f-33: vm: start vms with multiple nic
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Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-08-25 23:12:55 +02:00
commit 26d5805747
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
8 changed files with 309 additions and 25 deletions

View file

@ -1,8 +1,10 @@
package dhcp
import (
"net"
"os"
"path/filepath"
"strings"
"testing"
)
@ -124,3 +126,103 @@ func TestUnitName(t *testing.T) {
t.Errorf("unit attendue dnsmasq@%s.service, obtenu %s", subName, got)
}
}
// --- options par interface ---
func TestWriteReservations_WithTags(t *testing.T) {
dir := t.TempDir()
res := []Reservation{
{MAC: "00:22:33:00:01:02", IP: "10.1.1.2", Tag: "i-web-0"},
{MAC: "00:22:33:00:02:07", IP: "10.1.2.7", Tag: "i-web-1"},
}
if err := WriteReservations(dir, subName, "i-web", res); err != nil {
t.Fatalf("WriteReservations : %v", err)
}
content, _ := os.ReadFile(filepath.Join(HostsDir(dir, subName), "i-web"))
want := "00:22:33:00:01:02,10.1.1.2,set:i-web-0\n00:22:33:00:02:07,10.1.2.7,set:i-web-1\n"
if string(content) != want {
t.Errorf("attendu %q, obtenu %q", want, content)
}
}
func vmOptions(t *testing.T, dir string, tags []string, vpcRoute *net.IPNet) string {
t.Helper()
if err := WriteVMOptions(dir, subName, "i-web", tags, Config{
InterfaceIP: net.ParseIP("10.1.1.1").To4(),
VPCRoute: vpcRoute,
}); err != nil {
t.Fatalf("WriteVMOptions : %v", err)
}
b, err := os.ReadFile(filepath.Join(OptsDir(dir, subName), "i-web"))
if err != nil {
return ""
}
return string(b)
}
func TestWriteVMOptions_SuppressesDefaultRoute(t *testing.T) {
_, vpcNet, _ := net.ParseCIDR("192.168.0.0/16")
got := vmOptions(t, t.TempDir(), []string{"i-web-1"}, vpcNet)
if !strings.Contains(got, "tag:i-web-1,3\n") {
t.Errorf("l'option 3 nue doit supprimer la route par défaut :\n%s", got)
}
if strings.Contains(got, "0.0.0.0/0") {
t.Errorf("la route par défaut ne doit pas figurer dans l'override :\n%s", got)
}
}
func TestWriteVMOptions_ReEmitsMetadataRoute(t *testing.T) {
_, vpcNet, _ := net.ParseCIDR("192.168.0.0/16")
got := vmOptions(t, t.TempDir(), []string{"i-web-1"}, vpcNet)
if !strings.Contains(got, "169.254.169.254/32,10.1.1.1") {
t.Errorf("un override de l'option 121 remplace la précédente en entier : sans la route metadata, la VM ne se provisionne pas\n%s", got)
}
if !strings.Contains(got, "192.168.0.0/16,10.1.1.1") {
t.Errorf("la route VPC doit être réémise elle aussi :\n%s", got)
}
}
func TestWriteVMOptions_BridgeHasNoVPCRoute(t *testing.T) {
got := vmOptions(t, t.TempDir(), []string{"i-web-1"}, nil)
if !strings.Contains(got, "169.254.169.254/32") {
t.Errorf("route metadata absente :\n%s", got)
}
if strings.Contains(got, "192.168") {
t.Errorf("aucune route VPC attendue en mode bridge :\n%s", got)
}
}
func TestWriteVMOptions_OneBlockPerTag(t *testing.T) {
got := vmOptions(t, t.TempDir(), []string{"i-web-1", "i-web-2"}, nil)
for _, tag := range []string{"tag:i-web-1,3", "tag:i-web-2,3"} {
if !strings.Contains(got, tag) {
t.Errorf("%q absent :\n%s", tag, got)
}
}
}
func TestWriteVMOptions_NoTagRemovesFile(t *testing.T) {
dir := t.TempDir()
_ = vmOptions(t, dir, []string{"i-web-1"}, nil)
if err := WriteVMOptions(dir, subName, "i-web", nil, Config{}); err != nil {
t.Fatalf("WriteVMOptions : %v", err)
}
if _, err := os.Stat(filepath.Join(OptsDir(dir, subName), "i-web")); !os.IsNotExist(err) {
t.Error("sans interface non primaire, aucun fichier d'options ne doit subsister")
}
}
func TestWriteVMOptions_RefusesDefaultGateway(t *testing.T) {
err := WriteVMOptions(t.TempDir(), subName, "i-web", []string{"i-web-1"}, Config{
InterfaceIP: net.ParseIP("10.1.1.1").To4(),
DefaultGateway: net.ParseIP("10.1.1.254").To4(),
})
if err == nil {
t.Error("ces options servent à retirer la route par défaut : en porter une est une incohérence")
}
}