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HI,
I have an issue with an update to an Azure virtual machine that I am hoping someone can help me with.

1. Create a new stack with the following new resources:
	a) Network Security Group
	b) Security Rule
	c) Public IP
	d) Route Table
	e) Network Interfaces
	f) Virtual Machine

2. Update the stack created in #1:
	a) Add new network interface
	b) Attach to the VM

we encountering a challenge: In the compute package ("<http://github.com/pulumi/pulumi-azure-native/sdk/go/azure/compute|github.com/pulumi/pulumi-azure-native/sdk/go/azure/compute>"), we cannot find a method to update an existing VM to attach a new interface. While there is "compute.NewVirtualMachine" to create a new VM, there is no "compute.UpdateVirtualMachine" to update an existing VM.

*Suggestions Needed*: I'm looking for ways to update the existing VM that is part of the stack without deleting and recreating it.

Pulumi takes a declarative approach here. You simply update the VirtualMachine object (<https://www.pulumi.com/registry/packages/azure-native/api-docs/compute/virtualmachine/#networkprofile_nodejs>) in your program, then `pulumi up` will see that it changed and perform the necessary changes.