feat(internal/serviceconfig): add API overrides data (#3524)

Additional API overrides data is added based on the google-cloud-rust
librarian.yaml. This data will be used by `librarian generate` in a
follow up PR and removed from the google-cloud-rust librarian.yaml.

Author: julieqiu

internal/serviceconfig/override.go

@@ -14,15 +14,66 @@
 
 package serviceconfig
 
-// channelToServiceConfigOverrides defines API channels whose service configuration does not live
-// alongside the API definition directory.
-//
-// For these entries, the service config must be resolved explicitly rather
-// than discovered via directory traversal. All paths are relative to the
-// googleapis root.
-var channelToServiceConfigOverrides = map[string]string{
-	"google/cloud/aiplatform/schema/predict/instance":       "google/cloud/aiplatform/v1/schema/aiplatform_v1.yaml",
-	"google/cloud/aiplatform/schema/predict/params":         "google/cloud/aiplatform/v1/schema/aiplatform_v1.yaml",
-	"google/cloud/aiplatform/schema/predict/prediction":     "google/cloud/aiplatform/v1/schema/aiplatform_v1.yaml",
-	"google/cloud/aiplatform/schema/trainingjob/definition": "google/cloud/aiplatform/v1/schema/aiplatform_v1.yaml",
+const (
+	titleAppsScriptTypes          = "Google Apps Script Types"
+	titleGKEHubTypes              = "GKE Hub Types"
+	serviceConfigAIPlatformSchema = "google/cloud/aiplatform/v1/schema/aiplatform_v1.yaml"
+)
+
+// Override represents a single API entry with its overrides.
+type Override struct {
+	ServiceConfig string
+	Title         string
+}
+
+// Overrides defines the set of API definitions and their overrides.
+var Overrides = map[string]Override{
+	"google/apps/script/type": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/apps/script/type/calendar": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/apps/script/type/docs": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/apps/script/type/drive": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/apps/script/type/gmail": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/apps/script/type/sheets": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/apps/script/type/slides": {
+		Title: titleAppsScriptTypes,
+	},
+	"google/cloud/aiplatform/v1/schema/predict/instance": {
+		ServiceConfig: serviceConfigAIPlatformSchema,
+	},
+	"google/cloud/aiplatform/v1/schema/predict/params": {
+		ServiceConfig: serviceConfigAIPlatformSchema,
+	},
+	"google/cloud/aiplatform/v1/schema/predict/prediction": {
+		ServiceConfig: serviceConfigAIPlatformSchema,
+	},
+	"google/cloud/aiplatform/v1/schema/trainingjob/definition": {
+		ServiceConfig: serviceConfigAIPlatformSchema,
+	},
+	"google/cloud/gkehub/v1/configmanagement": {
+		Title: titleGKEHubTypes,
+	},
+	"google/cloud/gkehub/v1/multiclusteringress": {
+		Title: titleGKEHubTypes,
+	},
+	"google/cloud/orgpolicy/v1": {
+		Title: "Organization Policy Types",
+	},
+	"google/cloud/oslogin/common": {
+		Title: "Cloud OS Login Common Types",
+	},
+	"google/identity/accesscontextmanager/type": {
+		Title: "Access Context Manager Types",
+	},
 }

internal/serviceconfig/serviceconfig.go

@@ -79,8 +79,8 @@ func Read(serviceConfigPath string) (*Service, error) {
 // "google/cloud/secretmanager/v1"). Returns the service config path relative
 // to googleapisDir, or empty string if not found.
 func Find(googleapisDir, channel string) (string, error) {
-	if config, ok := channelToServiceConfigOverrides[channel]; ok {
-		return config, nil
+	if override, ok := Overrides[channel]; ok && override.ServiceConfig != "" {
+		return override.ServiceConfig, nil
 	}
 
 	dir := filepath.Join(googleapisDir, channel)

internal/serviceconfig/serviceconfig_test.go

@@ -104,7 +104,7 @@ func TestFind(t *testing.T) {
 		},
 		{
 			name:    "override",
-			channel: "google/cloud/aiplatform/schema/predict/instance",
+			channel: "google/cloud/aiplatform/v1/schema/predict/instance",
 			want:    "google/cloud/aiplatform/v1/schema/aiplatform_v1.yaml",
 		},
 	} {