headlamp/kubernetes-headlamp-monitoring.yaml at main · Faakhir30/headlamp · GitHub

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---
apiVersion: v1
kind: Service
metadata:
  name: jaeger
  namespace: kube-system
spec:
  ports:
    - port: 16686
      name: ui
      targetPort: 16686
    - port: 4317
      name: otlp-grpc
      targetPort: 4317
    - port: 4318
      name: otlp-http
      targetPort: 4318
  selector:
    app: jaeger

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: jaeger
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app: jaeger
  template:
    metadata:
      labels:
        app: jaeger
    spec:
      containers:
        - name: jaeger
          image: jaegertracing/all-in-one:latest
          ports:
            - containerPort: 16686
              name: ui
            - containerPort: 4317
              name: otlp-grpc
            - containerPort: 4318
              name: otlp-http
          env:
            - name: COLLECTOR_OTLP_ENABLED
              value: "true"

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-config
  namespace: kube-system
data:
  otel-collector-config.yaml: |
    receivers:
      otlp:
        protocols:
          grpc:
            endpoint: ":4317"
          http:
            endpoint: ":4318"

    processors:
      batch:
        timeout: 10s

    exporters:
      jaeger:
        endpoint: "jaeger:14250"
        tls:
          insecure: true
      prometheus:
        endpoint: "0.0.0.0:8889"

    service:
      pipelines:
        traces:
          receivers: [otlp]
          processors: [batch]
          exporters: [jaeger]
        metrics:
          receivers: [otlp]
          processors: [batch]
          exporters: [prometheus]

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: otel-collector
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app: otel-collector
  template:
    metadata:
      labels:
        app: otel-collector
    spec:
      containers:
        - name: otel-collector
          image: otel/opentelemetry-collector:latest
          ports:
            - containerPort: 4317 # OTLP gRPC
            - containerPort: 4318 # OTLP HTTP
            - containerPort: 8889 # Prometheus exporter
          volumeMounts:
            - name: otel-collector-config
              mountPath: /etc/otel-collector/config.yaml
              subPath: otel-collector-config.yaml
      volumes:
        - name: otel-collector-config
          configMap:
            name: otel-collector-config

---
apiVersion: v1
kind: Service
metadata:
  name: otel-collector
  namespace: kube-system
spec:
  ports:
    - port: 4317
      name: otlp-grpc
      targetPort: 4317
    - port: 4318
      name: otlp-http
      targetPort: 4318
    - port: 8889
      name: metrics
      targetPort: 8889
  selector:
    app: otel-collector

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: prometheus-config
  namespace: kube-system
data:
  prometheus.yml: |
    scrape_configs:
      - job_name: 'headlamp'
        static_configs:
          - targets: ['headlamp.kube-system.svc.cluster.local:4466']  # Changed to correct service endpoint
        metrics_path: '/metrics'  # Added explicit metrics path
      - job_name: 'otel-collector'
        static_configs:
          - targets: ['otel-collector:8889']

---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: prometheus
  namespace: kube-system
spec:
  selector:
    matchLabels:
      app: prometheus
  template:
    metadata:
      labels:
        app: prometheus
    spec:
      containers:
        - name: prometheus
          image: prom/prometheus:latest
          ports:
            - containerPort: 9090
          volumeMounts:
            - name: config
              mountPath: /etc/prometheus/prometheus.yml
              subPath: prometheus.yml
      volumes:
        - name: config
          configMap:
            name: prometheus-config

---
apiVersion: v1
kind: Service
metadata:
  name: prometheus
  namespace: kube-system
spec:
  ports:
    - port: 9090
      targetPort: 9090
  selector:
    app: prometheus