Set up traces collection for Kubernetes environments

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-agent-conf
  labels:
    app: opentelemetry
    component: otel-agent-conf
data:
  otel-agent-config: |
    receivers:
      zipkin:
        endpoint: 0.0.0.0:9411
      otlp: 
        protocols:
          grpc:
            endpoint: 0.0.0.0:55680
          http:
            endpoint: 0.0.0.0:55681
      jaeger:
        protocols:
          grpc:
            endpoint: 0.0.0.0:14250
          thrift_compact:
            endpoint: 0.0.0.0:6831
          thrift_http:
            endpoint: 0.0.0.0:14268
    exporters:
      logging:
        loglevel: debug
      otlp:
        endpoint: "collection-sumologic-otelcol.sumologic:55680"
        insecure: true
    processors:
      batch:
      memory_limiter:
        # Same as --mem-ballast-size-mib CLI argument
        ballast_size_mib: 165
        # 80% of maximum memory up to 2G
        limit_mib: 400
        # 25% of limit up to 2G
        spike_limit_mib: 100
        check_interval: 5s
      queued_retry:
        num_workers: 4
        queue_size: 100
        retry_on_failure: true
      k8s_tagger:
        passthrough: true
    extensions:
      health_check: {}
      zpages: {}
    service:
      extensions: [health_check, zpages]
      pipelines:
        traces:
          receivers: [otlp, jaeger, zipkin]
          processors: [memory_limiter, k8s_tagger, batch, queued_retry]
          exporters: [otlp] 
          # Alternatively, to debug, replace the above with this:
          # exporters: [otlp, logging] 
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: otel-agent
  labels:
    app: opentelemetry
    component: otel-agent
spec:
  selector:
    matchLabels:
      app: opentelemetry
      component: otel-agent
  template:
    metadata:
      labels:
        app: opentelemetry
        component: otel-agent
    spec:
      containers:
      - command:
          - "/otelcontribcol"
          - "--config=/conf/otel-agent-config.yaml"
          # Memory Ballast size should be max 1/3 to 1/2 of memory.
          - "--mem-ballast-size-mib=165"
        image: sumologic/opentelemetry-collector:0.12.0
        name: otel-agent
        resources:
          limits:
            cpu: 500m
            memory: 500Mi
          requests:
            cpu: 100m
            memory: 100Mi
        ports:
        - containerPort: 6831 # Jaeger Thrift Compact
          protocol: UDP
        - containerPort: 8888 # Metrics
        - containerPort: 9411 # Default endpoint for Zipkin receiver.
        - containerPort: 14250 # Default endpoint for Jaeger gRPC receiver.
        - containerPort: 14268 # Default endpoint for Jaeger HTTP receiver.
        - containerPort: 55679 # ZPages endpoint.
        - containerPort: 55680 # Default OpenTelemetry gRPC receiver port.
        - containerPort: 55681 # Default OpenTelemetry HTTP receiver port.
        volumeMounts:
        - name: otel-agent-config-vol
          mountPath: /conf
        livenessProbe:
          httpGet:
            path: /
            port: 13133 # Health Check extension default port.
        readinessProbe:
          httpGet:
            path: /
            port: 13133 # Health Check extension default port.
      volumes:
        - configMap:
            name: otel-agent-conf
            items:
              - key: otel-agent-config
                path: otel-agent-config.yaml
          name: otel-agent-config-vol
---          
kind: Service
apiVersion: v1
metadata:
  name: otel-agent
spec:
  selector:
    app: opentelemetry
    component: otel-agent
  ports:
  - name: jaeger-thrift-compact
    port: 6831
    protocol: UDP
  - name: metrics # Default endpoint for querying metrics.
    port: 8888
  - name: zipkin # Default endpoint for Zipkin receiver.
    port: 9411
  - name: jaeger-grpc  # Default endpoint for Jaeger gRPC
    port: 14250
  - name: jaeger-thrift-http # Default endpoint for Jaeger HTTP receiver.
    port: 14268
  - name: zpages # Default endpoint for zpages
    port: 55679
  - name: otlp-grpc # Default endpoint for OTLP gRPC receiver.
    port: 55680
  - name: otlp-http # Default endpoint for OTLP HTTP receiver.
    port: 55681