Return a node for the named VM

def get_node(conn, name):
    '''
    Return a node for the named VM
    '''
    datacenter_id = get_datacenter_id()

    for item in conn.list_servers(datacenter_id)['items']:
        if item['properties']['name'] == name:
            node = {'id': item['id']}
            node.update(item['properties'])
            return node