func runAPIService(cmd *cobra.Command, args []string) (exit int) {
// Set up the signal handler here so we can make sure the
// signals are caught after print the starting message.
signal.Notify(exitCh, syscall.SIGINT, syscall.SIGTERM)
log.Print("API service starting...")
tcpl, err := net.Listen("tcp", flagAPIServiceListenClientURL)
if err != nil {
stderr("api-service: %v", err)
return 1
}
defer tcpl.Close()
publicServer := grpc.NewServer() // TODO(yifan): Add TLS credential option.
v1AlphaAPIServer, err := newV1AlphaAPIServer()
if err != nil {
stderr("api-service: failed to create API service: %v", err)
return 1
}
v1alpha.RegisterPublicAPIServer(publicServer, v1AlphaAPIServer)
go publicServer.Serve(tcpl)
log.Printf("API service running on %v...", flagAPIServiceListenClientURL)
<-exitCh
log.Print("API service exiting...")
return
}
// Open one or more listening sockets, then start the gRPC server
func runAPIService(cmd *cobra.Command, args []string) (exit int) {
// Set up the signal handler here so we can make sure the
// signals are caught after print the starting message.
signal.Notify(exitCh, syscall.SIGINT, syscall.SIGTERM)
stderr.Print("API service starting...")
listeners, err := openAPISockets()
if err != nil {
stderr.PrintE("Failed to open sockets", err)
return 254
}
if len(listeners) == 0 { // This is unlikely...
stderr.Println("No sockets to listen to. Quitting.")
return 254
}
publicServer := grpc.NewServer() // TODO(yifan): Add TLS credential option.
v1AlphaAPIServer, err := newV1AlphaAPIServer()
if err != nil {
stderr.PrintE("failed to create API service", err)
return 254
}
v1alpha.RegisterPublicAPIServer(publicServer, v1AlphaAPIServer)
for _, l := range listeners {
defer l.Close()
go publicServer.Serve(l)
}
stderr.Printf("API service running")
<-exitCh
stderr.Print("API service exiting...")
return
}
