def test_create_subnet_vpnservice(self):
self.neutron.create_vpnservice.side_effect = tools.get_neutron_create(
'vpnservice', fakes.ID_OS_VPNSERVICE_1)
context = base.create_context()
cleaner = common.OnCrashCleaner()
vpn_gateway_api._create_subnet_vpnservice(
context, self.neutron, cleaner,
copy.deepcopy(self.DB_SUBNET_1_NO_VPN), fakes.DB_VPC_1)
self.neutron.create_vpnservice.assert_called_once_with(
{'vpnservice': tools.purge_dict(fakes.OS_VPNSERVICE_1,
('id',))})
self.db_api.update_item.assert_called_once_with(
mock.ANY, fakes.DB_SUBNET_1)
try:
with common.OnCrashCleaner() as cleaner:
vpn_gateway_api._create_subnet_vpnservice(
context, self.neutron, cleaner,
copy.deepcopy(self.DB_SUBNET_1_NO_VPN), fakes.DB_VPC_1)
raise Exception('fake-exception')
except Exception as ex:
if str(ex) != 'fake-exception':
raise
self.db_api.update_item.assert_called_with(
mock.ANY, self.DB_SUBNET_1_NO_VPN)
self.neutron.delete_vpnservice.assert_called_once_with(
fakes.ID_OS_VPNSERVICE_1)
def replace_route_table_association(context, association_id, route_table_id):
route_table = ec2utils.get_db_item(context, route_table_id)
if route_table['vpc_id'] == ec2utils.change_ec2_id_kind(
association_id, 'vpc'):
vpc = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(association_id, 'vpc'))
if vpc is None:
raise exception.InvalidAssociationIDNotFound(id=association_id)
rollabck_route_table_object = db_api.get_item_by_id(
context, vpc['route_table_id'])
with common.OnCrashCleaner() as cleaner:
_associate_vpc_item(context, vpc, route_table['id'])
cleaner.addCleanup(_associate_vpc_item, context, vpc,
rollabck_route_table_object['id'])
# NOTE(ft): this can cause unnecessary update of subnets, which are
# associated with the route table
_update_routes_in_associated_subnets(context,
route_table,
cleaner,
rollabck_route_table_object,
is_main=True)
else:
subnet = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(association_id, 'subnet'))
if subnet is None or 'route_table_id' not in subnet:
raise exception.InvalidAssociationIDNotFound(id=association_id)
if subnet['vpc_id'] != route_table['vpc_id']:
msg = _('Route table association %(rtbassoc_id)s and route table '
'%(rtb_id)s belong to different networks')
msg = msg % {
'rtbassoc_id': association_id,
'rtb_id': route_table_id
}
raise exception.InvalidParameterValue(msg)
rollabck_route_table_object = db_api.get_item_by_id(
context, subnet['route_table_id'])
with common.OnCrashCleaner() as cleaner:
_associate_subnet_item(context, subnet, route_table['id'])
cleaner.addCleanup(_associate_subnet_item, context, subnet,
rollabck_route_table_object['id'])
_update_subnet_host_routes(
context,
subnet,
route_table,
cleaner=cleaner,
rollback_route_table_object=rollabck_route_table_object)
return {'newAssociationId': association_id}
def test_delete_subnet_vpn(self):
context = base.create_context()
cleaner = common.OnCrashCleaner()
# subnet is not connected to the vpn
vpn_connection_api._delete_subnet_vpn(context, self.neutron, cleaner,
fakes.DB_SUBNET_1,
fakes.DB_VPN_CONNECTION_1)
self.assertFalse(self.db_api.update_item.called)
self.assertFalse(self.neutron.delete_ipsec_site_connection.called)
# delete subnet vpn connection
vpn_connection_api._delete_subnet_vpn(
context, self.neutron, cleaner, fakes.DB_SUBNET_2,
copy.deepcopy(fakes.DB_VPN_CONNECTION_1))
self.db_api.update_item.assert_called_once_with(
mock.ANY,
tools.update_dict(fakes.DB_VPN_CONNECTION_1,
{'os_ipsec_site_connections': {}}))
self.neutron.delete_ipsec_site_connection.assert_called_once_with(
fakes.ID_OS_IPSEC_SITE_CONNECTION_2)
# delete subnet vpn connection, leave connections of other subnets
self.db_api.reset_mock()
self.neutron.reset_mock()
id_os_connection = fakes.random_os_id()
vpn_connection_1 = copy.deepcopy(fakes.DB_VPN_CONNECTION_1)
(vpn_connection_1['os_ipsec_site_connections'][fakes.ID_EC2_SUBNET_1]
) = id_os_connection
vpn_connection_api._delete_subnet_vpn(context, self.neutron, cleaner,
fakes.DB_SUBNET_1,
vpn_connection_1)
self.db_api.update_item.assert_called_once_with(
mock.ANY, fakes.DB_VPN_CONNECTION_1)
self.neutron.delete_ipsec_site_connection.assert_called_once_with(
id_os_connection)
# rollback of deleting subnet vpn connection
self.db_api.reset_mock()
self.neutron.reset_mock()
try:
with common.OnCrashCleaner() as cleaner:
vpn_connection_api._delete_subnet_vpn(
context, self.neutron, cleaner, fakes.DB_SUBNET_2,
copy.deepcopy(fakes.DB_VPN_CONNECTION_1))
raise Exception('fake-exception')
except Exception as ex:
if ex.message != 'fake-exception':
raise
self.db_api.update_item.assert_called_with(mock.ANY,
fakes.DB_VPN_CONNECTION_1)
self.assertFalse(self.neutron.create_ipsec_site_connection.called)
def detach_internet_gateway(context, internet_gateway_id, vpc_id):
igw = ec2utils.get_db_item(context, internet_gateway_id)
vpc = ec2utils.get_db_item(context, vpc_id)
LOG.info('Detaching %(igw)s internet-gateway from %(vpc)s.',
{'igw': str(igw), 'vpc': str(vpc)})
if igw.get('vpc_id') != vpc['id']:
raise exception.GatewayNotAttached(gw_id=igw['id'],
vpc_id=vpc['id'])
remove_os_gateway_router = (
ec2utils.get_attached_gateway(context, vpc_id, 'vgw') is None)
neutron = clients.neutron(context)
# TODO(ft): set detaching state into db
with common.OnCrashCleaner() as cleaner:
_detach_internet_gateway_item(context, igw)
cleaner.addCleanup(_attach_internet_gateway_item,
context, igw, vpc['id'])
if remove_os_gateway_router:
try:
neutron.remove_gateway_router(vpc['os_id'])
except neutron_exception.NotFound:
pass
except Exception as ex:
floatingips=neutron.list_floatingips(tenant_id=context.project_id)['floatingips']
LOG.info('Existing floating ips: %(floatingips)s. Exception: %(ex)s.',
{'floatingips': floatingips, 'ex': ex})
return True
def delete_route(context, route_table_id, destination_cidr_block):
route_table = ec2utils.get_db_item(context, route_table_id)
for route_index, route in enumerate(route_table['routes']):
if route['destination_cidr_block'] != destination_cidr_block:
continue
if route.get('gateway_id', 0) is None:
msg = _('cannot remove local route %(destination_cidr_block)s '
'in route table %(route_table_id)s')
msg = msg % {'route_table_id': route_table_id,
'destination_cidr_block': destination_cidr_block}
raise exception.InvalidParameterValue(msg)
break
else:
raise exception.InvalidRouteNotFound(
route_table_id=route_table_id,
destination_cidr_block=destination_cidr_block)
update_target = _get_route_target(route)
if update_target == VPN_TARGET:
vpn_gateway = db_api.get_item_by_id(context, route['gateway_id'])
if (not vpn_gateway or
vpn_gateway['vpc_id'] != route_table['vpc_id']):
update_target = None
rollback_route_table_state = copy.deepcopy(route_table)
del route_table['routes'][route_index]
with common.OnCrashCleaner() as cleaner:
db_api.update_item(context, route_table)
cleaner.addCleanup(db_api.update_item, context,
rollback_route_table_state)
if update_target:
_update_routes_in_associated_subnets(
context, cleaner, route_table, update_target=update_target)
return True
def disassociate_route_table(context, association_id):
subnet = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(association_id, 'subnet'))
if not subnet:
vpc = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(association_id, 'vpc'))
if vpc is None:
raise exception.InvalidAssociationIDNotFound(id=association_id)
msg = _('Cannot disassociate the main route table association '
'%(rtbassoc_id)s') % {'rtbassoc_id': association_id}
raise exception.InvalidParameterValue(msg)
if 'route_table_id' not in subnet:
raise exception.InvalidAssociationIDNotFound(id=association_id)
rollback_route_table_id = subnet['route_table_id']
vpc = db_api.get_item_by_id(context, subnet['vpc_id'])
main_route_table = db_api.get_item_by_id(context, vpc['route_table_id'])
with common.OnCrashCleaner() as cleaner:
_disassociate_subnet_item(context, subnet)
cleaner.addCleanup(_associate_subnet_item, context, subnet,
rollback_route_table_id)
_update_subnet_routes(context, cleaner, subnet, main_route_table)
return True
def create_snapshot(context, volume_id, description=None):
volume = ec2utils.get_db_item(context, volume_id)
cinder = clients.cinder(context)
os_volume = cinder.volumes.get(volume['os_id'])
# NOTE(ft): Easy fix to allow snapshot creation in statuses other than
# AVAILABLE without cinder modifications. Potential race condition
# though. Seems arguably non-fatal.
if os_volume.status not in [
'available', 'in-use', 'attaching', 'detaching'
]:
msg = (_("'%s' is not in a state where snapshots are allowed.") %
volume_id)
raise exception.IncorrectState(reason=msg)
with common.OnCrashCleaner() as cleaner:
os_snapshot = cinder.volume_snapshots.create(
os_volume.id, force=True, display_description=description)
cleaner.addCleanup(os_snapshot.delete)
snapshot = db_api.add_item(context, 'snap', {'os_id': os_snapshot.id})
cleaner.addCleanup(db_api.delete_item, context, snapshot['id'])
os_snapshot.update(display_name=snapshot['id'])
return _format_snapshot(context,
snapshot,
os_snapshot,
volume_id=volume_id)
def disassociate_address(self, context, public_ip=None,
association_id=None):
LOG.info('Disassociating %s', association_id)
neutron = clients.neutron(context)
floatingips=neutron.list_floatingips(tenant_id=context.project_id)['floatingips']
LOG.info('Existing floating ips: %s', floatingips)
if public_ip:
# TODO(ft): implement search in DB layer
address = next((addr for addr in db_api.get_items(context,
'eipalloc')
if addr['public_ip'] == public_ip), None)
if not CONF.disable_ec2_classic:
if address and _is_address_valid(context, neutron, address):
msg = _('You must specify an association id when '
'unmapping an address from a VPC instance')
raise exception.InvalidParameterValue(msg)
# NOTE(tikitavi): check the public IP exists to raise AWS
# exception otherwise
os_floating_ip = self.get_os_floating_ip_by_public_ip(
context, public_ip)
os_ports = self.get_os_ports(context)
os_instance_id = _get_os_instance_id(context, os_floating_ip,
os_ports)
if os_instance_id:
nova = clients.nova(context)
nova.servers.remove_floating_ip(os_instance_id, public_ip)
return None
if not address:
msg = _("The address '%(public_ip)s' does not belong to you.")
raise exception.AuthFailure(msg % {'public_ip': public_ip})
if 'network_interface_id' not in address:
msg = _('You must specify an association id when unmapping '
'an address from a VPC instance')
raise exception.InvalidParameterValue(msg)
association_id = ec2utils.change_ec2_id_kind(address['id'],
'eipassoc')
address = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(association_id, 'eipalloc'))
LOG.info('DB address: %s', address)
if address is None or not _is_address_valid(context, neutron, address):
raise exception.InvalidAssociationIDNotFound(
id=association_id)
if 'network_interface_id' in address:
with common.OnCrashCleaner() as cleaner:
network_interface_id = address['network_interface_id']
private_ip_address = address['private_ip_address']
LOG.info('Disassociating %(private_ip_address)s from interface %(network_interface_id)s',
{'private_ip_address': private_ip_address, 'network_interface_id': network_interface_id})
_disassociate_address_item(context, address)
cleaner.addCleanup(_associate_address_item, context, address,
network_interface_id, private_ip_address)
update = neutron.update_floatingip(address['os_id'],
{'floatingip': {'port_id': None}})
LOG.info('Neutron.update result is %s', update)
def create_volume(context,
availability_zone=None,
size=None,
snapshot_id=None,
volume_type=None,
iops=None,
encrypted=None,
kms_key_id=None):
if snapshot_id is not None:
snapshot = ec2utils.get_db_item(context, snapshot_id)
os_snapshot_id = snapshot['os_id']
else:
os_snapshot_id = None
cinder = clients.cinder(context)
with common.OnCrashCleaner() as cleaner:
os_volume = cinder.volumes.create(size,
snapshot_id=os_snapshot_id,
volume_type=volume_type,
availability_zone=availability_zone)
cleaner.addCleanup(os_volume.delete)
volume = db_api.add_item(context, 'vol', {'os_id': os_volume.id})
cleaner.addCleanup(db_api.delete_item, context, volume['id'])
os_volume.update(display_name=volume['id'])
return _format_volume(context, volume, os_volume, snapshot_id=snapshot_id)
def create_security_group(context, group_name, group_description, vpc_id=None):
nova = clients.nova(context)
if vpc_id and group_name != vpc_id:
security_groups = describe_security_groups(context,
filter=[{
'name': 'vpc-id',
'value': [vpc_id]
}, {
'name':
'group-name',
'value': [group_name]
}])['securityGroupInfo']
if security_groups:
raise exception.InvalidGroupDuplicate(name=group_name)
with common.OnCrashCleaner() as cleaner:
try:
# TODO(Alex): Shouldn't allow creation of groups with existing
# name if in the same VPC or in EC2-Classic.
os_security_group = nova.security_groups.create(
group_name, group_description)
except nova_exception.OverLimit:
raise exception.ResourceLimitExceeded(resource='security groups')
cleaner.addCleanup(nova.security_groups.delete, os_security_group.id)
if vpc_id:
# NOTE(Alex) Check if such vpc exists
ec2utils.get_db_item(context, vpc_id)
security_group = db_api.add_item(context, 'sg', {
'vpc_id': vpc_id,
'os_id': os_security_group.id
})
return {'return': 'true', 'groupId': security_group['id']}
return {'return': 'true'}
def associate_route_table(context, route_table_id, subnet_id):
route_table = ec2utils.get_db_item(context, route_table_id)
subnet = ec2utils.get_db_item(context, subnet_id)
if route_table['vpc_id'] != subnet['vpc_id']:
msg = _('Route table %(rtb_id)s and subnet %(subnet_id)s belong to '
'different networks')
msg = msg % {'rtb_id': route_table_id, 'subnet_id': subnet_id}
raise exception.InvalidParameterValue(msg)
if 'route_table_id' in subnet:
msg = _('The specified association for route table %(rtb_id)s '
'conflicts with an existing association')
msg = msg % {'rtb_id': route_table_id}
raise exception.ResourceAlreadyAssociated(msg)
vpc = db_api.get_item_by_id(context, subnet['vpc_id'])
main_route_table = db_api.get_item_by_id(context, vpc['route_table_id'])
with common.OnCrashCleaner() as cleaner:
_associate_subnet_item(context, subnet, route_table['id'])
cleaner.addCleanup(_disassociate_subnet_item, context, subnet)
_update_subnet_host_routes(
context,
subnet,
route_table,
cleaner=cleaner,
rollback_route_table_object=main_route_table)
return {
'associationId': ec2utils.change_ec2_id_kind(subnet['id'], 'rtbassoc')
}
def run():
with common.OnCrashCleaner() as cleaner:
cleaner.addCleanup(obj.fake_clean_method,
555, 'arg', {'k': 'v'})
cleaner.addCleanup(obj.fake_clean_method,
666, 'param', {'key': 'value'})
raise self.FakeException()
def test_start_vpn_in_subnet(self, create_subnet_vpnservice,
reset_vpn_connection):
context = base.create_context()
cleaner = common.OnCrashCleaner()
mock_manager = mock.Mock()
mock_manager.attach_mock(create_subnet_vpnservice,
'create_subnet_vpnservice')
mock_manager.attach_mock(reset_vpn_connection, 'reset_vpn_connection')
self.set_mock_db_items(fakes.DB_VPN_GATEWAY_1, fakes.DB_VPN_GATEWAY_2)
vpn_gateway_api._start_vpn_in_subnet(
context, self.neutron, cleaner, copy.deepcopy(fakes.DB_SUBNET_1),
fakes.DB_VPC_1, fakes.DB_ROUTE_TABLE_1)
mock_manager.assert_has_calls([
mock.call.create_subnet_vpnservice(
context, self.neutron, cleaner,
fakes.DB_SUBNET_1, fakes.DB_VPC_1),
mock.call.reset_vpn_connection(
context, self.neutron, cleaner, fakes.DB_VPN_GATEWAY_1,
subnets=[fakes.DB_SUBNET_1],
route_tables=[fakes.DB_ROUTE_TABLE_1])])
create_subnet_vpnservice.reset_mock()
reset_vpn_connection.reset_mock()
self.add_mock_db_items(self.DB_VPN_GATEWAY_1_DETACHED)
vpn_gateway_api._start_vpn_in_subnet(
context, self.neutron, cleaner, copy.deepcopy(fakes.DB_SUBNET_1),
fakes.DB_VPC_1, fakes.DB_ROUTE_TABLE_1)
self.assertFalse(create_subnet_vpnservice.called)
self.assertFalse(reset_vpn_connection.called)
def associate_dhcp_options(context, dhcp_options_id, vpc_id):
vpc = ec2utils.get_db_item(context, vpc_id)
rollback_dhcp_options_id = vpc.get('dhcp_options_id')
if dhcp_options_id == 'default':
dhcp_options_id = None
dhcp_options = None
else:
dhcp_options = ec2utils.get_db_item(context, dhcp_options_id)
dhcp_options_id = dhcp_options['id']
neutron = clients.neutron(context)
os_ports = neutron.list_ports(tenant_id=context.project_id)['ports']
network_interfaces = db_api.get_items(context, 'eni')
rollback_dhcp_options_object = (db_api.get_item_by_id(
context, rollback_dhcp_options_id)
if dhcp_options_id is not None else None)
with common.OnCrashCleaner() as cleaner:
_associate_vpc_item(context, vpc, dhcp_options_id)
cleaner.addCleanup(_associate_vpc_item, context, vpc,
rollback_dhcp_options_id)
for network_interface in network_interfaces:
os_port = next(
(p for p in os_ports if p['id'] == network_interface['os_id']),
None)
if not os_port:
continue
_add_dhcp_opts_to_port(context, dhcp_options, network_interface,
os_port, neutron)
cleaner.addCleanup(_add_dhcp_opts_to_port, context,
rollback_dhcp_options_object, network_interface,
os_port, neutron)
return True
def attach_network_interface(context, network_interface_id,
instance_id, device_index):
network_interface = ec2utils.get_db_item(context, network_interface_id)
if 'instance_id' in network_interface:
raise exception.InvalidParameterValue(
_("Network interface '%(id)s' is currently in use.") %
{'id': network_interface_id})
os_instance_id = ec2utils.get_db_item(context, instance_id)['os_id']
# TODO(Alex) Check that the instance is not yet attached to another VPC
# TODO(Alex) Check that the instance is "our", not created via nova
# (which means that it doesn't belong to any VPC and can't be attached)
if any(eni['device_index'] == device_index
for eni in db_api.get_items(context, 'eni')
if eni.get('instance_id') == instance_id):
raise exception.InvalidParameterValue(
_("Instance '%(id)s' already has an interface attached at "
"device index '%(index)s'.") % {'id': instance_id,
'index': device_index})
neutron = clients.neutron(context)
os_port = neutron.show_port(network_interface['os_id'])['port']
nova = clients.nova(context)
with common.OnCrashCleaner() as cleaner:
# TODO(Alex) nova inserts compute:%availability_zone into device_owner
# 'device_owner': 'compute:None'}})
_attach_network_interface_item(context, network_interface,
instance_id, device_index)
cleaner.addCleanup(_detach_network_interface_item, context,
network_interface)
nova.servers.interface_attach(os_instance_id, os_port['id'],
None, None)
return {'attachmentId': ec2utils.change_ec2_id_kind(
network_interface['id'], 'eni-attach')}
def release_address(self, context, public_ip, allocation_id):
neutron = clients.neutron(context)
if public_ip:
# TODO(ft): implement search in DB layer
address = next((addr
for addr in db_api.get_items(context, 'eipalloc')
if addr['public_ip'] == public_ip), None)
if address and _is_address_valid(context, neutron, address):
msg = _('You must specify an allocation id when releasing a '
'VPC elastic IP address')
raise exception.InvalidParameterValue(msg)
return AddressEngineNova().release_address(context, public_ip,
None)
address = ec2utils.get_db_item(context, allocation_id)
if not _is_address_valid(context, neutron, address):
raise exception.InvalidAllocationIDNotFound(id=allocation_id)
if 'network_interface_id' in address:
raise exception.InvalidIPAddressInUse(
ip_address=address['public_ip'])
with common.OnCrashCleaner() as cleaner:
db_api.delete_item(context, address['id'])
cleaner.addCleanup(db_api.restore_item, context, 'eipalloc',
address)
try:
neutron.delete_floatingip(address['os_id'])
except neutron_exception.NotFound:
pass
def disassociate_address(self,
context,
public_ip=None,
association_id=None):
neutron = clients.neutron(context)
if public_ip:
# TODO(ft): implement search in DB layer
address = next((addr
for addr in db_api.get_items(context, 'eipalloc')
if addr['public_ip'] == public_ip), None)
if address and _is_address_valid(context, neutron, address):
msg = _('You must specify an association id when unmapping '
'an address from a VPC instance')
raise exception.InvalidParameterValue(msg)
# NOTE(ft): association_id is unused in EC2 Classic mode, but it's
# passed there to validate its emptiness in one place
return AddressEngineNova().disassociate_address(
context, public_ip=public_ip, association_id=association_id)
address = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(association_id, 'eipalloc'))
if address is None or not _is_address_valid(context, neutron, address):
raise exception.InvalidAssociationIDNotFound(id=association_id)
if 'network_interface_id' in address:
with common.OnCrashCleaner() as cleaner:
network_interface_id = address['network_interface_id']
private_ip_address = address['private_ip_address']
_disassociate_address_item(context, address)
cleaner.addCleanup(_associate_address_item, context, address,
network_interface_id, private_ip_address)
neutron.update_floatingip(address['os_id'],
{'floatingip': {
'port_id': None
}})
def _create_security_group(context, group_name, group_description,
vpc_id=None, default=False):
neutron = clients.neutron(context)
with common.OnCrashCleaner() as cleaner:
try:
secgroup_body = (
{'security_group': {'name': group_name,
'description': group_description}})
os_security_group = neutron.create_security_group(
secgroup_body)['security_group']
except neutron_exception.OverQuotaClient:
raise exception.ResourceLimitExceeded(resource='security groups')
cleaner.addCleanup(neutron.delete_security_group,
os_security_group['id'])
if vpc_id:
# NOTE(Alex) Check if such vpc exists
ec2utils.get_db_item(context, vpc_id)
item = {'vpc_id': vpc_id, 'os_id': os_security_group['id']}
if not default:
security_group = db_api.add_item(context, 'sg', item)
else:
item['id'] = ec2utils.change_ec2_id_kind(vpc_id, 'sg')
# NOTE(andrey-mp): try to add item with specific id
# and catch exception if it exists
security_group = db_api.restore_item(context, 'sg', item)
return {'return': 'true',
'groupId': security_group['id']}
def detach_network_interface(context, attachment_id, force=None):
network_interface = db_api.get_item_by_id(
context, ec2utils.change_ec2_id_kind(attachment_id, 'eni'))
if not network_interface or 'instance_id' not in network_interface:
raise exception.InvalidAttachmentIDNotFound(id=attachment_id)
if network_interface['device_index'] == 0:
raise exception.OperationNotPermitted(
_('The network interface at device index 0 cannot be detached.'))
neutron = clients.neutron(context)
os_port = neutron.show_port(network_interface['os_id'])['port']
with common.OnCrashCleaner() as cleaner:
instance_id = network_interface['instance_id']
device_index = network_interface['device_index']
attach_time = network_interface['attach_time']
delete_on_termination = network_interface['delete_on_termination']
_detach_network_interface_item(context, network_interface)
cleaner.addCleanup(_attach_network_interface_item, context,
network_interface, instance_id, device_index,
attach_time, delete_on_termination)
neutron.update_port(os_port['id'],
{'port': {
'device_id': '',
'device_owner': ''
}})
return True
def _create_security_group(context,
group_name,
group_description,
vpc_id=None,
default=False):
nova = clients.nova(context)
with common.OnCrashCleaner() as cleaner:
try:
os_security_group = nova.security_groups.create(
group_name, group_description)
except nova_exception.OverLimit:
raise exception.ResourceLimitExceeded(resource='security groups')
cleaner.addCleanup(nova.security_groups.delete, os_security_group.id)
if vpc_id:
# NOTE(Alex) Check if such vpc exists
ec2utils.get_db_item(context, vpc_id)
item = {'vpc_id': vpc_id, 'os_id': os_security_group.id}
if not default:
security_group = db_api.add_item(context, 'sg', item)
else:
item['id'] = ec2utils.change_ec2_id_kind(vpc_id, 'sg')
# NOTE(andrey-mp): try to add item with specific id
# and catch exception if it exists
security_group = db_api.restore_item(context, 'sg', item)
return {'return': 'true', 'groupId': security_group['id']}
def attach_vpn_gateway(context, vpc_id, vpn_gateway_id):
vpn_gateway = ec2utils.get_db_item(context, vpn_gateway_id)
vpc = ec2utils.get_db_item(context, vpc_id)
if vpn_gateway['vpc_id'] and vpn_gateway['vpc_id'] != vpc['id']:
raise exception.VpnGatewayAttachmentLimitExceeded()
attached_vgw = ec2utils.get_attached_gateway(context, vpc['id'], 'vgw')
if attached_vgw and attached_vgw['id'] != vpn_gateway['id']:
raise exception.InvalidVpcState(vpc_id=vpc['id'],
vgw_id=attached_vgw['id'])
subnets = [subnet for subnet in db_api.get_items(context, 'subnet')
if subnet['vpc_id'] == vpc['id']]
if not vpn_gateway['vpc_id']:
external_network_id = None
if not ec2utils.get_attached_gateway(context, vpc['id'], 'igw'):
external_network_id = ec2utils.get_os_public_network(context)['id']
neutron = clients.neutron(context)
with common.OnCrashCleaner() as cleaner:
_attach_vpn_gateway_item(context, vpn_gateway, vpc['id'])
cleaner.addCleanup(_detach_vpn_gateway_item, context, vpn_gateway)
if external_network_id:
neutron.add_gateway_router(vpc['os_id'],
{'network_id': external_network_id})
cleaner.addCleanup(neutron.remove_gateway_router, vpc['os_id'])
for subnet in subnets:
_create_subnet_vpnservice(context, neutron, cleaner,
subnet, vpc)
vpn_connection_api._reset_vpn_connections(
context, neutron, cleaner, vpn_gateway, subnets=subnets)
return {'attachment': _format_attachment(vpn_gateway)}
def detach_vpn_gateway(context, vpc_id, vpn_gateway_id):
vpn_gateway = ec2utils.get_db_item(context, vpn_gateway_id)
if vpn_gateway['vpc_id'] != vpc_id:
raise exception.InvalidVpnGatewayAttachmentNotFound(
vgw_id=vpn_gateway_id, vpc_id=vpc_id)
vpc = db_api.get_item_by_id(context, vpc_id)
neutron = clients.neutron(context)
remove_os_gateway_router = (
ec2utils.get_attached_gateway(context, vpc_id, 'igw') is None)
subnets = [subnet for subnet in db_api.get_items(context, 'subnet')
if subnet['vpc_id'] == vpc['id']]
with common.OnCrashCleaner() as cleaner:
_detach_vpn_gateway_item(context, vpn_gateway)
cleaner.addCleanup(_attach_vpn_gateway_item, context, vpn_gateway,
vpc_id)
vpn_connection_api._stop_gateway_vpn_connections(
context, neutron, cleaner, vpn_gateway)
for subnet in subnets:
_delete_subnet_vpnservice(context, neutron, cleaner, subnet)
if remove_os_gateway_router:
try:
neutron.remove_gateway_router(vpc['os_id'])
except neutron_exception.NotFound:
pass
return True
def attach_internet_gateway(context, internet_gateway_id, vpc_id):
igw = ec2utils.get_db_item(context, internet_gateway_id)
if igw.get('vpc_id'):
msg_params = {'igw_id': igw['id'], 'vpc_id': igw['vpc_id']}
msg = _('resource %(igw_id)s is already attached to '
'network %(vpc_id)s') % msg_params
raise exception.ResourceAlreadyAssociated(msg)
vpc = ec2utils.get_db_item(context, vpc_id)
if ec2utils.get_attached_gateway(context, vpc['id'], 'igw'):
msg = _('Network %(vpc_id)s already has an internet gateway '
'attached') % {
'vpc_id': vpc['id']
}
raise exception.InvalidParameterValue(msg)
external_network_id = None
if not ec2utils.get_attached_gateway(context, vpc['id'], 'vgw'):
external_network_id = ec2utils.get_os_public_network(context)['id']
neutron = clients.neutron(context)
# TODO(ft): set attaching state into db
with common.OnCrashCleaner() as cleaner:
_attach_internet_gateway_item(context, igw, vpc['id'])
cleaner.addCleanup(_detach_internet_gateway_item, context, igw)
if external_network_id:
neutron.add_gateway_router(vpc['os_id'],
{'network_id': external_network_id})
return True
def delete_vpn_connection(context, vpn_connection_id):
vpn_connection = ec2utils.get_db_item(context, vpn_connection_id)
with common.OnCrashCleaner() as cleaner:
db_api.delete_item(context, vpn_connection['id'])
cleaner.addCleanup(db_api.restore_item, context, 'vpn', vpn_connection)
neutron = clients.neutron(context)
_stop_vpn_connection(neutron, vpn_connection)
try:
neutron.delete_ipsecpolicy(vpn_connection['os_ipsecpolicy_id'])
except neutron_exception.Conflict as ex:
LOG.warning(
_('Failed to delete ipsecoplicy %(os_id)s during deleting '
'VPN connection %(id)s. Reason: %(reason)s'), {
'id': vpn_connection['id'],
'os_id': vpn_connection['os_ipsecpolicy_id'],
'reason': ex.message
})
except neutron_exception.NotFound:
pass
try:
neutron.delete_ikepolicy(vpn_connection['os_ikepolicy_id'])
except neutron_exception.Conflict as ex:
LOG.warning(
_('Failed to delete ikepolicy %(os_id)s during deleting '
'VPN connection %(id)s. Reason: %(reason)s'), {
'id': vpn_connection['id'],
'os_id': vpn_connection['os_ikepolicy_id'],
'reason': ex.message
})
except neutron_exception.NotFound:
pass
return True
def attach_internet_gateway(context, internet_gateway_id, vpc_id):
igw = ec2utils.get_db_item(context, internet_gateway_id)
if igw.get('vpc_id'):
msg_params = {'igw_id': igw['id'], 'vpc_id': igw['vpc_id']}
msg = _("resource %(igw_id)s is already attached to "
"network %(vpc_id)s") % msg_params
raise exception.ResourceAlreadyAssociated(msg)
vpc = ec2utils.get_db_item(context, vpc_id)
# TODO(ft): move search by vpc_id to DB api
for gw in db_api.get_items(context, 'igw'):
if gw.get('vpc_id') == vpc['id']:
msg = _("Network %(vpc_id)s already has an internet gateway "
"attached") % {
'vpc_id': vpc['id']
}
raise exception.InvalidParameterValue(msg)
os_public_network = ec2utils.get_os_public_network(context)
neutron = clients.neutron(context)
# TODO(ft): set attaching state into db
with common.OnCrashCleaner() as cleaner:
_attach_internet_gateway_item(context, igw, vpc['id'])
cleaner.addCleanup(_detach_internet_gateway_item, context, igw)
neutron.add_gateway_router(vpc['os_id'],
{'network_id': os_public_network['id']})
return True
def test_stop_vpn_in_subnet(self, delete_vpnservice, delete_subnet_vpn):
context = base.create_context()
cleaner = common.OnCrashCleaner()
mock_manager = mock.Mock()
mock_manager.attach_mock(delete_vpnservice, 'delete_vpnservice')
mock_manager.attach_mock(delete_subnet_vpn, 'delete_subnet_vpn')
self.set_mock_db_items(fakes.DB_VPN_CONNECTION_1,
fakes.DB_VPN_CONNECTION_2)
vpn_gateway_api._stop_vpn_in_subnet(
context, self.neutron, cleaner, copy.deepcopy(fakes.DB_SUBNET_1))
mock_manager.has_calls([
mock.call.delete_subnet_vpn(
context, self.neutron, cleaner, fakes.DB_SUBNET_1,
fakes.DB_VPN_CONNECTION_1),
mock.call.delete_subnet_vpn(
context, self.neutron, cleaner, fakes.DB_SUBNET_1,
fakes.DB_VPN_CONNECTION_2),
mock.call.delete_vpnservice(
self.neutron, fakes.ID_OS_VPNSERVICE_1,
fakes.ID_EC2_SUBNET_1)])
delete_subnet_vpn.reset_mock()
delete_vpnservice.reset_mock()
vpn_gateway_api._stop_vpn_in_subnet(
context, self.neutron, cleaner, self.DB_SUBNET_1_NO_VPN)
self.assertFalse(delete_subnet_vpn.called)
self.assertFalse(delete_vpnservice.called)
def delete_vpc(context, vpc_id):
vpc = ec2utils.get_db_item(context, vpc_id)
subnets = subnet_api.describe_subnets(context,
filter=[{
'name': 'vpc-id',
'value': [vpc_id]
}])['subnetSet']
internet_gateways = internet_gateway_api.describe_internet_gateways(
context, filter=[{
'name': 'attachment.vpc-id',
'value': [vpc['id']]
}])['internetGatewaySet']
route_tables = route_table_api.describe_route_tables(context,
filter=[{
'name':
'vpc-id',
'value':
[vpc['id']]
}])['routeTableSet']
security_groups = security_group_api.describe_security_groups(
context, filter=[{
'name': 'vpc-id',
'value': [vpc['id']]
}])['securityGroupInfo']
if (subnets or internet_gateways or len(route_tables) > 1
or len(security_groups) > 1):
msg = _("The vpc '%(vpc_id)s' has dependencies and "
"cannot be deleted.")
msg = msg % {'vpc_id': vpc['id']}
raise exception.DependencyViolation(msg)
neutron = clients.neutron(context)
with common.OnCrashCleaner() as cleaner:
db_api.delete_item(context, vpc['id'])
cleaner.addCleanup(db_api.restore_item, context, 'vpc', vpc)
route_table_api._delete_route_table(context,
vpc['route_table_id'],
cleaner=cleaner)
if len(security_groups) > 0:
security_group_api.delete_security_group(
context,
group_id=security_groups[0]['groupId'],
delete_default=True)
try:
neutron.delete_router(vpc['os_id'])
except neutron_exception.Conflict as ex:
LOG.warning(
_('Failed to delete router %(os_id)s during deleting '
'VPC %(id)s. Reason: %(reason)s'), {
'id': vpc['id'],
'os_id': vpc['os_id'],
'reason': ex.message
})
except neutron_exception.NotFound:
pass
return True
def test_normal_flow(self):
obj = mock.MagicMock()
with common.OnCrashCleaner() as cleaner:
cleaner.addCleanup(obj.fake_clean_method),
cleaner.addCleanup(obj.fake_clean_method_25),
self.assertFalse(obj.fake_clean_method.called)
self.assertFalse(obj.fake_clean_method_25.called)
def create_subnet(context, vpc_id, cidr_block, availability_zone=None):
vpc = ec2utils.get_db_item(context, vpc_id)
vpc_ipnet = netaddr.IPNetwork(vpc['cidr_block'])
subnet_ipnet = netaddr.IPNetwork(cidr_block)
if subnet_ipnet not in vpc_ipnet:
raise exception.InvalidSubnetRange(cidr_block=cidr_block)
gateway_ip = str(netaddr.IPAddress(subnet_ipnet.first + 1))
main_route_table = db_api.get_item_by_id(context, vpc['route_table_id'])
host_routes = route_table_api._get_subnet_host_routes(
context, main_route_table, gateway_ip)
neutron = clients.neutron(context)
with common.OnCrashCleaner() as cleaner:
os_network_body = {'network': {}}
try:
os_network = neutron.create_network(os_network_body)['network']
cleaner.addCleanup(neutron.delete_network, os_network['id'])
# NOTE(Alex): AWS takes 4 first addresses (.1 - .4) but for
# OpenStack we decided not to support this as compatibility.
os_subnet_body = {
'subnet': {
'network_id': os_network['id'],
'ip_version': '4',
'cidr': cidr_block,
'host_routes': host_routes
}
}
os_subnet = neutron.create_subnet(os_subnet_body)['subnet']
cleaner.addCleanup(neutron.delete_subnet, os_subnet['id'])
except neutron_exception.OverQuotaClient:
raise exception.SubnetLimitExceeded()
try:
neutron.add_interface_router(vpc['os_id'],
{'subnet_id': os_subnet['id']})
except neutron_exception.BadRequest:
raise exception.InvalidSubnetConflict(cidr_block=cidr_block)
cleaner.addCleanup(neutron.remove_interface_router, vpc['os_id'],
{'subnet_id': os_subnet['id']})
subnet = db_api.add_item(context, 'subnet', {
'os_id': os_subnet['id'],
'vpc_id': vpc['id']
})
cleaner.addCleanup(db_api.delete_item, context, subnet['id'])
neutron.update_network(os_network['id'],
{'network': {
'name': subnet['id']
}})
neutron.update_subnet(os_subnet['id'],
{'subnet': {
'name': subnet['id']
}})
os_ports = neutron.list_ports(tenant_id=context.project_id)['ports']
return {
'subnet': _format_subnet(context, subnet, os_subnet, os_network,
os_ports)
}
def create_subnet(context, vpc_id, cidr_block,
availability_zone=None):
vpc = ec2utils.get_db_item(context, vpc_id)
vpc_ipnet = netaddr.IPNetwork(vpc['cidr_block'])
subnet_ipnet = netaddr.IPNetwork(cidr_block)
if subnet_ipnet not in vpc_ipnet:
raise exception.InvalidSubnetRange(cidr_block=cidr_block)
main_route_table = db_api.get_item_by_id(context, vpc['route_table_id'])
(host_routes,
gateway_ip) = route_table_api._get_subnet_host_routes_and_gateway_ip(
context, main_route_table, cidr_block)
neutron = clients.neutron(context)
with common.OnCrashCleaner() as cleaner:
os_network_body = {'network': {}}
try:
os_network = neutron.create_network(os_network_body)['network']
cleaner.addCleanup(neutron.delete_network, os_network['id'])
# NOTE(Alex): AWS takes 4 first addresses (.1 - .4) but for
# OpenStack we decided not to support this as compatibility.
os_subnet_body = {'subnet': {'network_id': os_network['id'],
'ip_version': '4',
'cidr': cidr_block,
'host_routes': host_routes}}
os_subnet = neutron.create_subnet(os_subnet_body)['subnet']
cleaner.addCleanup(neutron.delete_subnet, os_subnet['id'])
except neutron_exception.OverQuotaClient:
raise exception.SubnetLimitExceeded()
try:
neutron.add_interface_router(vpc['os_id'],
{'subnet_id': os_subnet['id']})
except neutron_exception.BadRequest:
raise exception.InvalidSubnetConflict(cidr_block=cidr_block)
cleaner.addCleanup(neutron.remove_interface_router,
vpc['os_id'], {'subnet_id': os_subnet['id']})
subnet = db_api.add_item(context, 'subnet',
{'os_id': os_subnet['id'],
'vpc_id': vpc['id']})
cleaner.addCleanup(db_api.delete_item, context, subnet['id'])
vpn_gateway_api._start_vpn_in_subnet(context, neutron, cleaner,
subnet, vpc, main_route_table)
neutron.update_network(os_network['id'],
{'network': {'name': subnet['id']}})
# NOTE(ft): In some cases we need gateway_ip to be None (see
# _get_subnet_host_routes_and_gateway_ip). It's not set during subnet
# creation to allow automatic configuration of the default port by
# which subnet is attached to the router.
neutron.update_subnet(os_subnet['id'],
{'subnet': {'name': subnet['id'],
'gateway_ip': gateway_ip}})
os_ports = neutron.list_ports(tenant_id=context.project_id)['ports']
return {'subnet': _format_subnet(context, subnet, os_subnet,
os_network, os_ports)}
