feat(serviceusage): start generating apiv1 (#4120)

Author: codyoss

internal/.repo-metadata-full.json

@@ -1097,6 +1097,15 @@
     "release_level": "ga",
     "library_type": ""
   },
+  "cloud.google.com/go/serviceusage/apiv1": {
+    "distribution_name": "cloud.google.com/go/serviceusage/apiv1",
+    "description": "Service Usage API",
+    "language": "Go",
+    "client_library_type": "generated",
+    "docs_url": "https://cloud.google.com/go/docs/reference/cloud.google.com/go/latest/serviceusage/apiv1",
+    "release_level": "beta",
+    "library_type": ""
+  },
   "cloud.google.com/go/spanner": {
     "distribution_name": "cloud.google.com/go/spanner",
     "description": "Cloud Spanner",

internal/gapicgen/generator/config.go

@@ -1081,6 +1081,15 @@ var microgenGapicConfigs = []*microgenConfig{
 		// GA after 2021/06/10
 		releaseLevel: "beta",
 	},
+	{
+		inputDirectoryPath:    "google/api/serviceusage/v1",
+		pkg:                   "serviceusage",
+		importPath:            "cloud.google.com/go/serviceusage/apiv1",
+		gRPCServiceConfigPath: "google/api/serviceusage/v1/serviceusage_grpc_service_config.json",
+		apiServiceConfigPath:  "google/api/serviceusage/v1/serviceusage_v1.yaml",
+		// GA after 2021/06/18
+		releaseLevel: "beta",
+	},
 
 	// Non-Cloud APIs
 	{

serviceusage/apiv1/doc.go

@@ -0,0 +1,48 @@
+{
+  "schema": "1.0",
+  "comment": "This file maps proto services/RPCs to the corresponding library clients/methods.",
+  "language": "go",
+  "protoPackage": "google.api.serviceusage.v1",
+  "libraryPackage": "cloud.google.com/go/serviceusage/apiv1",
+  "services": {
+    "ServiceUsage": {
+      "clients": {
+        "grpc": {
+          "libraryClient": "Client",
+          "rpcs": {
+            "BatchEnableServices": {
+              "methods": [
+                "BatchEnableServices"
+              ]
+            },
+            "BatchGetServices": {
+              "methods": [
+                "BatchGetServices"
+              ]
+            },
+            "DisableService": {
+              "methods": [
+                "DisableService"
+              ]
+            },
+            "EnableService": {
+              "methods": [
+                "EnableService"
+              ]
+            },
+            "GetService": {
+              "methods": [
+                "GetService"
+              ]
+            },
+            "ListServices": {
+              "methods": [
+                "ListServices"
+              ]
+            }
+          }
+        }
+      }
+    }
+  }
+}