X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FNodePath.py;h=dfcee4d7201c673efa5276c597c5644a51de1d3e;hp=51808c3edf7bc04f7b517d5c90832d86f87fea44;hb=c8790d06d412b1daf303f6da9d8d11d97d053697;hpb=ae7411c745d47a70bb36c3d5cb6b2907f5697e57 diff --git a/resources/libraries/python/NodePath.py b/resources/libraries/python/NodePath.py index 51808c3edf..dfcee4d720 100644 --- a/resources/libraries/python/NodePath.py +++ b/resources/libraries/python/NodePath.py @@ -13,7 +13,7 @@ """Path utilities library for nodes in the topology.""" -from topology import Topology +from resources.libraries.python.topology import Topology class NodePath(object): @@ -55,16 +55,20 @@ class NodePath(object): def __init__(self): self._nodes = [] + self._nodes_filter = [] self._links = [] self._path = [] self._path_iter = [] - def append_node(self, node): + def append_node(self, node, filter_list=None): """Append node to the path. :param node: Node to append to the path. + :param filter_list: Filter criteria list. :type node: dict + :type filter_list: list of strings """ + self._nodes_filter.append(filter_list) self._nodes.append(node) def append_nodes(self, *nodes): @@ -81,6 +85,7 @@ class NodePath(object): def clear_path(self): """Clear path.""" self._nodes = [] + self._nodes_filter = [] self._links = [] self._path = [] self._path_iter = [] @@ -89,13 +94,14 @@ class NodePath(object): """Compute path for added nodes. :param always_same_link: If True use always same link between two nodes - in path. If False use different link (if available) between two - nodes if one link was used before. + in path. If False use different link (if available) between two + nodes if one link was used before. :type always_same_link: bool .. note:: First add at least two nodes to the topology. """ nodes = self._nodes + nodes_filer = self._nodes_filter if len(nodes) < 2: raise RuntimeError('Not enough nodes to compute path') @@ -103,21 +109,22 @@ class NodePath(object): topo = Topology() node1 = nodes[idx] node2 = nodes[idx + 1] - links = topo.get_active_connecting_links(node1, node2) + n1_list = self._nodes_filter[idx] + n2_list = self._nodes_filter[idx + 1] + links = topo.get_active_connecting_links(node1, node2, + filter_list_node1=n1_list, + filter_list_node2=n2_list) if not links: raise RuntimeError('No link between {0} and {1}'.format( node1['host'], node2['host'])) - link = None - l_set = set() - if always_same_link: l_set = set(links).intersection(self._links) else: l_set = set(links).difference(self._links) if not l_set: raise RuntimeError( - 'No free link between {0} and {1}, all links already ' \ + 'No free link between {0} and {1}, all links already ' 'used'.format(node1['host'], node2['host'])) if not l_set: @@ -143,7 +150,7 @@ class NodePath(object): .. note:: Call compute_path before. """ if not self._path_iter: - return (None, None) + return None, None else: return self._path_iter.pop()