Add service for usage component

Add a service for the gRPC port exposed by the usage component.

Author: Andrew Farries

install/installer/pkg/components/usage/constants.go

@@ -7,6 +7,8 @@ package usage
 const (
 	Component             = "usage"
 	gRPCContainerPort     = 9001
+	gRPCPortName          = "grpc"
+	gRPCServicePort       = 9001
 	stripeSecretMountPath = "stripe-secret"
 	stripeKeyFilename     = "apikeys"
 	configJSONFilename    = "config.json"

install/installer/pkg/components/usage/objects.go

@@ -22,6 +22,7 @@ func Objects(ctx *common.RenderContext) ([]runtime.Object, error) {
 		rolebinding,
 		configmap,
 		common.DefaultServiceAccount(Component),
+		service,
 	)(ctx)
 }
 

install/installer/pkg/components/usage/objects_test.go

@@ -27,7 +27,7 @@ func TestObjects_RenderedWhenExperimentalConfigSet(t *testing.T) {
 	objects, err := Objects(ctx)
 	require.NoError(t, err)
 	require.NotEmpty(t, objects, "must render objects because experimental config is specified")
-	require.Len(t, objects, 5, "should render expected k8s objects")
+	require.Len(t, objects, 6, "should render expected k8s objects")
 }
 
 func renderContextWithUsageConfig(t *testing.T, usage *experimental.UsageConfig) *common.RenderContext {

install/installer/pkg/components/usage/service.go

@@ -0,0 +1,19 @@
+// Copyright (c) 2022 Gitpod GmbH. All rights reserved.
+// Licensed under the MIT License. See License-MIT.txt in the project root for license information.
+
+package usage
+
+import (
+	"github.com/gitpod-io/gitpod/installer/pkg/common"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+func service(ctx *common.RenderContext) ([]runtime.Object, error) {
+	return common.GenerateService(Component, []common.ServicePort{
+		{
+			Name:          gRPCPortName,
+			ContainerPort: gRPCContainerPort,
+			ServicePort:   gRPCServicePort,
+		},
+	})(ctx)
+}