feat: add persistentvolumeclaimretentionpolicy

[lenglet-k]

Summary

Support for opt-in cleanup of PVCs

Link to:

• Support for opt-in cleanup of PVCs mongodb-kubernetes-operator#1391
• feat: add persistentVolumeClaimRetentionPolicy mongodb-kubernetes-operator#1633

Proof of Work

Create this MongoDBCommunity resource:

---
apiVersion: mongodbcommunity.mongodb.com/v1
kind: MongoDBCommunity
metadata:
  name: mongodb-specify-volumeclaimretention-values
spec:
  members: 3
  type: ReplicaSet
  version: "6.0.5"
  security:
    authentication:
      modes: ["SCRAM"]
  users:
    - name: my-user
      db: admin
      passwordSecretRef: # a reference to the secret that will be used to generate the user's password
        name: my-user-password
      roles:
        - name: clusterAdmin
          db: admin
        - name: userAdminAnyDatabase
          db: admin
      scramCredentialsSecretName: my-scram
  statefulSet:
    spec:
      persistentVolumeClaimRetentionPolicy:
        WhenDeleted: "Delete"
        WhenScaled: "Delete"
      template:
        spec:
          containers:
            - name: mongodb-agent
              readinessProbe:
                failureThreshold: 50
                initialDelaySeconds: 10

# the user credentials will be generated from this secret
# once the credentials are generated, this secret is no longer required
---
apiVersion: v1
kind: Secret
metadata:
  name: my-user-password
type: Opaque
stringData:
  password: <your-password-here>

See pvc created in K8S cluster.

Delete MongoDBCommunity and see pvc disappear.

Checklist

• Have you linked a jira ticket and/or is the ticket in the title?
• Have you checked whether your jira ticket required DOCSP changes?
• Have you checked for release_note changes?

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