k8s agent operator を利用してアプリケーション側に手を入れずに APM を導入する

helm repo add jetstack https://charts.jetstack.io
helm install cert-manager jetstack/cert-manager \
    --namespace cert-manager \
    --create-namespace \
    --set crds.enabled=true

helm repo add newrelic https://helm-charts.newrelic.com

helm upgrade --install newrelic-bundle newrelic/nri-bundle \
    --set global.licenseKey=<NEW RELIC INGEST LICENSE KEY> \
    --set global.cluster=<CLUSTER_NAME> \
    --namespace=newrelic \
    --set newrelic-infrastructure.privileged=true \
    --set global.lowDataMode=true \
    --set kube-state-metrics.enabled=true \
    --set kubeEvents.enabled=true \
    --set k8s-agents-operator.enabled=true \
    --create-namespace

kubectl create secret generic newrelic-key-secret \
        --namespace <NAMESPACE_TO_MONITOR> \
        --from-literal=new_relic_license_key=<YOUR_NEW_RELIC_INGEST_LICENSE_KEY>

apiVersion: newrelic.com/v1alpha1
kind: Instrumentation
metadata:
    labels:
        app.kubernetes.io/name: instrumentation
        app.kubernetes.io/created-by: k8s-agents-operator
    name: newrelic-instrumentation
spec:
    java:
        image: newrelic/newrelic-java-init:latest
        # env:
        # Example New Relic agent supported environment variables
        # - name: NEW_RELIC_LABELS
        #   value: "environment:auto-injection"
        # Example overriding the appName configuration
        # - name: NEW_RELIC_POD_NAME
        #   valueFrom:
        #     fieldRef:
        #       fieldPath: metadata.name
        # - name: NEW_RELIC_APP_NAME
        #   value: "$(NEW_RELIC_LABELS)-$(NEW_RELIC_POD_NAME)"
    nodejs:
        image: newrelic/newrelic-node-init:latest
    python:
        image: newrelic/newrelic-python-init:latest
    dotnet:
        image: newrelic/newrelic-dotnet-init:latest
    ruby:
        image: newrelic/newrelic-ruby-init:latest

instrumentation.newrelic.com/inject-java: "true"
instrumentation.newrelic.com/inject-nodejs: "true"
instrumentation.newrelic.com/inject-python: "true"
instrumentation.newrelic.com/inject-dotnet: "true"
instrumentation.newrelic.com/inject-ruby: "true"

apiVersion: apps/v1
    kind: Deployment
    metadata:
        name: spring-petclinic
    spec:
      selector:
        matchLabels:
          app: spring-petclinic
      replicas: 1
      template:
        metadata:
          labels:
            app: spring-petclinic
          annotations:
            instrumentation.newrelic.com/inject-java: "true"
        spec:
          containers:
            - name: spring-petclinic
              image: ghcr.io/pavolloffay/spring-petclinic:latest
              ports:
                - containerPort: 8080
              env:
              # New Relic で表示させる APM 名として必要
　　　　  - name: NEW_RELIC_APP_NAME
                   value: spring-petclinic-demo