f-14: fix: rename interface in delete vpc

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

internal/netns/call_other.go

@@ -2,6 +2,6 @@
 
 package netns
 
-func call(name string, fn func() error) error {
+func call(_ string, fn func() error) error {
 	return fn()
 }

internal/netns/create_linux.go

@@ -3,12 +3,17 @@
 package netns
 
 import (
+	"fmt"
 	"os"
+	"runtime"
 
 	"golang.org/x/sys/unix"
 )
 
 func create(name string) error {
+	runtime.LockOSThread()
+	defer runtime.UnlockOSThread()
+
 	base := "/var/run/netns"
 	path := base + "/" + name
 
@@ -16,6 +21,12 @@ func create(name string) error {
 		return err
 	}
 
+	// si le fichier existe déjà, le démonter d'abord
+	if _, err := os.Stat(path); err == nil {
+		unix.Unmount(path, unix.MNT_DETACH)
+		os.Remove(path)
+	}
+
 	// fichier cible
 	f, err := os.Create(path)
 	if err != nil {
@@ -35,9 +46,12 @@ func create(name string) error {
 		return err
 	}
 
-	// bind mount du netns courant vers /var/run/netns/<name>
+	// bind mount du netns du thread courant vers /var/run/netns/<name>
+	// /proc/self/ns/net pointe vers le ns du processus (thread principal),
+	// pas du thread courant — il faut utiliser le tid explicitement
+	threadNsPath := fmt.Sprintf("/proc/self/task/%d/ns/net", unix.Gettid())
 	if err := unix.Mount(
-		"/proc/self/ns/net",
+		threadNsPath,
 		path,
 		"",
 		unix.MS_BIND,

internal/vpc/create.go

@@ -22,7 +22,7 @@ func CreateVPC(db *badger.DB, name string) error {
 		}
 
 		// create veth public for this netns
-		if err := netif.CreateVethToNetns("veth"+name+"ext", "vethpublicint", "/var/run/netns/"+name, 9000); err != nil {
+		if err := netif.CreateVethToNetns("vp-"+name+"-e", "vp-public-i", "/var/run/netns/"+name, 9000); err != nil {
 			return err
 		}
 
@@ -34,24 +34,24 @@ func CreateVPC(db *badger.DB, name string) error {
 		}
 
 		// set veth to ext public bridge
-		if err := netif.BridgeSetMaster("veth"+name+"ext", "br-public"); err != nil {
+		if err := netif.BridgeSetMaster("vp-"+name+"-e", "br-public"); err != nil {
 			return err
 		}
 
 		// set veth to int public bridge
 		if err := netns.Call(name, func() error {
-			return netif.BridgeSetMaster("vethpublicint", "br-public")
+			return netif.BridgeSetMaster("vp-public-i", "br-public")
 		}); err != nil {
 			return err
 		}
 
 		// set set ext veth up
-		if err := netif.LinkSetUp("veth" + name + "ext"); err != nil {
-			return nil
+		if err := netif.LinkSetUp("vp-" + name + "-e"); err != nil {
+			return err
 		}
 		// set set int veth up
 		if err := netns.Call(name, func() error {
-			return netif.LinkSetUp("vethpublicint")
+			return netif.LinkSetUp("vp-public-i")
 		}); err != nil {
 			return err
 		}

internal/vpc/delete.go

@@ -12,7 +12,7 @@ func DeleteVPC(db *badger.DB, name string) error {
 	if state, err := kv.GetFromDB(db, "vpc/"+name+"/state"); err != nil {
 		return err
 	} else if state == "deleting" {
-		if err := netif.DeleteLink(name + "-ext"); err != nil {
+		if err := netif.DeleteLink("vp-" + name + "-e"); err != nil {
 			return err
 		}