2 * Copyright (c) 2017 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.vpnmanager.populator.impl;
10 import static java.util.Collections.singletonList;
12 import java.util.Arrays;
13 import java.util.Collections;
14 import java.util.List;
15 import java.util.Objects;
16 import javax.annotation.PostConstruct;
17 import javax.annotation.PreDestroy;
18 import javax.inject.Inject;
19 import javax.inject.Singleton;
20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
21 import org.opendaylight.genius.infra.Datastore.Configuration;
22 import org.opendaylight.genius.infra.TypedWriteTransaction;
23 import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
24 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
25 import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
26 import org.opendaylight.netvirt.vpnmanager.VpnConstants;
27 import org.opendaylight.netvirt.vpnmanager.VpnUtil;
28 import org.opendaylight.netvirt.vpnmanager.populator.input.L3vpnInput;
29 import org.opendaylight.netvirt.vpnmanager.populator.registry.L3vpnRegistry;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.Adjacency;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.AdjacencyBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.adjacency.list.AdjacencyKey;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
36 import org.opendaylight.yangtools.yang.common.Uint32;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
41 public class L3vpnOverMplsGrePopulator extends L3vpnPopulator {
42 private final IdManagerService idManager;
43 private static final Logger LOG = LoggerFactory.getLogger(L3vpnOverMplsGrePopulator.class);
46 public L3vpnOverMplsGrePopulator(DataBroker dataBroker, IBgpManager bgpManager, IFibManager fibManager,
47 IdManagerService idManager, VpnUtil vpnUtil) {
48 super(dataBroker, bgpManager, fibManager, vpnUtil);
49 this.idManager = idManager;
54 LOG.info("{} start", getClass().getSimpleName());
55 L3vpnRegistry.registerL3vpnPopulator(VrfEntry.EncapType.Mplsgre, this);
60 LOG.trace("L3vpnOverMplsGrePopulator Closed");
64 public void populateFib(L3vpnInput input, TypedWriteTransaction<Configuration> writeConfigTxn) {
65 if (input.getRouteOrigin() == RouteOrigin.CONNECTED) {
66 LOG.info("populateFib : Found SubnetRoute for subnet {} rd {}", input.getSubnetIp(), input.getPrimaryRd());
67 addSubnetRouteFibEntry(input);
70 Adjacency nextHop = input.getNextHop();
71 Uint32 label = nextHop.getLabel();
72 String vpnName = input.getVpnName();
73 String primaryRd = input.getPrimaryRd();
74 String rd = input.getRd();
75 String nextHopIp = input.getNextHopIp();
76 VrfEntry.EncapType encapType = input.getEncapType();
77 LOG.info("populateFib : Found Interface Adjacency with prefix {} rd {}", nextHop.getIpAddress(), primaryRd);
78 List<VpnInstanceOpDataEntry> vpnsToImportRoute = vpnUtil.getVpnsImportingMyRoute(vpnName);
79 Uint32 vpnId = vpnUtil.getVpnId(vpnName);
80 String nextHopIpAddress = nextHop.getIpAddress(); // it is a valid case for nextHopIpAddress to be null
81 // Not advertising the prefix to BGP for InternalVpn (where rd is vpnName),
82 // transparentInternetVpn (where rd is Network name)
83 // and internalVpnForExtraRoute (where rd is DpnId)
84 if (VpnUtil.isEligibleForBgp(primaryRd, input.getVpnName(), input.getDpnId(), input.getNetworkName())) {
85 // the DpnId is set as rd in case of extra routes present in router based VPN
86 addToLabelMapper(label, input.getDpnId(), nextHopIpAddress,
87 singletonList(nextHopIp), vpnId, input.getInterfaceName(), null,false,
89 Objects.requireNonNull(input.getRouteOrigin(), "RouteOrigin is mandatory");
90 addPrefixToBGP(rd, primaryRd, null /*macAddress*/, nextHopIpAddress, nextHopIp, encapType,
91 label, Uint32.ZERO /*l3vni*/, input.getGatewayMac(), input.getRouteOrigin(),
93 //TODO: ERT - check for VPNs importing my route
94 for (VpnInstanceOpDataEntry vpn : vpnsToImportRoute) {
95 String vpnRd = vpn.getVrfId();
97 fibManager.addOrUpdateFibEntry(vpnRd, null /*macAddress*/,
98 nextHopIpAddress, Arrays.asList(nextHopIp), encapType, label,
99 Uint32.ZERO /*l3vni*/, input.getGatewayMac(), primaryRd, RouteOrigin.SELF_IMPORTED,
101 LOG.info("populateFib: Exported route with rd {} prefix {} nexthop {} label {}"
102 + " to VPN {} for interface {} on dpn {}", vpnRd, nextHop.getIpAddress(), nextHopIp, label,
103 vpn, input.getInterfaceName(), input.getDpnId());
107 // ### add FIB route directly
108 fibManager.addOrUpdateFibEntry(vpnName, null /*macAddress*/,
109 nextHopIpAddress, Arrays.asList(nextHopIp), encapType, label,
110 Uint32.ZERO /*l3vni*/, input.getGatewayMac(), null /*parentVpnRd*/,
111 input.getRouteOrigin(), writeConfigTxn);
112 LOG.info("populateFib: Added internal FIB entry for prefix {} nexthop {} label {}"
113 + " to VPN {} for interface {} on dpn {}", nextHop.getIpAddress(), nextHopIp, label, vpnName,
114 input.getInterfaceName(), input.getDpnId());
119 public Adjacency createOperationalAdjacency(L3vpnInput input) {
120 Adjacency nextHop = input.getNextHop();
121 String nextHopIp = input.getNextHopIp();
122 String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
123 List<String> adjNextHop = nextHop.getNextHopIpList();
124 String rd = input.getRd();
125 String primaryRd = input.getPrimaryRd();
126 String vpnName = input.getVpnName();
127 Uint32 label = vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(primaryRd, prefix));
128 if (label.longValue() == VpnConstants.INVALID_LABEL) {
129 String error = "Unable to fetch label from Id Manager. Bailing out of creation of operational "
130 + "vpn interface adjacency " + prefix + "for vpn " + vpnName;
131 throw new NullPointerException(error);
133 List<String> nextHopList = adjNextHop != null && !adjNextHop.isEmpty() ? adjNextHop
134 : nextHopIp == null ? Collections.emptyList() : singletonList(nextHopIp);
136 return new AdjacencyBuilder(nextHop).setLabel(label).setNextHopIpList(nextHopList)
137 .setIpAddress(prefix).setVrfId(rd).withKey(new AdjacencyKey(prefix))
138 .setAdjacencyType(nextHop.getAdjacencyType())
139 .setSubnetGatewayMacAddress(nextHop.getSubnetGatewayMacAddress()).build();