server pg backup

common/proto/backup.proto

@@ -0,0 +1,67 @@
+syntax = "proto3";
+package komp_ac.backup;
+
+import "common.proto";
+
+service BackupService {
+  rpc StartBackup(StartBackupRequest) returns (BackupOperationResponse);
+  rpc StartCheck(komp_ac.common.Empty) returns (BackupOperationResponse);
+  rpc GetBackupInfo(komp_ac.common.Empty) returns (BackupInfoResponse);
+  rpc GetOperationStatus(GetOperationStatusRequest) returns (BackupOperationResponse);
+  rpc RestoreLatest(RestoreLatestRequest) returns (BackupOperationResponse);
+  rpc RestoreTarget(RestoreTargetRequest) returns (BackupOperationResponse);
+}
+
+enum BackupType {
+  BACKUP_TYPE_UNSPECIFIED = 0;
+  BACKUP_TYPE_FULL = 1;
+  BACKUP_TYPE_DIFF = 2;
+  BACKUP_TYPE_INCR = 3;
+}
+
+enum OperationKind {
+  OPERATION_KIND_UNSPECIFIED = 0;
+  OPERATION_KIND_BACKUP = 1;
+  OPERATION_KIND_CHECK = 2;
+  OPERATION_KIND_RESTORE = 3;
+}
+
+enum OperationStatus {
+  OPERATION_STATUS_UNSPECIFIED = 0;
+  OPERATION_STATUS_RUNNING = 1;
+  OPERATION_STATUS_SUCCEEDED = 2;
+  OPERATION_STATUS_FAILED = 3;
+}
+
+message StartBackupRequest {
+  BackupType backup_type = 1;
+}
+
+message RestoreLatestRequest {
+  string confirmation = 1;
+}
+
+message RestoreTargetRequest {
+  string confirmation = 1;
+  string target_type = 2;
+  string target = 3;
+}
+
+message GetOperationStatusRequest {
+  string operation_id = 1;
+}
+
+message BackupOperationResponse {
+  string operation_id = 1;
+  OperationKind kind = 2;
+  OperationStatus status = 3;
+  string message = 4;
+  string output = 5;
+  int64 started_at_unix_seconds = 6;
+  int64 finished_at_unix_seconds = 7;
+}
+
+message BackupInfoResponse {
+  bool success = 1;
+  string output = 2;
+}