Add prometheus query to driver's run container. #289
Merged
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This commit asks the driver to run Prometheus query to obtain
cpu and memory data when running a PSM test. Currently a PSM test
is observed when SERVER_TARGET_OVERRIDE environment variable is
not empty.
In the future, running the query script would depend on if there are
Prometheus service running.
This PR has to be merged after grpc/grpc#29057
and grpc/grpc#29197.