Adjust details specific to Azure.

def adj_nodes_az(az_nodes):
    """Adjust details specific to Azure."""
    for node in az_nodes:
        node.cloud = "azure"
        node.cloud_disp = "Azure"
        node.private_ips = ip_to_str(node.private_ips)
        node.public_ips = ip_to_str(node.public_ips)
        node.zone = node.extra['location']
        node.size = node.extra['properties']['hardwareProfile']['vmSize']
        group_raw = node.id
        unnsc, group_end = group_raw.split("resourceGroups/", 1)
        group, unnsc = group_end.split("/", 1)
        node.group = group
    return az_nodes