# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: v1
kind: ConfigMap
metadata:
  name: otel-collector-conf
  namespace: observability
  labels:
    app: opentelemetry
    component: otel-collector-conf
data:
  otel-collector-config: |
    receivers:
      # Make sure to add the otlp receiver.
      # This will open up the receiver on port 4317
      otlp:
        protocols:
          grpc:
            endpoint: "0.0.0.0:4317"
    processors:
    extensions:
      health_check: {}
    exporters:
      jaeger:
        endpoint: "jaeger-collector.observability.svc.cluster.local:14250"
        insecure: true
      prometheus:
        endpoint: 0.0.0.0:8889
        namespace: "testapp"
      logging:

    service:
      extensions: [health_check]
      pipelines:
        traces:
          receivers: [otlp]
          processors: []
          exporters: [jaeger]

        metrics:
          receivers: [otlp]
          processors: []
          exporters: [prometheus, logging]
---
apiVersion: v1
kind: Service
metadata:
  name: otel-collector
  namespace: observability
  labels:
    app: opentelemetry
    component: otel-collector
spec:
  ports:
    - name: otlp # Default endpoint for otlp receiver.
      port: 4317
      protocol: TCP
      targetPort: 4317
      nodePort: 30080
    - name: metrics # Default endpoint for metrics.
      port: 8889
      protocol: TCP
      targetPort: 8889
  selector:
    component: otel-collector
  type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: otel-collector
  namespace: observability
  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: "8889"
        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:0.6.0
          name: otel-collector
          resources:
            limits:
              cpu: 1
              memory: 2Gi
            requests:
              cpu: 200m
              memory: 400Mi
          ports:
            - containerPort: 4317 # Default endpoint for otlp receiver.
            - containerPort: 8889 # 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