groups:

- name: DcuMongodbExporter

  
  rules:

    - alert: MongodbReplicationLag(dcu)
      expr: 'avg(mongodb_replset_member_optime_date{state="PRIMARY"}) - avg(mongodb_replset_member_optime_date{state="SECONDARY"}) > 10'
      for: 0m
      labels:
        severity: critical
      annotations:
        summary: MongoDB replication lag (DCU) (instance {{ $labels.instance }})
        description: "Mongodb replication lag is more than 10s\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbReplicationStatus3
      expr: 'mongodb_replset_member_state == 3'
      for: 0m
      labels:
        severity: critical
      annotations:
        summary: MongoDB replication Status 3 (instance {{ $labels.instance }})
        description: "MongoDB Replication set member either perform startup self-checks, or transition from completing a rollback or resync\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbReplicationStatus6
      expr: 'mongodb_replset_member_state == 6'
      for: 0m
      labels:
        severity: critical
      annotations:
        summary: MongoDB replication Status 6 (instance {{ $labels.instance }})
        description: "MongoDB Replication set member as seen from another member of the set, is not yet known\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbReplicationStatus8
      expr: 'mongodb_replset_member_state == 8'
      for: 0m
      labels:
        severity: critical
      annotations:
        summary: MongoDB replication Status 8 (instance {{ $labels.instance }})
        description: "MongoDB Replication set member as seen from another member of the set, is unreachable\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbReplicationStatus9
      expr: 'mongodb_replset_member_state == 9'
      for: 0m
      labels:
        severity: critical
      annotations:
        summary: MongoDB replication Status 9 (instance {{ $labels.instance }})
        description: "MongoDB Replication set member is actively performing a rollback. Data is not available for reads\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbReplicationStatus10
      expr: 'mongodb_replset_member_state == 10'
      for: 0m
      labels:
        severity: critical
      annotations:
        summary: MongoDB replication Status 10 (instance {{ $labels.instance }})
        description: "MongoDB Replication set member was once in a replica set but was subsequently removed\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbNumberCursorsOpen(dcu)
      expr: 'mongodb_metrics_cursor_open{state="total_open"} > 10000'
      for: 2m
      labels:
        severity: warning
      annotations:
        summary: MongoDB number cursors open (DCU) (instance {{ $labels.instance }})
        description: "Too many cursors opened by MongoDB for clients (> 10k)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbCursorsTimeouts(dcu)
      expr: 'increase(mongodb_metrics_cursor_timed_out_total[1m]) > 100'
      for: 2m
      labels:
        severity: warning
      annotations:
        summary: MongoDB cursors timeouts (DCU) (instance {{ $labels.instance }})
        description: "Too many cursors are timing out ({{ $value }} in the last minute)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"

    - alert: MongodbTooManyConnections(dcu)
      expr: 'mongodb_connections{state="current"} / (mongodb_connections{state="current"} + mongodb_connections{state="available"}) * 100 > 80 and (mongodb_connections{state="current"} + mongodb_connections{state="available"}) > 0'
      for: 2m
      labels:
        severity: warning
      annotations:
        summary: MongoDB too many connections (DCU) (instance {{ $labels.instance }})
        description: "Too many connections (> 80%)\n  VALUE = {{ $value }}\n  LABELS = {{ $labels }}"