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tsd: add package with System type to unify subsystem init, discovery

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This is part of an effort to clean up tailscaled initialization between
tailscaled, tailscaled Windows service, tsnet, and the mac GUI.

Updates #8036

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2023-05-03 13:57:17 -07:00
committed by Brad Fitzpatrick
parent 0d7303b798
commit 6e967446e4
26 changed files with 373 additions and 260 deletions
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20
tsnet/tsnet.go
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@ -47,6 +47,7 @@ import (
"tailscale.com/net/socks5"
"tailscale.com/net/tsdial"
"tailscale.com/smallzstd"
"tailscale.com/tsd"
"tailscale.com/types/logger"
"tailscale.com/types/logid"
"tailscale.com/types/nettype"
@ -482,23 +483,21 @@ func (s *Server) start() (reterr error) {
}
closePool.add(s.netMon)
sys := new(tsd.System)
s.dialer = &tsdial.Dialer{Logf: logf} // mutated below (before used)
eng, err := wgengine.NewUserspaceEngine(logf, wgengine.Config{
ListenPort: 0,
NetMon: s.netMon,
Dialer: s.dialer,
ListenPort: 0,
NetMon: s.netMon,
Dialer: s.dialer,
SetSubsystem: sys.Set,
})
if err != nil {
return err
}
closePool.add(s.dialer)
sys.Set(eng)
tunDev, magicConn, dns, ok := eng.(wgengine.InternalsGetter).GetInternals()
if !ok {
return fmt.Errorf("%T is not a wgengine.InternalsGetter", eng)
}
ns, err := netstack.Create(logf, tunDev, eng, magicConn, s.dialer, dns)
ns, err := netstack.Create(logf, sys.Tun.Get(), eng, sys.MagicSock.Get(), s.dialer, sys.DNSManager.Get())
if err != nil {
return fmt.Errorf("netstack.Create: %w", err)
}
@ -522,12 +521,13 @@ func (s *Server) start() (reterr error) {
return err
}
}
sys.Set(s.Store)
loginFlags := controlclient.LoginDefault
if s.Ephemeral {
loginFlags = controlclient.LoginEphemeral
}
lb, err := ipnlocal.NewLocalBackend(logf, s.logid, s.Store, s.dialer, eng, loginFlags)
lb, err := ipnlocal.NewLocalBackend(logf, s.logid, sys, loginFlags)
if err != nil {
return fmt.Errorf("NewLocalBackend: %v", err)
}