How to use ShutdownClones method of internal Package

Best Ginkgo code snippet using internal.ShutdownClones

output_interceptor.go

Source:output_interceptor.go Github

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...74type interceptorImplementation interface {75 CreateStdoutStderrClones() (*os.File, *os.File)76 ConnectPipeToStdoutStderr(*os.File)77 RestoreStdoutStderrFromClones(*os.File, *os.File)78 ShutdownClones(*os.File, *os.File)79}80type genericOutputInterceptor struct {81 intercepting bool82 stdoutClone *os.File83 stderrClone *os.File84 pipe pipePair85 shutdown chan interface{}86 emergencyBailout chan interface{}87 pipeChannel chan pipePair88 interceptedContent chan string89 forwardTo io.Writer90 accumulatedOutput string91 implementation interceptorImplementation92}93func (interceptor *genericOutputInterceptor) StartInterceptingOutput() {94 interceptor.StartInterceptingOutputAndForwardTo(io.Discard)95}96func (interceptor *genericOutputInterceptor) StartInterceptingOutputAndForwardTo(w io.Writer) {97 if interceptor.intercepting {98 return99 }100 interceptor.accumulatedOutput = ""101 interceptor.forwardTo = w102 interceptor.ResumeIntercepting()103}104func (interceptor *genericOutputInterceptor) StopInterceptingAndReturnOutput() string {105 if interceptor.intercepting {106 interceptor.PauseIntercepting()107 }108 return interceptor.accumulatedOutput109}110func (interceptor *genericOutputInterceptor) ResumeIntercepting() {111 if interceptor.intercepting {112 return113 }114 interceptor.intercepting = true115 if interceptor.stdoutClone == nil {116 interceptor.stdoutClone, interceptor.stderrClone = interceptor.implementation.CreateStdoutStderrClones()117 interceptor.shutdown = make(chan interface{})118 go startPipeFactory(interceptor.pipeChannel, interceptor.shutdown)119 }120 // Now we make a pipe, we'll use this to redirect the input to the 1 and 2 file descriptors (this is how everything else in the world is tring to log to stdout and stderr)121 // we get the pipe from our pipe factory. it runs in the background so we can request the next pipe while the spec being intercepted is running122 interceptor.pipe = <-interceptor.pipeChannel123 interceptor.emergencyBailout = make(chan interface{})124 //Spin up a goroutine to copy data from the pipe into a buffer, this is how we capture any output the user is emitting125 go func() {126 buffer := &bytes.Buffer{}127 destination := io.MultiWriter(buffer, interceptor.forwardTo)128 copyFinished := make(chan interface{})129 reader := interceptor.pipe.reader130 go func() {131 io.Copy(destination, reader)132 reader.Close() // close the read end of the pipe so we don't leak a file descriptor133 close(copyFinished)134 }()135 select {136 case <-copyFinished:137 interceptor.interceptedContent <- buffer.String()138 case <-interceptor.emergencyBailout:139 interceptor.interceptedContent <- ""140 }141 }()142 interceptor.implementation.ConnectPipeToStdoutStderr(interceptor.pipe.writer)143}144func (interceptor *genericOutputInterceptor) PauseIntercepting() {145 if !interceptor.intercepting {146 return147 }148 // first we have to close the write end of the pipe. To do this we have to close all file descriptors pointing149 // to the write end. So that would be the pipewriter itself, and FD #1 and FD #2 if we've Dup2'd them150 interceptor.pipe.writer.Close() // the pipewriter itself151 // we also need to stop intercepting. we do that by reconnecting the stdout and stderr file descriptions back to their respective #1 and #2 file descriptors;152 // this also closes #1 and #2 before it points that their original stdout and stderr file descriptions153 interceptor.implementation.RestoreStdoutStderrFromClones(interceptor.stdoutClone, interceptor.stderrClone)154 var content string155 select {156 case content = <-interceptor.interceptedContent:157 case <-time.After(BAILOUT_TIME):158 /*159 By closing all the pipe writer's file descriptors associated with the pipe writer's file description the io.Copy reading from the reader160 should eventually receive an EOF and exit.161 **However**, if the user has spun up an external process and passed in os.Stdout/os.Stderr to cmd.Stdout/cmd.Stderr then the external process162 will have a file descriptor pointing to the pipe writer's file description and it will not close until the external process exits.163 That would leave us hanging here waiting for the io.Copy to close forever. Instead we invoke this emergency escape valve. This returns whatever164 content we've got but leaves the io.Copy running. This ensures the external process can continue writing without hanging at the cost of leaking a goroutine165 and file descriptor (those these will be cleaned up when the process exits).166 We tack on a message to notify the user that they've hit this edgecase and encourage them to address it.167 */168 close(interceptor.emergencyBailout)169 content = <-interceptor.interceptedContent + BAILOUT_MESSAGE170 }171 interceptor.accumulatedOutput += content172 interceptor.intercepting = false173}174func (interceptor *genericOutputInterceptor) Shutdown() {175 interceptor.PauseIntercepting()176 if interceptor.stdoutClone != nil {177 close(interceptor.shutdown)178 interceptor.implementation.ShutdownClones(interceptor.stdoutClone, interceptor.stderrClone)179 interceptor.stdoutClone = nil180 interceptor.stderrClone = nil181 }182}183/* This is used on windows builds but included here so it can be explicitly tested on unix systems too */184func NewOSGlobalReassigningOutputInterceptor() OutputInterceptor {185 return &genericOutputInterceptor{186 interceptedContent: make(chan string),187 pipeChannel: make(chan pipePair),188 shutdown: make(chan interface{}),189 implementation: &osGlobalReassigningOutputInterceptorImpl{},190 }191}192type osGlobalReassigningOutputInterceptorImpl struct{}193func (impl *osGlobalReassigningOutputInterceptorImpl) CreateStdoutStderrClones() (*os.File, *os.File) {194 return os.Stdout, os.Stderr195}196func (impl *osGlobalReassigningOutputInterceptorImpl) ConnectPipeToStdoutStderr(pipeWriter *os.File) {197 os.Stdout = pipeWriter198 os.Stderr = pipeWriter199}200func (impl *osGlobalReassigningOutputInterceptorImpl) RestoreStdoutStderrFromClones(stdoutClone *os.File, stderrClone *os.File) {201 os.Stdout = stdoutClone202 os.Stderr = stderrClone203}204func (impl *osGlobalReassigningOutputInterceptorImpl) ShutdownClones(_ *os.File, _ *os.File) {205 //noop206}...

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ShutdownClones

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1import (2func main() {3 flag.Parse()4 if flag.NArg() != 2 {5 fmt.Fprintf(os.Stderr, "Usage: %s [options] <vm> <timeout>6 flag.PrintDefaults()7 os.Exit(1)8 }9 ctx := context.Background()10 if err != nil {11 log.Fatal(err)12 }13 u.User = url.UserPassword("user", "pass")14 c, err := govmomi.NewClient(ctx, u, true)15 if err != nil {16 log.Fatal(err)17 }18 defer c.Logout(ctx)19 m := view.NewManager(c.Client)20 v, err := m.CreateContainerView(ctx, c.ServiceContent.RootFolder, []string{"VirtualMachine"}, true)21 if err != nil {22 log.Fatal(err)23 }24 defer v.Destroy(ctx)25 err = v.Retrieve(ctx, []string{"VirtualMachine"}, []string{"summary", "runtime"}, &vms)26 if err != nil {27 log.Fatal(err)28 }29 for _, v := range vms {30 if v.Summary.Config.Name == flag.Arg(0) {31 }32 }33 if vm == nil {34 log.Fatal("vm not found")35 }36 err = c.Properties(ctx, vm.Runtime.Host.Reference(), []string{"configManager"}, &t)37 if err != nil {38 log.Fatal(err)39 }40 err = c.Properties(ctx, t, []string{"configManager"}, &host)41 if err != nil {42 log.Fatal(err)43 }

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ShutdownClones

Using AI Code Generation

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1import (2func main() {3 session := client.NewSession()4 localProvider := local.NewDefaultApiProvider()5 remoteProvider := rest.NewDefaultApiProvider(session)6 compositeProvider := api_provider.NewCompositeApiProvider()7 compositeProvider.Register(localProvider)8 compositeProvider.Register(remoteProvider)9 client := api_provider.NewDefaultApiClient(compositeProvider)10 request := client.NewRequest("com.vmware.vcenter.vm.hardware.adapter.sata", "list")11 request.SetParam("vm", data.NewString("vm-1"))12 response, err := client.Invoke(request)13 if err != nil {14 fmt.Printf("Error occurred while invoking operation : %v", err)15 }16 fmt.Printf("Response : %s", response)17}

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ShutdownClones

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1import (2func main() {3 session := client.NewSession()4 localProvider := local.NewDefaultApiProvider()5 remoteProvider := rest.NewDefaultApiProvider(session)6 compositeProvider := api_provider.NewCompositeApiProvider()7 compositeProvider.Register(localProvider)8 compositeProvider.Register(remoteProvider)9 client := api_provider.NewDefaultApiClient(compositeProvider)10 request := client.NewRequest("com.vmware.vcenter.vm.hardware.adapter.sata", "list")11 request.SetParam("vm", data.NewString("vm-1"))12 response, err := client.Invoke(request)13 if err != nil {14 fmt.Printf("Error occurred while invoking operation : %v", err)15 }16 fmt.Printf("Response : %s", response)17}

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ShutdownClones

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1import (2func main() {3 fmt.Println("Hello, World!")4 internal.ShutdownClones()5}6import (7func main() {8 fmt.Println("Hello, World!")9 internal.ShutdownClones()10}11import (12func main() {13 fmt.Println("Hello, World!")14 internal.ShutdownClones()15}16import (17func main() {18 fmt.Println("Hello, World!")19 internal.ShutdownClones()20}21import (22func main() {23 fmtPrintln("Hello, World!")24 internal.ShutdownClones()25}26import (27func main() {28 fmt.Println("Hello, World!")29 internal.ShutdownClones()30}31import (32func main() {33 fmt.Println("Hello, World!")34 internal.ShutdownClones()35}36import (37func main() {38 fmt.Println("Hello, World!")

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ShutdownClones

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1import (2func main() {3 a := new(ShutDownClones)4 a.ShutDownClones()5 fmt.Println("ShutdownClones")6}

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ShutdownClones

Using AI Code Generation

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1func (c *Computer) ShutdownClones() {2type Robot struct {3}4func (r *robot.Robot) ShutdownClones() {5type Robot struct {6}

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ShutdownClones

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1import (2func main() {3 a := new(ShutDownClones)4 a.ShutDownClones()5 fmt.Println("ShutdownClones")6}

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ShutdownClones

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1import (2type Internal struct {3}4func (i *Internal) ShutdownClones() {5 fmt.Println("ShutdownClones called")6}7func main() {8 i := &Internal{Name: "internal"}9 i.ShutdownClones()10 method := reflect.ValueOf(i).MethodByName("ShutdownClones")11 if method.IsValid() {12 fmt.Println("ShutdownClones is valid")13 method.Call([]reflect.Value{})14 } else {15 fmt.Println("ShutdownClones is not valid")16 }17}

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ShutdownClones

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1import (2func main() {3 fmt.Println("Calling ShutdownClones")4 _ = internal.ShutdownClones()5 fmt.Println("Done")6}

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ShutdownClones

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1import (2func main() {3 pid := os.Getpid()4 path, _ := os.Getwd()5 process := exec.Command(name, args...)6 process.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}7 process.Start()8 c := make(chan os.Signal)9 signal.Notify(c, os.Interrupt)10 go func() {11 for sig := range c {12 if sig == os.Interrupt {13 ShutdownClones(pid, path)14 }15 }16 }()17 input := make(chan string)18 go func() {19 reader := bufio.NewReader(os.Stdin)20 for {21 text, _ := reader.ReadString('\n')22 }23 }()24 for {25 if strings.TrimSpace(text) == "shutdown" {26 ShutdownClones(pid, path)27 }28 }29}30func ShutdownClones(pid int, path string) {

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