def _create_netns_with_veth_pair(self, index):
ovs = OvsHelper()
iface1 = 'dev%s' % index
iface2 = 'netns0'
vnet = 'vnet%s' % index
ovs.create_veth_pair(iface1, iface2)
ovs._run_shell('sudo ip netns add %s' % vnet)
ovs._run_shell('sudo ip link set %s netns %s' % (iface2, vnet))
ovs._run_shell('sudo ip -n %s addr add 10.1.1.%s/24 dev %s' %
(vnet, index, iface2))
ovs._run_shell('sudo ip -n %s link set %s up' % (vnet, iface2))
def _delete_netns(self, vnet):
ovs = OvsHelper()
ovs._run_shell('sudo ip netns del %s' % vnet)