prometheus/templates/prometheus.yml.j2

# {{ ansible_managed }}

global:
  scrape_interval:     {{ prometheus_server_global_scrape_interval | default(15) }}s # Set the scrape interval to every 15 seconds. Default is every 1 minute.
  evaluation_interval: {{ prometheus_server_global_evaluation_interval | default(15) }}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 | default("prometheus") }}'

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

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

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

{% if prometheus_node_exporter_targets is defined %}
  - 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 %}
  - job_name: mysql
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_mysqld_exporter_targets %}
        - {{ target }}:9104
{% endfor %}
{% endif %}

{% if prometheus_mongodb_exporter_targets is defined %}
  - job_name: mongodb
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_mongodb_exporter_targets %}
        - {{ target }}:9216
{% endfor %}
{% endif %}

{% if prometheus_postgres_exporter_targets is defined %}
  - job_name: postgresql
    scrape_interval: 30s
    scrape_timeout: 10s
    static_configs:
      - targets:
{% for target in prometheus_postgres_exporter_targets %}
        - {{ target }}:9187
{% endfor %}
{% endif %}