Virtual Machine Scale Set VM Extensions - Create Or Update

PUT https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/virtualMachineScaleSets/myvmScaleSet/virtualMachines/0/extensions/myVMExtension?api-version=2025-04-01

{
  "properties": {
    "autoUpgradeMinorVersion": true,
    "publisher": "extPublisher",
    "type": "extType",
    "typeHandlerVersion": "1.2",
    "settings": {
      "UserName": "xyz@microsoft.com"
    }
  }
}

import com.azure.core.management.serializer.SerializerFactory;
import com.azure.core.util.serializer.SerializerEncoding;
import com.azure.resourcemanager.compute.fluent.models.VirtualMachineScaleSetVMExtensionInner;
import java.io.IOException;

/**
 * Samples for VirtualMachineScaleSetVMExtensions CreateOrUpdate.
 */
public final class Main {
    /*
     * x-ms-original-file:
     * specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/
     * virtualMachineScaleSetExamples/VirtualMachineScaleSetVMExtension_Create.json
     */
    /**
     * Sample code: Create VirtualMachineScaleSet VM extension.
     * 
     * @param azure The entry point for accessing resource management APIs in Azure.
     */
    public static void createVirtualMachineScaleSetVMExtension(com.azure.resourcemanager.AzureResourceManager azure)
        throws IOException {
        azure.virtualMachines().manager().serviceClient().getVirtualMachineScaleSetVMExtensions().createOrUpdate(
            "myResourceGroup", "myvmScaleSet", "0", "myVMExtension",
            new VirtualMachineScaleSetVMExtensionInner().withPublisher("extPublisher").withTypePropertiesType("extType")
                .withTypeHandlerVersion("1.2").withAutoUpgradeMinorVersion(true)
                .withSettings(SerializerFactory.createDefaultManagementSerializerAdapter()
                    .deserialize("{\"UserName\":\"xyz@microsoft.com\"}", Object.class, SerializerEncoding.JSON)),
            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

from azure.identity import DefaultAzureCredential

from azure.mgmt.compute import ComputeManagementClient

"""
# PREREQUISITES
    pip install azure-identity
    pip install azure-mgmt-compute
# USAGE
    python virtual_machine_scale_set_vm_extension_create.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.virtual_machine_scale_set_vm_extensions.begin_create_or_update(
        resource_group_name="myResourceGroup",
        vm_scale_set_name="myvmScaleSet",
        instance_id="0",
        vm_extension_name="myVMExtension",
        extension_parameters={
            "properties": {
                "autoUpgradeMinorVersion": True,
                "publisher": "extPublisher",
                "settings": {"UserName": "xyz@microsoft.com"},
                "type": "extType",
                "typeHandlerVersion": "1.2",
            }
        },
    ).result()
    print(response)


# x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineScaleSetExamples/VirtualMachineScaleSetVMExtension_Create.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

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/v7"
)

// Generated from example definition: https://github.com/Azure/azure-rest-api-specs/blob/7033e85e1f80ef5cd9ca664b538ed193a8fd815b/specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineScaleSetExamples/VirtualMachineScaleSetVMExtension_Create.json
func ExampleVirtualMachineScaleSetVMExtensionsClient_BeginCreateOrUpdate() {
	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.NewVirtualMachineScaleSetVMExtensionsClient().BeginCreateOrUpdate(ctx, "myResourceGroup", "myvmScaleSet", "0", "myVMExtension", armcompute.VirtualMachineScaleSetVMExtension{
		Properties: &armcompute.VirtualMachineExtensionProperties{
			Type:                    to.Ptr("extType"),
			AutoUpgradeMinorVersion: to.Ptr(true),
			Publisher:               to.Ptr("extPublisher"),
			Settings: map[string]any{
				"UserName": "xyz@microsoft.com",
			},
			TypeHandlerVersion: to.Ptr("1.2"),
		},
	}, 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.VirtualMachineScaleSetVMExtension = armcompute.VirtualMachineScaleSetVMExtension{
	// 	ID: to.Ptr("/subscriptions/{subscriptionId}/resourceGroups/myResourceGroup/providers/Microsoft.Compute/virtualMachineScaleSets/myvmScaleSet/virtualMachines/0/extensions/myVMExtension"),
	// 	Name: to.Ptr("myVMExtension"),
	// 	Type: to.Ptr("Microsoft.Compute/virtualMachineScaleSets/virtualMachines/extensions"),
	// 	Properties: &armcompute.VirtualMachineExtensionProperties{
	// 		Type: to.Ptr("extType"),
	// 		AutoUpgradeMinorVersion: to.Ptr(true),
	// 		ProvisioningState: to.Ptr("Succeeded"),
	// 		Publisher: to.Ptr("extPublisher"),
	// 		Settings: map[string]any{
	// 			"UserName": "xyz@microsoft.com",
	// 		},
	// 		TypeHandlerVersion: to.Ptr("1.2"),
	// 	},
	// }
}

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

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

/**
 * This sample demonstrates how to The operation to create or update the VMSS VM extension.
 *
 * @summary The operation to create or update the VMSS VM extension.
 * x-ms-original-file: specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineScaleSetExamples/VirtualMachineScaleSetVMExtension_Create.json
 */
async function createVirtualMachineScaleSetVMExtension() {
  const subscriptionId = process.env["COMPUTE_SUBSCRIPTION_ID"] || "{subscription-id}";
  const resourceGroupName = process.env["COMPUTE_RESOURCE_GROUP"] || "myResourceGroup";
  const vmScaleSetName = "myvmScaleSet";
  const instanceId = "0";
  const vmExtensionName = "myVMExtension";
  const extensionParameters = {
    typePropertiesType: "extType",
    autoUpgradeMinorVersion: true,
    publisher: "extPublisher",
    settings: { UserName: "xyz@microsoft.com" },
    typeHandlerVersion: "1.2",
  };
  const credential = new DefaultAzureCredential();
  const client = new ComputeManagementClient(credential, subscriptionId);
  const result = await client.virtualMachineScaleSetVMExtensions.beginCreateOrUpdateAndWait(
    resourceGroupName,
    vmScaleSetName,
    instanceId,
    vmExtensionName,
    extensionParameters,
  );
  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

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

// Generated from example definition: specification/compute/resource-manager/Microsoft.Compute/ComputeRP/stable/2025-04-01/examples/virtualMachineScaleSetExamples/VirtualMachineScaleSetVMExtension_Create.json
// this example is just showing the usage of "VirtualMachineScaleSetVMExtensions_CreateOrUpdate" 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 VirtualMachineScaleSetVmResource created on azure
// for more information of creating VirtualMachineScaleSetVmResource, please refer to the document of VirtualMachineScaleSetVmResource
string subscriptionId = "{subscription-id}";
string resourceGroupName = "myResourceGroup";
string virtualMachineScaleSetName = "myvmScaleSet";
string instanceId = "0";
ResourceIdentifier virtualMachineScaleSetVmResourceId = VirtualMachineScaleSetVmResource.CreateResourceIdentifier(subscriptionId, resourceGroupName, virtualMachineScaleSetName, instanceId);
VirtualMachineScaleSetVmResource virtualMachineScaleSetVm = client.GetVirtualMachineScaleSetVmResource(virtualMachineScaleSetVmResourceId);

// get the collection of this VirtualMachineScaleSetVmExtensionResource
VirtualMachineScaleSetVmExtensionCollection collection = virtualMachineScaleSetVm.GetVirtualMachineScaleSetVmExtensions();

// invoke the operation
string vmExtensionName = "myVMExtension";
VirtualMachineScaleSetVmExtensionData data = new VirtualMachineScaleSetVmExtensionData
{
    Publisher = "extPublisher",
    ExtensionType = "extType",
    TypeHandlerVersion = "1.2",
    AutoUpgradeMinorVersion = true,
    Settings = BinaryData.FromObjectAsJson(new
    {
        UserName = "xyz@microsoft.com",
    }),
};
ArmOperation<VirtualMachineScaleSetVmExtensionResource> lro = await collection.CreateOrUpdateAsync(WaitUntil.Completed, vmExtensionName, data);
VirtualMachineScaleSetVmExtensionResource result = lro.Value;

// the variable result is a resource, you could call other operations on this instance as well
// but just for demo, we get its data from this resource instance
VirtualMachineScaleSetVmExtensionData resourceData = result.Data;
// for demo we just print out the id
Console.WriteLine($"Succeeded on id: {resourceData.Id}");

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