kubecon26EU-sampling/tail-sampling/apps.yaml at main · dash0hq/kubecon26EU-sampling · GitHub

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apiVersion: apps/v1
kind: Deployment
metadata:
  name: go-backend
  namespace: default
  labels:
    app: go-backend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: go-backend
  template:
    metadata:
      labels:
        app: go-backend
    spec:
      containers:
        - name: go-backend
          image: go-backend:latest
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 8080
              protocol: TCP
          env:
            - name: OTEL_SERVICE_NAME
              value: go-backend
            - name: OTEL_TRACES_EXPORTER
              value: otlp
            - name: OTEL_EXPORTER_OTLP_ENDPOINT
              value: http://otel-collector-agent.otel.svc.cluster.local:4317
          livenessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 5
            periodSeconds: 10
          readinessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 3
            periodSeconds: 5
          resources:
            requests:
              cpu: 50m
              memory: 64Mi
            limits:
              memory: 128Mi
---
apiVersion: v1
kind: Service
metadata:
  name: go-backend
  namespace: default
spec:
  selector:
    app: go-backend
  ports:
    - name: http
      port: 8080
      targetPort: http
      protocol: TCP
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: node-frontend
  namespace: default
  labels:
    app: node-frontend
spec:
  replicas: 1
  selector:
    matchLabels:
      app: node-frontend
  template:
    metadata:
      labels:
        app: node-frontend
    spec:
      containers:
        - name: node-frontend
          image: node-frontend:latest
          imagePullPolicy: IfNotPresent
          ports:
            - name: http
              containerPort: 3000
              protocol: TCP
          env:
            - name: BACKEND_URL
              value: http://go-backend:8080
            - name: NODE_OPTIONS
              value: --require @opentelemetry/auto-instrumentations-node/register
            - name: OTEL_SERVICE_NAME
              value: node-frontend
            - name: OTEL_TRACES_EXPORTER
              value: otlp
            - name: OTEL_METRICS_EXPORTER
              value: otlp
            - name: OTEL_LOGS_EXPORTER
              value: otlp
            - name: OTEL_EXPORTER_OTLP_PROTOCOL
              value: grpc
            - name: OTEL_EXPORTER_OTLP_ENDPOINT
              value: http://otel-collector-agent.otel.svc.cluster.local:4317
          livenessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 5
            periodSeconds: 10
          readinessProbe:
            httpGet:
              path: /health
              port: http
            initialDelaySeconds: 3
            periodSeconds: 5
          resources:
            requests:
              cpu: 50m
              memory: 128Mi
            limits:
              memory: 256Mi
---
apiVersion: v1
kind: Service
metadata:
  name: node-frontend
  namespace: default
spec:
  selector:
    app: node-frontend
  ports:
    - name: http
      port: 3000
      targetPort: http
      protocol: TCP
---
# Continuously sends one request per second to node-frontend to generate trace traffic.
apiVersion: apps/v1
kind: Deployment
metadata:
  name: load-generator
  namespace: default
  labels:
    app: load-generator
spec:
  replicas: 1
  selector:
    matchLabels:
      app: load-generator
  template:
    metadata:
      labels:
        app: load-generator
    spec:
      containers:
        - name: load-generator
          image: curlimages/curl:8.6.0
          command:
            - /bin/sh
            - -c
            - |
              while true; do
                curl -sf http://node-frontend:3000/roll -o /dev/null
                sleep 1
              done
          resources:
            requests:
              cpu: 10m
              memory: 16Mi
            limits:
              memory: 32Mi