refactor(optimus): update the api for backup to accept list of resources (raystack#222)

* refactor: update backup api to accept list of resources to backup

* fix: fix buf lint errors

* refactor: remove dry run api

* refactor: return the id for backup

Author: sbchaos

odpf/optimus/core/v1beta1/backup.proto

@@ -24,12 +24,6 @@ option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {
 };
 
 service BackupService {
-  rpc BackupDryRun(BackupDryRunRequest) returns (BackupDryRunResponse) {
-    option (google.api.http) = {
-      post: "/v1beta1/project/{project_name}/namespace/{namespace_name}/datastore/{datastore_name}/backupDryrun"
-      body: "*"
-    };
-  }
   rpc CreateBackup(CreateBackupRequest) returns (CreateBackupResponse) {
     option (google.api.http) = {
       post: "/v1beta1/project/{project_name}/namespace/{namespace_name}/datastore/{datastore_name}/backup"
@@ -48,43 +42,29 @@ service BackupService {
   }
 }
 
-message BackupDryRunRequest {
-  string project_name = 1;
-  string datastore_name = 2;
-  string resource_name = 3;
-  string namespace_name = 4;
-  string description = 5;
-  bool ignore_downstream = 6 [deprecated = true];
-
-  // represents which downstream to be backed up.
-  // possible values are the namespace names, *, or empty.
-  // '*' means all namespaces are allowed, empty list means all downstream will be ignored.
-  repeated string allowed_downstream_namespaces = 7;
-}
-
-message BackupDryRunResponse {
-  repeated string resource_name = 1;
-  repeated string ignored_resources = 2;
+message IgnoredResource {
+  string name = 1;
+  string reason = 2;
 }
 
 message CreateBackupRequest {
+  reserved 3, 6, 8;
+
   string project_name = 1;
   string datastore_name = 2;
-  string resource_name = 3;
   string namespace_name = 4;
   string description = 5;
-  bool ignore_downstream = 6 [deprecated = true];
   map<string, string> config = 7;
 
-  // represents which downstream to be backed up.
-  // possible values are the namespace names, *, or empty.
-  // '*' means all namespaces are allowed, empty list means all downstream will be ignored.
-  repeated string allowed_downstream_namespaces = 8;
+  repeated string resource_names = 9;
 }
 
 message CreateBackupResponse {
-  repeated string urn = 1;
-  repeated string ignored_resources = 2;
+  reserved 2;
+
+  repeated string resource_names = 1;
+  repeated IgnoredResource ignored_resources = 3;
+  string backup_id = 4;
 }
 
 message ListBackupsRequest {
@@ -98,11 +78,13 @@ message ListBackupsResponse {
 }
 
 message BackupSpec {
+  reserved 2;
+
   string id = 1;
-  string resource_name = 2;
   google.protobuf.Timestamp created_at = 3;
   string description = 4;
   map<string, string> config = 5;
+  repeated string resource_names = 6;
 }
 
 message GetBackupRequest {
@@ -113,6 +95,7 @@ message GetBackupRequest {
 }
 
 message GetBackupResponse {
+  reserved 2;
+
   BackupSpec spec = 1;
-  repeated string urn = 2;
 }