pkg/netns: remove NewNSWithName()

This API is not used anywhere, as such remove it and make the loop in
NewNS() better as the netns dir parts should not be part of the loop.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

pkg/netns/netns_linux.go

@@ -62,12 +62,26 @@ func NewNSAtPath(nsPath string) (ns.NetNS, error) {
 // NewNS creates a new persistent (bind-mounted) network namespace and returns
 // an object representing that namespace, without switching to it.
 func NewNS() (ns.NetNS, error) {
+	nsRunDir, err := GetNSRunDir()
+	if err != nil {
+		return nil, err
+	}
+
+	// Create the directory for mounting network namespaces
+	// This needs to be a shared mountpoint in case it is mounted in to
+	// other namespaces (containers)
+	err = makeNetnsDir(nsRunDir)
+	if err != nil {
+		return nil, err
+	}
+
 	for i := 0; i < 10000; i++ {
 		nsName, err := getRandomNetnsName()
 		if err != nil {
 			return nil, err
 		}
-		ns, err := NewNSWithName(nsName)
+		nsPath := path.Join(nsRunDir, nsName)
+		ns, err := newNSPath(nsPath)
 		if err == nil {
 			return ns, nil
 		}
@@ -80,26 +94,6 @@ func NewNS() (ns.NetNS, error) {
 	return nil, errNoFreeName
 }
 
-// NewNSWithName creates a new persistent (bind-mounted) network namespace and returns
-// an object representing that namespace, without switching to it.
-func NewNSWithName(name string) (ns.NetNS, error) {
-	nsRunDir, err := GetNSRunDir()
-	if err != nil {
-		return nil, err
-	}
-
-	// Create the directory for mounting network namespaces
-	// This needs to be a shared mountpoint in case it is mounted in to
-	// other namespaces (containers)
-	err = makeNetnsDir(nsRunDir)
-	if err != nil {
-		return nil, err
-	}
-
-	nsPath := path.Join(nsRunDir, name)
-	return newNSPath(nsPath)
-}
-
 // NewNSFrom creates a persistent (bind-mounted) network namespace from the
 // given netns path, i.e. /proc/<pid>/ns/net, and returns the new full path to
 // the bind mounted file in the netns run dir.