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add missing error-catching 

refs #5
This commit is contained in:
Leo Antunes 2019-07-29 19:20:25 +02:00
parent 2edf641c46
commit c6e052c78f
1 changed files with 15 additions and 6 deletions
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21
wireguard.go
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@ -85,22 +85,31 @@ func (wg *wgState) setUpInterface(nodes []node) error {
if err != nil {
return errors.Wrap(err, "error converting received node information to wireguard format")
}
wg.client.ConfigureDevice(wg.iface, wgtypes.Config{
if err := wg.client.ConfigureDevice(wg.iface, wgtypes.Config{
PrivateKey: &wg.PrivKey,
ListenPort: &wg.Port,
ReplacePeers: true,
Peers: peerCfgs,
})
}); err != nil {
return errors.Wrapf(err, "could not set wireguard configuration for %s", wg.iface)
}
link, err := netlink.LinkByName(wg.iface)
if err != nil {
return errors.Wrapf(err, "could not get link information for %s", wg.iface)
}
netlink.AddrReplace(link, &netlink.Addr{
if err := netlink.AddrReplace(link, &netlink.Addr{
IPNet: &wg.OverlayAddr,
})
netlink.LinkSetMTU(link, 1420) // TODO: make MTU configurable?
netlink.LinkSetUp(link)
}); err != nil {
return errors.Wrapf(err, "could not set address for %s", wg.iface)
}
// TODO: make MTU configurable?
if err := netlink.LinkSetMTU(link, 1420); err != nil {
return errors.Wrapf(err, "could not set MTU for %s", wg.iface)
}
if err := netlink.LinkSetUp(link); err != nil {
return errors.Wrapf(err, "could not enable interface %s", wg.iface)
}
for _, node := range nodes {
netlink.RouteAdd(&netlink.Route{
LinkIndex: link.Attrs().Index,