'Makes an Linode API call to get the list of nodes.'

def get_nodes(self):

    try:
        for node in Linode.search(status=Linode.STATUS_RUNNING):
            self.add_node(node)
    except chube_api.linode_api.ApiError as e:
        sys.exit(("Looks    like    Linode's    API    is    down:\n    %s" % e))
