cilium/cmd: erroring if cilium monitor runs without root

Signed-off-by: André Martins <andre@cilium.io>
cilium · Mar 22, 2017 · 38b4a13 · 38b4a13
1 parent a349533
commit 38b4a13
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/cilium/cmd/monitor.go b/cilium/cmd/monitor.go
@@ -94,6 +94,11 @@ func receiveEvent(msg *bpf.PerfEventSample, cpu int) {
 }
 
 func runMonitor() {
+	if os.Getuid() != 0 {
+		fmt.Fprintf(os.Stderr, "Please run the monitor with root privileges.\n")
+		os.Exit(1)
+	}
+
 	events, err := bpf.NewPerCpuEvents(&eventConfig)
 	if err != nil {
 		panic(err)