2 * Copyright (c) 2017, 2018 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netvirt.neutronvpn;
10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
12 import com.google.common.base.Preconditions;
13 import java.util.ArrayList;
14 import java.util.Collections;
15 import java.util.List;
16 import javax.annotation.PostConstruct;
17 import javax.inject.Inject;
18 import javax.inject.Singleton;
19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
21 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
22 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
23 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
24 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
25 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana._if.type.rev170119.L2vlan;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlan;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.IfL2vlanBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefs;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefsBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.SplitHorizon;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.SplitHorizonBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.l2.types.rev130827.VlanId;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.networks.rev150712.NetworkTypeVlan;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.trunks.rev170118.trunk.attributes.SubPorts;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.trunks.rev170118.trunks.attributes.Trunks;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.trunks.rev170118.trunks.attributes.trunks.Trunk;
41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
42 import org.slf4j.Logger;
43 import org.slf4j.LoggerFactory;
46 public class NeutronTrunkChangeListener extends AsyncDataTreeChangeListenerBase<Trunk, NeutronTrunkChangeListener> {
47 private static final Logger LOG = LoggerFactory.getLogger(NeutronTrunkChangeListener.class);
49 private final DataBroker dataBroker;
50 private final ManagedNewTransactionRunner txRunner;
51 private final IInterfaceManager ifMgr;
52 private final JobCoordinator jobCoordinator;
55 public NeutronTrunkChangeListener(final DataBroker dataBroker, final IInterfaceManager ifMgr,
56 final JobCoordinator jobCoordinator) {
57 this.dataBroker = dataBroker;
58 this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
60 this.jobCoordinator = jobCoordinator;
66 LOG.info("{} init", getClass().getSimpleName());
67 registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
71 protected InstanceIdentifier<Trunk> getWildCardPath() {
72 return InstanceIdentifier.create(Neutron.class).child(Trunks.class).child(Trunk.class);
76 protected NeutronTrunkChangeListener getDataTreeChangeListener() {
77 return NeutronTrunkChangeListener.this;
81 protected void add(InstanceIdentifier<Trunk> identifier, Trunk input) {
82 Preconditions.checkNotNull(input.getPortId());
83 LOG.trace("Adding Trunk : key: {}, value={}", identifier, input);
84 List<SubPorts> subPorts = input.getSubPorts();
85 if (subPorts != null) {
86 subPorts.forEach(subPort -> createSubPortInterface(input, subPort));
91 protected void remove(InstanceIdentifier<Trunk> identifier, Trunk input) {
92 Preconditions.checkNotNull(input.getPortId());
93 LOG.trace("Removing Trunk : key: {}, value={}", identifier, input);
94 List<SubPorts> subPorts = input.getSubPorts();
95 if (subPorts != null) {
96 subPorts.forEach(this::deleteSubPortInterface);
101 protected void update(InstanceIdentifier<Trunk> identifier, Trunk original, Trunk update) {
102 List<SubPorts> updatedSubPorts = update.getSubPorts();
103 if (updatedSubPorts == null) {
104 updatedSubPorts = Collections.emptyList();
106 List<SubPorts> originalSubPorts = original.getSubPorts();
107 if (originalSubPorts == null) {
108 originalSubPorts = Collections.emptyList();
110 List<SubPorts> added = new ArrayList<>(updatedSubPorts);
111 added.removeAll(originalSubPorts);
112 List<SubPorts> deleted = new ArrayList<>(originalSubPorts);
113 deleted.removeAll(updatedSubPorts);
115 LOG.trace("Updating Trunk : key: {}. subPortsAdded={}, subPortsDeleted={}", identifier, added, deleted);
116 deleted.forEach(this::deleteSubPortInterface);
117 added.forEach(subPort -> createSubPortInterface(update, subPort));
120 private void createSubPortInterface(Trunk trunk, SubPorts subPort) {
121 if (!NetworkTypeVlan.class.equals(subPort.getSegmentationType())) {
122 LOG.warn("SegmentationType other than VLAN not supported for Trunk:SubPorts");
125 String portName = subPort.getPortId().getValue();
126 String parentName = trunk.getPortId().getValue();
127 InstanceIdentifier<Interface> interfaceIdentifier = NeutronvpnUtils.buildVlanInterfaceIdentifier(portName);
129 // Should we use parentName?
130 jobCoordinator.enqueueJob("PORT- " + portName, () -> {
131 Interface iface = ifMgr.getInterfaceInfoFromConfigDataStore(portName);
134 * Trunk creation requires NeutronPort to be present, by this time interface
135 * should've been created. In controller restart use case Interface would already be present.
136 * Clustering consideration:
137 * This being same shard as NeutronPort, interface creation will be triggered on the same
138 * node as this one. Use of DSJC helps ensure the order.
140 LOG.warn("Interface not present for Trunk SubPort: {}", subPort);
141 return Collections.emptyList();
143 InterfaceBuilder interfaceBuilder = new InterfaceBuilder();
144 IfL2vlan ifL2vlan = new IfL2vlanBuilder().setL2vlanMode(IfL2vlan.L2vlanMode.TrunkMember)
145 .setVlanId(new VlanId(subPort.getSegmentationId().intValue())).build();
146 ParentRefs parentRefs = new ParentRefsBuilder().setParentInterface(parentName).build();
147 SplitHorizon splitHorizon = new SplitHorizonBuilder().setOverrideSplitHorizonProtection(true).build();
148 interfaceBuilder.setName(portName).setType(L2vlan.class).addAugmentation(IfL2vlan.class, ifL2vlan)
149 .addAugmentation(ParentRefs.class, parentRefs).addAugmentation(SplitHorizon.class, splitHorizon);
150 Interface newIface = interfaceBuilder.build();
152 * Interface is already created for parent NeutronPort. We're updating parent refs
153 * and VLAN Information
155 return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(
156 CONFIGURATION, tx -> {
157 tx.merge(interfaceIdentifier, newIface);
158 LOG.trace("Creating trunk member interface {}", newIface);
163 private void deleteSubPortInterface(SubPorts subPort) {
164 String portName = subPort.getPortId().getValue();
165 InstanceIdentifier<Interface> interfaceIdentifier =
166 NeutronvpnUtils.buildVlanInterfaceIdentifier(subPort.getPortId().getValue());
167 jobCoordinator.enqueueJob("PORT- " + portName, () -> {
168 Interface iface = ifMgr.getInterfaceInfoFromConfigDataStore(portName);
170 LOG.warn("Interface not present for SubPort {}", subPort);
171 return Collections.emptyList();
174 * We'll reset interface back to way it was? Can IFM handle parentRef delete?
176 InterfaceBuilder interfaceBuilder = new InterfaceBuilder(iface);
177 // Reset augmentations
178 interfaceBuilder.removeAugmentation(IfL2vlan.class).removeAugmentation(ParentRefs.class)
179 .removeAugmentation(SplitHorizon.class);
180 IfL2vlan ifL2vlan = new IfL2vlanBuilder().setL2vlanMode(IfL2vlan.L2vlanMode.Trunk).build();
181 interfaceBuilder.addAugmentation(IfL2vlan.class, ifL2vlan);
182 Interface newIface = interfaceBuilder.build();
184 * There is no means to do an update to remove elements from a node.
185 * Our solution is to get existing iface, remove parentRef and VlanId,
186 * and do a put to replace existing entry. This works out better as put
187 * has better performance than merge.
188 * Only drawback is any in-flight changes might be lost, but that is a corner case
189 * and this being subport delete path, don't expect any significant changes to
190 * corresponding Neutron Port. Deletion of NeutronPort should follow soon enough.
192 return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(
193 CONFIGURATION, tx -> {
194 tx.put(interfaceIdentifier, newIface);
195 LOG.trace("Resetting trunk member interface {}", newIface);