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f-21: code: use ebtable parse

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Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-04-26 15:04:45 +02:00
commit 396f2842e5
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
2 changed files with 17 additions and 33 deletions
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26
internal/subnet/delete.go
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@ -3,9 +3,9 @@ package subnet
import (
"fmt"
"os"
"os/exec"
"strings"
"git.g3e.fr/syonad/two/internal/ebtables"
"git.g3e.fr/syonad/two/internal/netif"
"git.g3e.fr/syonad/two/internal/netns"
"git.g3e.fr/syonad/two/pkg/db/kv"
@ -33,6 +33,11 @@ func DeleteSubnet(db *badger.DB, subnetName string) error {
return fmt.Errorf("get vxlan_id: %w", err)
}
gatewayIP, err := kv.GetFromDB(db, "subnet/"+subnetName+"/gateway_ip")
if err != nil {
return fmt.Errorf("get gateway_ip: %w", err)
}
subnetID := strings.SplitN(subnetName, "-", 2)[1]
bridge := "br-" + subnetID
vxlanIface := "vxlan-" + vxlanIDStr
@ -55,19 +60,12 @@ func DeleteSubnet(db *badger.DB, subnetName string) error {
}
// suppression des règles ebtables
exec.Command("ebtables", "-D", "FORWARD",
"--out-interface", bridge,
"-p", "arp",
"--arp-op", "Request",
"-j", "DROP").Run()
exec.Command("ebtables", "-D", "FORWARD",
"--out-interface", bridge,
"-p", "IPv4",
"--ip-protocol", "udp",
"--ip-source-port", "67:68",
"--ip-destination-port", "67:68",
"-j", "DROP").Run()
if err := ebtables.DeleteARPToGateway(bridge, gatewayIP); err != nil {
return fmt.Errorf("delete ebtables arp rule: %w", err)
}
if err := ebtables.DeleteDHCP(bridge); err != nil {
return fmt.Errorf("delete ebtables dhcp rule: %w", err)
}
// suppression du bridge dans le netns VPC
if err := netns.Call(vpcName, func() error {