feat: Add Cloud_Resource Connection Support (#162)

PiperOrigin-RevId: 433053270
Source-Link: googleapis/googleapis@eb0700c
Source-Link: googleapis/googleapis-gen@0678286
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiMDY3ODI4NjllZDJiODUzYjI3NTBlYTJhNzhmYzRiMDgxYTgyMmRlOSJ9

packages/google-cloud-bigquery-connection/protos/google/cloud/bigquery/connection/v1/connection.proto

@@ -1,4 +1,4 @@
-// Copyright 2021 Google LLC
+// Copyright 2022 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
@@ -24,7 +24,6 @@ import "google/iam/v1/iam_policy.proto";
 import "google/iam/v1/policy.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/field_mask.proto";
-import "google/protobuf/wrappers.proto";
 
 option csharp_namespace = "Google.Cloud.BigQuery.Connection.V1";
 option go_package = "google.golang.org/genproto/googleapis/cloud/bigquery/connection/v1;connection";
@@ -236,6 +235,9 @@ message Connection {
 
  // Cloud Spanner properties.
  CloudSpannerProperties cloud_spanner = 21;
+
+ // Cloud Resource properties.
+ CloudResourceProperties cloud_resource = 22;
  }
 
  // Output only. The creation timestamp of the connection.
@@ -334,3 +336,19 @@ message AwsAccessRole {
  // This identity will be used to access the user's AWS IAM Role.
  string identity = 2;
 }
+
+// Container for connection properties for delegation of access to GCP
+// resources.
+message CloudResourceProperties {
+ // Output only. The account ID of the service created for the purpose of this connection.
+ //
+ // The service account does not have any permissions associated with it
+ // when it is created. After creation, customers delegate permissions
+ // to the service account. When the connection is used in the context of an
+ // operation in BigQuery, the service account will be used to connect to the
+ // desired resources in GCP.
+ //
+ // The account ID is in the form of:
+ // <service-1234>@gcp-sa-bigquery-cloudresource.iam.gserviceaccount.com
+ string service_account_id = 1 [(google.api.field_behavior) = OUTPUT_ONLY];
+}