Disks - Grant Access

Service:

Compute

API Version:

2024-03-02

Grants access to a disk.

POST https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Compute/disks/{diskName}/beginGetAccess?api-version=2024-03-02

URI Parameters

Name	In	Required	Type	Description
diskName	path	True	string	The name of the managed disk that is being created. The name can't be changed after the disk is created. Supported characters for the name are a-z, A-Z, 0-9, _ and -. The maximum name length is 80 characters.
resourceGroupName	path	True	string	The name of the resource group.
subscriptionId	path	True	string	Subscription credentials which uniquely identify Microsoft Azure subscription. The subscription ID forms part of the URI for every service call.
api-version	query	True	string	Client Api Version.

Request Body

Name	Required	Type	Description
access	True	AccessLevel
durationInSeconds	True	integer	Time duration in seconds until the SAS access expires.
fileFormat		FileFormat	Used to specify the file format when making request for SAS on a VHDX file format snapshot
getSecureVMGuestStateSAS		boolean	Set this flag to true to get additional SAS for VM guest state

Responses

Name	Type	Description
200 OK	AccessUri	OK
202 Accepted		Accepted

Security

azure_auth

Azure Active Directory OAuth2 Flow

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name	Description
user_impersonation	impersonate your user account

Examples

Get a sas on a managed disk.

Get sas on managed disk and VM guest state

Get a sas on a managed disk.

Sample request

HTTP

POST https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/disks/myDisk/beginGetAccess?api-version=2024-03-02

{
  "access": "Read",
  "durationInSeconds": 300,
  "fileFormat": "VHD"
}

Java

import com.azure.resourcemanager.compute.models.AccessLevel;
import com.azure.resourcemanager.compute.models.FileFormat;
import com.azure.resourcemanager.compute.models.GrantAccessData;

/**
 * Samples for Disks GrantAccess.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/
     * Disk_BeginGetAccess.json
     */
    /**
     * Sample code: Get a sas on a managed disk.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void getASasOnAManagedDisk(com.azure.resourcemanager.AzureResourceManager azure) {
        azure.virtualMachines().manager().serviceClient().getDisks().grantAccess("myResourceGroup", "myDisk",
            new GrantAccessData().withAccess(AccessLevel.READ).withDurationInSeconds(300)
                .withFileFormat(FileFormat.VHD),
            com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Python

from typing import Any, IO, Union

from azure.identity import DefaultAzureCredential

from azure.mgmt.compute import ComputeManagementClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-compute
# USAGE
    python disk_begin_get_access.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = ComputeManagementClient(
        credential=DefaultAzureCredential(),
        subscription_id="{subscription-id}",
    )

    response = client.disks.begin_grant_access(
        resource_group_name="myResourceGroup",
        disk_name="myDisk",
        grant_access_data={"access": "Read", "durationInSeconds": 300, "fileFormat": "VHD"},
    ).result()
    print(response)


# x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Go

package armcompute_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v6"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/c7b98b36e4023331545051284d8500adf98f02fe/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess.json
func ExampleDisksClient_BeginGrantAccess_getASasOnAManagedDisk() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armcompute.NewClientFactory("<subscription-id>", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	poller, err := clientFactory.NewDisksClient().BeginGrantAccess(ctx, "myResourceGroup", "myDisk", armcompute.GrantAccessData{
		Access:            to.Ptr(armcompute.AccessLevelRead),
		DurationInSeconds: to.Ptr[int32](300),
		FileFormat:        to.Ptr(armcompute.FileFormatVHD),
	}, nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %v", err)
	}
	res, err := poller.PollUntilDone(ctx, nil)
	if err != nil {
		log.Fatalf("failed to pull the result: %v", err)
	}
	// You could use response here. We use blank identifier for just demo purposes.
	_ = res
	// If the HTTP response code is 200 as defined in example definition, your response structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
	// res.AccessURI = armcompute.AccessURI{
	// 	AccessSAS: to.Ptr("https://md-gpvmcxzlzxgd.partition.blob.storage.azure.net/xx3cqcx53f0v/abcd?sv=2014-02-14&sr=b&sk=key1&sig=XXX&st=2021-05-24T18:02:34Z&se=2021-05-24T18:19:14Z&sp=r"),
	// }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

JavaScript

const { ComputeManagementClient } = require("@azure/arm-compute");
const { DefaultAzureCredential } = require("@azure/identity");

/**
 * This sample demonstrates how to Grants access to a disk.
 *
 * @summary Grants access to a disk.
 * x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess.json
 */
async function getASasOnAManagedDisk() {
  const subscriptionId = process.env["COMPUTE_SUBSCRIPTION_ID"] || "{subscription-id}";
  const resourceGroupName = process.env["COMPUTE_RESOURCE_GROUP"] || "myResourceGroup";
  const diskName = "myDisk";
  const grantAccessData = {
    access: "Read",
    durationInSeconds: 300,
    fileFormat: "VHD",
  };
  const credential = new DefaultAzureCredential();
  const client = new ComputeManagementClient(credential, subscriptionId);
  const result = await client.disks.beginGrantAccessAndWait(
    resourceGroupName,
    diskName,
    grantAccessData,
  );
  console.log(result);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

dotnet

using Azure;
using Azure.ResourceManager;
using System;
using System.Threading.Tasks;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager.Compute.Models;
using Azure.ResourceManager.Resources;
using Azure.ResourceManager.Compute;

// Generated from example definition: specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess.json
// this example is just showing the usage of "Disks_GrantAccess" operation, for the dependent resources, they will have to be created separately.

// get your azure access token, for more details of how Azure SDK get your access token, please refer to https://learn.microsoft.com/en-us/dotnet/azure/sdk/authentication?tabs=command-line
TokenCredential cred = new DefaultAzureCredential();
// authenticate your client
ArmClient client = new ArmClient(cred);

// this example assumes you already have this ManagedDiskResource created on azure
// for more information of creating ManagedDiskResource, please refer to the document of ManagedDiskResource
string subscriptionId = "{subscription-id}";
string resourceGroupName = "myResourceGroup";
string diskName = "myDisk";
ResourceIdentifier managedDiskResourceId = ManagedDiskResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, diskName);
ManagedDiskResource managedDisk = client.GetManagedDiskResource(managedDiskResourceId);

// invoke the operation
GrantAccessData data = new GrantAccessData(AccessLevel.Read, 300)
{
    FileFormat = DiskImageFileFormat.Vhd,
};
ArmOperation<AccessUri> lro = await managedDisk.GrantAccessAsync(WaitUntil.Completed, data);
AccessUri result = lro.Value;

Console.WriteLine($"Succeeded: {result}");

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Sample response

Status code:

200

{
  "accessSAS": "https://md-gpvmcxzlzxgd.partition.blob.storage.azure.net/xx3cqcx53f0v/abcd?sv=2014-02-14&sr=b&sk=key1&sig=XXX&st=2021-05-24T18:02:34Z&se=2021-05-24T18:19:14Z&sp=r"
}

Status code:

202

Location: https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Compute/locations/{location}/operations/{operationId}&monitor=true&api-version=2024-03-02

Get sas on managed disk and VM guest state

Sample request

HTTP

POST https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/disks/myDisk/beginGetAccess?api-version=2024-03-02

{
  "access": "Read",
  "durationInSeconds": 300,
  "getSecureVMGuestStateSAS": true
}

Java

import com.azure.resourcemanager.compute.models.AccessLevel;
import com.azure.resourcemanager.compute.models.GrantAccessData;

/**
 * Samples for Disks GrantAccess.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/
     * Disk_BeginGetAccess_WithVMGuestState.json
     */
    /**
     * Sample code: Get sas on managed disk and VM guest state.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void getSasOnManagedDiskAndVMGuestState(com.azure.resourcemanager.AzureResourceManager azure) {
        azure.virtualMachines().manager().serviceClient().getDisks().grantAccess("myResourceGroup", "myDisk",
            new GrantAccessData().withAccess(AccessLevel.READ).withDurationInSeconds(300)
                .withGetSecureVMGuestStateSas(true),
            com.azure.core.util.Context.NONE);
    }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Python

from typing import Any, IO, Union

from azure.identity import DefaultAzureCredential

from azure.mgmt.compute import ComputeManagementClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-compute
# USAGE
    python disk_begin_get_access_with_vm_guest_state.py

    Before run the sample, please set the values of the client ID, tenant ID and client secret
    of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID,
    AZURE_CLIENT_SECRET. For more info about how to get the value, please see:
    https://docs.microsoft.com/azure/active-directory/develop/howto-create-service-principal-portal
"""


def main():
    client = ComputeManagementClient(
        credential=DefaultAzureCredential(),
        subscription_id="{subscription-id}",
    )

    response = client.disks.begin_grant_access(
        resource_group_name="myResourceGroup",
        disk_name="myDisk",
        grant_access_data={"access": "Read", "durationInSeconds": 300, "getSecureVMGuestStateSAS": True},
    ).result()
    print(response)


# x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess_WithVMGuestState.json
if __name__ == "__main__":
    main()

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Go

package armcompute_test

import (
	"context"
	"log"

	"github.com/Azure/azure-sdk-for-go/sdk/azcore/to"
	"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
	"github.com/Azure/azure-sdk-for-go/sdk/resourcemanager/compute/armcompute/v6"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/c7b98b36e4023331545051284d8500adf98f02fe/specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess_WithVMGuestState.json
func ExampleDisksClient_BeginGrantAccess_getSasOnManagedDiskAndVmGuestState() {
	cred, err := azidentity.NewDefaultAzureCredential(nil)
	if err != nil {
		log.Fatalf("failed to obtain a credential: %v", err)
	}
	ctx := context.Background()
	clientFactory, err := armcompute.NewClientFactory("<subscription-id>", cred, nil)
	if err != nil {
		log.Fatalf("failed to create client: %v", err)
	}
	poller, err := clientFactory.NewDisksClient().BeginGrantAccess(ctx, "myResourceGroup", "myDisk", armcompute.GrantAccessData{
		Access:                   to.Ptr(armcompute.AccessLevelRead),
		DurationInSeconds:        to.Ptr[int32](300),
		GetSecureVMGuestStateSAS: to.Ptr(true),
	}, nil)
	if err != nil {
		log.Fatalf("failed to finish the request: %v", err)
	}
	res, err := poller.PollUntilDone(ctx, nil)
	if err != nil {
		log.Fatalf("failed to pull the result: %v", err)
	}
	// You could use response here. We use blank identifier for just demo purposes.
	_ = res
	// If the HTTP response code is 200 as defined in example definition, your response structure would look as follows. Please pay attention that all the values in the output are fake values for just demo purposes.
	// res.AccessURI = armcompute.AccessURI{
	// 	AccessSAS: to.Ptr("https://md-gpvmcxzlzxgd.partition.blob.storage.azure.net/xx3cqcx53f0v/abcd?sv=2014-02-14&sr=b&sk=key1&sig=XXX&st=2021-05-24T18:02:34Z&se=2021-05-24T18:19:14Z&sp=r"),
	// 	SecurityDataAccessSAS: to.Ptr("https://md-gpvmcxzlzxgd.partition.blob.storage.azure.net/xx3cqcx53f0v/b9bf5824-6122-49e0-ba22-042f76ccd8a1_vmgs?sv=2014-02-14&sr=b&sk=key1&sig=XXX&st=2021-05-24T18:02:34Z&se=2021-05-24T18:19:14Z&sp=r"),
	// }
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

JavaScript

const { ComputeManagementClient } = require("@azure/arm-compute");
const { DefaultAzureCredential } = require("@azure/identity");

/**
 * This sample demonstrates how to Grants access to a disk.
 *
 * @summary Grants access to a disk.
 * x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess_WithVMGuestState.json
 */
async function getSasOnManagedDiskAndVMGuestState() {
  const subscriptionId = process.env["COMPUTE_SUBSCRIPTION_ID"] || "{subscription-id}";
  const resourceGroupName = process.env["COMPUTE_RESOURCE_GROUP"] || "myResourceGroup";
  const diskName = "myDisk";
  const grantAccessData = {
    access: "Read",
    durationInSeconds: 300,
    getSecureVMGuestStateSAS: true,
  };
  const credential = new DefaultAzureCredential();
  const client = new ComputeManagementClient(credential, subscriptionId);
  const result = await client.disks.beginGrantAccessAndWait(
    resourceGroupName,
    diskName,
    grantAccessData,
  );
  console.log(result);
}

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

dotnet

using Azure;
using Azure.ResourceManager;
using System;
using System.Threading.Tasks;
using Azure.Core;
using Azure.Identity;
using Azure.ResourceManager.Compute.Models;
using Azure.ResourceManager.Resources;
using Azure.ResourceManager.Compute;

// Generated from example definition: specification/compute/resource-manager/Microsoft.Compute/DiskRP/stable/2024-03-02/examples/diskExamples/Disk_BeginGetAccess_WithVMGuestState.json
// this example is just showing the usage of "Disks_GrantAccess" operation, for the dependent resources, they will have to be created separately.

// get your azure access token, for more details of how Azure SDK get your access token, please refer to https://learn.microsoft.com/en-us/dotnet/azure/sdk/authentication?tabs=command-line
TokenCredential cred = new DefaultAzureCredential();
// authenticate your client
ArmClient client = new ArmClient(cred);

// this example assumes you already have this ManagedDiskResource created on azure
// for more information of creating ManagedDiskResource, please refer to the document of ManagedDiskResource
string subscriptionId = "{subscription-id}";
string resourceGroupName = "myResourceGroup";
string diskName = "myDisk";
ResourceIdentifier managedDiskResourceId = ManagedDiskResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, diskName);
ManagedDiskResource managedDisk = client.GetManagedDiskResource(managedDiskResourceId);

// invoke the operation
GrantAccessData data = new GrantAccessData(AccessLevel.Read, 300)
{
    GetSecureVmGuestStateSas = true,
};
ArmOperation<AccessUri> lro = await managedDisk.GrantAccessAsync(WaitUntil.Completed, data);
AccessUri result = lro.Value;

Console.WriteLine($"Succeeded: {result}");

To use the Azure SDK library in your project, see this documentation. To provide feedback on this code sample, open a GitHub issue

Sample response

Status code:

200

{
  "accessSAS": "https://md-gpvmcxzlzxgd.partition.blob.storage.azure.net/xx3cqcx53f0v/abcd?sv=2014-02-14&sr=b&sk=key1&sig=XXX&st=2021-05-24T18:02:34Z&se=2021-05-24T18:19:14Z&sp=r",
  "securityDataAccessSAS": "https://md-gpvmcxzlzxgd.partition.blob.storage.azure.net/xx3cqcx53f0v/b9bf5824-6122-49e0-ba22-042f76ccd8a1_vmgs?sv=2014-02-14&sr=b&sk=key1&sig=XXX&st=2021-05-24T18:02:34Z&se=2021-05-24T18:19:14Z&sp=r"
}

Status code:

202

Location: https://management.azure.com/subscriptions/{subscriptionId}/providers/Microsoft.Compute/locations/{location}/operations/{operationId}&monitor=true&api-version=2024-03-02

Definitions

Name	Description
AccessLevel
AccessUri	A disk access SAS uri.
FileFormat	Used to specify the file format when making request for SAS on a VHDX file format snapshot
GrantAccessData	Data used for requesting a SAS.

AccessLevel

Name	Type	Description
None	string
Read	string
Write	string

AccessUri

A disk access SAS uri.

Name	Type	Description
accessSAS	string	A SAS uri for accessing a disk.
securityDataAccessSAS	string	A SAS uri for accessing a VM guest state.

FileFormat

Used to specify the file format when making request for SAS on a VHDX file format snapshot

Name	Type	Description
VHD	string	A VHD file is a disk image file in the Virtual Hard Disk file format.
VHDX	string	A VHDX file is a disk image file in the Virtual Hard Disk v2 file format.

GrantAccessData

Data used for requesting a SAS.

Name	Type	Description
access	AccessLevel
durationInSeconds	integer	Time duration in seconds until the SAS access expires.
fileFormat	FileFormat	Used to specify the file format when making request for SAS on a VHDX file format snapshot
getSecureVMGuestStateSAS	boolean	Set this flag to true to get additional SAS for VM guest state