feat(spanner): Add instance partitions field in backup proto

Google APIs · copybara-github · commit 1185fe543e0c · 2025-02-12T12:47:52.000-08:00
PiperOrigin-RevId: 726160420
diff --git a/google/spanner/admin/database/v1/backup.proto b/google/spanner/admin/database/v1/backup.proto
@@ -207,6 +207,13 @@ message Backup {
   // retained by the backup system.
   google.protobuf.Timestamp oldest_version_time = 18
       [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The instance partition(s) storing the backup.
+  //
+  // This is the same as the list of the instance partition(s) that the database
+  // had footprint in at the backup's `version_time`.
+  repeated BackupInstancePartition instance_partitions = 19
+      [(google.api.field_behavior) = OUTPUT_ONLY];
 }
 
 // The request for
@@ -755,3 +762,12 @@ message FullBackupSpec {}
 // successive incremental backups. The first backup created for an
 // incremental backup chain is always a full backup.
 message IncrementalBackupSpec {}
+
+// Instance partition information for the backup.
+message BackupInstancePartition {
+  // A unique identifier for the instance partition. Values are of the form
+  // `projects/<project>/instances/<instance>/instancePartitions/<instance_partition_id>`
+  string instance_partition = 1 [(google.api.resource_reference) = {
+    type: "spanner.googleapis.com/InstancePartition"
+  }];
+}
diff --git a/google/spanner/admin/database/v1/spanner_database_admin.proto b/google/spanner/admin/database/v1/spanner_database_admin.proto
@@ -42,6 +42,10 @@ option (google.api.resource_definition) = {
   type: "spanner.googleapis.com/Instance"
   pattern: "projects/{project}/instances/{instance}"
 };
+option (google.api.resource_definition) = {
+  type: "spanner.googleapis.com/InstancePartition"
+  pattern: "projects/{project}/instances/{instance}/instancePartitions/{instance_partition}"
+};
 
 // Cloud Spanner Database Admin API
 //
