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Abhi.Bajaj
AppDynamics Team

Having the flexibility to use different AccessKey for different applications you auto-instrument with Cluster Agent is essential.

This flexibility was introduced with the latest versions of the Cluster agent.

Follow these steps:

  1. Un-instrument your application.
  2. Create a new secret with the accessKey with the below command:
    kubectl -n appdynamics create secret generic <secret-name> --from-literal=<custom-Controller-key-name>=<key-value>​
  3. In this command <key-value> will be your AccessKey. For example:
    kubectl -n appdynamics create secret generic abhi-java-apps --from-literal=controller-key=xxxxx-fb91-4dfc-895a-xxxxx​
  4. I modified my yaml and in the specific instrumentationRule section I added:
    - namespaceRegex: abhi-java-apps
          language: java
          matchString: tomcat-app-abhi-non-root
          appNameLabel: app
          runAsUser: 1001
          runAsGroup: 1001
          customSecretName: abhi-java-apps
          customSecretKey: controller-key
          imageInfo:
            image: "docker.io/appdynamics/java-agent:latest"
            agentMountPath: /opt/appdynamics
            imagePullPolicy: Always​
  5. customSecretName is the secret name and customSecretKey is the Key for that secret. After this, I re-instrumented my application, and in the Cluster agent logs I confirmed
    [INFO]: 2024-08-19 14:45:09 - deploymenthandler.go:262 - custom secretName is %s  and is %s %!(EXTRA string=abhi-java-apps, string=controller-key)​
  6. Also, when I exec inside the application pod and grepped for env | grep -i Access, i confirmed that this AccessKey is used:
    wso2carb@tomcat-app-abhi-non-root-5d558dddf4-rllzc:/usr/local/tomcat/webapps$ env | grep -i Access
    APPDYNAMICS_AGENT_ACCOUNT_ACCESS_KEY=xxxxx-fb91-4dfc-895a-xxxxx
    JAVA_TOOL_OPTIONS=-Xmx512m -Dappdynamics.agent.accountAccessKey=xxxxx-fb91-4dfc-895a-xxxxx -Dappdynamics.agent.reuse.nodeName=true -Dappdynamics.socket.collection.bci.enable=true -javaagent:/opt/appdynamics-java/javaagent.jar​

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Last update:
‎08-19-2024 10:37 AM
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