otelcollector.yaml

apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-conf
  labels:
    app: opentelemetry
    component: otel-collector-conf
data:
  otel-collector-config: |
    receivers:
      otlp:
        protocols:
          http:

    exporters:
      logging:
        loglevel: debug
      prometheus:
        endpoint: "0.0.0.0:8889"
        send_timestamps: true
        metric_expiration: 180m

    service:
      telemetry:
        logs:
          encoding: json
      pipelines:
        metrics:
          receivers:
            - otlp
          exporters:
            - logging
            - prometheus
---
apiVersion: v1
kind: Service
metadata:
  name: otel-collector
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  ports:
  - name: otlp-http # Default endpoint for OpenTelemetry HTTP receiver.
    port: 4318
    protocol: TCP
  - name: prometheus
    port: 80
    targetPort: 8889
    protocol: TCP
  selector:
    component: otel-collector
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: otel-collector
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  selector:
    matchLabels:
      app: opentelemetry
      component: otel-collector
  minReadySeconds: 5
  progressDeadlineSeconds: 120
  replicas: 1
  template:
    metadata:
      labels:
        app: opentelemetry
        component: otel-collector
    spec:
      containers:
      - command:
          - "/otelcol"
          - "--config=/conf/otel-collector-config.yaml"
        image: otel/opentelemetry-collector:0.61.0
        name: otel-collector
        resources:
          limits:
            memory: 2Gi
          requests:
            cpu: 200m
            memory: 400Mi
        ports:
        - containerPort: 4318 # Default endpoint for OpenTelemetry receiver.
        - containerPort: 8889 # Endpoint for Prometheus exporter.
        volumeMounts:
        - name: otel-collector-config-vol
          mountPath: /conf
      volumes:
        - configMap:
            name: otel-collector-conf
            items:
              - key: otel-collector-config
                path: otel-collector-config.yaml
          name: otel-collector-config-vol