Add RPO to Pods Events

[prsurve]

fixes: #102

[openshift-ci]

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[prsurve]

/hold

[prsurve]

Verified

Events:
  Type    Reason          Age   From               Message
  ----    ------          ----  ----               -------
  Normal  Scheduled       12m   default-scheduler  Successfully assigned imp-test-rpo-1/busybox-6-788b446fc9-9k7xt to compute-1-ru7.rackm14.mydomain.com
  Normal  AddedInterface  12m   multus             Add eth0 [10.129.3.240/23] from ovn-kubernetes
  Normal  Pulling         12m   kubelet            Pulling image "quay.io/ocsci/rdr-ocs-workload"
  Normal  Pulled          12m   kubelet            Successfully pulled image "quay.io/ocsci/rdr-ocs-workload" in 960ms (960ms including waiting). Image size: 77460204 bytes.
  Normal  Created         12m   kubelet            Created container: init-integrity-check
  Normal  Started         12m   kubelet            Started container init-integrity-check
  Normal  Pulled          12m   kubelet            Container image "quay.io/ocsci/busybox:latest" already present on machine
  Normal  Created         12m   kubelet            Created container: busybox
  Normal  Started         12m   kubelet            Started container busybox
  Normal  Workload RPO    12m   pod-rpo-script     Pod name changed from busybox-6-788b446fc9-tm56j to busybox-6-788b446fc9-9k7xt. Time diff: 6s. 

[prsurve]

$oc get events |grep "Workload RPO"
13m         Normal    Workload RPO             pod/busybox-1-7d5d86756f-8q2zw     Pod name changed from busybox-1-7d5d86756f-625rp to busybox-1-7d5d86756f-8q2zw. Time diff: 334s.
13m         Normal    Workload RPO             pod/busybox-6-788b446fc9-bcm6k     Pod name changed from busybox-6-788b446fc9-d82hh to busybox-6-788b446fc9-bcm6k. Time diff: 343s.
13m         Normal    Workload RPO             pod/busybox-8-6d5fb76f87-lmw8j     Pod name changed from busybox-8-6d5fb76f87-fdfw7 to busybox-8-6d5fb76f87-lmw8j. Time diff: 334s.
13m         Normal    Workload RPO             pod/busybox-5-68c44ccdd7-ztmn9     Pod name changed from busybox-5-68c44ccdd7-7jpdg to busybox-5-68c44ccdd7-ztmn9. Time diff: 338s.
13m         Normal    Workload RPO             pod/busybox-2-8469757587-hwfj7     Pod name changed from busybox-2-8469757587-c2dp8 to busybox-2-8469757587-hwfj7. Time diff: 342s.
13m         Normal    Workload RPO             pod/busybox-9-84458c4d55-pgkh2     Pod name changed from busybox-9-84458c4d55-fxmrx to busybox-9-84458c4d55-pgkh2. Time diff: 337s.
13m         Normal    Workload RPO             pod/busybox-4-d447795f5-t7bxt      Pod name changed from busybox-4-d447795f5-xmjj7 to busybox-4-d447795f5-t7bxt. Time diff: 338s.
13m         Normal    Workload RPO             pod/busybox-10-6bc89bcdbc-qhxgb    Pod name changed from busybox-10-6bc89bcdbc-2hqd6 to busybox-10-6bc89bcdbc-qhxgb. Time diff: 343s.
13m         Normal    Workload RPO             pod/busybox-7-97d57c455-b9x9t      Pod name changed from busybox-7-97d57c455-vhqzr to busybox-7-97d57c455-b9x9t. Time diff: 338s.
12m         Normal    Workload RPO             pod/busybox-3-84886b698c-klhft     Pod name changed from busybox-3-84886b698c-x4wnx to busybox-3-84886b698c-klhft. Time diff: 102s.

[openshift-merge-robot]

PR needs rebase.

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