Enforce HARDLINKS restore strategy as it is faster

deploy/crds/db.orange.com_cassandrarestores_crd.yaml

@@ -67,13 +67,6 @@ spec:
                 description: When set do not delete truncated SSTables after they've
                   been restored during CLEANUP phase. Defaults to false
                 type: boolean
-              restorationStrategyType:
-                description: Strategy telling how we should go about restoration,
-                  please refer to details in backup and sidecar documentation
-                enum:
-                - HARDLINKS
-                - IMPORT
-                type: string
               schemaVersion:
                 description: Version of the schema to restore from. Upon backup, a
                   schema version is automatically appended to a snapshot name and

pkg/apis/db/v1alpha1/cassandrarestore_types.go

@@ -69,9 +69,6 @@ type CassandraRestoreSpec struct {
 	// want to restore a table for which its CQL schema has not changed but it has changed for other table / keyspace
 	// but a schema for that node has changed by doing that. Defaults to False
 	ExactSchemaVersion 		bool `json:"exactSchemaVersion,omitempty""`
-	// Strategy telling how we should go about restoration, please refer to details in backup and sidecar documentation
-	// +kubebuilder:validation:Enum={"HARDLINKS","IMPORT"}
-	RestorationStrategyType string `json:"restorationStrategyType,omitempty"`
 	// Database entities to restore, it might be either only keyspaces or only tables prefixed by their respective
 	// keyspace, e.g. 'k1,k2' if one wants to backup whole keyspaces or 'ks1.t1,ks2.t2' if one wants to restore specific
 	// tables. These formats are mutually exclusive so 'k1,k2.t2' is invalid. An empty field will restore all keyspaces

pkg/backrest/backrest.go

@@ -47,7 +47,7 @@ func (c *Client) PerformRestore(restore *api.CassandraRestore,
 		K8sSecretName: restore.Spec.Secret,
 		CassandraDirectory: restore.Spec.CassandraDirectory,
 		SchemaVersion: restore.Spec.SchemaVersion,
-		RestorationStrategyType: restore.Spec.RestorationStrategyType,
+		RestorationStrategyType: "HARDLINKS",
 		ResolveHostIdFromTopology: true,
 	}
 

pkg/backrest/backrest_test.go

@@ -24,7 +24,6 @@ func TestPerformRestore(t *testing.T) {
 		Spec:       v1alpha1.CassandraRestoreSpec{
 			ConcurrentConnection:    &concurrentConnection,
 			NoDeleteTruncates:       true,
-			RestorationStrategyType: "HARDLINKS",
 			CassandraCluster:        "cassandra-bgl",
 			CassandraBackup:         "gcp_backup",
 		},