def test_get_segmentation_ids_from_net_list(self):
networks_list = [self.net_1_info, self.net_2_info]
seg_ids = {'gre': [5], 'vlan': [10]}
result = neutron.get_segmentation_ids_from_net_list(networks_list)
self.assertEqual(seg_ids, result)
def test_get_segmentation_ids_from_net_list(self):
networks_list = [self.net_1_info, self.net_2_info]
seg_ids = {'gre': [5],
'vlan': [10]}
result = neutron.get_segmentation_ids_from_net_list(networks_list)
self.assertEqual(seg_ids, result)
def get_overlapping_networks(self, dst_info):
"""
Get lists of networks, that overlap with the DST.
:param dst_info: NetworkInfo instance of DST cloud
:return nets_with_overlapping_subnets, nets_with_overlapping_seg_ids:
Tuple of lists with overlapping networks IDs.
1. List of networks IDs with overlapping subnets;
2. List of networks IDs with overlapping segmentation IDs.
"""
dst_net_info = dst_info.networks_info
dst_seg_ids = neutron.get_segmentation_ids_from_net_list(dst_net_info)
nets_with_overlapping_subnets = []
nets_with_overlapping_seg_ids = []
for network in self.get_networks():
dst_net = dst_info.by_hash.get(network.hash)
if dst_net:
if dst_net.external:
# Skip external network due to it's checking later
continue
# Current network matches with network on DST
# Have the same networks on SRC and DST
LOG.debug("SRC network: '%s', DST network: '%s'",
network.id, dst_net.id)
try:
network.check_network_overlapping(dst_net)
except exception.AbortMigrationError:
nets_with_overlapping_subnets.append(network.id)
else:
# Current network does not match with any network on DST
# Check Segmentation ID overlapping with DST
LOG.debug("Check segmentation ID for SRC network: '%s'",
network.id)
try:
network.check_segmentation_id_overlapping(dst_seg_ids)
except exception.AbortMigrationError:
dst_network = dst_info.get_network_by_segmentation_id(
network.network_type, network.seg_id)
overlap = {'src_net_id': network.id,
'dst_net_id': dst_network.id}
nets_with_overlapping_seg_ids.append(overlap)
# remove duplicates, cause 1 net may have several overlapping subnets
nets_with_overlapping_subnets = list(
set(nets_with_overlapping_subnets))
return nets_with_overlapping_subnets, nets_with_overlapping_seg_ids
def missing_vlan_physnets(self, dst_info, dst_neutron_client):
"""
Get list of missing physical networks for VLAN network type.
:param dst_info: NetworkInfo instance of DST cloud
:param dst_neutron_client: DST neutron client
:return: List of missing VLAN physnets.
"""
missing_vlan_physnets = []
dst_vlan_physnets = [net.physnet for net in dst_info.get_networks() if
net.network_type == 'vlan']
# We need to specify segmentation ID in case of VLAN network creation
# in OpenStack versions earlier than Juno (f.e. Icehouse, Grizzly etc.)
dst_seg_ids = neutron.get_segmentation_ids_from_net_list(
dst_info.networks_info)
# We do not care about free segmentation ID on source cloud, we only
# need to have destination one for checking purpose
free_seg_id = neutron.generate_new_segmentation_id(dst_seg_ids,
dst_seg_ids,
'vlan')
for network in self.get_networks():
if network.network_type != 'vlan':
continue
if network.physnet in dst_vlan_physnets:
continue
try:
network_info = {
'network': {
'provider:physical_network': network.physnet,
'provider:network_type': 'vlan',
'provider:segmentation_id': free_seg_id
}
}
new_net = dst_neutron_client.create_network(network_info)
except neutron_exc.NeutronClientException:
missing_vlan_physnets.append(network.physnet)
else:
dst_neutron_client.delete_network(new_net['network']['id'])
return missing_vlan_physnets
