f-10: code: add create and delete netns #10

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/netns/exist.go

@@ -0,0 +1,14 @@
+package netns
+
+import (
+	"os"
+)
+
+func exist(name string) bool {
+	_, err := os.Stat("/var/run/netns/" + name)
+	return err == nil
+}
+
+func Exist(name string) bool {
+	return exist(name)
+}