ipv6service/impl/src/main/java/org/opendaylight/netvirt/ipv6service/NeutronPortChangeListener.java

   1 /*
   2  * Copyright (c) 2016, 2017 Red Hat, Inc. 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.ipv6service;
   9
  10 import com.google.common.base.Strings;
  11 import java.util.Collections;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Set;
  15 import javax.annotation.PostConstruct;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.eclipse.jdt.annotation.Nullable;
  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.AsyncClusteredDataTreeChangeListenerBase;
  22 import org.opendaylight.netvirt.ipv6service.utils.Ipv6ServiceConstants;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 @Singleton
  33 public class NeutronPortChangeListener extends AsyncClusteredDataTreeChangeListenerBase<Port,
  34         NeutronPortChangeListener> {
  35     private static final Logger LOG = LoggerFactory.getLogger(NeutronPortChangeListener.class);
  36     private final DataBroker dataBroker;
  37     private final IfMgr ifMgr;
  38
  39     @Inject
  40     public NeutronPortChangeListener(final DataBroker dataBroker, IfMgr ifMgr) {
  41         this.dataBroker = dataBroker;
  42         this.ifMgr = ifMgr;
  43     }
  44
  45     @PostConstruct
  46     public void init() {
  47         LOG.info("{} init", getClass().getSimpleName());
  48         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  49     }
  50
  51     @Override
  52     protected InstanceIdentifier<Port> getWildCardPath() {
  53         return InstanceIdentifier.create(Neutron.class).child(Ports.class).child(Port.class);
  54     }
  55
  56     @Override
  57     protected void add(InstanceIdentifier<Port> identifier, Port port) {
  58         if (Ipv6ServiceConstants.NETWORK_ROUTER_GATEWAY.equalsIgnoreCase(port.getDeviceOwner())) {
  59             // Todo: revisit when IPv6 north-south support is implemented.
  60             LOG.info("IPv6Service (TODO): Skipping router_gateway port {} for add event", port);
  61             return;
  62         }
  63         if (Ipv6ServiceConstants.DEVICE_OWNER_DHCP.equalsIgnoreCase(port.getDeviceOwner())) {
  64             LOG.info("IPv6Service: Skipping network_dhcp port {} for add event", port);
  65             return;
  66         }
  67
  68         LOG.debug("Add port notification handler is invoked for port {} ", port);
  69         for (FixedIps fixedip : port.nonnullFixedIps()) {
  70             if (fixedip.getIpAddress().getIpv4Address() != null) {
  71                 continue;
  72             }
  73             addInterfaceInfo(port, fixedip);
  74         }
  75     }
  76
  77     @Override
  78     protected void remove(InstanceIdentifier<Port> identifier, Port port) {
  79         if (Ipv6ServiceConstants.NETWORK_ROUTER_GATEWAY.equalsIgnoreCase(port.getDeviceOwner())) {
  80             // Todo: revisit when IPv6 north-south support is implemented.
  81             LOG.info("IPv6Service (TODO): Skipping router_gateway port {} for remove event", port);
  82             return;
  83         }
  84         if (Ipv6ServiceConstants.DEVICE_OWNER_DHCP.equalsIgnoreCase(port.getDeviceOwner())) {
  85             LOG.info("IPv6Service: Skipping network_dhcp port {} for remove event", port);
  86             return;
  87         }
  88
  89         LOG.debug("remove port notification handler is invoked for port {}", port);
  90         ifMgr.removePort(port.getUuid());
  91     }
  92
  93     @Override
  94     protected void update(InstanceIdentifier<Port> identifier, Port original, Port update) {
  95         if (Ipv6ServiceConstants.NETWORK_ROUTER_GATEWAY.equalsIgnoreCase(update.getDeviceOwner())) {
  96             // Todo: revisit when IPv6 north-south support is implemented.
  97             LOG.info("IPv6Service (TODO): Skipping router_gateway port {} for update event", update);
  98             return;
  99         }
 100         if (Ipv6ServiceConstants.DEVICE_OWNER_DHCP.equalsIgnoreCase(update.getDeviceOwner())) {
 101             LOG.info("IPv6Service: Skipping network_dhcp port {} for update event", update);
 102             return;
 103         }
 104
 105         LOG.debug("update port notification handler is invoked for port {} ", update);
 106
 107         Set<FixedIps> ipsBefore = getFixedIpSet(original.getFixedIps());
 108         Set<FixedIps> ipsAfter = getFixedIpSet(update.getFixedIps());
 109
 110         Set<FixedIps> deletedIps = new HashSet<>(ipsBefore);
 111         deletedIps.removeAll(ipsAfter);
 112
 113         if (!ipsBefore.equals(ipsAfter)) {
 114             Boolean portIncludesV6Address = Boolean.FALSE;
 115             ifMgr.clearAnyExistingSubnetInfo(update.getUuid());
 116
 117             Set<FixedIps> remainingIps = new HashSet<>(ipsAfter);
 118             remainingIps.removeAll(deletedIps);
 119             for (FixedIps fixedip : remainingIps) {
 120                 if (fixedip.getIpAddress().getIpv4Address() != null) {
 121                     continue;
 122                 }
 123                 portIncludesV6Address = Boolean.TRUE;
 124                 addInterfaceInfo(update, fixedip);
 125             }
 126
 127             if (update.getDeviceOwner().equalsIgnoreCase(Ipv6ServiceConstants.NETWORK_ROUTER_INTERFACE)) {
 128                 ifMgr.updateRouterIntf(update.getUuid(), new Uuid(update.getDeviceId()), update.getFixedIps(),
 129                         deletedIps);
 130             } else {
 131                 ifMgr.updateHostIntf(update.getUuid(), portIncludesV6Address);
 132             }
 133         }
 134         //Neutron Port update with proper device owner information
 135         if ((Strings.isNullOrEmpty(original.getDeviceOwner()) || Strings.isNullOrEmpty(original.getDeviceId()))
 136                 && !Strings.isNullOrEmpty(update.getDeviceOwner()) && !Strings.isNullOrEmpty(update.getDeviceId())) {
 137             for (FixedIps fixedip : update.nonnullFixedIps()) {
 138                 if (fixedip.getIpAddress().getIpv4Address() != null) {
 139                     continue;
 140                 }
 141                 addInterfaceInfo(update, fixedip);
 142             }
 143         }
 144     }
 145
 146     protected void addInterfaceInfo(Port port, FixedIps fixedip) {
 147         if (Ipv6ServiceConstants.NETWORK_ROUTER_INTERFACE.equalsIgnoreCase(port.getDeviceOwner())) {
 148             LOG.info("IPv6: addInterfaceInfo is invoked for a router interface {}, fixedIp: {}", port, fixedip);
 149             // Add router interface
 150             ifMgr.addRouterIntf(port.getUuid(),
 151                     new Uuid(port.getDeviceId()),
 152                     fixedip.getSubnetId(),
 153                     port.getNetworkId(),
 154                     fixedip.getIpAddress(),
 155                     port.getMacAddress().getValue(),
 156                     port.getDeviceOwner());
 157         } else {
 158             LOG.info("IPv6: addInterfaceInfo is invoked for a host interface {}, fixedIp: {}", port, fixedip);
 159             // Add host interface
 160             ifMgr.addHostIntf(port.getUuid(),
 161                     fixedip.getSubnetId(),
 162                     port.getNetworkId(),
 163                     fixedip.getIpAddress(),
 164                     port.getMacAddress().getValue(),
 165                     port.getDeviceOwner());
 166         }
 167     }
 168
 169     private Set<FixedIps> getFixedIpSet(@Nullable List<FixedIps> fixedIps) {
 170         return fixedIps != null ? new HashSet<>(fixedIps) : Collections.emptySet();
 171     }
 172
 173     @Override
 174     protected NeutronPortChangeListener getDataTreeChangeListener() {
 175         return NeutronPortChangeListener.this;
 176     }
 177 }