/* * Copyright (c) 2015, 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.vpnservice.itm.confighelpers; import java.math.BigInteger; import java.util.ArrayList; import java.util.List; import com.google.common.base.Optional; import org.opendaylight.controller.md.sal.binding.api.DataBroker; import org.opendaylight.controller.md.sal.binding.api.WriteTransaction; import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType; import org.opendaylight.vpnservice.itm.globals.ITMConstants; import org.opendaylight.vpnservice.itm.impl.ItmUtils; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress; import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeBase; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeGre; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.TunnelTypeVxlan; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.ExternalTunnelList; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.DPNTEPsInfo; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.dpn.endpoints.dpn.teps.info.TunnelEndPoints; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnel; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.op.rev150701.external.tunnel.list.ExternalTunnelKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.TransportZones; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZone; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.TransportZoneKey; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.Subnets; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.DeviceVteps; import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rev150701.transport.zones.transport.zone.subnets.Vteps; import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.google.common.util.concurrent.ListenableFuture; public class ItmExternalTunnelDeleteWorker { private static final Logger logger = LoggerFactory.getLogger(ItmExternalTunnelDeleteWorker.class ) ; public static List> deleteTunnels(DataBroker dataBroker, IdManagerService idManagerService, List dpnTepsList,IpAddress extIp, Class tunType ) { logger.trace( " Delete Tunnels towards DC Gateway with Ip {}", extIp ) ; List> futures = new ArrayList<>(); WriteTransaction t = dataBroker.newWriteOnlyTransaction(); if (dpnTepsList == null || dpnTepsList.size() == 0) { logger.debug("no vtep to delete"); return null ; } for( DPNTEPsInfo teps : dpnTepsList) { TunnelEndPoints firstEndPt = teps.getTunnelEndPoints().get(0) ; String interfaceName = firstEndPt.getInterfaceName() ; String trunkInterfaceName = ItmUtils.getTrunkInterfaceName( idManagerService, interfaceName, firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue(), tunType.getName()); InstanceIdentifier trunkIdentifier = ItmUtils.buildId(trunkInterfaceName); t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier); ItmUtils.itmCache.removeInterface(trunkInterfaceName); InstanceIdentifier path = InstanceIdentifier.create( ExternalTunnelList.class) .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(extIp.toString(), teps.getDPNID().toString(), tunType)); t.delete(LogicalDatastoreType.CONFIGURATION, path); logger.debug( "Deleting tunnel towards DC gateway, Tunnel interface name {} ",trunkInterfaceName ); ItmUtils.itmCache.removeExternalTunnel(trunkInterfaceName); // Release the Ids for the trunk interface Name ItmUtils.releaseIdForTrunkInterfaceName(idManagerService,interfaceName,firstEndPt.getIpAddress().getIpv4Address().getValue(), extIp.getIpv4Address().getValue(),tunType.getName()); } futures.add(t.submit()) ; return futures ; } public static List> deleteHwVtepsTunnels(DataBroker dataBroker, IdManagerService idManagerService, List delDpnList ,List cfgdHwVteps) { List> futures = new ArrayList<>(); WriteTransaction t = dataBroker.newWriteOnlyTransaction(); if (delDpnList != null || cfgdHwVteps != null) tunnelsDeletion(delDpnList, cfgdHwVteps, idManagerService, futures, t, dataBroker); futures.add(t.submit()); return futures; } private static void tunnelsDeletion(List cfgdDpnList, List cfgdhwVteps, IdManagerService idManagerService, List> futures, WriteTransaction t, DataBroker dataBroker) { if (cfgdDpnList != null && !cfgdDpnList.isEmpty()) { for (DPNTEPsInfo dpn : cfgdDpnList) { if (dpn.getTunnelEndPoints() != null && !dpn.getTunnelEndPoints().isEmpty()) for (TunnelEndPoints srcTep : dpn.getTunnelEndPoints()) { InstanceIdentifier tzonePath = InstanceIdentifier.builder(TransportZones.class) .child(TransportZone.class, new TransportZoneKey((srcTep.getTransportZone()))) .build(); Optional tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker); if (tZoneOptional.isPresent()) { TransportZone tZone = tZoneOptional.get(); //do we need to check tunnel type? if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) { for (Subnets sub : tZone.getSubnets()) { if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) { for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) { String cssID = dpn.getDPNID().toString(); //CSS-TOR-CSS deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(), hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(), hwVtepDS.getIpAddress(), tZone.getTunnelType(), t, futures); } } } } if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) { for (HwVtep hwVtep : cfgdhwVteps) { deleteTrunksCSSTOR(dataBroker, idManagerService, dpn.getDPNID(), srcTep.getInterfaceName(), srcTep.getIpAddress(), hwVtep.getTopo_id(), hwVtep.getNode_id(), hwVtep.getHwIp(), TunnelTypeVxlan.class, t, futures); } } } } } } if (cfgdhwVteps != null && !cfgdhwVteps.isEmpty()) { for (HwVtep hwTep : cfgdhwVteps) { logger.trace("processing hwTep from list {}", hwTep); for (HwVtep hwTepRemote : cfgdhwVteps) { if (!hwTep.getHwIp().equals(hwTepRemote.getHwIp())) { deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(), hwTep.getHwIp(), hwTepRemote.getTopo_id(), hwTepRemote.getNode_id(), hwTepRemote.getHwIp(), TunnelTypeVxlan.class, t, futures); } } InstanceIdentifier tzonePath = InstanceIdentifier.builder(TransportZones.class) .child(TransportZone.class, new TransportZoneKey((hwTep.getTransportZone()))).build(); Optional tZoneOptional = ItmUtils.read(LogicalDatastoreType.CONFIGURATION, tzonePath, dataBroker); if (tZoneOptional.isPresent()) { TransportZone tZone = tZoneOptional.get(); logger.trace("subnets under tz {} are {}", tZone.getZoneName(), tZone.getSubnets()); if (tZone.getSubnets() != null && !tZone.getSubnets().isEmpty()) { for (Subnets sub : tZone.getSubnets()) { if (sub.getDeviceVteps() != null && !sub.getDeviceVteps().isEmpty()) { for (DeviceVteps hwVtepDS : sub.getDeviceVteps()) { logger.trace("hwtepDS exists {}", hwVtepDS); if (hwVtepDS.getIpAddress().equals(hwTep.getHwIp())) continue;//dont delete tunnels with self logger.trace("deleting tor-tor {} and {}", hwTep, hwVtepDS); deleteTrunksTORTOR(dataBroker, idManagerService, hwTep.getTopo_id(), hwTep.getNode_id(), hwTep.getHwIp(), hwVtepDS.getTopologyId(), hwVtepDS.getNodeId(), hwVtepDS.getIpAddress(), tZone.getTunnelType(), t, futures); } } if (sub.getVteps() != null && !sub.getVteps().isEmpty()) { for (Vteps vtep : sub.getVteps()) { logger.trace("deleting tor-css-tor {} and {}", hwTep, vtep); String parentIf = ItmUtils.getInterfaceName(vtep.getDpnId(), vtep.getPortname(), sub.getVlanId()); deleteTrunksCSSTOR(dataBroker, idManagerService, vtep.getDpnId(), parentIf, vtep.getIpAddress(), hwTep.getTopo_id(), hwTep.getNode_id(), hwTep.getHwIp(), tZone.getTunnelType(), t, futures); } } } } } } } } //do we need to check tunnel type? //do i need to check node-id? //for mlag case and non-m-lag case, isnt it enough to just check ipaddress? //TOR-TOR //TOR-CSS private static void deleteTrunksCSSTOR(DataBroker dataBroker, IdManagerService idManagerService, BigInteger dpnid, String interfaceName, IpAddress cssIpAddress, String topologyId, String nodeId, IpAddress hWIpAddress, Class tunType, WriteTransaction t, List> futures) { //CSS-TOR if (trunkExists(dpnid.toString(), nodeId, tunType, dataBroker)) { logger.trace("deleting tunnel from {} to {} ", dpnid.toString(), nodeId); String parentIf = interfaceName; String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf,cssIpAddress.getIpv4Address().getValue(), hWIpAddress.getIpv4Address().getValue(), tunType.getName()); InstanceIdentifier trunkIdentifier = ItmUtils.buildId(fwdTrunkIf); t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier); InstanceIdentifier path = InstanceIdentifier.create( ExternalTunnelList.class) .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId, dpnid.toString(), tunType)); t.delete(LogicalDatastoreType.CONFIGURATION, path); } else { logger.trace(" trunk from {} to {} already deleted",dpnid.toString(), nodeId); } //TOR-CSS if (trunkExists( nodeId, dpnid.toString(), tunType, dataBroker)) { logger.trace("deleting tunnel from {} to {} ",nodeId, dpnid.toString()); String parentIf = ItmUtils.getHwParentIf(topologyId,nodeId); String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress.getIpv4Address().getValue(), cssIpAddress.getIpv4Address().getValue(), tunType.getName()); InstanceIdentifier trunkIdentifier = ItmUtils.buildId(revTrunkIf); t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier); InstanceIdentifier path = InstanceIdentifier.create( ExternalTunnelList.class) .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dpnid.toString(),nodeId, tunType)); t.delete(LogicalDatastoreType.CONFIGURATION, path); } else { logger.trace(" trunk from {} to {} already deleted", nodeId, dpnid.toString()); } } private static void deleteTrunksTORTOR(DataBroker dataBroker, IdManagerService idManagerService, String topologyId1, String nodeId1, IpAddress hWIpAddress1, String topologyId2, String nodeId2, IpAddress hWIpAddress2, Class tunType, WriteTransaction t, List> futures) { //TOR1-TOR2 if (trunkExists(nodeId1, nodeId2, tunType, dataBroker)) { logger.trace("deleting tunnel from {} to {} ", nodeId1, nodeId2); String parentIf = ItmUtils.getHwParentIf(topologyId1,nodeId1); String fwdTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService, parentIf, hWIpAddress1.getIpv4Address().getValue(), hWIpAddress2.getIpv4Address().getValue(), tunType.getName()); InstanceIdentifier trunkIdentifier = ItmUtils.buildId(fwdTrunkIf); t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier); InstanceIdentifier path = InstanceIdentifier.create( ExternalTunnelList.class) .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId2, nodeId1, tunType)); t.delete(LogicalDatastoreType.CONFIGURATION, path); } else { logger.trace(" trunk from {} to {} already deleted",nodeId1, nodeId2); } //TOR2-TOR1 if (trunkExists( nodeId2, nodeId1, tunType, dataBroker)) { logger.trace("deleting tunnel from {} to {} ",nodeId2, nodeId1); String parentIf = ItmUtils.getHwParentIf(topologyId2,nodeId2); String revTrunkIf = ItmUtils.getTrunkInterfaceName(idManagerService,parentIf, hWIpAddress2.getIpv4Address().getValue(), hWIpAddress1.getIpv4Address().getValue(), tunType.getName()); InstanceIdentifier trunkIdentifier = ItmUtils.buildId(revTrunkIf); t.delete(LogicalDatastoreType.CONFIGURATION, trunkIdentifier); InstanceIdentifier path = InstanceIdentifier.create( ExternalTunnelList.class) .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(nodeId1,nodeId2, tunType)); t.delete(LogicalDatastoreType.CONFIGURATION, path); } else { logger.trace(" trunk from {} to {} already deleted",nodeId2, nodeId1); } } private static boolean trunkExists( String srcDpnOrNode, String dstDpnOrNode, Class tunType,DataBroker dataBroker) { boolean existsFlag = false ; InstanceIdentifier path = InstanceIdentifier.create( ExternalTunnelList.class) .child(ExternalTunnel.class, ItmUtils.getExternalTunnelKey(dstDpnOrNode, srcDpnOrNode, tunType)); Optional exTunnels = ItmUtils.read(LogicalDatastoreType.CONFIGURATION,path, dataBroker) ; if( exTunnels.isPresent()) { existsFlag = true ; } return existsFlag ; } }