Files
gluetun/internal/routing/routes.go
Quentin McGaw 38ddcfa756 chore(netlink): define own types with minimal fields
- Allow to swap `github.com/vishvananda/netlink`
- Allow to add build tags for each platform
- One step closer to development on non-Linux platforms
2023-05-29 06:44:58 +00:00

66 lines
1.6 KiB
Go

package routing
import (
"fmt"
"net/netip"
"strconv"
"github.com/qdm12/gluetun/internal/netlink"
)
func (r *Routing) addRouteVia(destination netip.Prefix, gateway netip.Addr,
iface string, table int) error {
destinationStr := destination.String()
r.logger.Info("adding route for " + destinationStr)
r.logger.Debug("ip route replace " + destinationStr +
" via " + gateway.String() +
" dev " + iface +
" table " + strconv.Itoa(table))
link, err := r.netLinker.LinkByName(iface)
if err != nil {
return fmt.Errorf("finding link for interface %s: %w", iface, err)
}
route := netlink.Route{
Dst: destination,
Gw: gateway,
LinkIndex: link.Index,
Table: table,
}
if err := r.netLinker.RouteReplace(route); err != nil {
return fmt.Errorf("replacing route for subnet %s at interface %s: %w",
destinationStr, iface, err)
}
return nil
}
func (r *Routing) deleteRouteVia(destination netip.Prefix, gateway netip.Addr,
iface string, table int) (err error) {
destinationStr := destination.String()
r.logger.Info("deleting route for " + destinationStr)
r.logger.Debug("ip route delete " + destinationStr +
" via " + gateway.String() +
" dev " + iface +
" table " + strconv.Itoa(table))
link, err := r.netLinker.LinkByName(iface)
if err != nil {
return fmt.Errorf("finding link for interface %s: %w", iface, err)
}
route := netlink.Route{
Dst: destination,
Gw: gateway,
LinkIndex: link.Index,
Table: table,
}
if err := r.netLinker.RouteDel(route); err != nil {
return fmt.Errorf("deleting route: for subnet %s at interface %s: %w",
destinationStr, iface, err)
}
return nil
}