def create_network(self, context, network):
(network_type, physical_network, segmentation_id) = self._process_provider_create(context, network["network"])
session = context.session
# set up default security groups
tenant_id = self._get_tenant_id_for_create(context, network["network"])
self._ensure_default_security_group(context, tenant_id)
with session.begin(subtransactions=True):
if not network_type:
# tenant network
network_type = self.tenant_network_type
if network_type == svc_constants.TYPE_NONE:
raise q_exc.TenantNetworksDisabled()
elif network_type == svc_constants.TYPE_VLAN:
(physical_network, segmentation_id) = ovs_db_v2.reserve_vlan(session)
elif network_type in constants.TUNNEL_NETWORK_TYPES:
segmentation_id = ovs_db_v2.reserve_tunnel(session)
# no reservation needed for TYPE_LOCAL
else:
# provider network
if network_type in [svc_constants.TYPE_VLAN, svc_constants.TYPE_FLAT]:
ovs_db_v2.reserve_specific_vlan(session, physical_network, segmentation_id)
elif network_type in constants.TUNNEL_NETWORK_TYPES:
ovs_db_v2.reserve_specific_tunnel(session, segmentation_id)
# no reservation needed for TYPE_LOCAL
net = super(OVSNeutronPluginV2, self).create_network(context, network)
binding = ovs_db_v2.add_network_binding(session, net["id"], network_type, physical_network, segmentation_id)
self._process_l3_create(context, net, network["network"])
# passing None as db model to use binding object
self._extend_network_dict_provider_ovs(net, None, binding)
# note - exception will rollback entire transaction
LOG.debug(_("Created network: %s"), net["id"])
return net
def test_sync_with_allocated_false(self):
vlan_ids = set()
for x in moves.xrange(VLAN_MIN, VLAN_MAX + 1):
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
self.assertEqual(physical_network, PHYS_NET)
self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1))
self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1))
vlan_ids.add(vlan_id)
ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_ids.pop(),
VLAN_RANGES)
ovs_db_v2.sync_vlan_allocations({})
def test_sync_with_allocated_false(self):
vlan_ids = set()
for x in xrange(VLAN_MIN, VLAN_MAX + 1):
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
self.assertEqual(physical_network, PHYS_NET)
self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1))
self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1))
vlan_ids.add(vlan_id)
ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_ids.pop(),
VLAN_RANGES)
ovs_db_v2.sync_vlan_allocations({})
def test_vlan_pool(self):
vlan_ids = set()
for x in moves.xrange(VLAN_MIN, VLAN_MAX + 1):
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
self.assertEqual(physical_network, PHYS_NET)
self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1))
self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1))
vlan_ids.add(vlan_id)
with testtools.ExpectedException(n_exc.NoNetworkAvailable):
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_ids.pop(),
VLAN_RANGES)
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
self.assertEqual(physical_network, PHYS_NET)
self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1))
self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1))
vlan_ids.add(vlan_id)
for vlan_id in vlan_ids:
ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id,
VLAN_RANGES)
def test_vlan_pool(self):
vlan_ids = set()
for x in xrange(VLAN_MIN, VLAN_MAX + 1):
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
self.assertEqual(physical_network, PHYS_NET)
self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1))
self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1))
vlan_ids.add(vlan_id)
with testtools.ExpectedException(n_exc.NoNetworkAvailable):
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_ids.pop(),
VLAN_RANGES)
physical_network, vlan_id = ovs_db_v2.reserve_vlan(self.session)
self.assertEqual(physical_network, PHYS_NET)
self.assertThat(vlan_id, matchers.GreaterThan(VLAN_MIN - 1))
self.assertThat(vlan_id, matchers.LessThan(VLAN_MAX + 1))
vlan_ids.add(vlan_id)
for vlan_id in vlan_ids:
ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id,
VLAN_RANGES)
def create_network(self, context, network):
(network_type, physical_network,
segmentation_id) = self._process_provider_create(context,
network['network'])
session = context.session
#set up default security groups
tenant_id = self._get_tenant_id_for_create(
context, network['network'])
self._ensure_default_security_group(context, tenant_id)
with session.begin(subtransactions=True):
if not network_type:
# tenant network
network_type = self.tenant_network_type
if network_type == svc_constants.TYPE_NONE:
raise q_exc.TenantNetworksDisabled()
elif network_type == svc_constants.TYPE_VLAN:
(physical_network,
segmentation_id) = ovs_db_v2.reserve_vlan(session)
elif network_type in constants.TUNNEL_NETWORK_TYPES:
segmentation_id = ovs_db_v2.reserve_tunnel(session)
# no reservation needed for TYPE_LOCAL
else:
# provider network
if network_type in [svc_constants.TYPE_VLAN,
svc_constants.TYPE_FLAT]:
ovs_db_v2.reserve_specific_vlan(session, physical_network,
segmentation_id)
elif network_type in constants.TUNNEL_NETWORK_TYPES:
ovs_db_v2.reserve_specific_tunnel(session, segmentation_id)
# no reservation needed for TYPE_LOCAL
net = super(OVSNeutronPluginV2, self).create_network(context,
network)
binding = ovs_db_v2.add_network_binding(session, net['id'],
network_type,
physical_network,
segmentation_id)
self._process_l3_create(context, net, network['network'])
# passing None as db model to use binding object
self._extend_network_dict_provider_ovs(net, None, binding)
# note - exception will rollback entire transaction
LOG.debug(_("Created network: %s"), net['id'])
return net
