interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/ovs/statehelpers/OvsInterfaceTopologyStateRemoveHelper.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.ovs.statehelpers;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.ListenableFuture;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  16 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.utilities.SouthboundUtils;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntry;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryKey;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import java.math.BigInteger;
  26 import java.util.ArrayList;
  27 import java.util.List;
  28
  29 public class OvsInterfaceTopologyStateRemoveHelper {
  30     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceTopologyStateRemoveHelper.class);
  31
  32     public static List<ListenableFuture<Void>> removePortFromBridge(InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid,
  33                                                                OvsdbBridgeAugmentation bridgeOld, DataBroker dataBroker) {
  34         List<ListenableFuture<Void>> futures = new ArrayList<>();
  35         WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();;
  36         BigInteger dpnId = IfmUtil.getDpnId(bridgeOld.getDatapathId());
  37
  38         if (dpnId == null) {
  39             LOG.warn("Got Null DPID for Bridge: {}", bridgeOld);
  40             return futures;
  41         }
  42
  43         //delete bridge reference entry in interface meta operational DS
  44         InterfaceMetaUtils.deleteBridgeRefEntry(dpnId, transaction);
  45
  46         // Workaround for ovsdb bug for delete TEP..
  47         Optional<OvsdbBridgeAugmentation> bridgeNodeOptional =
  48                 IfmUtil.read(LogicalDatastoreType.OPERATIONAL, bridgeIid, dataBroker);
  49         if (!bridgeNodeOptional.isPresent()) {
  50             SouthboundUtils.deleteBridge(bridgeIid, dataBroker, futures);
  51         }
  52
  53         futures.add(transaction.submit());
  54         return futures;
  55     }
  56 }