dev

Author: Your Name

README.md

@@ -124,4 +124,5 @@ vscode ➜ /workspaces/topoViewer (development ✗) go run go_cloudshellwrapper/
 ## Run TopoViewer Binary
 ```Shell
  [aarafat@nsp-clab1 topoViewer]$ sudo topoviewer clab --allowed-hostnames 149.204.21.68 --clab-user aarafat  --server-port 8087 --topology-file-json /home/aarafat/topoViewer/rawTopoFile/clab/nokia-MultiAccessGateway-lab/clab-nokia-MAGc-lab/topology-data.json
- ```
+ ```
+ 

go_cloudshellwrapper/cmdClab.go

@@ -11,6 +11,7 @@ import (
 	"strconv"
 	"strings"
 	"sync"
+	"syscall"
 	"time"
 
 	topoengine "github.com/asadarafat/topoViewer/go_topoengine"
@@ -169,7 +170,23 @@ func reader(conn *websocket.Conn) {
 	}
 }
 
+func checkSudoAccess() {
+	euid := syscall.Geteuid()
+
+	if euid == 0 {
+		log.Infof("Yo, this app is running with sudo access (as root).")
+	} else {
+		log.Infof("This app ain't got no sudo powers, bro.")
+		os.Exit(1)
+
+	}
+}
+
 func Clab(_ *cobra.Command, _ []string) error {
+
+	//check sudo
+	checkSudoAccess()
+
 	// initialise the cloudshellLogger
 	// tools.InitCloudShellLog(tools.Format(confClab.GetString("log-format")), tools.Level(confClab.GetString("log-level")))
 

go_cloudshellwrapper/cmdNsp.go

@@ -18,7 +18,7 @@ import (
 	xtermjs "github.com/asadarafat/topoViewer/go_xtermjs"
 	"github.com/usvc/go-config"
 
-	log "github.com/asadarafat/topoViewer/go_tools"
+	log "github.com/sirupsen/logrus"
 
 	"github.com/gorilla/mux"
 	"github.com/prometheus/client_golang/prometheus/promhttp"
@@ -505,7 +505,7 @@ func Nsp(_ *cobra.Command, _ []string) error {
 		sourceImageFolder := htmlStaticPrefixPath + "images"
 		destinationImageFolder := htmlPublicPrefixPath + "IetfTopology-L2" + "/images"
 		err := cp.Copy(sourceImageFolder, destinationImageFolder)
-		log.Debugf("Copying images folder error: ", err)
+		log.Debugf("Copying images folder error: %s", err)
 
 		// topoPrefixName := "NspIetfTopoLayer2" // should be added with NSP server ip address
 

go_cloudshellwrapper/utils.go

@@ -19,7 +19,7 @@ import (
 func FileExists(filename string) bool {
 	f, err := os.Stat(filename)
 	if err != nil {
-		log.Debug("error while trying to access file %v: %v", filename, err)
+		log.Debugf("error while trying to access file %v: %v", filename, err)
 		return false
 	}
 
@@ -67,14 +67,14 @@ func createMemoryLog() tools.Logger {
 
 func addIncomingRequestLogging(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		then := time.Now()
+		startTime := time.Now()
 		defer func() {
 			if recovered := recover(); recovered != nil {
 				createRequestLog(r).Info("request errored out")
 			}
 		}()
 		next.ServeHTTP(w, r)
-		duration := time.Now().Sub(then)
+		duration := time.Since(startTime)
 		createRequestLog(r).Infof("request completed in %vms", float64(duration.Nanoseconds())/1000000)
 	})
 }