func callCoreCommand(args []string, theApp *cli.App) {
err := theApp.Run(args)
if err != nil {
os.Exit(1)
}
gateways := gatewaySliceFromMap(deps.gateways)
warningsCollector := net.NewWarningsCollector(deps.termUI, gateways...)
warningsCollector.PrintWarnings()
}
func main() {
defer handlePanics()
deps := setupDependencies()
defer deps.configRepo.Close()
cmdFactory := command_factory.NewFactory(deps.termUI, deps.configRepo, deps.manifestRepo, deps.apiRepoLocator)
requirementsFactory := requirements.NewFactory(deps.termUI, deps.configRepo, deps.apiRepoLocator)
cmdRunner := command_runner.NewRunner(cmdFactory, requirementsFactory)
app.NewApp(cmdRunner, cmdFactory.CommandMetadatas()...).Run(os.Args)
gateways := gatewaySliceFromMap(deps.gateways)
net.NewWarningsCollector(deps.termUI, gateways...).PrintWarnings()
}
func Main(traceEnv string, args []string) {
//handle `cf -v` for cf version
if len(args) == 2 && (args[1] == "-v" || args[1] == "--version") {
args[1] = "version"
}
//handles `cf`
if len(args) == 1 {
args = []string{args[0], "help"}
}
//handles `cf [COMMAND] -h ...`
//rearrange args to `cf help COMMAND` and let `command help` to print out usage
args = append([]string{args[0]}, handleHelp(args[1:])...)
newArgs, isVerbose := handleVerbose(args)
args = newArgs
errFunc := func(err error) {
if err != nil {
ui := terminal.NewUI(
os.Stdin,
Writer,
terminal.NewTeePrinter(Writer),
trace.NewLogger(Writer, isVerbose, traceEnv, ""),
)
ui.Failed(fmt.Sprintf("Config error: %s", err))
}
}
// Only used to get Trace, so our errorHandler doesn't matter, since it's not used
configPath, err := confighelpers.DefaultFilePath()
if err != nil {
errFunc(err)
}
config := coreconfig.NewRepositoryFromFilepath(configPath, errFunc)
defer config.Close()
traceConfigVal := config.Trace()
// Writer is assigned in writer_unix.go/writer_windows.go
traceLogger := trace.NewLogger(Writer, isVerbose, traceEnv, traceConfigVal)
deps := commandregistry.NewDependency(Writer, traceLogger, os.Getenv("CF_DIAL_TIMEOUT"))
defer handlePanics(args, deps.TeePrinter, deps.Logger)
defer deps.Config.Close()
//handle `cf --build`
if len(args) == 2 && (args[1] == "--build" || args[1] == "-b") {
deps.UI.Say(T("{{.CFName}} was built with Go version: {{.GoVersion}}",
map[string]interface{}{
"CFName": args[0],
"GoVersion": runtime.Version(),
}))
os.Exit(0)
}
warningProducers := []net.WarningProducer{}
for _, warningProducer := range deps.Gateways {
warningProducers = append(warningProducers, warningProducer)
}
warningsCollector := net.NewWarningsCollector(deps.UI, warningProducers...)
commandsloader.Load()
//run core command
cmdName := args[1]
cmd := cmdRegistry.FindCommand(cmdName)
if cmd != nil {
meta := cmd.MetaData()
flagContext := flags.NewFlagContext(meta.Flags)
flagContext.SkipFlagParsing(meta.SkipFlagParsing)
cmdArgs := args[2:]
err = flagContext.Parse(cmdArgs...)
if err != nil {
usage := cmdRegistry.CommandUsage(cmdName)
deps.UI.Failed(T("Incorrect Usage") + "\n\n" + err.Error() + "\n\n" + usage)
}
cmd = cmd.SetDependency(deps, false)
cmdRegistry.SetCommand(cmd)
requirementsFactory := requirements.NewFactory(deps.Config, deps.RepoLocator)
reqs := cmd.Requirements(requirementsFactory, flagContext)
for _, req := range reqs {
err = req.Execute()
if err != nil {
deps.UI.Failed(err.Error())
}
}
err = cmd.Execute(flagContext)
if err != nil {
ui := terminal.NewUI(os.Stdin, Writer, terminal.NewTeePrinter(Writer), traceLogger)
ui.Failed(err.Error())
}
warningsCollector.PrintWarnings()
os.Exit(0)
}
//non core command, try plugin command
server := netrpc.NewServer()
rpcService, err := rpc.NewRpcService(deps.TeePrinter, deps.TeePrinter, deps.Config, deps.RepoLocator, rpc.NewCommandRunner(), deps.Logger, Writer, server)
if err != nil {
deps.UI.Say(T("Error initializing RPC service: ") + err.Error())
os.Exit(1)
}
pluginPath := filepath.Join(confighelpers.PluginRepoDir(), ".cf", "plugins")
pluginConfig := pluginconfig.NewPluginConfig(
func(err error) {
deps.UI.Failed(fmt.Sprintf("Error read/writing plugin config: %s, ", err.Error()))
},
configuration.NewDiskPersistor(filepath.Join(pluginPath, "config.json")),
pluginPath,
)
pluginList := pluginConfig.Plugins()
ran := rpc.RunMethodIfExists(rpcService, args[1:], pluginList)
if !ran {
deps.UI.Say("'" + args[1] + T("' is not a registered command. See 'cf help'"))
suggestCommands(cmdName, deps.UI, append(cmdRegistry.ListCommands(), pluginConfig.ListCommands()...))
os.Exit(1)
}
}
AfterEach(func() {
os.Setenv("CF_RAISE_ERROR_ON_WARNINGS", oldRaiseErrorValue)
})
Context("when the CF_RAISE_ERROR_ON_WARNINGS environment variable is set", func() {
BeforeEach(func() {
os.Setenv("CF_RAISE_ERROR_ON_WARNINGS", "true")
})
Context("when there are warnings", func() {
BeforeEach(func() {
warning_producer_one := testnet.NewWarningProducer([]string{"Hello", "Darling"})
warning_producer_two := testnet.NewWarningProducer([]string{"Goodbye", "Sweetie"})
warning_producer_three := testnet.NewWarningProducer(nil)
warningsCollector = net.NewWarningsCollector(ui, warning_producer_one, warning_producer_two, warning_producer_three)
})
It("panics with an error that contains all the warnings", func() {
Expect(warningsCollector.PrintWarnings).To(Panic())
})
})
Context("when there are no warnings", func() {
BeforeEach(func() {
warningsCollector = net.NewWarningsCollector(ui)
})
It("does not panic", func() {
Expect(warningsCollector.PrintWarnings).NotTo(Panic())
})
func main() {
defer handlePanics(deps.TeePrinter)
defer deps.Config.Close()
//handles `cf` | `cf -h` || `cf -help`
if len(os.Args) == 1 || os.Args[1] == "--help" || os.Args[1] == "-help" ||
os.Args[1] == "--h" || os.Args[1] == "-h" {
help.ShowHelp(help.GetHelpTemplate())
os.Exit(0)
}
//handle `cf -v` for cf version
if len(os.Args) == 2 && (os.Args[1] == "-v" || os.Args[1] == "--version") {
deps.Ui.Say(os.Args[0] + " version " + cf.Version + "-" + cf.BuiltOnDate)
os.Exit(0)
}
//handle `cf --build`
if len(os.Args) == 2 && (os.Args[1] == "--build" || os.Args[1] == "-b") {
deps.Ui.Say(T("{{.CFName}} was built with Go version: {{.GoVersion}}",
map[string]interface{}{
"CFName": os.Args[0],
"GoVersion": runtime.Version(),
}))
os.Exit(0)
}
//handles `cf [COMMAND] -h ...`
//rearrage args to `cf help COMMAND` and let `command help` to print out usage
if requestHelp(os.Args[2:]) {
os.Args[2] = os.Args[1]
os.Args[1] = "help"
}
warningProducers := []net.WarningProducer{}
for _, warningProducer := range deps.Gateways {
warningProducers = append(warningProducers, warningProducer)
}
warningsCollector := net.NewWarningsCollector(deps.Ui, warningProducers...)
commands_loader.Load()
//run core command
cmdName := os.Args[1]
cmd := cmdRegistry.FindCommand(cmdName)
if cmd != nil {
meta := cmd.MetaData()
flagContext := flags.NewFlagContext(meta.Flags)
flagContext.SkipFlagParsing(meta.SkipFlagParsing)
cmdArgs := os.Args[2:]
err := flagContext.Parse(cmdArgs...)
if err != nil {
usage := cmdRegistry.CommandUsage(cmdName)
deps.Ui.Failed("Incorrect Usage\n\n" + err.Error() + "\n\n" + usage)
}
cmd = cmd.SetDependency(deps, false)
cmdRegistry.SetCommand(cmd)
requirementsFactory := requirements.NewFactory(deps.Ui, deps.Config, deps.RepoLocator)
reqs, err := cmd.Requirements(requirementsFactory, flagContext)
if err != nil {
deps.Ui.Failed(err.Error())
}
for _, req := range reqs {
req.Execute()
}
cmd.Execute(flagContext)
warningsCollector.PrintWarnings()
os.Exit(0)
}
//non core command, try plugin command
rpcService := newCliRpcServer(deps.TeePrinter, deps.TeePrinter)
pluginConfig := plugin_config.NewPluginConfig(func(err error) {
deps.Ui.Failed(fmt.Sprintf("Error read/writing plugin config: %s, ", err.Error()))
})
pluginList := pluginConfig.Plugins()
ran := rpc.RunMethodIfExists(rpcService, os.Args[1:], pluginList)
if !ran {
deps.Ui.Say("'" + os.Args[1] + T("' is not a registered command. See 'cf help'"))
os.Exit(1)
}
}