Obtén una instantánea
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En este ejemplo, se recupera información sobre una instantánea.
Muestra de código
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[[["Fácil de comprender","easyToUnderstand","thumb-up"],["Resolvió mi problema","solvedMyProblem","thumb-up"],["Otro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Información o código de muestra incorrectos","incorrectInformationOrSampleCode","thumb-down"],["Faltan la información o los ejemplos que necesito","missingTheInformationSamplesINeed","thumb-down"],["Problema de traducción","translationIssue","thumb-down"],["Otro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis webpage provides code samples in Go, Java, and Python for retrieving information about a specific Compute Engine snapshot.\u003c/p\u003e\n"],["\u003cp\u003eThe code examples demonstrate how to authenticate using Application Default Credentials and set up the necessary client libraries.\u003c/p\u003e\n"],["\u003cp\u003eEach sample requires the project ID and the snapshot name to function correctly, as the content references.\u003c/p\u003e\n"],["\u003cp\u003eThe code samples provided utilize the Compute Engine APIs and client libraries for their respective language.\u003c/p\u003e\n"]]],[],null,["# Get a snapshot\n\nThis sample retrieves information about a snapshot.\n\nCode sample\n-----------\n\n### Go\n\n\nBefore trying this sample, follow the Go setup instructions in the\n[Compute Engine quickstart using\nclient libraries](/compute/docs/api/using-libraries).\n\n\nFor more information, see the\n[Compute Engine Go API\nreference documentation](/go/docs/reference/cloud.google.com/go/compute/latest/apiv1).\n\n\nTo authenticate to Compute Engine, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n import (\n \t\"context\"\n \t\"fmt\"\n \t\"io\"\n\n \tcompute \"cloud.google.com/go/compute/apiv1\"\n \tcomputepb \"cloud.google.com/go/compute/apiv1/computepb\"\n )\n\n // getSnapshot prints a name of a disk snapshot in the specified project.\n func getSnapshot(w io.Writer, projectID, snapshotName string) error {\n \t// projectID := \"your_project_id\"\n \t// snapshotName := \"your_snapshot_name\"\n\n \tctx := context.Background()\n \tsnapshotsClient, err := compute.https://cloud.google.com/go/docs/reference/cloud.google.com/go/compute/latest/apiv1.html#cloud_google_com_go_compute_apiv1_SnapshotsClient_NewSnapshotsRESTClient(ctx)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"NewSnapshotsRESTClient: %w\", err)\n \t}\n \tdefer snapshotsClient.Close()\n\n \treqSnapshot := &computepb.GetSnapshotRequest{\n \t\tProject: projectID,\n \t\tSnapshot: snapshotName,\n \t}\n\n \tsnapshot, err := snapshotsClient.Get(ctx, reqSnapshot)\n \tif err != nil {\n \t\treturn fmt.Errorf(\"unable to get snapshot: %w\", err)\n \t}\n\n \tfmt.Fprintf(w, \"Found snapshot: %s\\n\", snapshot.GetName())\n\n \treturn nil\n }\n\n### Java\n\n\nBefore trying this sample, follow the Java setup instructions in the\n[Compute Engine quickstart using\nclient libraries](/compute/docs/api/using-libraries).\n\n\nFor more information, see the\n[Compute Engine Java API\nreference documentation](/java/docs/reference/google-cloud-compute/latest/overview).\n\n\nTo authenticate to Compute Engine, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n\n package compute.disks;\n\n import com.google.cloud.compute.v1.https://cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Snapshot.html;\n import com.google.cloud.compute.v1.https://cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.SnapshotsClient.html;\n import java.io.IOException;\n\n public class GetSnapshot {\n\n public static void main(String[] args) throws IOException {\n // TODO(developer): Replace these variables before running the sample.\n // Project ID or project number of the Cloud project you want to use.\n String projectId = \"YOUR_PROJECT_ID\";\n\n // Name of the snapshot to look up.\n String snapshotName = \"YOUR_SNAPSHOT_NAME\";\n\n getSnapshot(projectId, snapshotName);\n }\n\n // Get information about a snapshot.\n public static void getSnapshot(String projectId, String snapshotName) throws IOException {\n // Initialize client that will be used to send requests. This client only needs to be created\n // once, and can be reused for multiple requests. After completing all of your requests, call\n // the `snapshotsClient.close()` method on the client to safely\n // clean up any remaining background resources.\n try (https://cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.SnapshotsClient.html snapshotsClient = https://cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.SnapshotsClient.html.create()) {\n https://cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Snapshot.html snapshot = snapshotsClient.get(projectId, snapshotName);\n System.out.printf(\"Retrieved the snapshot: %s\", snapshot.https://cloud.google.com/java/docs/reference/google-cloud-compute/latest/com.google.cloud.compute.v1.Snapshot.html#com_google_cloud_compute_v1_Snapshot_getName__());\n }\n }\n }\n\n### Python\n\n\nBefore trying this sample, follow the Python setup instructions in the\n[Compute Engine quickstart using\nclient libraries](/compute/docs/api/using-libraries).\n\n\nFor more information, see the\n[Compute Engine Python API\nreference documentation](/python/docs/reference/compute/latest).\n\n\nTo authenticate to Compute Engine, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n from google.cloud import compute_v1\n\n\n def get_snapshot(project_id: str, snapshot_name: str) -\u003e compute_v1.Snapshot:\n \"\"\"\n Get information about a Snapshot.\n\n Args:\n project_id: project ID or project number of the Cloud project you want to use.\n snapshot_name: the name of the snapshot you want to look up.\n\n Returns:\n A Snapshot object.\n \"\"\"\n\n snapshot_client = compute_v1.SnapshotsClient()\n\n return snapshot_client.get(project=project_id, snapshot=snapshot_name)\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=compute)."]]