New version of RF tests.

[csit.git] / resources / libraries / python / IPv6NodesAddr.py

diff --git a/resources/libraries/python/IPv6NodesAddr.py b/resources/libraries/python/IPv6NodesAddr.py
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+++ b/resources/libraries/python/IPv6NodesAddr.py
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+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Robot framework variable file.
+
+   Create dictionary variable nodes_ipv6_addr with IPv6 adresses from available
+   networks.
+"""
+
+from IPv6Setup import IPv6Networks
+from topology import Topology
+
+# Default list of available IPv6 networks
+IPV6_NETWORKS = ['db01::/64', 'db02::/64', 'db03::/64']
+
+
+def get_variables(nodes, networks=IPV6_NETWORKS):
+    """Special robot framework method that returns dictionary nodes_ipv6_addr,
+       mapping of node and interface name to IPv6 adddress.
+
+       :param nodes: Nodes of the test topology.
+       :param networks: list of available IPv6 networks
+       :type nodes: dict
+       :type networks: list
+
+       .. note::
+           Robot framework calls it automatically.
+    """
+    topo = Topology()
+    links = topo.get_links(nodes)
+
+    if len(links) > len(networks):
+        raise Exception('Not enough available IPv6 networks for topology.')
+
+    ip6_n = IPv6Networks(networks)
+
+    nets = {}
+
+    for link in links:
+        ip6_net = ip6_n.next_network()
+        net_hosts = ip6_net.hosts()
+        port_idx = 0
+        ports = {}
+        for node in nodes.values():
+            if_name = topo.get_interface_by_link_name(node, link)
+            if if_name is not None:
+                port = {'addr': str(next(net_hosts)),
+                        'node': node['host'],
+                        'if': if_name}
+                port_idx += 1
+                port_id = 'port{0}'.format(port_idx)
+                ports.update({port_id: port})
+        nets.update({link: {'net_addr': str(ip6_net.network_address),
+                            'prefix': ip6_net.prefixlen,
+                            'ports': ports}})
+
+    return {'DICT__nodes_ipv6_addr': nets}