app-k8s.yaml

# app-k8s.yaml
# 23.1.21
# Riverbed-Community-Toolkit (https://github.com/riverbed/Riverbed-Community-Toolkit)
#
# Java web-application deployment with APM instrumentation
#
# Configuration:
#
#   - Replace {{java-app image}} with the actual value

---
apiVersion: v1
kind: Namespace
metadata:
  name: cookbook-app
---
apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: cookbook-app
  name: app
  labels:
    app.kubernetes.io/name: app
    app.kubernetes.io/part-of: cookbook-238
spec:
  replicas: 5
  selector:
    matchLabels:
      app.kubernetes.io/name: app
  template:
    metadata:
      labels:
        app.kubernetes.io/name: app
    spec:
      # APM - note 1 - Add an init container that will check the APM Daemonset POD agent is ready to instrument the app
      initContainers:
      - name: check-apm-agent-readiness
        image: busybox
        volumeMounts:
        - name: alluvio-aternity-apm-panorama
          mountPath: /opt/Panorama
        env:
        - name: APM_AGENT_DSAPORT
          value: "2111"
        - name: APM_AGENT_DSAHOST
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: status.hostIP
        command: ["/bin/sh","-c","--"]
        args:
        - nc -vz -w 5 $APM_AGENT_DSAHOST $APM_AGENT_DSAPORT
      containers:
      - name: app
        # TODO: Replace {{java-app image}} with the actual value
        image: {{java-app image}}
        resources:
          limits:
            cpu: 500m
            memory: 512Mi
          requests:
            cpu: 200m
            memory: 256Mi
        ports:
          - containerPort: 8080
        env:
        # APM - note 2 - Customize the instance name as it will appear in the APM webconsole
        - name: RVBD_APP_INSTANCE
          value: cookbook-238
        # APM - note 3 - Add APM instrumentation to the JVM via JAVA_TOOL_OPTIONS
        - name: JAVA_TOOL_OPTIONS
          value: "-agentpath:/opt/Panorama/hedzup/mn/lib/librpilj64.so -Dcom.sun.management.jmxremote.ssl=false -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.port=0"
        #  APM - note 4 - Add APM mandatory environment variable (RVBD_DSAHOST is required by the Java instrumentation on the app side to be able to connect to the APM agent)
        - name: RVBD_DSAHOST
          valueFrom:
            fieldRef:
              apiVersion: v1
              fieldPath: status.hostIP
        # APM - note 5 - Import the other APM standard environment variables defined in a configMap
        envFrom:
          - configMapRef:
              name: apm-env
        volumeMounts:
        # APM - note 6 - Mount the folder to access the files of the agent
        - name: alluvio-aternity-apm-panorama
          mountPath: /opt/Panorama
      volumes:
        # APM - note 7 - Define the volume that must contain the files of the agent
        - name: alluvio-aternity-apm-panorama
          hostPath:
            path: /var/lib/toolbox/alluvio-aternity-apm/Panorama
            type: Directory
        - name: userdata-config
          configMap:
            name: aternity-agent-userdata-config
---
# APM - note 8 - Define APM standard environment variables
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: cookbook-app
  name: apm-env
data:
  ### COMMON
  logging.level.root: "INFO"
  PANORAMA_LOG_PURGE_HOURS: 1h
  RVBD_AGENT_FILES: "1"
  RVBD_AGENT_PORT: "7073"
  AIX_INSTRUMENT_ALL: "1"
  container_metrics: "true"  
  ### DOTNET
  CORECLR_ENABLE_PROFILING: "1"
  CORECLR_PROFILER: "{CEBBDDAB-C0A5-4006-9C04-2C3B75DF2F80}"
  CORECLR_PROFILER_PATH: "/opt/Panorama/hedzup/mn/lib/libAwDotNetProf64.so"
  DOTNET_SHARED_STORE: "/opt/Panorama/hedzup/mn/install/dotnet/store/"
  DOTNET_ADDITIONAL_DEPS: "/opt/Panorama/hedzup/mn/install/dotnet/additionalDeps/Riverbed.AppInternals.DotNetCore/"
---
kind: Service
apiVersion: v1
metadata:
  namespace: cookbook-app
  name: cookbook-app
spec:
  selector:
    app.kubernetes.io/name: app
  ports:
  - protocol: TCP
    port: 80
    targetPort: 8080
  type: LoadBalancer