oc apply -f service-account.yaml
oc apply -f cluster-role-binding.yaml
oc apply -f osd-pod-killer-cronjob.yamlFollowing is a test logs which deleted pods if %USE exceeds 0.42%:
# oc logs osd-pod-killer-28475883-d9kfr
current usage:
ID CLASS WEIGHT REWEIGHT SIZE RAW USE DATA OMAP META AVAIL %USE VAR PGS STATUS
2 hdd 0.09769 1.00000 100 GiB 440 MiB 340 MiB 288 KiB 100 MiB 100 GiB 0.43 1.01 353 up
0 hdd 0.09769 1.00000 100 GiB 437 MiB 340 MiB 288 KiB 97 MiB 100 GiB 0.43 1.01 353 up
1 hdd 0.09769 1.00000 100 GiB 427 MiB 340 MiB 537 KiB 86 MiB 100 GiB 0.42 0.98 353 up
TOTAL 300 GiB 1.3 GiB 1019 MiB 1.1 MiB 282 MiB 299 GiB 0.42
MIN/MAX VAR: 0.98/1.01 STDDEV: 0.01
killing osd instance 2
pod "rook-ceph-osd-2-6b6cfc5df5-8ng4w" deleted
killing osd instance 0
pod "rook-ceph-osd-0-5d4fb9976b-vvxng" deleted
#oc get pod -w
osd-pod-killer-28475883-d9kfr 0/1 Pending 0 0s
osd-pod-killer-28475883-d9kfr 0/1 Pending 0 0s
osd-pod-killer-28475883-d9kfr 0/1 Pending 0 0s
osd-pod-killer-28475883-d9kfr 0/1 ContainerCreating 0 0s
osd-pod-killer-28475883-d9kfr 0/1 ContainerCreating 0 0s
osd-pod-killer-28475883-d9kfr 1/1 Running 0 2s
rook-ceph-osd-2-6b6cfc5df5-8ng4w 2/2 Terminating 0 60m
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Pending 0 0s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Pending 0 0s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Pending 0 0s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Init:0/4 0 0s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Init:0/4 0 1s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Init:1/4 0 2s
rook-ceph-osd-2-6b6cfc5df5-8ng4w 0/2 Terminating 0 60m
rook-ceph-osd-2-6b6cfc5df5-8ng4w 0/2 Terminating 0 60m
rook-ceph-osd-2-6b6cfc5df5-8ng4w 0/2 Terminating 0 60m
rook-ceph-osd-0-5d4fb9976b-vvxng 2/2 Terminating 0 55m
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Pending 0 0s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Pending 0 0s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:0/4 0 0s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:0/4 0 0s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:0/4 0 1s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Init:2/4 0 3s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Init:2/4 0 4s
rook-ceph-osd-0-5d4fb9976b-vvxng 0/2 Terminating 0 55m
rook-ceph-osd-0-5d4fb9976b-vvxng 0/2 Terminating 0 55m
rook-ceph-osd-0-5d4fb9976b-vvxng 0/2 Terminating 0 55m
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:1/4 0 2s
osd-pod-killer-28475883-d9kfr 0/1 Completed 0 7s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 Init:3/4 0 5s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:2/4 0 3s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 0/2 PodInitializing 0 6s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:2/4 0 4s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 1/2 Running 0 7s
osd-pod-killer-28475883-d9kfr 0/1 Completed 0 9s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 Init:3/4 0 5s
osd-pod-killer-28475883-d9kfr 0/1 Completed 0 10s
rook-ceph-osd-0-5d4fb9976b-krttn 0/2 PodInitializing 0 6s
rook-ceph-osd-0-5d4fb9976b-krttn 1/2 Running 0 7s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 1/2 Running 0 21s
rook-ceph-osd-2-6b6cfc5df5-gxw8d 2/2 Running 0 21s
rook-ceph-osd-0-5d4fb9976b-krttn 1/2 Running 0 21s
rook-ceph-osd-0-5d4fb9976b-krttn 2/2 Running 0 21s