refactor: optimize birdseye printing

Author: linfan

pkg/kt/command/birdseye.go

@@ -39,24 +39,29 @@ func Birdseye() error {
 	}
 
 	if opt.Get().Birdseye.ShowConnector {
+		log.Info().Msgf("---- User connecting to cluster ----")
 		unknownUserCount := 0
 		users := birdseye.GetConnectors(pods, apps)
 		for _, user := range users {
 			if user == birdseye.UnknownUser {
 				unknownUserCount++
 			} else {
-				log.Info().Msgf(user)
+				log.Info().Msgf("> %s", user)
 			}
 		}
 		if unknownUserCount > 0 {
-			log.Info().Msgf("%d unknown users", unknownUserCount)
+			log.Info().Msgf("%d users in total (including %d unknown users)",
+				len(users) + unknownUserCount, unknownUserCount)
+		} else {
+			log.Info().Msgf("%d users in total", len(users))
 		}
 	}
 
 	// service-name, service-description
 	allServices := birdseye.GetServiceStatus(ktSvcs, pods, svcs)
+	log.Info().Msgf("---- Service in namespace %s ----", opt.Get().Global.Namespace)
 	for _, svc := range allServices {
-		log.Info().Msgf("%s - %s", svc[0], svc[1])
+		log.Info().Msgf("> %s - %s", svc[0], svc[1])
 	}
 	return nil
 }

pkg/kt/command/birdseye/common.go

@@ -57,7 +57,7 @@ func GetServiceStatus(ktSvcs []coreV1.Service, pods []coreV1.Pod, svcs []coreV1.
 	for _, svc := range ktSvcs {
 		for _, p := range pods {
 			if p.Labels[util.KtRole] == util.RolePreviewShadow && util.MapContains(svc.Spec.Selector, p.Labels) {
-				allServices = append(allServices, []string{svc.Name, "previewing by " + getUserName(p)})
+				allServices = append(allServices, []string{svc.Name, fmt.Sprintf("previewing by [%s]", getUserName(p))})
 				break
 			}
 		}
@@ -67,7 +67,7 @@ func GetServiceStatus(ktSvcs []coreV1.Service, pods []coreV1.Pod, svcs []coreV1.
 		for _, p := range pods {
 			if util.MapContains(svc.Spec.Selector, p.Labels) {
 				if role := p.Labels[util.KtRole]; role == util.RoleExchangeShadow {
-					allServices = append(allServices, []string{svc.Name, "exchanged by " + getUserName(p)})
+					allServices = append(allServices, []string{svc.Name, fmt.Sprintf("exchanged by [%s]", getUserName(p))})
 					continue svcLoop
 				} else if role == util.RoleRouter {
 					allServices = append(allServices, []string{svc.Name, "meshed (auto) by " +
@@ -113,7 +113,7 @@ func getMeshedUserNames(svcs []coreV1.Service, pods []coreV1.Pod, namePrefix str
 	if len(users) == 0 {
 		return UnknownUser
 	}
-	return strings.Join(users, ", ")
+	return "[" + strings.Join(users, "], [") + "]"
 }
 
 func checkConnector(labels map[string]string, annotations map[string]string) string {