X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=resources%2Flibraries%2Fpython%2FNodePath.py;fp=resources%2Flibraries%2Fpython%2FNodePath.py;h=6700ddfe2a56aec5fc0e5b9bf2ee4416e2e538fd;hp=d1aa1f76d4bbf21c4d7b6d1fafb4e5e102a7bd29;hb=3936756adb84508ef7ada2cc9016eb449fba2024;hpb=ae0e807c1ea95d3f2ec16a4c7aa9ee027d18c854

diff --git a/resources/libraries/python/NodePath.py b/resources/libraries/python/NodePath.py
index d1aa1f76d4..6700ddfe2a 100644
--- a/resources/libraries/python/NodePath.py
+++ b/resources/libraries/python/NodePath.py
@@ -115,6 +115,10 @@ class NodePath(object):
                 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 ' +
+                        'used'.format(node1['host'], node2['host']))
 
             if not l_set:
                 link = links.pop()