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f-33: net: add multi net in dispatch et vms #33

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Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-08-25 22:48:13 +02:00
commit 0237acba81
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
15 changed files with 753 additions and 146 deletions
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110
internal/vm/data_test.go
View file

@ -1,6 +1,8 @@
package vm
import (
"fmt"
"strconv"
"testing"
"git.g3e.fr/syonad/two/pkg/db/kv"
@ -12,11 +14,12 @@ func newVMInDB(t *testing.T) *badger.DB {
db := kv.InitDB(kv.Config{Path: t.TempDir()}, false)
t.Cleanup(func() { db.Close() })
kv.AddInDB(db, "vm/vm-1/subnet", "sn-000001")
kv.AddInDB(db, "vm/vm-1/nic/0/subnet", "sn-000001")
kv.AddInDB(db, "vm/vm-1/nic/0/primary", "true")
kv.AddInDB(db, "subnet/sn-000001/vpc", "vp-admin")
kv.AddInDB(db, "subnet/sn-000001/interface_ip", "10.1.1.1")
kv.AddInDB(db, "subnet/sn-000001/dhcp/10.1.1.2", "00:22:33:00:01:02")
kv.AddInDB(db, "vm/vm-1/ip", "10.1.1.2")
kv.AddInDB(db, "vm/vm-1/nic/0/ip", "10.1.1.2")
kv.AddInDB(db, "vm/vm-1/metadata_port", "8081")
kv.AddInDB(db, "vm/vm-1/disk/vda", "/data/root.qcow2")
kv.AddInDB(db, "vm/vm-1/memory", "2048")
@ -88,3 +91,106 @@ func TestLoadVM_EmptyDocumentIsPreserved(t *testing.T) {
t.Errorf("contenu attendu vide, obtenu %q", content)
}
}
// --- multi-interfaces ---
func addNIC(t *testing.T, db *badger.DB, idx int, subnet, ip, mac string, primary bool) {
t.Helper()
prefix := fmt.Sprintf("vm/vm-1/nic/%d/", idx)
kv.AddInDB(db, prefix+"subnet", subnet)
kv.AddInDB(db, prefix+"ip", ip)
if primary {
kv.AddInDB(db, prefix+"primary", "true")
}
kv.AddInDB(db, "subnet/"+subnet+"/vpc", "vp-admin")
kv.AddInDB(db, "subnet/"+subnet+"/interface_ip", "10.1.1.1")
kv.AddInDB(db, "subnet/"+subnet+"/dhcp/"+ip, mac)
}
func TestLoadVM_SingleNIC(t *testing.T) {
d, err := loadVM(newVMInDB(t), "vm-1")
if err != nil {
t.Fatalf("loadVM : %v", err)
}
if len(d.nics) != 1 {
t.Fatalf("1 interface attendue, obtenu %d", len(d.nics))
}
if !d.primary().primary || d.primary().ip != "10.1.1.2" {
t.Errorf("primaire inattendue : %+v", d.primary())
}
}
func TestLoadVM_MultipleNICsSortedByIndex(t *testing.T) {
db := newVMInDB(t)
addNIC(t, db, 2, "sn-000003", "10.3.0.9", "00:22:33:00:03:09", false)
addNIC(t, db, 1, "sn-000002", "10.2.0.5", "00:22:33:00:02:05", false)
d, err := loadVM(db, "vm-1")
if err != nil {
t.Fatalf("loadVM : %v", err)
}
if len(d.nics) != 3 {
t.Fatalf("3 interfaces attendues, obtenu %d", len(d.nics))
}
for i, n := range d.nics {
if n.index != i {
t.Errorf("interface en position %d porte l'index %d — l'ordre détermine le slot PCI", i, n.index)
}
}
}
func TestLoadVM_TapAllocatedPerNIC(t *testing.T) {
db := newVMInDB(t)
addNIC(t, db, 1, "sn-000002", "10.2.0.5", "00:22:33:00:02:05", false)
d, err := loadVM(db, "vm-1")
if err != nil {
t.Fatalf("loadVM : %v", err)
}
if d.nics[0].tapID == d.nics[1].tapID {
t.Errorf("deux interfaces partagent le tap %d", d.nics[0].tapID)
}
for _, n := range d.nics {
stored, err := kv.GetFromDB(db, fmt.Sprintf("vm/vm-1/nic/%d/tap_id", n.index))
if err != nil {
t.Errorf("tap_id de l'interface %d non persisté : %v", n.index, err)
continue
}
if stored != strconv.Itoa(n.tapID) {
t.Errorf("tap_id de l'interface %d : %q en base, %d en mémoire", n.index, stored, n.tapID)
}
}
}
func TestLoadVM_NoPrimaryIsAnError(t *testing.T) {
db := kv.InitDB(kv.Config{Path: t.TempDir()}, false)
t.Cleanup(func() { db.Close() })
kv.AddInDB(db, "vm/vm-1/metadata_port", "8081")
kv.AddInDB(db, "vm/vm-1/disk/vda", "/data/root.qcow2")
kv.AddInDB(db, "vm/vm-1/memory", "2048")
kv.AddInDB(db, "vm/vm-1/cpus", "2")
addNIC(t, db, 0, "sn-000001", "10.1.1.2", "00:22:33:00:01:02", false)
if _, err := loadVM(db, "vm-1"); err == nil {
t.Error("aucune interface primaire : loadVM doit échouer plutôt que de laisser StartVM choisir au hasard")
}
}
func TestLoadVM_TwoPrimariesIsAnError(t *testing.T) {
db := newVMInDB(t)
addNIC(t, db, 1, "sn-000002", "10.2.0.5", "00:22:33:00:02:05", true)
if _, err := loadVM(db, "vm-1"); err == nil {
t.Error("deux interfaces primaires doivent être refusées")
}
}
func TestLoadVM_NoNICIsAnError(t *testing.T) {
db := kv.InitDB(kv.Config{Path: t.TempDir()}, false)
t.Cleanup(func() { db.Close() })
kv.AddInDB(db, "vm/vm-1/memory", "2048")
if _, err := loadVM(db, "vm-1"); err == nil {
t.Error("une VM sans interface doit être refusée")
}
}