Remove explicit storage class parameter validation

Signed-off-by: Grant Griffiths <ggp493@gmail.com>

pkg/controller/controller.go

@@ -562,19 +562,6 @@ func (p *csiProvisioner) Provision(options controller.VolumeOptions) (*v1.Persis
 	return pv, nil
 }
 
-func validateStorageClassParameters(params map[string]string) error {
-	for k, v := range params {
-		switch {
-		case strings.Contains(k, prefixedProvisionerSecretNameKey) && strings.Contains(v, "pvc.annotations"):
-			return fmt.Errorf("Secret name stored in storage class parameters is not supported")
-		case strings.Contains(k, prefixedProvisionerSecretNamespaceKey) && strings.Contains(v, "pvc.annotations"):
-			return fmt.Errorf("Secret namespace stored in storage class parameters is not supported")
-		}
-	}
-
-	return nil
-}
-
 func (p *csiProvisioner) supportsTopology() bool {
 	return p.pluginCapabilities[csi.PluginCapability_Service_VOLUME_ACCESSIBILITY_CONSTRAINTS] &&
 		utilfeature.DefaultFeatureGate.Enabled(features.Topology)
@@ -791,11 +778,6 @@ func verifyAndGetSecretNameAndNamespaceTemplate(secret secretParamsMap, storageC
 // - the resolved name is not a valid secret name
 // - the resolved namespace is not a valid namespace name
 func getSecretReference(secretParams secretParamsMap, storageClassParams map[string]string, pvName string, pvc *v1.PersistentVolumeClaim) (*v1.SecretReference, error) {
-	// Ensure that no unsupported SC parameters are passed in.
-	if err := validateStorageClassParameters(storageClassParams); err != nil {
-		return nil, err
-	}
-
 	nameTemplate, namespaceTemplate, err := verifyAndGetSecretNameAndNamespaceTemplate(secretParams, storageClassParams)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get name and namespace template from params: %v", err)