporter_ping.values() %}
  ## ping ##
  - job_name: blackbox - ping {{ target.service_name }}
    scrape_interval: 30s
    scrape_timeout: 10s
    params:
      module: [icmp]
    static_configs:
      - targets:
         - {{ target.host }}
    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: localhost:9115
{% endfor %}
{% endif %}
{% endif %}