interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/renderer/ovs/confighelpers/OvsVlanMemberConfigRemoveHelper.java

   1 /*
   2  * Copyright (c) 2016, 2017 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.genius.interfacemanager.renderer.ovs.confighelpers;
   9
  10 import com.google.common.util.concurrent.ListenableFuture;
  11 import java.math.BigInteger;
  12 import java.util.ArrayList;
  13 import java.util.List;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  17 import org.opendaylight.genius.interfacemanager.IfmUtil;
  18 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  19 import org.opendaylight.genius.interfacemanager.commons.InterfaceMetaUtils;
  20 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  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.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntry;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntryKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntryKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefs;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 public class OvsVlanMemberConfigRemoveHelper {
  32     private static final Logger LOG = LoggerFactory.getLogger(OvsVlanMemberConfigRemoveHelper.class);
  33
  34     private final DataBroker dataBroker;
  35     private final InterfaceManagerCommonUtils interfaceManagerCommonUtils;
  36
  37     public OvsVlanMemberConfigRemoveHelper(DataBroker dataBroker,
  38             InterfaceManagerCommonUtils interfaceManagerCommonUtils) {
  39         this.dataBroker = dataBroker;
  40         this.interfaceManagerCommonUtils = interfaceManagerCommonUtils;
  41     }
  42
  43     public List<ListenableFuture<Void>> removeConfiguration(ParentRefs parentRefs, Interface interfaceOld) {
  44         LOG.debug("remove vlan member configuration {}", interfaceOld.getName());
  45         List<ListenableFuture<Void>> futures = new ArrayList<>();
  46         WriteTransaction defaultConfigShardTransaction = dataBroker.newWriteOnlyTransaction();
  47         WriteTransaction defaultOperShardTransaction = dataBroker.newWriteOnlyTransaction();
  48
  49         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentRefs.getParentInterface());
  50         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIid = InterfaceMetaUtils
  51                 .getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
  52         InterfaceParentEntry interfaceParentEntry = InterfaceMetaUtils
  53                 .getInterfaceParentEntryFromConfigDS(interfaceParentEntryIid, dataBroker);
  54
  55         if (interfaceParentEntry == null) {
  56             return futures;
  57         }
  58
  59         // Delete the interface child information
  60         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
  61         InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(interfaceOld.getName());
  62         InstanceIdentifier<InterfaceChildEntry> interfaceChildEntryIid = InterfaceMetaUtils
  63                 .getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
  64         defaultConfigShardTransaction.delete(LogicalDatastoreType.CONFIGURATION, interfaceChildEntryIid);
  65         // If this is the last child, remove the interface parent info as well.
  66         if (interfaceChildEntries.size() <= 1) {
  67             defaultConfigShardTransaction.delete(LogicalDatastoreType.CONFIGURATION, interfaceParentEntryIid);
  68         }
  69
  70         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
  71             .ietf.interfaces.rev140508.interfaces.state.Interface ifState = interfaceManagerCommonUtils
  72                 .getInterfaceState(parentRefs.getParentInterface());
  73         if (ifState != null) {
  74             LOG.debug("delete vlan member interface state {}", interfaceOld.getName());
  75             BigInteger dpId = IfmUtil.getDpnFromInterface(ifState);
  76             interfaceManagerCommonUtils.deleteInterfaceStateInformation(interfaceOld.getName(),
  77                 defaultOperShardTransaction);
  78             FlowBasedServicesUtils.removeIngressFlow(interfaceOld.getName(), dpId, dataBroker, futures);
  79         }
  80
  81         futures.add(defaultConfigShardTransaction.submit());
  82         futures.add(defaultOperShardTransaction.submit());
  83         return futures;
  84     }
  85 }