Please add parameter to select IP address provisioning type when autoPoolMode and vnet is set in config file

[zjupNN]

New feature

Hi, it would be good to have an option to select IP address provisioning type (BatchManaged/UserManaged/NoPublicIPAddresses) when the autoPoolMode is set to true and a pool has a vnet assigned.

Usage scenario

As a data engineer
I would like to be able to run a pipeline on an automatically created pool in azure batch
that is assigned to specific vnet and has a IP address provisioning type set to one of the options: BatchManaged/UserManaged/NoPublicIPAddresses
so that we're meeting company compliance policies.

Suggest implementation

Example config for azure batch with new parameter:

azure {
    managedIdentity {
        system = true
    }
    storage {
        accountName = "storageaccount"
    }
    batch {
        accountName = 'batchaccount' 
        location = 'westeurope'
        autoPoolMode = true
        pools {
            auto {
                virtualNetwork = 'vnet'
                ipAddress = 'BatchManaged/UserManaged/NoPublicIPAddresses'  #works only if vnet is defined
            }
        }
    }
}

within that setup the azure batch pool will be created with an expected IP address provisioning setup.