interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/hwvtep/confighelpers/HwVTEPConfigRemoveHelper.java

   1 /*
   2  * Copyright (c) 2015 - 2016 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.vpnservice.interfacemgr.renderer.hwvtep.confighelpers;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  12 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  15 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  16 import org.opendaylight.vpnservice.interfacemgr.renderer.hwvtep.utilities.SouthboundUtils;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical._switch.attributes.Tunnels;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.AlivenessMonitorService;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  21 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  22 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  23 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPointKey;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import java.util.ArrayList;
  29 import java.util.List;
  30
  31 public class HwVTEPConfigRemoveHelper {
  32     private static final Logger LOG = LoggerFactory.getLogger(HwVTEPConfigRemoveHelper.class);
  33
  34     public static List<ListenableFuture<Void>> removeConfiguration(DataBroker dataBroker, Interface interfaceOld,
  35                                                                    InstanceIdentifier<Node> globalNodeId,
  36                                                                    InstanceIdentifier<Node> physicalSwitchNodeId) {
  37         List<ListenableFuture<Void>> futures = new ArrayList<ListenableFuture<Void>>();
  38         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  39         LOG.info("removing hwvtep configuration for {}", interfaceOld.getName());
  40         if(globalNodeId != null) {
  41             IfTunnel ifTunnel = interfaceOld.getAugmentation(IfTunnel.class);
  42             //removeTunnelTableEntry(transaction, ifTunnel, physicalSwitchNodeId);
  43             removeTerminationEndPoint(transaction, ifTunnel, globalNodeId);
  44             InterfaceManagerCommonUtils.deleteStateEntry(interfaceOld.getName(), transaction);
  45             InterfaceMetaUtils.removeTunnelToInterfaceMap(physicalSwitchNodeId, transaction, ifTunnel);
  46         }
  47         futures.add(transaction.submit());
  48         return futures;
  49     }
  50
  51     private static void removeTerminationEndPoint(WriteTransaction transaction, IfTunnel ifTunnel,
  52                                                InstanceIdentifier<Node> globalNodeId) {
  53         LOG.info("removing remote termination end point {}", ifTunnel.getTunnelDestination());
  54         TerminationPointKey tpKey = SouthboundUtils.getTerminationPointKey(ifTunnel.getTunnelDestination().
  55                 getIpv4Address().getValue());
  56         InstanceIdentifier<TerminationPoint> tpPath = SouthboundUtils.createInstanceIdentifier
  57                 (globalNodeId, tpKey);
  58         transaction.delete(LogicalDatastoreType.CONFIGURATION,  tpPath);
  59     }
  60
  61     private static void removeTunnelTableEntry(WriteTransaction transaction, IfTunnel ifTunnel,
  62                                                InstanceIdentifier<Node> physicalSwitchNodeId) {
  63         LOG.info("removing tunnel table entry for {}", ifTunnel.getTunnelDestination());
  64         InstanceIdentifier<Tunnels> tunnelsInstanceIdentifier = SouthboundUtils.createTunnelsInstanceIdentifier(physicalSwitchNodeId,
  65                 ifTunnel.getTunnelSource(), ifTunnel.getTunnelDestination());
  66         transaction.delete(LogicalDatastoreType.CONFIGURATION, tunnelsInstanceIdentifier);
  67     }
  68 }