Integrating DataDog with Java APM/Tracer

datadog-java-apm-tracer.md

Requirements

• DataDog Cluster agent installed.
• Admission Controller enabled.
• Admission Controller working in service mode.

Modify your deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: ...
  namespace: ...
  labels:
    ...
    admission.datadoghq.com/config.mode: "service"
    admission.datadoghq.com/enabled: "true"
    tags.datadoghq.com/env: "dev"
    tags.datadoghq.com/service: "application-name"
    tags.datadoghq.com/version: "latest"
spec:
  selector:
    matchLabels:
      ...
  template:
    metadata:
      annotations:
        ...
        admission.datadoghq.com/java-lib.custom-image: ".../dd-lib-java-init:latest"
      labels:
        ...
        admission.datadoghq.com/config.mode: "service"
        admission.datadoghq.com/enabled: "true"
        tags.datadoghq.com/env: "npe"
        tags.datadoghq.com/service: "application-name"
        tags.datadoghq.com/version: "latest"
    spec:
      ...

Verifying

• Make sure that your pod has a init container named datadog-tracer-init.
• Make sure your application consumes the environment variable JAVA_TOOL_OPTIONS and that it is present in the pod.