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tsnet: clarify that ListenService starts the server if necessary

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Every other listen method on tsnet.Server makes this clarification, so
should ListenService.

Fixes tailscale/corp#36207
Signed-off-by: Harry Harpham <harry@tailscale.com>
This commit is contained in:
Harry Harpham
2026-01-22 13:05:37 -07:00
parent 151644f647
commit c062230cce
1 changed files with 2 additions and 0 deletions
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tsnet/tsnet.go
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@@ -1410,6 +1410,8 @@ var ErrUntaggedServiceHost = errors.New("service hosts must be tagged nodes")
// To advertise a Service with multiple ports, run ListenService multiple times. // To advertise a Service with multiple ports, run ListenService multiple times.
// For more information about Services, see // For more information about Services, see
// https://tailscale.com/kb/1552/tailscale-services // https://tailscale.com/kb/1552/tailscale-services
//
// This function will start the server if it is not already started.
func (s *Server) ListenService(name string, mode ServiceMode) (*ServiceListener, error) { func (s *Server) ListenService(name string, mode ServiceMode) (*ServiceListener, error) {
if err := tailcfg.ServiceName(name).Validate(); err != nil { if err := tailcfg.ServiceName(name).Validate(); err != nil {
return nil, err return nil, err