feat: add DeploymentTier enum to DeployedIndex

Google APIs · copybara-github · commit 063f9e19c589 · 2025-09-30T12:42:04.000-07:00
PiperOrigin-RevId: 813384393
diff --git a/google/cloud/aiplatform/v1/index_endpoint.proto b/google/cloud/aiplatform/v1/index_endpoint.proto
@@ -138,6 +138,15 @@ message IndexEndpoint {
 
 // A deployment of an Index. IndexEndpoints contain one or more DeployedIndexes.
 message DeployedIndex {
+  // Tiers encapsulate serving time attributes like latency and throughput.
+  enum DeploymentTier {
+    // Default deployment tier.
+    DEPLOYMENT_TIER_UNSPECIFIED = 0;
+
+    // Optimized for costs.
+    STORAGE = 2;
+  }
+
   // Required. The user specified ID of the DeployedIndex.
   // The ID can be up to 128 characters long and must start with a letter and
   // only contain letters, numbers, and underscores.
@@ -274,6 +283,10 @@ message DeployedIndex {
   // Note: we only support up to 5 deployment groups(not including 'default').
   string deployment_group = 11 [(google.api.field_behavior) = OPTIONAL];
 
+  // Optional. The deployment tier that the index is deployed to.
+  // DEPLOYMENT_TIER_UNSPECIFIED will use a system-chosen default tier.
+  DeploymentTier deployment_tier = 18 [(google.api.field_behavior) = OPTIONAL];
+
   // Optional. If set for PSC deployed index, PSC connection will be
   // automatically created after deployment is done and the endpoint information
   // is populated in private_endpoints.psc_automated_endpoints.
