opentelemetry-collector.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-conf
  labels:
    app: opentelemetry
    component: otel-collector-conf
data:
  otel-collector-config: |
    receivers:
      prometheus:
        config:
          scrape_configs:
            - job_name: 'istiod-monitor'
              kubernetes_sd_configs:
               - role: endpoints
              relabel_configs:
               - source_labels: [ __meta_kubernetes_service_name, __meta_kubernetes_endpoint_port_name ]
                 action: keep
                 regex: istiod;http-monitoring
               - action: labelmap
                 regex: __meta_kubernetes_service_label_(.+)
               - source_labels: [ ]
                 target_label: cluster
                 replacement: aks-demo-cluster
            - job_name: 'kubernetes-cadvisor'
              scheme: https
              tls_config:
                ca_file: /var/run/secrets/kubernetes.io/serviceaccount/ca.crt
              bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
              kubernetes_sd_configs:
                - role: node
              relabel_configs:
                - action: labelmap
                  regex: __meta_kubernetes_node_label_(.+)
                - source_labels: [ ]
                  target_label: cluster
                  replacement: aks-demo-cluster
                - target_label: __address__
                  replacement: kubernetes.default.svc:443
                - source_labels: [ __meta_kubernetes_node_name ]
                  regex: (.+)
                  target_label: __metrics_path__
                  replacement: /api/v1/nodes/$${1}/proxy/metrics/cadvisor
                - source_labels: [ instance ]
                  separator: ;
                  regex: (.+)
                  target_label: node
                  replacement: $$1
                  action: replace
            - job_name: 'kube-state-metrics'
              metrics_path: /metrics
              kubernetes_sd_configs:
                - role: endpoints
              relabel_configs:
                - source_labels: [ __meta_kubernetes_service_label_app_kubernetes_io_name ]
                  regex: kube-state-metrics
                  replacement: $$1
                  action: keep
                - action: labelmap
                  regex: __meta_kubernetes_service_label_(.+)
                - source_labels: [ ]
                  target_label: cluster
                  replacement: aks-demo-cluster
            - job_name: 'skywalking-so11y'
              metrics_path: '/metrics'
              kubernetes_sd_configs:
                - role: pod
              relabel_configs:
                - source_labels: [ __meta_kubernetes_pod_container_name, __meta_kubernetes_pod_container_port_name ]
                  action: keep
                  regex: oap;metrics # @feature: so11y; reference the name of the metrics port
                - source_labels: [ ]
                  target_label: service
                  replacement: oap-server
                - source_labels: [ __meta_kubernetes_pod_name ]
                  target_label: host_name
                  regex: (.+)
                  replacement: $$1
    exporters:
      otlp:
        endpoint: skywalking-skywalking-helm-oap.skywalking.svc.cluster.local:11800
        tls:
          insecure: true
      logging:
        verbosity: normal
    service:
      pipelines:
        metrics:
          receivers: [prometheus]
          exporters: [logging, otlp]
---
apiVersion: v1
kind: Service
metadata:
  name: otel-collector
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  selector:
    component: otel-collector
  ports:
  - name: prometheus # prometheus exporter
    port: 9090
    protocol: TCP
    targetPort: 9090
  - name: zipkin # Default endpoint for Zipkin receiver.
    port: 9411
    protocol: TCP
    targetPort: 9411
  - name: metrics # Metrics for opentelemetry-collector
    port: 8888
    protocol: TCP
    targetPort: 8888
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: otel-collector
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  replicas: 1
  selector:
    matchLabels:
      app: opentelemetry
      component: otel-collector
  minReadySeconds: 5
  template:
    metadata:
      labels:
        app: opentelemetry
        component: otel-collector
    spec:
      serviceAccountName: otel-collector
      containers:
      - command:
          - "/otelcol-contrib"
          - "--config=/conf/otel-collector-config.yaml"
        image: otel/opentelemetry-collector-contrib:0.83.0
        name: otel-collector
        resources:
          limits:
            cpu: 1
            memory: 2Gi
          requests:
            cpu: 200m
            memory: 400Mi
        ports:
        - containerPort: 9411  # Zipkin receiver.
        - containerPort: 9090  # prometheus exporter
        - containerPort: 8888  # collector metrics
        env:
          - name: MY_POD_IP
            valueFrom:
              fieldRef:
                apiVersion: v1
                fieldPath: status.podIP
        volumeMounts:
        - name: otel-collector-config-vol
          mountPath: /conf
        - mountPath: /var/log
          name: varlog
        - mountPath: /var/lib/docker/containers
          name: varlibdockercontainers
          readOnly: true
#        - name: otel-collector-secrets
#          mountPath: /secrets
      volumes:
        - configMap:
            name: otel-collector-conf
            items:
              - key: otel-collector-config
                path: otel-collector-config.yaml
          name: otel-collector-config-vol
        - name: varlog
          hostPath:
            path: /var/log
            type: ""
        - name: varlibdockercontainers
          hostPath:
            path: /var/lib/docker/containers
            type: ""
#        - secret:
#            name: otel-collector-secrets
#            items:
#              - key: cert.pem
#                path: cert.pem
#              - key: key.pem
#                path: key.pem
---