Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

Automation Advisor
Syzkaller
gce
IsInstanceRunning

How to use IsInstanceRunning method of gce Package

Best Syzkaller code snippet using gce.IsInstanceRunning

gce.go

Source:gce.go

...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, nil...

steps.go

Source:steps.go

1//  Copyright 2020 Google Inc. All Rights Reserved.2//3//  Licensed under the Apache License, Version 2.0 (the "License");4//  you may not use this file except in compliance with the License.5//  You may obtain a copy of the License at6//7//      http://www.apache.org/licenses/LICENSE-2.08//9//  Unless required by applicable law or agreed to in writing, software10//  distributed under the License is distributed on an "AS IS" BASIS,11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.12//  See the License for the specific language governing permissions and13//  limitations under the License.14package ovfexporter15import (16	"context"17	"fmt"18	"sync"19	daisy "github.com/GoogleCloudPlatform/compute-daisy"20	"google.golang.org/api/compute/v1"21	"github.com/GoogleCloudPlatform/compute-image-import/cli_tools/common/utils/daisyutils"22	storageutils "github.com/GoogleCloudPlatform/compute-image-import/cli_tools/common/utils/storage"23	ovfexportdomain "github.com/GoogleCloudPlatform/compute-image-import/cli_tools/gce_ovf_export/domain"24)25type populateStepsFunc func(*daisy.Workflow) error26func (oe *OVFExporter) prepare(ctx context.Context, instance *compute.Instance) error {27	return oe.runStep(ctx, func() error {28		oe.Logger.User(fmt.Sprintf("Stopping '%v' instance and detaching the disks.", instance.Name))29		return oe.instanceExportPreparer.Prepare(instance, oe.params)30	}, oe.instanceExportPreparer.Cancel)31}32func (oe *OVFExporter) exportDisks(ctx context.Context, instance *compute.Instance) error {33	return oe.runStep(ctx, func() error {34		oe.Logger.User("Exporting the disks.")35		var err error36		oe.exportedDisks, err = oe.instanceDisksExporter.Export(instance, oe.params)37		return err38	}, oe.instanceDisksExporter.Cancel)39}40func (oe *OVFExporter) inspectBootDisk(ctx context.Context) error {41	return oe.runStep(ctx, func() error {42		oe.Logger.User("Inspecting the boot disk.")43		bootDisk := getBootDisk(oe.exportedDisks)44		if bootDisk == nil {45			return nil46		}47		var err error48		oe.bootDiskInspectionResults, err = oe.inspector.Inspect(49			daisyutils.GetDiskURI(oe.params.Project, oe.params.Zone, bootDisk.Disk.Name))50		if err != nil {51			oe.Logger.User(fmt.Sprintf("WARNING: Could not detect operating system on the boot disk: %v", err))52		}53		oe.Logger.User(fmt.Sprintf("Disk inspection results: %v", oe.bootDiskInspectionResults))54		// don't return error if inspection fails, just log it, since it's not a show-stopper.55		return nil56	}, oe.inspector.Cancel)57}58func (oe *OVFExporter) generateDescriptor(ctx context.Context, instance *compute.Instance) error {59	return oe.runStep(ctx, func() error {60		oe.Logger.User("Generating OVF descriptor.")61		bucketName, gcsDirectoryPath, err := storageutils.GetGCSObjectPathElements(oe.params.DestinationDirectory)62		if err != nil {63			return err64		}65		return oe.ovfDescriptorGenerator.GenerateAndWriteOVFDescriptor(66			instance, oe.exportedDisks, bucketName, gcsDirectoryPath,67			fmt.Sprintf("%v.ovf", oe.params.OvfName), oe.bootDiskInspectionResults)68	}, oe.ovfDescriptorGenerator.Cancel)69}70func (oe *OVFExporter) generateManifest(ctx context.Context) error {71	return oe.runStep(ctx, func() error {72		oe.Logger.User("Generating manifest.")73		return oe.manifestFileGenerator.GenerateAndWriteToGCS(oe.params.DestinationDirectory, fmt.Sprintf("%v.mf", oe.params.OvfName))74	}, oe.manifestFileGenerator.Cancel)75}76func (oe *OVFExporter) cleanup(instance *compute.Instance, exportError error) error {77	// cleanup shouldn't react to time out as it's necessary to perform this step.78	// Otherwise, instance being exported would be left shut down and disks detached.79	oe.Logger.User("Cleaning up.")80	if err := oe.instanceExportCleaner.Clean(instance, oe.params); err != nil {81		return err82	}83	if exportError == nil {84		oe.Logger.User("OVF export finished successfully.")85	}86	if oe.storageClient != nil {87		err := oe.storageClient.Close()88		if err != nil {89			return err90		}91	}92	return nil93}94func generateWorkflowWithSteps(workflowName, timeout string, populateStepsFunc populateStepsFunc) (*daisy.Workflow, error) {95	w := daisy.New()96	w.Name = workflowName97	w.DefaultTimeout = timeout98	w.ForceCleanupOnError = true99	return w, populateStepsFunc(w)100}101//TODO: consolidate with gce_vm_image_import.runStep()102func (oe *OVFExporter) runStep(ctx context.Context, step func() error, cancel func(string) bool) (err error) {103	e := make(chan error)104	var wg sync.WaitGroup105	go func() {106		//this select checks if context expired prior to runStep being called107		//if not, step is run108		select {109		case <-ctx.Done():110			e <- oe.getCtxError(ctx)111		default:112			wg.Add(1)113			var stepErr error114			defer func() {115				// error should only be returned after wg is marked as done. Otherwise,116				// a deadlock can occur when handling a timeout in the select below117				// because cancel() causes step() to finish, then waits for wg, while118				// writing to error chan waits on error chan reader which never happens119				wg.Done()120				e <- stepErr121			}()122			stepErr = step()123		}124	}()125	// this select waits for either context expiration or step to finish (with either an error or success)126	select {127	case <-ctx.Done():128		if cancel("timed-out") {129			//Only return timeout error if step was able to cancel on time-out.130			//Otherwise, step has finished and export succeeded even though it timed out131			err = oe.getCtxError(ctx)132		}133		wg.Wait()134	case stepErr := <-e:135		err = stepErr136	}137	return err138}139//TODO: consolidate with gce_vm_image_import.getCtxError()140func (oe *OVFExporter) getCtxError(ctx context.Context) (err error) {141	if ctxErr := ctx.Err(); ctxErr == context.DeadlineExceeded {142		err = daisy.Errf("OVF Export did not complete within the specified timeout of %s", oe.params.Timeout.String())143	} else {144		err = ctxErr145	}146	return err147}148func isInstanceRunning(instance *compute.Instance) bool {149	return !(instance == nil || instance.Status == "STOPPED" || instance.Status == "STOPPING" ||150		instance.Status == "SUSPENDED" || instance.Status == "SUSPENDING")151}152func getBootDisk(exportedDisks []*ovfexportdomain.ExportedDisk) *ovfexportdomain.ExportedDisk {153	for _, exportedDisk := range exportedDisks {154		if exportedDisk.AttachedDisk.Boot {155			return exportedDisk156		}157	}158	return nil159}...

autoscaler.go

Source:autoscaler.go

...98		// https://golang.org/doc/faq#closures_and_goroutines99		idx := idx100		instance := instance101		group.Go(instance, func() error {102			isOnline, err := a.g.IsInstanceRunning(instance)103			if err != nil {104				return err105			}106			online[idx] = isOnline107			return nil108		})109	}110	if err := group.Wait(); err != nil {111		return err112	}113	a.mtx.Lock()114	defer a.mtx.Unlock()115	a.online = online116	return nil...

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	client, err := google.DefaultClient(context.Background(), compute.ComputeScope)4	if err != nil {5		fmt.Println("error in google.DefaultClient")6	}7	computeService, err := compute.New(client)8	if err != nil {9		fmt.Println("error in compute.New")10	}11	projectID, err := metadata.ProjectID()12	if err != nil {13		fmt.Println("error in metadata.ProjectID")14	}15	zone, err := metadata.Zone()16	if err != nil {17		fmt.Println("error in metadata.Zone")18	}19	instanceName, err := metadata.InstanceName()20	if err != nil {21		fmt.Println("error in metadata.InstanceName")22	}23	running, err := IsInstanceRunning(computeService, projectID, zone, instanceName)24	if err != nil {25		fmt.Println("error in IsInstanceRunning")26	}27	fmt.Println(running)28}29func IsInstanceRunning(computeService *compute.Service, projectID, zone, instanceName string) (bool, error) {30	instance, err := computeService.Instances.Get(projectID, zone, instanceName).Do()31	if err != nil {32	}33}

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	projectID, err := metadata.ProjectID()4	if err != nil {5		fmt.Println("Unable to get ProjectID")6	}7	fmt.Println("ProjectID: ", projectID)8	zone, err := metadata.Zone()9	if err != nil {10		fmt.Println("Unable to get Zone")11	}12	fmt.Println("Zone: ", zone)13	instanceName, err := metadata.InstanceName()14	if err != nil {15		fmt.Println("Unable to get InstanceName")16	}17	fmt.Println("InstanceName: ", instanceName)18	instanceID, err := metadata.InstanceID()19	if err != nil {20		fmt.Println("Unable to get InstanceID")21	}22	fmt.Println("InstanceID: ", instanceID)23	ctx := context.Background()24	client, err := compute.NewClient(ctx)25	if err != nil {26		fmt.Println("Unable to create a new compute client")27	}28	instance := client.Instance(projectID, zone, instanceName)29	running, err := instance.IsRunning(ctx)30	if err != nil {31		fmt.Println("Unable to check if the instance is running")32	}33	fmt.Println("Is the instance running?: ", running)34}35import (36func main() {37	projectID, err := metadata.ProjectID()38	if err != nil {39		fmt.Println("Unable to get ProjectID")40	}41	fmt.Println("ProjectID: ", projectID)

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	projectID, err := metadata.ProjectID()4	if err != nil {5		fmt.Println("Error in fetching project ID")6		fmt.Println(err)7	}8	zone, err := metadata.Zone()9	if err != nil {10		fmt.Println("Error in fetching zone")11		fmt.Println(err)12	}13	instanceName, err := metadata.InstanceName()14	if err != nil {15		fmt.Println("Error in fetching instance name")16		fmt.Println(err)17	}18	gceClient, err := NewGCEClient()19	if err != nil {20		fmt.Println("Error in creating gce client")21		fmt.Println(err)22	}23	isInstanceRunning, err := gceClient.IsInstanceRunning(projectID, zone, instanceName)24	if err != nil {25		fmt.Println("Error in calling IsInstanceRunning method")26		fmt.Println(err)27	}28	fmt.Println("IsInstanceRunning: ", isInstanceRunning)29}30type GCE struct {31}32func NewGCEClient() (*GCE, error) {33	ctx := context.Background()34	client, err := google.DefaultClient(ctx, compute.ComputeScope)35	if err != nil {36		fmt.Println("Error in creating HTTP client")37		fmt.Println(err)38	}39	computeService, err := compute.New(client)40	if err != nil {41		fmt.Println("Error in creating compute service")42		fmt.Println(err)43	}44	return &GCE{45	}, nil46}

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	client, err := compute.NewClient(ctx)5	if err != nil {6		fmt.Println(err)7	}8	instance := client.Instance("gce-class", "us-central1-a", "instance-1")9	running, err := instance.IsInstanceRunning(ctx)10	if err != nil {11		fmt.Println(err)12	}13	if running {14		fmt.Println("Instance is running.")15	} else {16		fmt.Println("Instance is not running.")17	}18}19import (20func main() {21	ctx := context.Background()22	client, err := compute.NewClient(ctx)23	if err != nil {24		fmt.Println(err)25	}26	instance := client.Instance("gce-class", "us-central1-a", "instance-1")27	stopped, err := instance.IsInstanceStopped(ctx)28	if err != nil {29		fmt.Println(err)30	}31	if stopped {32		fmt.Println("Instance is stopped.")33	} else {34		fmt.Println("Instance is not stopped.")35	}36}37import (38func main() {39	ctx := context.Background()40	client, err := compute.NewClient(ctx)41	if err != nil {42		fmt.Println(err)43	}44	instance := client.Instance("

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	ts, err := google.DefaultTokenSource(ctx, compute.ComputeScope)5	if err != nil {6		fmt.Println("Error in DefaultTokenSource:", err)7		os.Exit(1)8	}9	client := oauth2.NewClient(ctx, ts)10	service, err := compute.New(client)11	if err != nil {12		fmt.Println("Error in NewClient:", err)13		os.Exit(1)14	}15	isRunning, err := IsInstanceRunning(service, project, zone, instance)16	if err != nil {17		fmt.Println("Error in IsInstanceRunning:", err)18		os.Exit(1)19	}20	if isRunning {21		fmt.Println("Instance is running")22	} else {23		fmt.Println("Instance is not running")24	}25}26func IsInstanceRunning(service *compute.Service, project string, zone string, instance string) (bool, error) {27	inst, err := service.Instances.Get(project, zone, instance).Do()28	if err != nil {29	}30	for _, item := range inst.Metadata.Items {31		if item.Key == "shutdown-timestamp" {32			t, err := time.Parse(time.RFC3339, timestamp)33			if err != nil {34			}35			if time.Now().After(t) {36			}37		}38	}39}

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	gce, err := gce.NewClient(metadata.ProjectID())4	if err != nil {5		fmt.Println(err)6	}7	running, err := gce.IsInstanceRunning("test-instance")8	if err != nil {9		fmt.Println(err)10	}11	fmt.Println("Instance is running:", running)12}13import (14func main() {15	gce, err := gce.NewClient(metadata.ProjectID())16	if err != nil {17		fmt.Println(err)18	}19	stopped, err := gce.IsInstanceStopped("test-instance")20	if err != nil {21		fmt.Println(err)22	}23	fmt.Println("Instance is stopped:", stopped)24}25import (26func main() {27	gce, err := gce.NewClient(metadata.ProjectID())28	if err != nil {29		fmt.Println(err)30	}31	instances, err := gce.ListInstances("us-central1-a")32	if err != nil {33		fmt.Println(err)34	}35	fmt.Println("Instances:", instances)36}37import (38func main() {

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3	ctx := context.Background()4	client, err := google.DefaultClient(ctx, compute.ComputeScope)5	if err != nil {6		log.Fatalf("Unable to get default client: %v", err)7	}8	computeService, err := compute.New(client)9	if err != nil {10		log.Fatalf("Unable to create Compute service: %v", err)11	}12	project := os.Getenv("GOOGLE_CLOUD_PROJECT")13	zone := os.Getenv("ZONE")14	instance := os.Getenv("INSTANCE_NAME")15	running := IsInstanceRunning(computeService, project, zone, instance)16	fmt.Printf("Instance is running: %v", running)17}18func IsInstanceRunning(computeService *compute.Service, project, zone, instance string) bool {19	inst, err := computeService.Instances.Get(project, zone, instance).Do()20	if err != nil {21		if strings.Contains(err.Error(), "notFound") {22		}23		log.Fatalf("Unable to get instance: %v", err)24	}25}26from gce import GCE27from googleapiclient import discovery28from oauth2client.client import GoogleCredentials29import os30credentials = GoogleCredentials.get_application_default()31compute = discovery.build('compute', 'v1', credentials=credentials)32project = os.getenv('GOOGLE_CLOUD_PROJECT')33zone = os.getenv('ZONE')

IsInstanceRunning

Using AI Code Generation

1import (2func main() {3gce := gce.NewGCE()4if gce.IsInstanceRunning("instance-name") {5fmt.Println("Instance is running")6} else {7fmt.Println("Instance is not running")8}9}

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.