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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}

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