Enable specifying PVC retention policy for auto deletion (#2343)

* Enable specifying PVC retention policy for auto deletion
* enable StatefulSetAutoDeletePVC in featureGates
* skip node affinity test

pkg/apis/acid.zalan.do/v1/crds.go

@@ -1388,6 +1388,33 @@ var OperatorConfigCRDResourceValidation = apiextv1.CustomResourceValidation{
 							"pdb_name_format": {
 								Type: "string",
 							},
+							"persistent_volume_claim_retention_policy": {
+								Type: "object",
+								Properties: map[string]apiextv1.JSONSchemaProps{
+									"when_deleted": {
+										Type: "string",
+										Enum: []apiextv1.JSON{
+											{
+												Raw: []byte(`"delete"`),
+											},
+											{
+												Raw: []byte(`"retain"`),
+											},
+										},
+									},
+									"when_scaled": {
+										Type: "string",
+										Enum: []apiextv1.JSON{
+											{
+												Raw: []byte(`"delete"`),
+											},
+											{
+												Raw: []byte(`"retain"`),
+											},
+										},
+									},
+								},
+							},
 							"pod_antiaffinity_preferred_during_scheduling": {
 								Type: "boolean",
 							},

pkg/apis/acid.zalan.do/v1/operator_configuration_type.go

@@ -100,6 +100,7 @@ type KubernetesMetaConfiguration struct {
 	PodAntiAffinityPreferredDuringScheduling bool                `json:"pod_antiaffinity_preferred_during_scheduling,omitempty"`
 	PodAntiAffinityTopologyKey               string              `json:"pod_antiaffinity_topology_key,omitempty"`
 	PodManagementPolicy                      string              `json:"pod_management_policy,omitempty"`
+	PersistentVolumeClaimRetentionPolicy     map[string]string   `json:"persistent_volume_claim_retention_policy,omitempty"`
 	EnableReadinessProbe                     bool                `json:"enable_readiness_probe,omitempty"`
 	EnableCrossNamespaceSecret               bool                `json:"enable_cross_namespace_secret,omitempty"`
 }