sieve

**Describe the bug** When scaling down, the Cassandra operator always decommissions a Cassandra node (or a Cassandra pod) before deleting the pod. However, we find sometimes the Cassandra node can...

[BUG] Reading stale pod information can lead to undesired PVC deletion

2

**Describe the bug** We find that reading stale pod information from the apiserver will make the controller accidentally delete the PVC used by the current pod. More concretely, if we...

Fix-412: Check UID before deleting PVC

3

Fix https://github.com/datastax/cass-operator/issues/412 Label the uid to each pvc and check uid before issuing deletion

## Bug Report **What did you do?** We find that the NiFi operator sometimes fails to update the config specified by the user if it crashes and restarts at some...

Fix-118: Check UID before deleting PVC

6

**What this PR does**: * Create a new label `DatacenterUID` -- the UID of the cassandra datacenter * Label `DatacenterUID` to each pvc and check whether labeled `DatacenterUID` is the...

[BUG] Casskop refuses to set nodesPerRacks to 0 even after cleaning up cassandra keyspaces

5

## Bug Report We find that sometimes casskop and Cassandra disagrees on the keyspace which prevents us from setting `nodesPerRacks` to 0. 1. Create a CassandraCluster with 3 DC, each...

[BUG] Pod disruption budget's MaxPodUnavailable gets changed unexpectedly when reading stale information from apiserver

4

## Bug Report We find that after a restart the controller could accidentally invoke `DeletePodDisruptionBudget` and then `CreatePodDisruptionBudget`, which leads to an unexpected change (decrease) of PDB's MaxPodUnavailable during the...

[BUG] Replica of cassandraCluster gets inconsistent under different reconciliation interleaving

3

## Bug Report The casskop operator has the following logic to invalidate user request which scales down the cluster to 0, and the replica number of the cluster is then...

[BUG] Error doing exists check for znode by the zookeeper-operator

10

### Description We encountered errors about exists check when using the zookeeper-operator and the zookeeper-operator is blocked by the error and cannot make any progress to scale down/up the zookeeper...

[BUG] Unexpected resource creation when the ZookeeperCluster is already deleted

4

### Description We find that the zookeeper operator, after deleting the PVC and removing the finalizer for a ZookeeperCluster CR with a non-zero DeletionTimestamp (in reconcileFinalizers), will continue running the...