feat(clone): new parameter to identify deleted snapshot having active clones

protobuf/v1/replica.proto

@@ -82,9 +82,18 @@ message ListReplicasResponse {
   repeated Replica replicas = 1;  // list of the replicas
 }
 
+/// ReplicaType enum is used to filter replica in listreplica response.
+enum ReplicaType {
+  AllReplicas  = 0; // Default value, to return all the replicas including snapshots and clones
+  AllReplicasExceptSnapshots = 1; // Return replicas and snapshot clones, without snapshots
+  OnlySnapshotClones = 2; // Returns only snapshot clones
+  OnlyReplicas = 3; // Returns only replicas
+}
+
 message ListReplicaOptions {
   google.protobuf.StringValue name = 1; // list the replica with the name if provided
   google.protobuf.StringValue poolname = 2; // list the replicas on the provided pool, by name
   google.protobuf.StringValue uuid = 3; // list the replica with the uuid if provided
   google.protobuf.StringValue pooluuid = 4; // list the replicas on the provided pool, by uuid
+  ReplicaType replicatype = 5; // list replica based on ReplicaType value
 }

protobuf/v1/snapshot.proto

@@ -33,11 +33,23 @@ message SnapshotInfo {
     bool valid_snapshot = 12; // true: valid, false: invalid (missing one/more snapshotdescriptor field i.e. txn_id, entity_id, source_uuid
     bool ready_as_source = 13; // ready for usage, i,e source for another volume.
     uint64 referenced_bytes = 14; // amount of bytes referenced by all successor snapshots.
+    bool discarded_snapshot = 15; // true: snapshot is marked as discarded. false: Valid Snapshot
 }
+
+/// SnapshotQueryType enum is used to filter snapshots in listsnapshot response.
+enum SnapshotQueryType {
+    AllSnapshots  = 0; // Default value, to return all the snapshots
+    AllSnapshotsExceptDiscardedSnapshots = 1; // Returns all snapshots except discarded snapshots
+    OnlyDiscardedSnapshots = 2; // Returns only discarded snapshots
+    OnlyInvalidSnapshots = 3; // Returns only invalid snapshots
+    OnlyUsableSnapshots = 4; // Returns only usable snapshots
+}
+
 /// Request parameters to list snapshot.
 message ListSnapshotsRequest {
     optional string source_uuid = 1;  // source uuid from which snapshot is taken
     optional string snapshot_uuid = 2; // snapshot uuid for which the detail can be listed
+    SnapshotQueryType snapshot_query_type = 3; // list snapshot based on SnapshotQueryType value
 }
 
 /// List Snapshot Response.

src/v1.rs

@@ -45,7 +45,8 @@ pub mod replica {
         replica_rpc_client::ReplicaRpcClient,
         replica_rpc_server::{ReplicaRpc, ReplicaRpcServer},
         CreateReplicaRequest, DestroyReplicaRequest, ListReplicaOptions, ListReplicasResponse,
-        Replica, ReplicaSpaceUsage, ShareReplicaRequest, SnapshotInfo, UnshareReplicaRequest,
+        Replica, ReplicaSpaceUsage, ReplicaType, ShareReplicaRequest, SnapshotInfo,
+        UnshareReplicaRequest,
     };
 }
 pub mod snapshot {
@@ -57,7 +58,7 @@ pub mod snapshot {
         DestroySnapshotRequest, ListSnapshotCloneRequest, ListSnapshotCloneResponse,
         ListSnapshotsRequest, ListSnapshotsResponse, Nexus, NexusCreateSnapshotReplicaDescriptor,
         NexusCreateSnapshotReplicaStatus, NexusCreateSnapshotRequest, NexusCreateSnapshotResponse,
-        Replica, SnapshotInfo,
+        Replica, SnapshotInfo, SnapshotQueryType,
     };
 }
 pub mod registration {