feat(manager): Add custom version / service info headers

build/compile.mk

@@ -7,7 +7,7 @@ BUILD_DIR  ?= ./bin/
 PROJECT_MODULE ?= $(shell $(GO) list -m)
 # $b replaced by the binary name in the compile loop, -s/w remove debug symbols
 # TODO: Remove the compile time 'main.NewRelicAPIKey'
-LDFLAGS    ?= "-s -w -X main.NewRelicAPIKey=${NEWRELIC_API_KEY} -X main.version=$(PROJECT_VER) -X main.appName=$$b"
+LDFLAGS    ?= "-s -w -X $(PROJECT_NAME)/internal/info.Name=$(PROJECT_NAME) -X $(PROJECT_MODULE)/internal/info.Version=$(PROJECT_VER)"
 SRCDIR     ?= .
 COMPILE_OS ?= darwin linux windows
 

cmd/manager/main.go

@@ -27,14 +27,11 @@ import (
 	"sigs.k8s.io/controller-runtime/pkg/log/zap"
 
 	nrv1 "github.com/newrelic/newrelic-kubernetes-operator/api/v1"
+	"github.com/newrelic/newrelic-kubernetes-operator/internal/info"
 	// +kubebuilder:scaffold:imports
 )
 
-const appName = "newrelic-kubernetes-operator"
-
 var (
-	version = "dev"
-
 	scheme   = runtime.NewScheme()
 	setupLog = ctrl.Log.WithName("setup")
 )
@@ -59,7 +56,7 @@ func main() {
 	flag.Parse()
 
 	if showVersion {
-		fmt.Printf("%s version %s\n", appName, version)
+		fmt.Printf("%s version %s\n", info.Name, info.Version)
 		os.Exit(0)
 	}
 

interfaces/new_relic_alert_client.go

@@ -4,6 +4,8 @@ import (
 	"github.com/newrelic/newrelic-client-go/pkg/alerts"
 	"github.com/newrelic/newrelic-client-go/pkg/config"
 	"github.com/newrelic/newrelic-client-go/pkg/region"
+
+	"github.com/newrelic/newrelic-kubernetes-operator/internal/info"
 )
 
 //go:generate go run github.com/maxbrunsfeld/counterfeiter/v6 . NewRelicAlertsClient
@@ -22,6 +24,8 @@ type NewRelicAlertsClient interface {
 func InitializeAlertsClient(apiKey string, regionName string) (NewRelicAlertsClient, error) {
 	configuration := config.New()
 	configuration.PersonalAPIKey = apiKey
+	configuration.ServiceName = info.Name
+	configuration.UserAgent = info.UserAgent()
 
 	regName, err := region.Parse(regionName)
 	if err != nil {

internal/info/main.go

@@ -0,0 +1,13 @@
+package info
+
+// Version of this library
+var (
+	Name    string = "newrelic-kubernetes-operator"
+	Version string = "dev"
+)
+
+const RepoURL = "https://github.com/newrelic/newrelic-kubernetes-operator"
+
+func UserAgent() string {
+	return Name + "/" + Version + " (" + RepoURL + ")"
+}