add initial protobuf for replistore integration

protobuf/replistore/replistore.proto

@@ -0,0 +1,101 @@
+// Copyright (C) 2023 Felix Huettner
+//
+// This file is part of DTRD.
+//
+// DTRD is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// DTRD is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+syntax = "proto3";
+
+package replistore;
+
+import "google/protobuf/timestamp.proto";
+
+message Bucket { string name = 1; }
+
+message CreateBucketRequest { string name = 1; }
+message CreateBucketResponse { Bucket bucket = 1; }
+
+message ListBucketRequest {}
+message ListBucketResponse { repeated Bucket buckets = 1; }
+
+message DeleteBucketRequest { string name = 1; }
+message DeleteBucketResponse {}
+
+message ReplicationPeer {
+  string endpoint = 1;
+  google.protobuf.Timestamp last_contact = 2;
+}
+
+message CreateReplicationPeerRequest { string endpoint = 1; }
+message CreateReplicationPeerResponse { ReplicationPeer peer = 1; }
+
+message ListReplicationPeerRequest {}
+message ListReplicationPeerResponse { repeated ReplicationPeer peers = 1; }
+
+message DeleteReplicationPeerRequest { string name = 1; }
+message DeleteReplicationPeerResponse {}
+
+message BucketReplicationConfig {
+  string endpoint = 1;
+  string target_bucket_name = 2;
+}
+
+message BucketReplicationStatus {
+  google.protobuf.Timestamp last_sent = 1;
+  google.protobuf.Timestamp last_recived = 2;
+  uint64 current_local_version = 3;
+  uint64 last_known_peer_version = 4;
+
+  enum ReplicationType {
+    SENDING = 0;
+    RECEIVING = 1;
+  }
+  ReplicationType type = 5;
+}
+
+message BucketReplication {
+  BucketReplicationConfig config = 1;
+  BucketReplicationStatus status = 2;
+}
+
+message SetBucketReplicationRequest {
+  string bucket_name = 1;
+  repeated BucketReplicationConfig configs = 2;
+}
+message SetBucketReplicationResponse {
+  repeated BucketReplication replication = 1;
+}
+
+message ListBucketReplicationRequest { string bucket_name = 1; }
+message ListBucketReplicationResponse {
+  repeated BucketReplication replication = 1;
+}
+
+service AdminService {
+  rpc CreateBucket(CreateBucketRequest) returns (CreateBucketResponse);
+  rpc ListBucket(ListBucketRequest) returns (ListBucketResponse);
+  rpc DeleteBucket(DeleteBucketRequest) returns (DeleteBucketResponse);
+
+  rpc CreateReplicationPeer(CreateReplicationPeerRequest)
+      returns (CreateReplicationPeerResponse);
+  rpc ListReplicationPeer(ListReplicationPeerRequest)
+      returns (ListReplicationPeerResponse);
+  rpc DeleteReplicationPeer(DeleteReplicationPeerRequest)
+      returns (DeleteReplicationPeerResponse);
+
+  rpc SetBucketReplication(SetBucketReplicationRequest)
+      returns (SetBucketReplicationResponse);
+  rpc ListBucketReplication(ListBucketReplicationRequest)
+      returns (ListBucketReplicationResponse);
+}