def test_hw_remap(self):
"""Test remapping of attachment bridge port numbers to hw port numbers"""
# Create a basic string topo
peer_link = FaucetTopoGenerator.peer_link
switch_map = {1:'p1', 2:'p2', 3:'p3', 4:'p4', 5:'p5', 6:'p6'}
n_dps = len(self.dpids)
n_tagged = 2
n_untagged = 2
host_links, host_vlans = FaucetTopoGenerator.tagged_untagged_hosts(
n_dps, n_tagged, n_untagged)
dp_links = FaucetTopoGenerator.dp_links_networkx_graph(
networkx.path_graph(n_dps), n_dp_links=2)
args = self.string_of_dp_args(
dp_links=dp_links,
host_links=host_links,
host_vlans=host_vlans,
vlan_vids=self.vlan_vids,
start_port=5,
hw_dpid='1',
switch_map=switch_map)
topo = FaucetTopoGenerator(**args)
# Verify switch ports
switch_ports = {dpid: topo.dpid_ports(dpid) for dpid in self.dpids}
self.assertEqual(
switch_ports,
# 4 host ports and 2/4/2 peer links, respectively
{
# "Hardware" switch should start at 1
'1': [1, 2, 3, 4, 5, 6],
# Software switches start at start_port
'2': [5, 6, 7, 8, 9, 10, 11, 12],
'3': [5, 6, 7, 8, 9, 10]
},
"switch ports are incorrect")
# Verify peer links
peer_links = {dpid: topo.dpid_peer_links(dpid) for dpid in self.dpids}
self.assertEqual(
peer_links,
# Should be linked to previous and next switch
{
'1': [
peer_link(port=5, peer_dpid='2', peer_port=9),
peer_link(port=6, peer_dpid='2', peer_port=10)
],
'2': [
peer_link(port=9, peer_dpid='1', peer_port=5),
peer_link(port=10, peer_dpid='1', peer_port=6),
peer_link(port=11, peer_dpid='3', peer_port=9),
peer_link(port=12, peer_dpid='3', peer_port=10)
],
'3': [
peer_link(port=9, peer_dpid='2', peer_port=11),
peer_link(port=10, peer_dpid='2', peer_port=12)
]
},
"peer links are incorrect")
def test_string_of_dp_sanity(self):
"""FaucetTopoGenerator sanity test"""
# Create a basic string topo
n_dps = len(self.dpids)
n_tagged = 2
n_untagged = 2
peer_link = FaucetTopoGenerator.peer_link
host_links, host_vlans = FaucetTopoGenerator.tagged_untagged_hosts(
n_dps, n_tagged, n_untagged)
dp_links = FaucetTopoGenerator.dp_links_networkx_graph(
networkx.path_graph(n_dps), n_dp_links=2)
args = self.string_of_dp_args(
dp_links=dp_links,
host_links=host_links,
host_vlans=host_vlans,
vlan_vids=self.vlan_vids,
start_port=1)
topo = FaucetTopoGenerator(**args)
# Verify switch ports
ports = {dpid: topo.dpid_ports(dpid) for dpid in self.dpids}
self.assertEqual(
ports,
# 4 host ports and 2/4/2 peer links, respectively
{
'1': [1, 2, 3, 4, 5, 6],
'2': [1, 2, 3, 4, 5, 6, 7, 8],
'3': [1, 2, 3, 4, 5, 6]
},
"switch ports are incorrect")
# Verify peer links
peer_links = {dpid: topo.dpid_peer_links(dpid) for dpid in self.dpids}
self.assertEqual(
peer_links,
# Should be linked to previous and next switch
{
'1': [
peer_link(port=5, peer_dpid='2', peer_port=5),
peer_link(port=6, peer_dpid='2', peer_port=6)
],
'2': [
peer_link(port=5, peer_dpid='1', peer_port=5),
peer_link(port=6, peer_dpid='1', peer_port=6),
peer_link(port=7, peer_dpid='3', peer_port=5),
peer_link(port=8, peer_dpid='3', peer_port=6)
],
'3': [
peer_link(port=5, peer_dpid='2', peer_port=7),
peer_link(port=6, peer_dpid='2', peer_port=8)
]
},
"peer links are incorrect")