def get(self, context, network_id):
for network in self.networks:
if network.get('uuid') == network_id:
return objects.Network._from_db_object(context,
objects.Network(),
network)
raise exception.NetworkNotFound(network_id=network_id)
def validate_networks(self, context, requested_networks):
"""Validate that the tenant can use the requested networks."""
LOG.debug(_('validate_networks() for %s'), requested_networks)
if not requested_networks:
return
net_ids = []
for (net_id, _i, port_id) in requested_networks:
if not port_id:
net_ids.append(net_id)
continue
port = quantumv2.get_client(context).show_port(port_id).get('port')
if not port:
raise exception.PortNotFound(port_id=port_id)
if port.get('device_id', None):
raise exception.PortInUse(port_id=port_id)
net_id = port['network_id']
if net_id in net_ids:
raise exception.NetworkDuplicated(network_id=net_id)
net_ids.append(net_id)
nets = self._get_available_networks(context, context.project_id,
net_ids)
if len(nets) != len(net_ids):
requsted_netid_set = set(net_ids)
returned_netid_set = set([net['id'] for net in nets])
lostid_set = requsted_netid_set - returned_netid_set
id_str = ''
for _id in lostid_set:
id_str = id_str and id_str + ', ' + _id or _id
raise exception.NetworkNotFound(network_id=id_str)
def validate_networks(self, context, networks):
"""Validates that this tenant has quantum networks with the associated
UUIDs. This is called by the 'os-create-server-ext' API extension
code so that we can return an API error code to the caller if they
request an invalid network.
"""
if networks is None:
return
project_id = context.project_id
for (net_id, _i) in networks:
# TODO(bgh): At some point we should figure out whether or
# not we want the verify_subnet_exists call to be optional.
if not self.ipam.verify_subnet_exists(context, project_id, net_id):
raise exception.NetworkNotFound(network_id=net_id)
if not self.q_conn.network_exists(project_id, net_id):
raise exception.NetworkNotFound(network_id=net_id)
def test_network_show_not_found(self):
ctxt = self.req.environ['nova.context']
with mock.patch.object(self.controller.network_api, 'get',
side_effect=exception.NetworkNotFound(
network_id=1)) as get_mock:
self.assertRaises(webob.exc.HTTPNotFound,
self.controller.show, self.req, 1)
get_mock.assert_called_once_with(ctxt, 1)
def associate(self, context, network_uuid, host=_sentinel,
project=_sentinel):
for network in self.networks:
if network.get('uuid') == network_uuid:
if host is not FakeNetworkAPI._sentinel:
network['host'] = host
if project is not FakeNetworkAPI._sentinel:
network['project_id'] = project
return True
raise exception.NetworkNotFound(network_id=network_uuid)
def fake_get_access_pf9(obj, context, network_id):
if network_id not in NET_UUIDS:
raise exception.NetworkNotFound(network_id=network_id)
res = []
for access in ACCESS_LIST:
if access['network_id'] == network_id:
res.append(access)
return res
def get(self, context, network_id):
for network in self.networks:
if network.get('uuid') == network_id:
if 'injected' in network and network['injected'] is None:
# NOTE: This is a workaround for passing unit tests.
# When using nova-network, 'injected' value should be
# boolean because of the definition of objects.Network().
# However, 'injected' value can be None if neutron.
# So here changes the value to False just for passing
# following _from_db_object().
network['injected'] = False
return objects.Network._from_db_object(context,
objects.Network(),
network)
raise exception.NetworkNotFound(network_id=network_id)
def _get_network_from_neutron(self, context, network_info):
"""send message to neutron server to get network information
:param context:
:param network_info:
:return:
"""
client = neutron_api.get_client(context)
try:
network = client.show_network(
network_info['id']).get('network') or {}
except neutron_client_exc.NetworkNotFoundClient:
raise exception.NetworkNotFound(network_id=network_info['id'])
network['label'] = network['name']
return network
def fake_attach_interface(self, context, instance, network_id, port_id,
requested_ip='192.168.1.3'):
if not network_id:
# if no network_id is given when add a port to an instance, use the
# first default network.
network_id = fake_networks[0]
if network_id == 'bad_id':
raise exception.NetworkNotFound(network_id=network_id)
if not port_id:
port_id = ports[fake_networks.index(network_id)]['id']
vif = fake_network_cache_model.new_vif()
vif['id'] = port_id
vif['network']['id'] = network_id
vif['network']['subnets'][0]['ips'][0]['address'] = requested_ip
return vif
def validate_networks(self, context, requested_networks):
"""Validate that the tenant can use the requested networks."""
LOG.debug(_('validate_networks() for %s'),
requested_networks)
if not requested_networks:
nets = self._get_available_networks(context, context.project_id)
if len(nets) > 1:
# Attaching to more than one network by default doesn't
# make sense, as the order will be arbitrary and the guest OS
# won't know which to configure
msg = _("Multiple possible networks found, use a Network "
"ID to be more specific.")
raise exception.NetworkAmbiguous(msg)
return
net_ids = []
for (net_id, _i, port_id) in requested_networks:
if port_id:
try:
port = (neutronv2.get_client(context)
.show_port(port_id)
.get('port'))
except neutronv2.exceptions.NeutronClientException as e:
if e.status_code == 404:
port = None
if not port:
raise exception.PortNotFound(port_id=port_id)
if port.get('device_id', None):
raise exception.PortInUse(port_id=port_id)
net_id = port['network_id']
if net_id in net_ids:
raise exception.NetworkDuplicated(network_id=net_id)
net_ids.append(net_id)
# Now check to see if all requested networks exist
nets = self._get_available_networks(context,
context.project_id, net_ids)
if len(nets) != len(net_ids):
requsted_netid_set = set(net_ids)
returned_netid_set = set([net['id'] for net in nets])
lostid_set = requsted_netid_set - returned_netid_set
id_str = ''
for _id in lostid_set:
id_str = id_str and id_str + ', ' + _id or _id
raise exception.NetworkNotFound(network_id=id_str)
def fake_remove_access_pf9(obj, context, network_id, project_id):
global ACCESS_LIST
if network_id not in NET_UUIDS:
raise exception.NetworkNotFound(network_id=network_id)
existing_projects = filter(lambda x: x['network_id'] == network_id,
ACCESS_LIST)
existing_projects = [x['project_id'] for x in existing_projects]
if project_id not in existing_projects:
raise exception.NetworkAccessNotFound(network_id=network_id,
project_id=project_id)
ACCESS_LIST.remove({'network_id': network_id, 'project_id': project_id})
return fake_get_access_pf9(obj, context, network_id)
def fake_attach_interface(self, context, instance, network_id, port_id,
requested_ip='192.168.1.3', vif_model=None,
tag=None):
if not network_id:
# if no network_id is given when add a port to an instance, use the
# first default network.
network_id = fake_networks[0]
if network_id == FAKE_BAD_NET_ID:
raise exception.NetworkNotFound(network_id=network_id)
if not port_id:
port_id = ports[fake_networks.index(network_id)]['id']
if port_id == FAKE_NOT_FOUND_PORT_ID:
raise exception.PortNotFound(port_id=port_id)
vif = fake_network_cache_model.new_vif()
vif['id'] = port_id
vif['network']['id'] = network_id
vif['network']['subnets'][0]['ips'][0]['address'] = requested_ip
return vif
def validate_networks(self, context, requested_networks):
"""Validate that the tenant has the requested networks."""
LOG.debug(_('validate_networks() for %s'), requested_networks)
if not requested_networks:
return
search_opts = {"tenant_id": context.project_id}
net_ids = [net_id for (net_id, _i) in requested_networks]
search_opts['id'] = net_ids
data = quantumv2.get_client(context).list_networks(**search_opts)
nets = data.get('networks', [])
if len(nets) != len(net_ids):
requsted_netid_set = set(net_ids)
returned_netid_set = set([net['id'] for net in nets])
lostid_set = requsted_netid_set - returned_netid_set
id_str = ''
for _id in lostid_set:
id_str = id_str and id_str + ', ' + _id or _id
raise exception.NetworkNotFound(network_id=id_str)
def _get_available_networks(self, context, project_id, net_ids=None):
"""Return only specified networks if provided.
Standard implementation uses public nets if empty list
provided, this is not desirable behavior."""
if net_ids is None:
return super(QuantumUdpApi,
self)._get_available_networks(context, project_id)
elif not net_ids:
return []
# If user has specified to attach instance only to specific
# networks, add them to **search_opts
quantum = quantumv2.get_client(context)
search_opts = {"tenant_id": project_id, 'shared': False, 'id': net_ids}
nets = quantum.list_networks(**search_opts).get('networks', [])
found_nets = map(lambda x: x['id'], nets)
if len(nets) != len(found_nets):
set(net_ids).difference(found_nets)
raise exception.NetworkNotFound(network_id=found_nets)
_ensure_requested_network_ordering(lambda x: x['id'], nets, net_ids)
LOG.debug("Nets for instance: %s" % nets)
return nets
def validate_networks(self, context, requested_networks, num_instances):
"""Validate that the tenant can use the requested networks.
Return the number of instances than can be successfully allocated
with the requested network configuration.
"""
LOG.debug(_('validate_networks() for %s'), requested_networks)
neutron = neutronv2.get_client(context)
ports_needed_per_instance = 0
if not requested_networks:
nets = self._get_available_networks(context,
context.project_id,
neutron=neutron)
if len(nets) > 1:
# Attaching to more than one network by default doesn't
# make sense, as the order will be arbitrary and the guest OS
# won't know which to configure
msg = _("Multiple possible networks found, use a Network "
"ID to be more specific.")
raise exception.NetworkAmbiguous(msg)
else:
ports_needed_per_instance = 1
else:
net_ids = []
for (net_id, _i, port_id) in requested_networks:
if port_id:
try:
port = neutron.show_port(port_id).get('port')
except neutronv2.exceptions.NeutronClientException as e:
if e.status_code == 404:
port = None
else:
with excutils.save_and_reraise_exception():
LOG.exception(_("Failed to access port %s"),
port_id)
if not port:
raise exception.PortNotFound(port_id=port_id)
if port.get('device_id', None):
raise exception.PortInUse(port_id=port_id)
if not port.get('fixed_ips'):
raise exception.PortRequiresFixedIP(port_id=port_id)
net_id = port['network_id']
else:
ports_needed_per_instance += 1
if net_id in net_ids:
raise exception.NetworkDuplicated(network_id=net_id)
net_ids.append(net_id)
# Now check to see if all requested networks exist
nets = self._get_available_networks(context,
context.project_id,
net_ids,
neutron=neutron)
for net in nets:
if not net.get('subnets'):
raise exception.NetworkRequiresSubnet(
network_uuid=net['id'])
if len(nets) != len(net_ids):
requsted_netid_set = set(net_ids)
returned_netid_set = set([net['id'] for net in nets])
lostid_set = requsted_netid_set - returned_netid_set
id_str = ''
for _id in lostid_set:
id_str = id_str and id_str + ', ' + _id or _id
raise exception.NetworkNotFound(network_id=id_str)
# Note(PhilD): Ideally Nova would create all required ports as part of
# network validation, but port creation requires some details
# from the hypervisor. So we just check the quota and return
# how many of the requested number of instances can be created
ports = []
quotas = neutron.show_quota(tenant_id=context.project_id)['quota']
if quotas.get('port', -1) == -1:
# Unlimited Port Quota
return num_instances
else:
free_ports = quotas.get('port') - len(ports)
ports_needed = ports_needed_per_instance * num_instances
if free_ports >= ports_needed:
return num_instances
else:
return free_ports // ports_needed_per_instance
def disassociate(self, context, network_id):
for i, network in enumerate(self.networks):
if network.get('uuid') == network_id:
return True
raise common.RemoteError(type(exception.NetworkNotFound()).__name__)
def test_network_show_not_found(self, get_mock):
ctxt = self.req.environ['nova.context']
get_mock.side_effect = exception.NetworkNotFound(network_id=1)
self.assertRaises(webob.exc.HTTPNotFound, self.controller.show,
self.req, 1)
get_mock.assert_called_once_with(ctxt, 1)
def test_network_delete_exception_network_not_found(self):
ex = exception.NetworkNotFound(network_id=1)
expex = webob.exc.HTTPNotFound
self._test_network_delete_exception(None, ex, expex)
def get(self, context, network_id):
for network in self.networks:
if network.get('uuid') == network_id:
return network
raise exception.NetworkNotFound()
def network_get_fake(context, network_id):
nets = [n for n in networks if n['id'] == network_id]
if not nets:
raise exception.NetworkNotFound(network_id=network_id)
return nets[0]
def disassociate(self, context, network_uuid):
for network in self.networks:
if network.get('uuid') == network_uuid:
network['project_id'] = None
return True
raise exception.NetworkNotFound()
def get(self, context, network_id):
for network in self.networks:
if network['id'] == network_id:
return network
raise exception.NetworkNotFound(network_id=network_id)
def delete(self, context, network_id):
for i, network in enumerate(self.networks):
if network['id'] == network_id:
del self.networks[0]
return True
raise exception.NetworkNotFound()
def network_get_fake(context, network_id, project_only='allow_none'):
nets = [n for n in networks if n['id'] == network_id]
if not nets:
raise exception.NetworkNotFound(network_id=network_id)
return nets[0]
def disassociate(self, context, network_id):
for i, network in enumerate(self.networks):
if network['id'] == network_id:
return True
raise exception.NetworkNotFound()
