elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/l2gw/listeners/HwvtepTerminationPointListener.java

   1 /*
   2  * Copyright © 2016, 2017 Ericsson India Global Services Pvt Ltd. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.netvirt.elan.l2gw.listeners;
   9
  10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.ArrayList;
  14 import java.util.Collections;
  15 import java.util.List;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.genius.datastoreutils.hwvtep.HwvtepClusteredDataTreeChangeListener;
  21 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  22 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  23 import org.opendaylight.genius.utils.hwvtep.HwvtepNodeHACache;
  24 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundConstants;
  25 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundUtils;
  26 import org.opendaylight.genius.utils.hwvtep.HwvtepUtils;
  27 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayUtils;
  28 import org.opendaylight.netvirt.elan.l2gw.utils.L2GatewayConnectionUtils;
  29 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  30 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayCache;
  31 import org.opendaylight.netvirt.neutronvpn.api.l2gw.L2GatewayDevice;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.Devices;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.devices.Interfaces;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.connections.attributes.l2gatewayconnections.L2gatewayConnection;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateways.attributes.l2gateways.L2gateway;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalPortAugmentation;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.PhysicalSwitchAugmentation;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.port.attributes.VlanBindings;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  41 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
  42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49
  50 /**
  51  * Listener for physical locator presence in operational datastore.
  52  */
  53 @Singleton
  54 public class HwvtepTerminationPointListener
  55         extends HwvtepClusteredDataTreeChangeListener<TerminationPoint, HwvtepTerminationPointListener> {
  56
  57     private static final Logger LOG = LoggerFactory.getLogger(HwvtepTerminationPointListener.class);
  58
  59     private final DataBroker broker;
  60     private final ManagedNewTransactionRunner txRunner;
  61     private final ElanL2GatewayUtils elanL2GatewayUtils;
  62     private final ElanClusterUtils elanClusterUtils;
  63     private final L2GatewayCache l2GatewayCache;
  64
  65     @Inject
  66     public HwvtepTerminationPointListener(DataBroker broker, ElanL2GatewayUtils elanL2GatewayUtils,
  67             ElanClusterUtils elanClusterUtils, L2GatewayCache l2GatewayCache,
  68             HwvtepNodeHACache hwvtepNodeHACache) {
  69         super(TerminationPoint.class, HwvtepTerminationPointListener.class, hwvtepNodeHACache);
  70
  71         this.broker = broker;
  72         this.txRunner = new ManagedNewTransactionRunnerImpl(broker);
  73         this.elanL2GatewayUtils = elanL2GatewayUtils;
  74         this.elanClusterUtils = elanClusterUtils;
  75         this.l2GatewayCache = l2GatewayCache;
  76         //No longer needed as port reconciliation is added in plugin
  77         //registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  78         LOG.debug("created HwvtepTerminationPointListener");
  79     }
  80
  81     @Override
  82     protected void removed(InstanceIdentifier<TerminationPoint> identifier, TerminationPoint del) {
  83         LOG.trace("physical locator removed {}", identifier);
  84         final HwvtepPhysicalPortAugmentation portAugmentation =
  85                 del.augmentation(HwvtepPhysicalPortAugmentation.class);
  86         if (portAugmentation != null) {
  87             elanClusterUtils.runOnlyInOwnerNode(HwvtepSouthboundConstants.ELAN_ENTITY_NAME,
  88                 "Handling Physical port delete",
  89                 () -> handlePortDeleted(identifier));
  90         }
  91     }
  92
  93     @Override
  94     protected void updated(InstanceIdentifier<TerminationPoint> identifier, TerminationPoint original,
  95                            TerminationPoint update) {
  96         LOG.trace("physical locator available {}", identifier);
  97     }
  98
  99     @Override
 100     protected void added(InstanceIdentifier<TerminationPoint> identifier, final TerminationPoint add) {
 101         final HwvtepPhysicalPortAugmentation portAugmentation =
 102                 add.augmentation(HwvtepPhysicalPortAugmentation.class);
 103         if (portAugmentation != null) {
 104             final NodeId nodeId = identifier.firstIdentifierOf(Node.class).firstKeyOf(Node.class).getNodeId();
 105             elanClusterUtils.runOnlyInOwnerNode(HwvtepSouthboundConstants.ELAN_ENTITY_NAME,
 106                 () -> handlePortAdded(add, nodeId));
 107             return;
 108         }
 109
 110         LOG.trace("physical locator available {}", identifier);
 111     }
 112
 113     @Override
 114     protected InstanceIdentifier<TerminationPoint> getWildCardPath() {
 115         return InstanceIdentifier.create(NetworkTopology.class)
 116                 .child(Topology.class, new TopologyKey(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID)).child(Node.class)
 117                 .child(TerminationPoint.class);
 118     }
 119
 120     @Override
 121     protected HwvtepTerminationPointListener getDataTreeChangeListener() {
 122         return this;
 123     }
 124
 125     private List<ListenableFuture<Void>> handlePortAdded(TerminationPoint portAdded, NodeId psNodeId) {
 126         Node psNode = HwvtepUtils.getHwVtepNode(broker, LogicalDatastoreType.OPERATIONAL, psNodeId);
 127         if (psNode != null) {
 128             String psName = psNode.augmentation(PhysicalSwitchAugmentation.class).getHwvtepNodeName().getValue();
 129             L2GatewayDevice l2GwDevice = l2GatewayCache.get(psName);
 130             if (l2GwDevice != null) {
 131                 if (isL2GatewayConfigured(l2GwDevice)) {
 132                     List<L2gatewayConnection> l2GwConns = L2GatewayConnectionUtils.getAssociatedL2GwConnections(broker,
 133                             l2GwDevice.getL2GatewayIds());
 134                     String newPortId = portAdded.getTpId().getValue();
 135                     NodeId hwvtepNodeId = new NodeId(l2GwDevice.getHwvtepNodeId());
 136                     List<VlanBindings> vlanBindings = getVlanBindings(l2GwConns, hwvtepNodeId, psName, newPortId);
 137                     return Collections.singletonList(
 138                             elanL2GatewayUtils.updateVlanBindingsInL2GatewayDevice(hwvtepNodeId, psName, newPortId,
 139                                     vlanBindings));
 140                 }
 141             } else {
 142                 LOG.error("{} details are not present in L2Gateway Cache", psName);
 143             }
 144         } else {
 145             LOG.error("{} entry not in config datastore", psNodeId);
 146         }
 147         return Collections.emptyList();
 148     }
 149
 150     private List<ListenableFuture<Void>> handlePortDeleted(InstanceIdentifier<TerminationPoint> identifier) {
 151         InstanceIdentifier<Node> psNodeIid = identifier.firstIdentifierOf(Node.class);
 152         return Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION,
 153             tx -> tx.read(psNodeIid).get().toJavaUtil().ifPresent(
 154                 node -> tx.delete(identifier))));
 155     }
 156
 157     private List<VlanBindings> getVlanBindings(List<L2gatewayConnection> l2GwConns, NodeId hwvtepNodeId, String psName,
 158                                                String newPortId) {
 159         List<VlanBindings> vlanBindings = new ArrayList<>();
 160         for (L2gatewayConnection l2GwConn : l2GwConns) {
 161             L2gateway l2Gateway = L2GatewayConnectionUtils.getNeutronL2gateway(broker, l2GwConn.getL2gatewayId());
 162             if (l2Gateway == null) {
 163                 LOG.error("L2Gateway with id {} is not present", l2GwConn.getL2gatewayId().getValue());
 164             } else {
 165                 String logicalSwitchName = ElanL2GatewayUtils.getLogicalSwitchFromElan(
 166                         l2GwConn.getNetworkId().getValue());
 167                 List<Devices> l2Devices = l2Gateway.getDevices();
 168                 for (Devices l2Device : l2Devices) {
 169                     String l2DeviceName = l2Device.getDeviceName();
 170                     if (l2DeviceName != null && l2DeviceName.equals(psName)) {
 171                         for (Interfaces deviceInterface : l2Device.getInterfaces()) {
 172                             if (deviceInterface.getInterfaceName().equals(newPortId)) {
 173                                 if (deviceInterface.getSegmentationIds() != null
 174                                         && !deviceInterface.getSegmentationIds().isEmpty()) {
 175                                     for (Integer vlanId : deviceInterface.getSegmentationIds()) {
 176                                         vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(hwvtepNodeId, vlanId,
 177                                                 logicalSwitchName));
 178                                     }
 179                                 } else {
 180                                     // Use defaultVlanId (specified in L2GatewayConnection) if Vlan
 181                                     // ID not specified at interface level.
 182                                     Integer segmentationId = l2GwConn.getSegmentId();
 183                                     int defaultVlanId = segmentationId != null ? segmentationId : 0;
 184                                     vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(hwvtepNodeId,
 185                                             defaultVlanId, logicalSwitchName));
 186                                 }
 187                             }
 188                         }
 189                     }
 190                 }
 191             }
 192         }
 193         return vlanBindings;
 194     }
 195
 196     private boolean isL2GatewayConfigured(L2GatewayDevice l2GwDevice) {
 197         return l2GwDevice.getHwvtepNodeId() != null
 198                 && !l2GwDevice.getL2GatewayIds().isEmpty() && l2GwDevice.getTunnelIp() != null;
 199     }
 200 }