MongoDB

# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: apps/v1
kind: Deployment
metadata:
  name: mongodb-exporter
  labels:
    app.kubernetes.io/name: mongodb-exporter
spec:
  replicas: 1
  selector:
    matchLabels:
      app.kubernetes.io/name: mongodb-exporter
  template:
    metadata:
      labels:
        app.kubernetes.io/name: mongodb-exporter
    spec:
      containers:
      - name: exporter
        image: percona/mongodb_exporter:0.39
        args:
        - --mongodb.uri=mongodb://user:password@mongodb-service-name:27017
        - --collect-all
        ports:
        - name: prometheus
          containerPort: 9216
          protocol: TCP

# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: monitoring.googleapis.com/v1
kind: PodMonitoring
metadata:
  name: mongodb
  labels:
    app.kubernetes.io/name: mongodb
    app.kubernetes.io/part-of: google-cloud-managed-prometheus
spec:
  endpoints:
  - port: prometheus
    scheme: http
    interval: 30s
    path: /metrics
  selector:
    matchLabels:
      app.kubernetes.io/name: mongodb-exporter

# Copyright 2023 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: monitoring.googleapis.com/v1
kind: Rules
metadata:
  name: mongodb-rules
  labels:
    app.kubernetes.io/component: rules
    app.kubernetes.io/name: mongodb-rules
    app.kubernetes.io/part-of: google-cloud-managed-prometheus
spec:
  groups:
  - name: mongodb
    interval: 30s
    rules:
    - alert: MongoDBConnectionUtilizationNearMax
      annotations:
        description: |-
          MongoDB connection utilization near max
            VALUE = {{ $value }}
            LABELS: {{ $labels }}
        summary: MongoDB connection utilization near max (instance {{ $labels.instance }})
      expr: mongodb_sys_netstat_Tcp_CurrEstab >= 50000
      for: 5m
      labels:
        severity: warning
    - alert: MongoDBDown
      annotations:
        description: |-
          MongoDB is down
            VALUE = {{ $value }}
            LABELS: {{ $labels }}
        summary: MongoDB is down (instance {{ $labels.instance }})
      expr: mongodb_up < 1
      for: 5m
      labels:
        severity: critical