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Generating Annotations using Event Logger

Promtimer is able to automatically generate Grafana annotations representing important events in the cbcollect. Currently this is done using the output of the Event Logger, which is part of cbmultimanager.

To generate the necessary file for Promtimer to use:

  • Clone the cbmultimanager repository
  • Create a build directory in the repo if one doesn't exist and build the Event Logger using the following command:
go build -o ./build ./cmd/cbeventlog
  • Once Event Logger is built, generate the relevant events.log file using the following command, pointing to your cbcollect:
./build/cbeventlog cbcollect --path "YOUR/PATH/TO/CBCOLLECT.zip" --node-name cbcollect
  • A file with the cluster's events should now be generated in the repo directory. Place this file in the same directory as the cbcollect you're analyzing and importantly make sure it is named events.log as this is currently the filename that Promtimer looks for in order to generate annotations
  • Enjoy auto-generated annotations! If they need to be rebuilt, delete the .promtimer directory next to the cbcollect to start Promtimer cleanly