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Syzkaller
gce
waitForConsoleConnect

How to use waitForConsoleConnect method of gce Package

Best Syzkaller code snippet using gce.waitForConsoleConnect

gce.go

Source:gce.go

...231	if inst.env.OS == "windows" {232		decoder = kd.Decode233	}234	merger.AddDecoder("console", conRpipe, decoder)235	if err := waitForConsoleConnect(merger); err != nil {236		con.Process.Kill()237		merger.Wait()238		return nil, nil, err239	}240	sshRpipe, sshWpipe, err := osutil.LongPipe()241	if err != nil {242		con.Process.Kill()243		merger.Wait()244		sshRpipe.Close()245		return nil, nil, err246	}247	if inst.env.OS == "linux" {248		if inst.sshUser != "root" {249			command = fmt.Sprintf("sudo bash -c '%v'", command)250		}251	}252	args := append(vmimpl.SSHArgs(inst.debug, inst.sshKey, 22), inst.sshUser+"@"+inst.ip, command)253	ssh := osutil.Command("ssh", args...)254	ssh.Stdout = sshWpipe255	ssh.Stderr = sshWpipe256	if err := ssh.Start(); err != nil {257		con.Process.Kill()258		merger.Wait()259		sshRpipe.Close()260		sshWpipe.Close()261		return nil, nil, fmt.Errorf("failed to connect to instance: %v", err)262	}263	sshWpipe.Close()264	merger.Add("ssh", sshRpipe)265	errc := make(chan error, 1)266	signal := func(err error) {267		select {268		case errc <- err:269		default:270		}271	}272	go func() {273		select {274		case <-time.After(timeout):275			signal(vmimpl.ErrTimeout)276		case <-stop:277			signal(vmimpl.ErrTimeout)278		case <-inst.closed:279			signal(fmt.Errorf("instance closed"))280		case err := <-merger.Err:281			con.Process.Kill()282			ssh.Process.Kill()283			merger.Wait()284			con.Wait()285			if cmdErr := ssh.Wait(); cmdErr == nil {286				// If the command exited successfully, we got EOF error from merger.287				// But in this case no error has happened and the EOF is expected.288				err = nil289			} else if merr, ok := err.(vmimpl.MergerError); ok && merr.R == conRpipe {290				// Console connection must never fail. If it does, it's either291				// instance preemption or a GCE bug. In either case, not a kernel bug.292				log.Logf(1, "%v: gce console connection failed with %v", inst.name, merr.Err)293				err = vmimpl.ErrTimeout294			} else {295				// Check if the instance was terminated due to preemption or host maintenance.296				time.Sleep(5 * time.Second) // just to avoid any GCE races297				if !inst.GCE.IsInstanceRunning(inst.name) {298					log.Logf(1, "%v: ssh exited but instance is not running", inst.name)299					err = vmimpl.ErrTimeout300				}301			}302			signal(err)303			return304		}305		con.Process.Kill()306		ssh.Process.Kill()307		merger.Wait()308		con.Wait()309		ssh.Wait()310	}()311	return merger.Output, errc, nil312}313func waitForConsoleConnect(merger *vmimpl.OutputMerger) error {314	// We've started the console reading ssh command, but it has not necessary connected yet.315	// If we proceed to running the target command right away, we can miss part316	// of console output. During repro we can crash machines very quickly and317	// would miss beginning of a crash. Before ssh starts piping console output,318	// it usually prints:319	// "serialport: Connected to ... port 1 (session ID: ..., active connections: 1)"320	// So we wait for this line, or at least a minute and at least some output.321	timeout := time.NewTimer(time.Minute)322	defer timeout.Stop()323	connectedMsg := []byte("serialport: Connected")324	permissionDeniedMsg := []byte("Permission denied (publickey)")325	var output []byte326	for {327		select {...

waitForConsoleConnect

Using AI Code Generation

1import (2        "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer"3func main() {4        log := logging.NewToolLogger("test")5        gce := importer.NewGCEClient(log)6        gce.WaitForConsoleConnect("test-zone", "test-instance", 10)7        fmt.Println("done")8}9import (10        "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer"11func main() {12        log := logging.NewToolLogger("test")13        gce := importer.NewGCEClient(log)14        gce.WaitForConsoleConnect("test-zone", "test-instance", 10)15        fmt.Println("done")16}17go test -v -count=1 -timeout=30m -run TestGCEClient_WaitForConsoleConnect github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer18go test -v -count=1 -timeout=30m -run TestGCEClient_WaitForConsoleConnect github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer

waitForConsoleConnect

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    gce := new(googlecompute.Builder)5    gce.waitForConsoleConnect()6}7import (8func main() {9    fmt.Println("Hello, playground")10    gce := new(googlecompute.Builder)11    gce.waitForConsoleConnect()12}

waitForConsoleConnect

Using AI Code Generation

1import (2func main() {3    if metadata.OnGCE() {4        gce, err = compute.New(google.DefaultClient(oauth2.NoContext, compute.ComputeScope))5        if err != nil {6            fmt.Println(err)7            os.Exit(1)8        }9    } else {10        fmt.Println("Not running on GCE")11        os.Exit(1)12    }13    op, err := gce.Instances.WaitForSerialPortOutput(project, zone, instance, &compute.SerialPortOutputRequest{14    }).Do()15    if err != nil {16        if e, ok := err.(*googleapi.Error); ok {17            fmt.Println(e.Code)18            fmt.Println(e.Body)19        }20        fmt.Println(err)21        os.Exit(1)22    }23    fmt.Println(op.Contents)24}25{26  "error": {27      {28      }29  }30}31import (

waitForConsoleConnect

Using AI Code Generation

1import (2    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/cli"3    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer"4    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer/bootable_disk_processor"5    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer/metadata_processor"6    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer/processor"7    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer/scratch_disk"8    "github.com/GoogleCloudPlatform/compute-image-tools/cli_tools/gce_vm_image_import/importer/utils"9func TestImportImage(t *testing.T) {

waitForConsoleConnect

Using AI Code Generation

1func main() {2    gce, err := gce.NewGCEClient()3    if err != nil {4        fmt.Println(err)5    }6    gce.waitForConsoleConnect()7}8func main() {9    gce, err := gce.NewGCEClient()10    if err != nil {11        fmt.Println(err)12    }13    gce.waitForConsoleConnect()14}15func main() {16    gce, err := gce.NewGCEClient()17    if err != nil {18        fmt.Println(err)19    }20    gce.waitForConsoleConnect()21}22func main() {23    gce, err := gce.NewGCEClient()24    if err != nil {25        fmt.Println(err)26    }27    gce.waitForConsoleConnect()28}29func main() {30    gce, err := gce.NewGCEClient()31    if err != nil {32        fmt.Println(err)33    }34    gce.waitForConsoleConnect()35}36func main() {37    gce, err := gce.NewGCEClient()38    if err != nil {39        fmt.Println(err)40    }41    gce.waitForConsoleConnect()42}43func main() {44    gce, err := gce.NewGCEClient()45    if err != nil {46        fmt.Println(err)47    }48    gce.waitForConsoleConnect()49}50func main() {51    gce, err := gce.NewGCEClient()52    if err != nil {53        fmt.Println(err)54    }55    gce.waitForConsoleConnect()56}57func main() {58    gce, err := gce.NewGCEClient()59    if err != nil {60        fmt.Println(err)61    }

waitForConsoleConnect

Using AI Code Generation

1import (2func main() {3 gce := gce.New()4 gce.waitForConsoleConnect()5 fmt.Println("Console connected")6}

waitForConsoleConnect

Using AI Code Generation

1import (2func main() {3    if len(os.Args) != 6 {4        fmt.Println("Usage: 2.go <instance> <zone> <project> <timeout> <period>")5        os.Exit(1)6    }7    timeout, err = time.ParseDuration(os.Args[4])8    if err != nil {9        fmt.Println("Error parsing timeout")10        os.Exit(1)11    }12    period, err = time.ParseDuration(os.Args[5])13    if err != nil {14        fmt.Println("Error parsing period")15        os.Exit(1)16    }17    g, err = gce.New()18    if err != nil {19        fmt.Println("Error creating gce object")20        os.Exit(1)21    }22    result, err = g.waitForConsoleConnect(instance, zone, project, timeout, period)23    if err != nil {24        fmt.Println("Error waiting for console connect")25        os.Exit(1)26    }27    fmt.Println("Console connect result is: ", result)28}

waitForConsoleConnect

Using AI Code Generation

1import (2func main() {3    gce := new(gce)4    fmt.Println("Waiting for console to connect")5    err := gce.waitForConsoleConnect()6    if err != nil {7        fmt.Println("Error while waiting for console to connect")8        fmt.Println(err)9    }10}11import (12type gce struct {13}14func (gce *gce) waitForConsoleConnect() error {15}16import (17func main() {18    fmt.Println("Waiting for console to connect")19    err := gce.waitForConsoleConnect()20    if err != nil {21        fmt.Println("Error while waiting for console to connect")22        fmt.Println(err)23    }24}25import (26func waitForConsoleConnect() error {27}28import (29func main() {30    fmt.Println("Waiting for console to connect")31    err := gce.wait()32    if err != nil {33        fmt.Println("Error while waiting for console to connect

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