apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-conf
  labels:
    app: opentelemetry
    component: otel-collector-conf
data:
  otel-collector-config: |
    receivers:
      otlp: {}
    processors:
      queued_retry:
        num_workers: 16
        queue_size: 10000
        retry_on_failure: true
      batch:
        send_batch_size: 1024
        timeout: 5s
    extensions:
      health_check: {}
    exporters:
      jaeger:
        endpoint: "simplest-collector.default.svc.cluster.local:14250" # Replace with a real endpoint.
    service:
      extensions: [health_check]
      pipelines:
        traces/2:
          receivers: [otlp]
          processors: []
          exporters: [jaeger]
---
apiVersion: v1
kind: Service
metadata:
  name: otel-collector
  labels:
    app: opencensus
    component: otel-collector
spec:
  ports:
  - name: otlp # Default endpoint for Opencensus receiver.
    port: 55680
    protocol: TCP
    targetPort: 55680
  - name: metrics # Default endpoint for querying metrics.
    port: 8888
  selector:
    component: otel-collector
  type:
    NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: otel-collector
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  selector:
    matchLabels:
      app: opentelemetry
      component: otel-collector
  minReadySeconds: 5
  progressDeadlineSeconds: 120
  replicas: 1 #TODO - adjust this to your own requirements
  template:
    metadata:
      annotations:
        prometheus.io/path: "/metrics"
        prometheus.io/port: "8888"
        prometheus.io/scrape: "true"
      labels:
        app: opentelemetry
        component: otel-collector
    spec:
      containers:
      - command:
          - "/otelcol"
          - "--config=/conf/otel-collector-config.yaml"
#           Memory Ballast size should be max 1/3 to 1/2 of memory.
          - "--mem-ballast-size-mib=683"
        env:
        - name: GOGC
          value: "80"
        image: otel/opentelemetry-collector-dev:latest
        name: otel-collector
        resources:
          limits:
            cpu: 1
            memory: 2Gi
          requests:
            cpu: 200m
            memory: 400Mi
        ports:
        - containerPort: 55680 # Default endpoint for otlp receiver.
        - containerPort: 8888  # Default endpoint for querying metrics.
        volumeMounts:
        - name: otel-collector-config-vol
          mountPath: /conf
#        - name: otel-collector-secrets
#          mountPath: /secrets
        livenessProbe:
          httpGet:
            path: /
            port: 13133 # Health Check extension default port.
        readinessProbe:
          httpGet:
            path: /
            port: 13133 # Health Check extension default port.
      volumes:
        - configMap:
            name: otel-collector-conf
            items:
              - key: otel-collector-config
                path: otel-collector-config.yaml
          name: otel-collector-config-vol
#        - secret:
#            name: otel-collector-secrets
#            items:
#              - key: cert.pem
#                path: cert.pem
#              - key: key.pem
#                path: key.pem