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Improve TUN setup logging (#1093) (#1095)

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Co-authored-by: Neil Alexander <neilalexander@users.noreply.github.com>
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Neil 2023-11-04 17:56:52 +00:00 • committed by GitHub
parent 6a9c90d3eb
commit ae997a5acb
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4 changed files with 16 additions and 15 deletions
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12
src/tun/tun_linux.go
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@ -19,7 +19,7 @@ func (tun *TunAdapter) setup(ifname string, addr string, mtu uint64) error {
}
iface, err := wgtun.CreateTUN(ifname, int(mtu))
if err != nil {
panic(err)
return fmt.Errorf("failed to create TUN: %w", err)
}
tun.iface = iface
if mtu, err := iface.MTU(); err == nil {
@ -45,20 +45,20 @@ func (tun *TunAdapter) setupFD(fd int32, addr string, mtu uint64) error {
func (tun *TunAdapter) setupAddress(addr string) error {
nladdr, err := netlink.ParseAddr(addr)
if err != nil {
return err
return fmt.Errorf("couldn't parse address %q: %w", addr, err)
}
nlintf, err := netlink.LinkByName(tun.Name())
if err != nil {
return err
return fmt.Errorf("failed to find link by name: %w", err)
}
if err := netlink.AddrAdd(nlintf, nladdr); err != nil {
return err
return fmt.Errorf("failed to add address to link: %w", err)
}
if err := netlink.LinkSetMTU(nlintf, int(tun.mtu)); err != nil {
return err
return fmt.Errorf("failed to set link MTU: %w", err)
}
if err := netlink.LinkSetUp(nlintf); err != nil {
return err
return fmt.Errorf("failed to bring link up: %w", err)
}
// Friendly output
tun.log.Infof("Interface name: %s", tun.Name())