2 * Copyright (c) 2015 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.vpnservice.itm.confighelpers;
10 import java.math.BigInteger;
11 import java.util.ArrayList;
12 import java.util.List;
13 import java.util.concurrent.Callable;
15 import com.google.common.util.concurrent.ListenableFuture;
17 import org.opendaylight.vpnservice.itm.impl.ItmUtils;
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.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.Tunnels;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.TunnelsBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.tunnels.DPNTEPsInfo;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.itm.op.rev150701.tunnels.dpn.teps.info.TunnelEndPoints;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeGre;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeVxlan;
29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
30 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
31 import org.slf4j.Logger;
32 import org.slf4j.LoggerFactory;
34 public class ItmInternalTunnelAddWorker {
35 private static final Logger logger = LoggerFactory.getLogger(ItmInternalTunnelAddWorker.class) ;
37 public static List<ListenableFuture<Void>> build_all_tunnels(DataBroker dataBroker, List<DPNTEPsInfo> cfgdDpnList, List<DPNTEPsInfo> meshedDpnList) {
38 logger.trace( "Building tunnels with DPN List {} " , cfgdDpnList );
39 List<ListenableFuture<Void>> futures = new ArrayList<>();
40 WriteTransaction t = dataBroker.newWriteOnlyTransaction();
41 if( null == cfgdDpnList || cfgdDpnList.isEmpty()) {
42 logger.error(" Build Tunnels was invoked with empty list");
46 for( DPNTEPsInfo dpn : cfgdDpnList) {
47 build_tunnel_from(dpn, meshedDpnList, dataBroker, t, futures);
48 if(null == meshedDpnList) {
49 meshedDpnList = new ArrayList<DPNTEPsInfo>() ;
51 meshedDpnList.add(dpn) ;
52 // Update the operational datastore -- FIXME -- Error Handling
53 updateOperationalDatastore(dataBroker, dpn, t, futures) ;
55 futures.add( t.submit()) ;
59 private static void updateOperationalDatastore(DataBroker dataBroker, DPNTEPsInfo dpn, WriteTransaction t, List<ListenableFuture<Void>> futures) {
60 logger.debug("Updating CONFIGURATION datastore with DPN {} ", dpn);
61 InstanceIdentifier<Tunnels> tnId = InstanceIdentifier.builder( Tunnels.class).build() ;
62 List<DPNTEPsInfo> dpnList = new ArrayList<DPNTEPsInfo>() ;
64 Tunnels tnlBuilder = new TunnelsBuilder().setDPNTEPsInfo(dpnList).build() ;
65 t.merge(LogicalDatastoreType.CONFIGURATION, tnId, tnlBuilder, true);
68 private static void build_tunnel_from( DPNTEPsInfo srcDpn,List<DPNTEPsInfo> meshedDpnList, DataBroker dataBroker, WriteTransaction t, List<ListenableFuture<Void>> futures) {
69 logger.trace( "Building tunnels from DPN {} " , srcDpn );
71 if( null == meshedDpnList || 0 == meshedDpnList.size()) {
72 logger.debug( "No DPN in the mesh ");
75 for( DPNTEPsInfo dstDpn: meshedDpnList) {
76 if ( ! srcDpn.equals(dstDpn) )
77 wireUpWithinTransportZone(srcDpn, dstDpn, dataBroker, t, futures) ;
82 private static void wireUpWithinTransportZone( DPNTEPsInfo srcDpn, DPNTEPsInfo dstDpn, DataBroker dataBroker, WriteTransaction t, List<ListenableFuture<Void>> futures) {
83 logger.trace( "Wiring up within Transport Zone for Dpns {}, {} " , srcDpn, dstDpn );
84 List<TunnelEndPoints> srcEndPts = srcDpn.getTunnelEndPoints();
85 List<TunnelEndPoints> dstEndPts = dstDpn.getTunnelEndPoints();
87 for( TunnelEndPoints srcte : srcEndPts) {
88 for( TunnelEndPoints dstte : dstEndPts ) {
89 // Compare the Transport zones
90 if (!srcDpn.getDPNID().equals(dstDpn.getDPNID())) {
91 if( (srcte.getTransportZone().equals(dstte.getTransportZone()))) {
93 wireUpBidirectionalTunnel( srcte, dstte, srcDpn.getDPNID(), dstDpn.getDPNID(), dataBroker, t, futures );
94 // CHECK THIS -- Assumption -- One end point per Dpn per transport zone
102 private static void wireUpBidirectionalTunnel( TunnelEndPoints srcte, TunnelEndPoints dstte, BigInteger srcDpnId, BigInteger dstDpnId,
103 DataBroker dataBroker, WriteTransaction t, List<ListenableFuture<Void>> futures) {
104 // Setup the flow for LLDP monitoring -- PUNT TO CONTROLLER
105 // setUpOrRemoveTerminatingServiceTable(srcDpnId, true);
106 // setUpOrRemoveTerminatingServiceTable(dstDpnId, true);
108 // Create the forward direction tunnel
109 if(!wireUp( srcte, dstte, srcDpnId, dstDpnId, dataBroker, t, futures ))
110 logger.error("Could not build tunnel between end points {}, {} " , srcte, dstte );
112 // CHECK IF FORWARD IS NOT BUILT , REVERSE CAN BE BUILT
113 // Create the tunnel for the reverse direction
114 if(! wireUp( dstte, srcte, dstDpnId, srcDpnId, dataBroker, t, futures ))
115 logger.error("Could not build tunnel between end points {}, {} " , dstte, srcte);
118 private static boolean wireUp( TunnelEndPoints srcte, TunnelEndPoints dstte, BigInteger srcDpnId, BigInteger dstDpnId ,
119 DataBroker dataBroker, WriteTransaction t, List<ListenableFuture<Void>> futures) {
121 logger.trace( "Wiring between source tunnel end points {}, destination tunnel end points {} " , srcte, dstte );
122 String interfaceName = srcte.getInterfaceName() ;
123 Class<? extends TunnelTypeBase> tunType = (srcte.getTunnelType().equals("GRE") ) ? TunnelTypeGre.class :TunnelTypeVxlan.class ;
124 String ifDescription = (srcte.getTunnelType().equals("GRE") ) ? "GRE" : "VxLan" ;
125 // Form the trunk Interface Name
126 String trunkInterfaceName = ItmUtils.getTrunkInterfaceName(interfaceName,srcte.getIpAddress().getIpv4Address().getValue(), dstte.getIpAddress().getIpv4Address().getValue()) ;
127 IpAddress gwyIpAddress = ( srcte.getSubnetMask().equals(dstte.getSubnetMask()) ) ? null : srcte.getGwIpAddress() ;
128 logger.debug( " Creating Trunk Interface with parameters trunk I/f Name - {}, parent I/f name - {}, source IP - {}, destination IP - {} gateway IP - {}",trunkInterfaceName, interfaceName, srcte.getIpAddress(), dstte.getIpAddress(), gwyIpAddress ) ;
129 Interface iface = ItmUtils.buildTunnelInterface(srcDpnId, trunkInterfaceName, String.format( "%s %s",ifDescription, "Trunk Interface"), true, tunType, srcte.getIpAddress(), dstte.getIpAddress(), gwyIpAddress) ;
130 logger.debug( " Trunk Interface builder - {} ", iface ) ;
131 InstanceIdentifier<Interface> trunkIdentifier = ItmUtils.buildId(trunkInterfaceName);
132 logger.debug( " Trunk Interface Identifier - {} ", trunkIdentifier ) ;
133 logger.trace( " Writing Trunk Interface to Config DS {}, {} ", trunkIdentifier, iface ) ;
134 t.merge(LogicalDatastoreType.CONFIGURATION, trunkIdentifier, iface, true);