AcquireInstanceMaintenanceLock gives caller an exclusive maintenance access to the specified instance object.

check pvc spec.

FilterDiskWithSizeChanged compare an old STS to a new STS and identify volumes that changed from old to new.

IsReadyWithObj returns true if the statefulset has a non-zero number of desired replicas and has the same number of actual pods running and ready.

Patch attempts to patch the given object.

pvcsCanBeExpanded checks all the pvcs has a storage class that can be expanded, and return an error if any one PVC cannot be expanded.

ReleaseInstanceMaintenanceLock releases exclusive maintenance access to the specified instance object.

60 minutes because it can take 50+ minutes to create an unseeded CDB.

StandbyReconcileInterval is the reconcile interval for a standby instance.

InstanceReconciler reconciles an Instance object.