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How to use the Extensions WorkBench

Workbench is an inbuilt feature provided with each extension in order to assist you to fine tune the extension setup before you actually deploy it on the controller. Currently, the AppDynamics Platform does not allow a user to delete a metric once it has been registered. As soon as you deploy an extension directly after downloading, it will have several default settings and you’d like to make a minor change, say in the metricPrefix of the extension after you deployed it with the default configuration, the platform would not allow you to delete the metrics with the default metricPrefix and you will have to keep the old metrics as well.

 

This is a very useful feature that comes in handy and should be used during the process of deploying each extension as it would give you a better idea of what metrics are going to be recorded, and in case you see that you are missing some metrics, this tool will give you an opportunity to add those metrics as well. Workbench functionality is inbuilt with each extension JAR file. In order to use this feature, please follow these steps.

 

 

  1. Download the extension ZIP file from https://www.appdynamics.com/community/exchange/ and place it in the monitors folder.
  2. Extract the zip file.

    • wb1.png

  3. In the terminal, navigate to the extension folder.

    • wb2.png
  4. Verify that you have the main extension JAR file.
    • wb3.png
  5. Navigate to the extension folder that contains the jar file and execute the following command to start Workbench mode: java -jar cassandra-monitoring-extension.jar
    • Note: Workbench by default uses port 9090. If you would like to change that to another port,  use the following structure to build your command: java -jar <extension-jar> <host> <port>

  6. If you see the following output in the terminal, this means that it worked correctly and you have officially started Workbench Mode.

    • wb4.png
  7. Now, open your browser and navigate to http://localhost:9090/
    • This starts the HTTP server that allows you to access the Workbench Mode.
    • wb5.png
  8. Verify that all the desired metrics are present.
    • Remove any unwanted metrics from the config.yml file to reduce noise.
  9. As you explore the map of metrics, you can see if you are getting a valid output on the graph on right. The metrics that are listed in the config.yml are the ones that are shown on the Workbench.

    • wb6.png

  10. Once you are satisfied with the metrics and their values that are received, stop the current process and start the Machine Agent to view the metrics being reported on the metric browser.

 

 

Published on 01-24-2018

Version history
Revision #:
5 of 5
Last update:
‎06-28-2018 11:17 AM
Updated by:
 
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ASHOKREDDY.BANA

where is the zip file? I really want to use this extension.

Bhuvnesh.Kumar

You can find all our extensions at https://www.appdynamics.com/community/exchange/

You can download the extension you would like and then configure it accordingly.

Thanks,

Bhuvnesh