Cherry pick of #2350 #2355 #2357 #2344 #2358 #2360 into release-0.17 branch #1389

Job	Run time
Publish Image (file-metrics-collector, cmd/metricscollector/v1beta1/file-metricscollector/Dockerf... / Publish Image	7m 30s
Publish Image (katib-controller, cmd/katib-controller/v1beta1/Dockerfile) / Publish Image	14m 29s
Publish Image (katib-db-manager, cmd/db-manager/v1beta1/Dockerfile) / Publish Image	6m 55s
Publish Image (katib-ui, cmd/ui/v1beta1/Dockerfile) / Publish Image	11m 0s
Publish Image (tfevent-metrics-collector, cmd/metricscollector/v1beta1/tfevent-metricscollector/D... / Publish Image	7m 5s
	46m 59s

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