apiVersion: opentelemetry.io/v1beta1
kind: OpenTelemetryCollector
metadata:
  name: otel-gateway
  namespace: monitoring
spec:
  mode: deployment
  image: otel/opentelemetry-collector-contrib:0.144.0
  replicas: 1
  serviceAccount: otel-collector-sa
  env:
    - name: K8S_NODE_NAME
      valueFrom:
        fieldRef:
          fieldPath: spec.nodeName
  config:
    receivers:
      otlp:
        protocols:
          grpc:
            endpoint: 0.0.0.0:4317
          http:
            endpoint: 0.0.0.0:4318
      k8s_cluster:
        collection_interval: 30s
      k8s_events: {}

    processors:
      batch:
        send_batch_size: 1000
        timeout: 10s
      resourcedetection:
        detectors: [env, system, k8snode]

    exporters:
      debug:
        verbosity: detailed
      
      otlp_http/prometheus:
        endpoint: "http://10.0.0.38:9090/api/v1/otlp"
      
      elasticsearch:
        endpoints: ["http://10.0.0.38:9200"]
        logs_index: "k8s-test-cluster-events"
        user: "elastic"
        password: "-0NiIBOJGn2CATuPWzNc"

    service:
      pipelines:
        metrics:
          receivers: [otlp, k8s_cluster]
          processors: [resourcedetection, batch]
          exporters: [otlp_http/prometheus]
        logs:
          receivers: [k8s_events]
          processors: [batch]
          exporters: [elasticsearch, debug]