nginx/meta/heka.yml

{%- from "nginx/map.jinja" import server with context %}
{%- if server.get('enabled', False) and server.get('site', {}).nginx_stats_server is defined %}
metric_collector:
  trigger:
    nginx_check:
      description: 'nginx cannot be checked'
      severity: down
      rules:
      - metric: nginx_check
        relational_operator: '=='
        threshold: 0
        window: 60
        periods: 0
        function: last
  alarm:
    nginx_check:
      alerting: enabled
      triggers:
      - nginx_check
      dimension:
        service: nginx
aggregator:
  alarm_cluster:
    nginx_check:
      policy: majority_of_members
      match:
        service: nginx
      group_by: hostname
      members:
      - nginx_check
      dimension:
        cluster_name: nginx
{%- endif %}