mikrotik: allow to set DNS, wip: handle routes in wg-controller

This commit is contained in:
Christoph Haas
2025-10-06 22:17:39 +02:00
parent 4d19f1d8bb
commit 1fc7e352ab
17 changed files with 394 additions and 831 deletions

View File

@@ -453,7 +453,7 @@ func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentif
return err
}
existingInterface, err := m.db.GetInterface(ctx, id)
existingInterface, existingPeers, err := m.db.GetInterfaceAndPeers(ctx, id)
if err != nil {
return fmt.Errorf("unable to find interface %s: %w", id, err)
}
@@ -468,15 +468,16 @@ func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentif
physicalInterface, _ := m.wg.GetController(*existingInterface).GetInterface(ctx, id)
if err := m.handleInterfacePreSaveHooks(existingInterface, !existingInterface.IsDisabled(), false); err != nil {
if err := m.handleInterfacePreSaveHooks(ctx, existingInterface, !existingInterface.IsDisabled(),
false); err != nil {
return fmt.Errorf("pre-delete hooks failed: %w", err)
}
if err := m.handleInterfacePreSaveActions(existingInterface); err != nil {
if err := m.handleInterfacePreSaveActions(ctx, existingInterface); err != nil {
return fmt.Errorf("pre-delete actions failed: %w", err)
}
if err := m.deleteInterfacePeers(ctx, id); err != nil {
if err := m.deleteInterfacePeers(ctx, existingInterface, existingPeers); err != nil {
return fmt.Errorf("peer deletion failure: %w", err)
}
@@ -493,11 +494,18 @@ func (m Manager) DeleteInterface(ctx context.Context, id domain.InterfaceIdentif
fwMark = physicalInterface.FirewallMark
}
m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
FwMark: fwMark,
Table: existingInterface.GetRoutingTable(),
Interface: *existingInterface,
AllowedIps: existingInterface.GetAllowedIPs(existingPeers),
FwMark: fwMark,
Table: existingInterface.GetRoutingTable(),
})
if err := m.handleInterfacePostSaveHooks(existingInterface, !existingInterface.IsDisabled(), false); err != nil {
if err := m.handleInterfacePostSaveHooks(
ctx,
existingInterface,
!existingInterface.IsDisabled(),
false,
); err != nil {
return fmt.Errorf("post-delete hooks failed: %w", err)
}
@@ -518,11 +526,11 @@ func (m Manager) saveInterface(ctx context.Context, iface *domain.Interface) (
oldEnabled, newEnabled := m.getInterfaceStateHistory(ctx, iface)
if err := m.handleInterfacePreSaveHooks(iface, oldEnabled, newEnabled); err != nil {
if err := m.handleInterfacePreSaveHooks(ctx, iface, oldEnabled, newEnabled); err != nil {
return nil, fmt.Errorf("pre-save hooks failed: %w", err)
}
if err := m.handleInterfacePreSaveActions(iface); err != nil {
if err := m.handleInterfacePreSaveActions(ctx, iface); err != nil {
return nil, fmt.Errorf("pre-save actions failed: %w", err)
}
@@ -575,14 +583,21 @@ func (m Manager) saveInterface(ctx context.Context, iface *domain.Interface) (
fwMark = physicalInterface.FirewallMark
}
m.bus.Publish(app.TopicRouteRemove, domain.RoutingTableInfo{
FwMark: fwMark,
Table: iface.GetRoutingTable(),
Interface: *iface,
AllowedIps: iface.GetAllowedIPs(peers),
FwMark: fwMark,
Table: iface.GetRoutingTable(),
})
} else {
m.bus.Publish(app.TopicRouteUpdate, "interface updated: "+string(iface.Identifier))
m.bus.Publish(app.TopicRouteUpdate, domain.RoutingTableInfo{
Interface: *iface,
AllowedIps: iface.GetAllowedIPs(peers),
FwMark: iface.FirewallMark,
Table: iface.GetRoutingTable(),
})
}
if err := m.handleInterfacePostSaveHooks(iface, oldEnabled, newEnabled); err != nil {
if err := m.handleInterfacePostSaveHooks(ctx, iface, oldEnabled, newEnabled); err != nil {
return nil, fmt.Errorf("post-save hooks failed: %w", err)
}
@@ -627,51 +642,83 @@ func (m Manager) getInterfaceStateHistory(ctx context.Context, iface *domain.Int
return !oldInterface.IsDisabled(), !iface.IsDisabled()
}
func (m Manager) handleInterfacePreSaveActions(iface *domain.Interface) error {
if !iface.IsDisabled() {
if err := m.quick.SetDNS(iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
return fmt.Errorf("failed to update dns settings: %w", err)
}
} else {
if err := m.quick.UnsetDNS(iface.Identifier); err != nil {
return fmt.Errorf("failed to clear dns settings: %w", err)
func (m Manager) handleInterfacePreSaveActions(ctx context.Context, iface *domain.Interface) error {
wgQuickController, ok := m.wg.GetController(*iface).(WgQuickController)
if !ok {
slog.Warn("failed to perform pre-save actions", "interface", iface.Identifier,
"error", "no capable controller found")
return nil
}
// update DNS settings only for client interfaces
if iface.Type == domain.InterfaceTypeClient || iface.Type == domain.InterfaceTypeAny {
if !iface.IsDisabled() {
if err := wgQuickController.SetDNS(ctx, iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
return fmt.Errorf("failed to update dns settings: %w", err)
}
} else {
if err := wgQuickController.UnsetDNS(ctx, iface.Identifier, iface.DnsStr, iface.DnsSearchStr); err != nil {
return fmt.Errorf("failed to clear dns settings: %w", err)
}
}
}
return nil
}
func (m Manager) handleInterfacePreSaveHooks(iface *domain.Interface, oldEnabled, newEnabled bool) error {
func (m Manager) handleInterfacePreSaveHooks(
ctx context.Context,
iface *domain.Interface,
oldEnabled, newEnabled bool,
) error {
if oldEnabled == newEnabled {
return nil // do nothing if state did not change
}
slog.Debug("executing pre-save hooks", "interface", iface.Identifier, "up", newEnabled)
wgQuickController, ok := m.wg.GetController(*iface).(WgQuickController)
if !ok {
slog.Warn("failed to execute pre-save hooks", "interface", iface.Identifier, "up", newEnabled,
"error", "no capable controller found")
return nil
}
if newEnabled {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PreUp); err != nil {
if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PreUp); err != nil {
return fmt.Errorf("failed to execute pre-up hook: %w", err)
}
} else {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PreDown); err != nil {
if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PreDown); err != nil {
return fmt.Errorf("failed to execute pre-down hook: %w", err)
}
}
return nil
}
func (m Manager) handleInterfacePostSaveHooks(iface *domain.Interface, oldEnabled, newEnabled bool) error {
func (m Manager) handleInterfacePostSaveHooks(
ctx context.Context,
iface *domain.Interface,
oldEnabled, newEnabled bool,
) error {
if oldEnabled == newEnabled {
return nil // do nothing if state did not change
}
slog.Debug("executing post-save hooks", "interface", iface.Identifier, "up", newEnabled)
wgQuickController, ok := m.wg.GetController(*iface).(WgQuickController)
if !ok {
slog.Warn("failed to execute post-save hooks", "interface", iface.Identifier, "up", newEnabled,
"error", "no capable controller found")
return nil
}
if newEnabled {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PostUp); err != nil {
if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PostUp); err != nil {
return fmt.Errorf("failed to execute post-up hook: %w", err)
}
} else {
if err := m.quick.ExecuteInterfaceHook(iface.Identifier, iface.PostDown); err != nil {
if err := wgQuickController.ExecuteInterfaceHook(ctx, iface.Identifier, iface.PostDown); err != nil {
return fmt.Errorf("failed to execute post-down hook: %w", err)
}
}
@@ -799,7 +846,7 @@ func (m Manager) getFreshListenPort(ctx context.Context) (port int, err error) {
func (m Manager) importInterface(
ctx context.Context,
backend InterfaceController,
backend domain.InterfaceController,
in *domain.PhysicalInterface,
peers []domain.PhysicalPeer,
) error {
@@ -901,13 +948,9 @@ func (m Manager) importPeer(ctx context.Context, in *domain.Interface, p *domain
return nil
}
func (m Manager) deleteInterfacePeers(ctx context.Context, id domain.InterfaceIdentifier) error {
iface, allPeers, err := m.db.GetInterfaceAndPeers(ctx, id)
if err != nil {
return err
}
func (m Manager) deleteInterfacePeers(ctx context.Context, iface *domain.Interface, allPeers []domain.Peer) error {
for _, peer := range allPeers {
err = m.wg.GetController(*iface).DeletePeer(ctx, id, peer.Identifier)
err := m.wg.GetController(*iface).DeletePeer(ctx, iface.Identifier, peer.Identifier)
if err != nil && !errors.Is(err, os.ErrNotExist) {
return fmt.Errorf("wireguard peer deletion failure for %s: %w", peer.Identifier, err)
}