[public-api] Add k8s service definition

Author: easyCZ

install/installer/pkg/components/public-api-server/constants.go

@@ -5,7 +5,13 @@
 package public_api_server
 
 const (
-	Component     = "public-api-server"
-	ContainerPort = 9000
-	PortName      = "http"
+	Component = "public-api-server"
+
+	HTTPPortName      = "http"
+	HTTPContainerPort = 9000
+	HTTPServicePort   = 9000
+
+	GRPCPortName      = "grpc"
+	GRPCContainerPort = 9001
+	GRPCServicePort   = 9001
 )

install/installer/pkg/components/public-api-server/deployment.go

@@ -52,10 +52,16 @@ func deployment(ctx *common.RenderContext) ([]runtime.Object, error) {
 									"memory": resource.MustParse("32Mi"),
 								},
 							},
-							Ports: []corev1.ContainerPort{{
-								ContainerPort: ContainerPort,
-								Name:          PortName,
-							}},
+							Ports: []corev1.ContainerPort{
+								{
+									ContainerPort: HTTPContainerPort,
+									Name:          HTTPPortName,
+								},
+								{
+									ContainerPort: GRPCContainerPort,
+									Name:          GRPCPortName,
+								},
+							},
 							SecurityContext: &corev1.SecurityContext{
 								Privileged: pointer.Bool(false),
 							},
@@ -66,7 +72,7 @@ func deployment(ctx *common.RenderContext) ([]runtime.Object, error) {
 								ProbeHandler: corev1.ProbeHandler{
 									HTTPGet: &corev1.HTTPGetAction{
 										Path:   "/",
-										Port:   intstr.IntOrString{IntVal: ContainerPort},
+										Port:   intstr.IntOrString{IntVal: HTTPContainerPort},
 										Scheme: corev1.URISchemeHTTP,
 									},
 								},

install/installer/pkg/components/public-api-server/objects.go

@@ -21,6 +21,7 @@ func Objects(ctx *common.RenderContext) ([]runtime.Object, error) {
 		deployment,
 		rolebinding,
 		common.DefaultServiceAccount(Component),
+		service,
 	)(ctx)
 }
 

install/installer/pkg/components/public-api-server/service.go

@@ -0,0 +1,22 @@
+// 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 public_api_server
+
+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, map[string]common.ServicePort{
+		HTTPPortName: {
+			ContainerPort: HTTPContainerPort,
+			ServicePort:   HTTPServicePort,
+		},
+		GRPCPortName: {
+			ContainerPort: GRPCContainerPort,
+			ServicePort:   GRPCServicePort,
+		},
+	})(ctx)
+}