apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-config
data:
  config.yaml: |
    receivers:
      otlp:
        protocols:
          grpc:
            keepalive:
              enforcement_policy:
                min_time: 10s
                permit_without_stream: true
            endpoint: "0.0.0.0:4317"
          http:
            endpoint: "0.0.0.0:4318"
    processors:
      filter/drop-metrics-scraping:
        error_mode: ignore
        traces:
          span:
            - 'attributes["url.path"] == "/metrics"'
            - 'attributes["http.route"] == "/metrics"'
            - name == "GET /metrics"
            - name == "GET"
      batch:
        send_batch_size: 1024
        timeout: 1s
    exporters:
      otlp/jaeger:
        endpoint: "jaeger-collector:4317"
        tls:
          insecure: true
    service:
      pipelines:
        traces:
          receivers: [otlp]
          processors: [filter/drop-metrics-scraping, batch]
          exporters: [otlp/jaeger]
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: otel-collector
spec:
  replicas: 1
  selector:
    matchLabels:
      app: otel-collector
  template:
    metadata:
      labels:
        app: otel-collector
    spec:
      securityContext:
        runAsNonRoot: true
        seccompProfile:
          type: RuntimeDefault
      containers:
      - name: otel-collector
        image: ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:0.120.0
        securityContext:
          allowPrivilegeEscalation: false
          capabilities:
            drop: [ALL]
        args:
        - "--config=/etc/otel/config.yaml"
        ports:
        - containerPort: 4317
          name: otlp-grpc
        - containerPort: 4318
          name: otlp-http
        volumeMounts:
        - name: config
          mountPath: /etc/otel
          readOnly: true
      volumes:
      - name: config
        configMap:
          name: otel-collector-config
---
apiVersion: v1
kind: Service
metadata:
  name: otel-collector
spec:
  selector:
    app: otel-collector
  ports:
  - port: 4317
    targetPort: 4317
    name: otlp-grpc
  - port: 4318
    targetPort: 4318
    name: otlp-http