TestMu Conference is Back! Future of Testing + AI LambdaTest G2 Announcement

How to use sshArgs method of gce Package

Best Syzkaller code snippet using gce.sshArgs

gce.go

Source:gce.go

...111	return fmt.Sprintf("%v:%v", GCE.InternalIP, port), nil112}113func (inst *instance) Copy(hostSrc string) (string, error) {114	vmDst := "./" + filepath.Base(hostSrc)115	args := append(sshArgs(inst.sshKey, "-P", 22), hostSrc, inst.sshUser+"@"+inst.name+":"+vmDst)116	cmd := exec.Command("scp", args...)117	if err := cmd.Start(); err != nil {118		return "", err119	}120	done := make(chan bool)121	go func() {122		select {123		case <-time.After(time.Minute):124			cmd.Process.Kill()125		case <-done:126		}127	}()128	err := cmd.Wait()129	close(done)130	if err != nil {131		return "", err132	}133	return vmDst, nil134}135func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (<-chan []byte, <-chan error, error) {136	conRpipe, conWpipe, err := vm.LongPipe()137	if err != nil {138		return nil, nil, err139	}140	conAddr := fmt.Sprintf("%v.%v.%v.syzkaller.port=1@ssh-serialport.googleapis.com", GCE.ProjectID, GCE.ZoneID, inst.name)141	conArgs := append(sshArgs(inst.gceKey, "-p", 9600), conAddr)142	con := exec.Command("ssh", conArgs...)143	con.Env = []string{}144	con.Stdout = conWpipe145	con.Stderr = conWpipe146	if _, err := con.StdinPipe(); err != nil { // SSH would close connection on stdin EOF147		conRpipe.Close()148		conWpipe.Close()149		return nil, nil, err150	}151	if err := con.Start(); err != nil {152		conRpipe.Close()153		conWpipe.Close()154		return nil, nil, fmt.Errorf("failed to connect to console server: %v", err)155	}156	conWpipe.Close()157	sshRpipe, sshWpipe, err := vm.LongPipe()158	if err != nil {159		con.Process.Kill()160		sshRpipe.Close()161		return nil, nil, err162	}163	if inst.sshUser != "root" {164		command = fmt.Sprintf("sudo bash -c '%v'", command)165	}166	args := append(sshArgs(inst.sshKey, "-p", 22), inst.sshUser+"@"+inst.name, command)167	ssh := exec.Command("ssh", args...)168	ssh.Stdout = sshWpipe169	ssh.Stderr = sshWpipe170	if err := ssh.Start(); err != nil {171		con.Process.Kill()172		conRpipe.Close()173		sshRpipe.Close()174		sshWpipe.Close()175		return nil, nil, fmt.Errorf("failed to connect to instance: %v", err)176	}177	sshWpipe.Close()178	merger := vm.NewOutputMerger(nil)179	merger.Add("console", conRpipe)180	merger.Add("ssh", sshRpipe)181	errc := make(chan error, 1)182	signal := func(err error) {183		select {184		case errc <- err:185		default:186		}187	}188	go func() {189		select {190		case <-time.After(timeout):191			signal(vm.TimeoutErr)192		case <-stop:193			signal(vm.TimeoutErr)194		case <-inst.closed:195			signal(fmt.Errorf("instance closed"))196		case err := <-merger.Err:197			con.Process.Kill()198			ssh.Process.Kill()199			merger.Wait()200			con.Wait()201			if cmdErr := ssh.Wait(); cmdErr == nil {202				// If the command exited successfully, we got EOF error from merger.203				// But in this case no error has happened and the EOF is expected.204				err = nil205			} else {206				// Check if the instance was terminated due to preemption or host maintenance.207				time.Sleep(5 * time.Second) // just to avoid any GCE races208				if !GCE.IsInstanceRunning(inst.name) {209					Logf(1, "%v: ssh exited but instance is not running", inst.name)210					err = vm.TimeoutErr211				}212			}213			signal(err)214			return215		}216		con.Process.Kill()217		ssh.Process.Kill()218		merger.Wait()219		con.Wait()220		ssh.Wait()221	}()222	return merger.Output, errc, nil223}224func waitInstanceBoot(ip, sshKey, sshUser string) error {225	for i := 0; i < 100; i++ {226		if !vm.SleepInterruptible(5 * time.Second) {227			return fmt.Errorf("shutdown in progress")228		}229		cmd := exec.Command("ssh", append(sshArgs(sshKey, "-p", 22), sshUser+"@"+ip, "pwd")...)230		if _, err := cmd.CombinedOutput(); err == nil {231			return nil232		}233	}234	return fmt.Errorf("can't ssh into the instance")235}236func sshArgs(sshKey, portArg string, port int) []string {237	return []string{238		portArg, fmt.Sprint(port),239		"-i", sshKey,240		"-F", "/dev/null",241		"-o", "UserKnownHostsFile=/dev/null",242		"-o", "BatchMode=yes",243		"-o", "IdentitiesOnly=yes",244		"-o", "StrictHostKeyChecking=no",245		"-o", "ConnectTimeout=5",246	}247}...

sshArgs

Using AI Code Generation

1import (2func main() {3    gce, err := gce.New()4    if err != nil {5        log.Fatal(err)6    }7    if !gce.OnGCE() {8        log.Fatal("Not on GCE")9    }10    metadata, err := gce.Metadata()11    if err != nil {12        log.Fatal(err)13    }14    fmt.Println(metadata.ProjectID)15    fmt.Println(metadata.Zone)16    fmt.Println(metadata.InstanceID)17    fmt.Println(metadata.InstanceName)18    fmt.Println(metadata.InstanceType)19    fmt.Println(metadata.InstanceTags)20    fmt.Println(metadata.InstanceHostname)21    fmt.Println(metadata.InstanceZone)22    fmt.Println(metadata.InstanceMachineType)23    fmt.Println(metadata.InstanceExternalIP)24    fmt.Println(metadata.InstanceInternalIP)25    fmt.Println(metadata.InstanceNetworkInterfaces)26    fmt.Println(metadata.InstanceDisks)27    fmt.Println(metadata.InstanceMetadata)28    fmt.Println(metadata.InstanceAttributes)29    fmt.Println(metadata.InstanceServiceAccounts)30    fmt.Println(metadata.InstanceServiceAccounts)

sshArgs

Using AI Code Generation

1import (2func main() {3    gce := gce{}4    fmt.Println(gce.sshArgs())5}6import (7func main() {8    gce := gce{}9    fmt.Println(gce.sshArgs())10}11./3.go:6: invalid operation: gce (variable of type gce) has no field or method sshArgs12./2.go:6: invalid operation: gce (variable of type gce) has no field or method sshArgs13./1.go:6: invalid operation: gce (variable of type gce) has no field or method sshArgs14func (g *gce) SshArgs() []string {15    return []string{"-i", g.sshKeyPath, "-o", "UserKnownHostsFile=/dev/null", "-o", "StrictHostKeyChecking=no"}16}

sshArgs

Using AI Code Generation

1import (2func main() {3    g := gce.New("project", "zone")4    fmt.Println(g.SshArgs("instance"))5}6import (7func main() {8    g := gce.New("project", "zone")9    fmt.Println(g.ScpArgs("instance", "file"))10}11import (12func main() {13    g := gce.New("project", "zone")14    fmt.Println(g.Ssh("instance", "command"))15}16import (17func main() {18    g := gce.New("project", "zone")19    fmt.Println(g.Scp("instance", "file", "destination"))20}21import (22func main() {23    g := gce.New("project", "zone")24    fmt.Println(g.Run("instance", "command"))25}26import (27func main() {28    g := gce.New("project", "zone")29    fmt.Println(g.Run("instance", "command"))30}31import (32func main() {33    g := gce.New("project", "zone")34    fmt.Println(g.Get("instance", "command"))35}36import (37func main() {38    g := gce.New("project", "zone")39    fmt.Println(g.Put("instance", "file", "destination"))40}

sshArgs

Using AI Code Generation

1func main(){2    gce := Gce{}3    fmt.Println(gce.sshArgs())4}5func main(){6    gce := Gce{}7    fmt.Println(gce.sshArgs())8}9func main(){10    gce := Gce{}11    fmt.Println(gce.sshArgs())12}13func main(){14    gce := Gce{}15    fmt.Println(gce.sshArgs())16}17func main(){18    gce := Gce{}19    fmt.Println(gce.sshArgs())20}21func main(){22    gce := Gce{}23    fmt.Println(gce.sshArgs())24}25func main(){26    gce := Gce{}27    fmt.Println(gce.sshArgs())28}29func main(){30    gce := Gce{}31    fmt.Println(gce.sshArgs())32}33func main(){34    gce := Gce{}35    fmt.Println(gce.sshArgs())36}37func main(){38    gce := Gce{}39    fmt.Println(gce.sshArgs())40}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.