nsupdate

internal/config/initialize.go

@@ -3,6 +3,7 @@ package config
 import (
 	"log"
 	"os"
+	"os/exec"
 	"time"
 )
 
@@ -32,6 +33,12 @@ func Init() {
 		os.Exit(1)
 	}
 
+	// check to see if nsupdate is installed
+	cmd := "command -v nsupdate"
+	if err := exec.Command("/usr/bin/sh", "-c", cmd).Run(); err != nil {
+		panic("nsupdate is not installed")
+	}
+
 	// print running config
 	printRunningConfig(&Cfg, cfgInfo)
 }