finalizers:
### Pod 의 삭제 순서를 제어하는 finalizers 를 활성화함 (Default : true)
- delete-pxc-pods-in-order
### Percona XtraDB Cluster 삭제 이벤트 후에 Percona XtraDB Cluster Pod 에 대한 PVC 를 삭제하는 Finalizers 를 활성화함 (Default : false)
- delete-proxysql-pvc
- delete-pxc-pvc
### Percona XtraDB Cluster 삭제 이벤트 후에 ProxySQL Pod 에 대한 PVC 를 삭제하는 Finalizers 를 활성화함 (Default : false)
- delete-pxc-pvc
allowUnsafeConfigurations: false
### 여러가지 안전하지않은 구성을 하려는 경우 해당 옵션값을 true 로 설정 (Default : false)
### Cluster 가 3보다 작거나, 5보다 크거나, 혹은 짝수갯수
### 인스턴스가 2개 미만인 ProxySQL 혹은 Haproxy Pod
### TLS 처리를 하지않는 Cluster 를 구성 등등
$ kubectl edit perconaxtradbclusters.pxc.percona.com
size : 3 -> 2
$ kubectl get pod
NAME READY STATUS RESTARTS AGE
my-db-pxc-db-haproxy-0 2/2 Running 0 30m
my-db-pxc-db-haproxy-1 2/2 Running 0 29m
my-db-pxc-db-haproxy-2 2/2 Running 0 28m
my-db-pxc-db-pxc-0 3/3 Running 0 30m
my-db-pxc-db-pxc-1 3/3 Running 0 29m
my-db-pxc-db-pxc-2 3/3 Running 0 28m
my-op-pxc-operator-7578776fd6-ttms8 1/1 Running 0 12d
testpod1 1/1 Running 0 12d
testpod2 1/1 Running 0 12d
testpod3 1/1 Running 0 12d
xb-cron-my-db-pxc-db-fs-pvc-2022611000-372f8-m7v75 0/1 Completed 0 4d7h
xb-cron-my-db-pxc-db-fs-pvc-2022612000-372f8-ws9x9 0/1 Completed 0 3d7h
xb-cron-my-db-pxc-db-fs-pvc-2022613000-372f8-tdtcm 0/1 Completed 0 2d7h
xb-cron-my-db-pxc-db-fs-pvc-2022614000-372f8-nld5t 0/1 Completed 0 31h
xb-cron-my-db-pxc-db-fs-pvc-2022615000-372f8-5d7gp 0/1 Completed 0 7h29m
$ kubectl get pxc
NAME ENDPOINT STATUS PXC PROXYSQL HAPROXY AGE
my-db-pxc-db my-db-pxc-db-haproxy.default ready 3 3 12d
### pxc cluster 갯수 반영안됨
$ kubectl edit perconaxtradbclusters.pxc.percona.com 에 아래의 옵션 추가
allowUnsafeConfigurations: true
$ kubectl get pxc
NAME ENDPOINT STATUS PXC PROXYSQL HAPROXY AGE
my-db-pxc-db my-db-pxc-db-haproxy.default initializing 3 12d
$ kubectl get pxc
NAME ENDPOINT STATUS PXC PROXYSQL HAPROXY AGE
my-db-pxc-db my-db-pxc-db-haproxy.default ready 2 3 12d
$ kubectl get pod
NAME READY STATUS RESTARTS AGE
my-db-pxc-db-haproxy-0 2/2 Running 0 39m
my-db-pxc-db-haproxy-1 2/2 Running 0 37m
my-db-pxc-db-haproxy-2 2/2 Running 0 5m32s
my-db-pxc-db-pxc-0 3/3 Running 0 76s
my-db-pxc-db-pxc-1 3/3 Running 0 2m40s
my-op-pxc-operator-7578776fd6-ttms8 1/1 Running 0 12d
testpod1 1/1 Running 0 12d
testpod2 1/1 Running 0 12d
testpod3 1/1 Running 0 12d
xb-cron-my-db-pxc-db-fs-pvc-2022611000-372f8-m7v75 0/1 Completed 0 4d7h
xb-cron-my-db-pxc-db-fs-pvc-2022612000-372f8-ws9x9 0/1 Completed 0 3d7h
xb-cron-my-db-pxc-db-fs-pvc-2022613000-372f8-tdtcm 0/1 Completed 0 2d7h
xb-cron-my-db-pxc-db-fs-pvc-2022614000-372f8-nld5t 0/1 Completed 0 31h
xb-cron-my-db-pxc-db-fs-pvc-2022615000-372f8-5d7gp 0/1 Completed 0 7h38m
$ kubectl edit perconaxtradbclusters.pxc.percona.com
allowUnsafeConfigurations: true -> 삭제
$ kubectl get pxc
NAME ENDPOINT STATUS PXC PROXYSQL HAPROXY AGE
my-db-pxc-db my-db-pxc-db-haproxy.default initializing 3 12d
$ kubectl get pxc
NAME ENDPOINT STATUS PXC PROXYSQL HAPROXY AGE
my-db-pxc-db my-db-pxc-db-haproxy.default ready 3 3 12d
$ kubectl get pod
NAME READY STATUS RESTARTS AGE
my-db-pxc-db-haproxy-0 2/2 Running 0 45m
my-db-pxc-db-haproxy-1 2/2 Running 0 44m
my-db-pxc-db-haproxy-2 2/2 Running 0 12m
my-db-pxc-db-pxc-0 3/3 Running 0 115s
my-db-pxc-db-pxc-1 3/3 Running 0 3m23s
my-db-pxc-db-pxc-2 3/3 Running 0 4m46s
my-op-pxc-operator-7578776fd6-ttms8 1/1 Running 0 12d
testpod1 1/1 Running 0 12d
testpod2 1/1 Running 0 12d
testpod3 1/1 Running 0 12d
xb-cron-my-db-pxc-db-fs-pvc-2022611000-372f8-m7v75 0/1 Completed 0 4d7h
xb-cron-my-db-pxc-db-fs-pvc-2022612000-372f8-ws9x9 0/1 Completed 0 3d7h
xb-cron-my-db-pxc-db-fs-pvc-2022613000-372f8-tdtcm 0/1 Completed 0 2d7h
xb-cron-my-db-pxc-db-fs-pvc-2022614000-372f8-nld5t 0/1 Completed 0 31h
xb-cron-my-db-pxc-db-fs-pvc-2022615000-372f8-5d7gp 0/1 Completed 0 7h44m
### 강제적으로 size 값이 3개로 반영됨
pxc:
affinity:
antiAffinityTopologyKey: kubernetes.io/hostname
annotations: {}
...
size: 2
tolerations: []
volumeSpec:
emptyDir: {}
size 값은 여전히 2로 수정되어 있음