Python reserve_specific_vlan Examples

Example #1

File: ovs_quantum_plugin.py Project: riverbedstingray/quantum

    def create_network(self, context, network):
        (network_type, physical_network,
         segmentation_id) = self._process_provider_create(context,
                                                          network['network'])

        session = context.session
        with session.begin(subtransactions=True):
            if not network_type:
                try:
                    (physical_network,
                     segmentation_id) = ovs_db_v2.reserve_vlan(session)
                    network_type = constants.TYPE_VLAN
                except q_exc.NoNetworkAvailable:
                    segmentation_id = ovs_db_v2.reserve_tunnel(session)
                    network_type = constants.TYPE_GRE
            else:
                ovs_db_v2.reserve_specific_vlan(session, physical_network,
                                                segmentation_id)
            net = super(OVSQuantumPluginV2, self).create_network(context,
                                                                 network)
            ovs_db_v2.add_network_binding(session, net['id'], network_type,
                                          physical_network, segmentation_id)

            self._process_l3_create(context, network['network'], net['id'])
            self._extend_network_dict_provider(context, net)
            self._extend_network_dict_l3(context, net)
            # note - exception will rollback entire transaction
        LOG.debug("Created network: %s" % net['id'])
        return net

Example #2

File: ovs_quantum_plugin.py Project: buzdwj/quantum

    def create_network(self, context, network):
        (network_type, physical_network, segmentation_id) = self._process_provider_create(context, network["network"])

        session = context.session
        with session.begin(subtransactions=True):
            if not network_type:
                # tenant network
                network_type = self.tenant_network_type
                if network_type == constants.TYPE_NONE:
                    raise q_exc.TenantNetworksDisabled()
                elif network_type == constants.TYPE_VLAN:
                    (physical_network, segmentation_id) = ovs_db_v2.reserve_vlan(session)
                elif network_type == constants.TYPE_GRE:
                    segmentation_id = ovs_db_v2.reserve_tunnel(session)
                # no reservation needed for TYPE_LOCAL
            else:
                # provider network
                if network_type in [constants.TYPE_VLAN, constants.TYPE_FLAT]:
                    ovs_db_v2.reserve_specific_vlan(session, physical_network, segmentation_id)
                elif network_type == constants.TYPE_GRE:
                    ovs_db_v2.reserve_specific_tunnel(session, segmentation_id)
                # no reservation needed for TYPE_LOCAL
            net = super(OVSQuantumPluginV2, self).create_network(context, network)
            ovs_db_v2.add_network_binding(session, net["id"], network_type, physical_network, segmentation_id)

            self._process_l3_create(context, network["network"], net["id"])
            self._extend_network_dict_provider(context, net)
            self._extend_network_dict_l3(context, net)
            # note - exception will rollback entire transaction
        LOG.debug(_("Created network: %s"), net["id"])
        return net

Example #3

File: ovs_quantum_plugin.py Project: pulse-vadc/quantum

    def create_network(self, context, network):
        (network_type, physical_network,
         segmentation_id) = self._process_provider_create(
             context, network['network'])

        session = context.session
        with session.begin(subtransactions=True):
            if not network_type:
                try:
                    (physical_network,
                     segmentation_id) = ovs_db_v2.reserve_vlan(session)
                    network_type = constants.TYPE_VLAN
                except q_exc.NoNetworkAvailable:
                    segmentation_id = ovs_db_v2.reserve_tunnel(session)
                    network_type = constants.TYPE_GRE
            else:
                ovs_db_v2.reserve_specific_vlan(session, physical_network,
                                                segmentation_id)
            net = super(OVSQuantumPluginV2,
                        self).create_network(context, network)
            ovs_db_v2.add_network_binding(session, net['id'], network_type,
                                          physical_network, segmentation_id)

            self._process_l3_create(context, network['network'], net['id'])
            self._extend_network_dict_provider(context, net)
            self._extend_network_dict_l3(context, net)
            # note - exception will rollback entire transaction
        LOG.debug("Created network: %s" % net['id'])
        return net

Example #4

File: test_ovs_db.py Project: StackOps/quantum

    def test_specific_vlan_outside_pool(self):
        vlan_id = VLAN_MAX + 5
        self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id))
        ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)
        self.assertTrue(ovs_db_v2.get_vlan_allocation(PHYS_NET,
                                                      vlan_id).allocated)

        with self.assertRaises(q_exc.VlanIdInUse):
            ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)

        ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES)
        self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id))

Example #5

    def test_specific_vlan_outside_pool(self):
        vlan_id = VLAN_MAX + 5
        self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id))
        ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)
        self.assertTrue(ovs_db_v2.get_vlan_allocation(PHYS_NET,
                                                      vlan_id).allocated)

        with self.assertRaises(q_exc.VlanIdInUse):
            ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)

        ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES)
        self.assertIsNone(ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id))

Example #6

File: test_ovs_db.py Project: ericwanghp/quantum

    def test_specific_vlan_inside_pool(self):
        vlan_id = VLAN_MIN + 5
        self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET,
                                                       vlan_id).allocated)
        ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)
        self.assertTrue(ovs_db_v2.get_vlan_allocation(PHYS_NET,
                                                      vlan_id).allocated)

        with testtools.ExpectedException(q_exc.VlanIdInUse):
            ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)

        ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES)
        self.assertFalse(ovs_db_v2.get_vlan_allocation(PHYS_NET,
                                                       vlan_id).allocated)

Example #7

File: test_ovs_db.py Project: soheilhy/quantum

    def test_specific_vlan_inside_pool(self):
        vlan_id = VLAN_MIN + 5
        self.assertFalse(
            ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated)
        ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)
        self.assertTrue(
            ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated)

        with testtools.ExpectedException(q_exc.VlanIdInUse):
            ovs_db_v2.reserve_specific_vlan(self.session, PHYS_NET, vlan_id)

        ovs_db_v2.release_vlan(self.session, PHYS_NET, vlan_id, VLAN_RANGES)
        self.assertFalse(
            ovs_db_v2.get_vlan_allocation(PHYS_NET, vlan_id).allocated)

Example #8

    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 == constants.TYPE_NONE:
                    raise q_exc.TenantNetworksDisabled()
                elif network_type == constants.TYPE_VLAN:
                    (physical_network,
                     segmentation_id) = ovs_db_v2.reserve_vlan(session)
                elif network_type == constants.TYPE_GRE:
                    segmentation_id = ovs_db_v2.reserve_tunnel(session)
                # no reservation needed for TYPE_LOCAL
            else:
                # provider network
                if network_type in [constants.TYPE_VLAN, constants.TYPE_FLAT]:
                    ovs_db_v2.reserve_specific_vlan(session, physical_network,
                                                    segmentation_id)
                elif network_type == constants.TYPE_GRE:
                    ovs_db_v2.reserve_specific_tunnel(session, segmentation_id)
                # no reservation needed for TYPE_LOCAL
            net = super(OVSQuantumPluginV2, self).create_network(context,
                                                                 network)
            ovs_db_v2.add_network_binding(session, net['id'], network_type,
                                          physical_network, segmentation_id)

            self._process_l3_create(context, network['network'], net['id'])
            self._extend_network_dict_provider(context, net)
            self._extend_network_dict_l3(context, net)
            # note - exception will rollback entire transaction
        LOG.debug(_("Created network: %s"), net['id'])
        return net