apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: otel-collector-test
  namespace: otel
spec:
  selector:
    matchLabels:
      app: otel-collector-test
  template:
    metadata:
      labels:
        app: otel-collector-test
    spec:
      containers:
        - args:
            - '--config=/conf/relay.yaml'
          image: otel/opentelemetry-collector-contrib:0.138.0
          name: gateway
          volumeMounts:
            - mountPath: /conf
              name: gateway-configmap
            - mountPath: /var/run/otel
              name: otel-sockets
      volumes:
        - configMap:
            defaultMode: 420
            items:
              - key: relay
                path: relay.yaml
            name: otel-collector-gateway
          name: gateway-configmap
        - hostPath:
            path: /var/run/otel
            type: DirectoryOrCreate
          name: otel-sockets
---
apiVersion: v1
data:
  relay: |
    receivers:
      nop:      
      statsd:
        transport: unixgram
        endpoint: /var/run/otel/statsd.sock
        aggregation_interval: 30s
        enable_metric_type: true
        enable_ip_only_aggregation: true
        enable_simple_tags: true
        is_monotonic_counter: true
        timer_histogram_mapping:
          - statsd_type: "timing"
            observer_type: "histogram"
            histogram:
              max_size: 50
          - statsd_type: "histogram"
            observer_type: "histogram"
            histogram:
              max_size: 50
          - statsd_type: "distribution"
            observer_type: "histogram"
            histogram:
              max_size: 50

    exporters:
      debug/nop:
        verbosity: detailed
        use_internal_logger: true
        sampling_initial: 0
        sampling_thereafter: 0

    service:
      pipelines:
        traces/nop:
          receivers: [nop]
          processors: []
          exporters: [debug/nop]
      
        metrics/nop:
          receivers: [nop]
          processors: []
          exporters: [debug/nop]
kind: ConfigMap
metadata:
  name: otel-collector-gateway
  namespace: otel

2025-12-09T23:03:08.058Z	error	graph/graph.go:439	Failed to start component	{"resource": {"service.instance.id": "619ab3ef-1669-4d9d-b823-9816c4f48da9", "service.name": "otelcol-contrib", "service.version": "0.138.0"}, "error": "starting to listen unixgram socket: listen unixgram /var/run/otel/statsd.sock: bind: address already in use", "type": "Receiver", "id": "statsd"}
2025-12-09T23:03:08.058Z	info	healthcheck/handler.go:131	Health Check state change	{"resource": {"service.instance.id": "619ab3ef-1669-4d9d-b823-9816c4f48da9", "service.name": "otelcol-contrib", "service.version": "0.138.0"}, "otelcol.component.id": "health_check", "otelcol.component.kind": "extension", "status": "unavailable"}
2025-12-09T23:03:08.059Z	info	agentcomponents/zaplogger.go:39	Exiting concentrator, computing remaining stats	{"resource": {"service.instance.id": "619ab3ef-1669-4d9d-b823-9816c4f48da9", "service.name": "otelcol-contrib", "service.version": "0.138.0"}, "otelcol.component.id": "datadog", "otelcol.component.kind": "exporter", "otelcol.signal": "traces"}
2025-12-09T23:03:08.060Z	info	agentcomponents/zaplogger.go:39	Exiting concentrator, computing remaining stats	{"resource": {"service.instance.id": "619ab3ef-1669-4d9d-b823-9816c4f48da9", "service.name": "otelcol-contrib", "service.version": "0.138.0"}, "otelcol.component.id": "datadog", "otelcol.component.kind": "exporter", "otelcol.signal": "traces"}
Error: cannot start pipelines: failed to start "statsd" receiver: starting to listen unixgram socket: listen unixgram /var/run/otel/statsd.sock: bind: address already in use
2025/12/09 23:03:08 collector server run finished with error: cannot start pipelines: failed to start "statsd" receiver: starting to listen unixgram socket: listen unixgram /var/run/otel/statsd.sock: bind: address already in use