func MakeCliApp(
diegoVersion string,
latticeVersion string,
ltcConfigRoot string,
exitHandler exit_handler.ExitHandler,
config *config.Config,
logger lager.Logger,
receptorClientCreator receptor_client.Creator,
targetVerifier target_verifier.TargetVerifier,
cliStdout io.Writer,
) *cli.App {
config.Load()
app := cli.NewApp()
app.Name = AppName
app.Author = latticeCliAuthor
app.Version = defaultVersion(diegoVersion, latticeVersion)
app.Usage = LtcUsage
app.Email = "*****@*****.**"
ui := terminal.NewUI(os.Stdin, cliStdout, password_reader.NewPasswordReader(exitHandler))
app.Writer = ui
app.Before = func(context *cli.Context) error {
args := context.Args()
command := app.Command(args.First())
if command == nil {
return nil
}
if _, ok := nonTargetVerifiedCommandNames[command.Name]; ok || len(args) == 0 {
return nil
}
if receptorUp, authorized, err := targetVerifier.VerifyTarget(config.Receptor()); !receptorUp {
ui.SayLine(fmt.Sprintf("Error connecting to the receptor. Make sure your lattice target is set, and that lattice is up and running.\n\tUnderlying error: %s", err.Error()))
return err
} else if !authorized {
ui.SayLine("Could not authenticate with the receptor. Please run ltc target with the correct credentials.")
return errors.New("Could not authenticate with the receptor.")
}
return nil
}
app.Action = defaultAction
app.CommandNotFound = func(c *cli.Context, command string) {
ui.SayLine(fmt.Sprintf(unknownCommand, command))
exitHandler.Exit(1)
}
app.Commands = cliCommands(ltcConfigRoot, exitHandler, config, logger, receptorClientCreator, targetVerifier, ui)
return app
}
go exitHandler.Run()
exitHandler.OnExit(func() {
buffer.Write([]byte("handler1 "))
})
exitHandler.OnExit(func() {
buffer.Write([]byte("handler2 "))
})
})
Context("Signals", func() {
It("Executes exit handlers on os.Interupts", func() {
signalChan <- os.Interrupt
Eventually(buffer).Should(gbytes.Say("handler1 handler2 Exit-Code=160"))
})
It("Executes exit handlers on SIGTERM", func() {
signalChan <- syscall.SIGTERM
Eventually(buffer).Should(gbytes.Say("handler1 handler2 Exit-Code=160"))
})
})
Describe("Exit", func() {
It("triggers a system exit after calling all the exit funcs ", func() {
exitHandler.Exit(222)
Eventually(buffer).Should(gbytes.Say("handler1 handler2 Exit-Code=222"))
})
})
})
