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 static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  12
  13 import com.google.common.util.concurrent.ListenableFuture;
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.List;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19 import org.apache.aries.blueprint.annotation.service.Reference;
  20 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  21 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  22 import org.opendaylight.genius.interfacemanager.IfmUtil;
  23 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  24 import org.opendaylight.genius.interfacemanager.commons.InterfaceMetaUtils;
  25 import org.opendaylight.genius.interfacemanager.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  26 import org.opendaylight.mdsal.binding.api.DataBroker;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntry;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info.InterfaceParentEntryKey;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406._interface.child.info._interface.parent.entry.InterfaceChildEntryKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.rev160406.ParentRefs;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.opendaylight.yangtools.yang.common.Uint64;
  35 import org.slf4j.Logger;
  36 import org.slf4j.LoggerFactory;
  37
  38 @Singleton
  39 public class OvsVlanMemberConfigRemoveHelper {
  40     private static final Logger LOG = LoggerFactory.getLogger(OvsVlanMemberConfigRemoveHelper.class);
  41
  42     private final ManagedNewTransactionRunner txRunner;
  43     private final InterfaceManagerCommonUtils interfaceManagerCommonUtils;
  44     private final InterfaceMetaUtils interfaceMetaUtils;
  45
  46     @Inject
  47     public OvsVlanMemberConfigRemoveHelper(@Reference DataBroker dataBroker,
  48             InterfaceManagerCommonUtils interfaceManagerCommonUtils, InterfaceMetaUtils interfaceMetaUtils) {
  49         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  50         this.interfaceManagerCommonUtils = interfaceManagerCommonUtils;
  51         this.interfaceMetaUtils = interfaceMetaUtils;
  52     }
  53
  54     public List<ListenableFuture<Void>> removeConfiguration(ParentRefs parentRefs, Interface interfaceOld) {
  55         LOG.debug("remove vlan member configuration {}", interfaceOld.getName());
  56
  57         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(parentRefs.getParentInterface());
  58         InstanceIdentifier<InterfaceParentEntry> interfaceParentEntryIid = InterfaceMetaUtils
  59                 .getInterfaceParentEntryIdentifier(interfaceParentEntryKey);
  60         InterfaceParentEntry interfaceParentEntry = interfaceMetaUtils
  61                 .getInterfaceParentEntryFromConfigDS(interfaceParentEntryIid);
  62
  63         if (interfaceParentEntry == null) {
  64             return Collections.emptyList();
  65         }
  66
  67         return txRunner.applyWithNewTransactionChainAndClose(txChain -> {
  68             List<ListenableFuture<Void>> futures = new ArrayList<>();
  69
  70             // Configuration changes
  71             futures.add(txChain.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, tx -> {
  72                 // Delete the interface child information
  73                 List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.nonnullInterfaceChildEntry();
  74                 InterfaceChildEntryKey interfaceChildEntryKey = new InterfaceChildEntryKey(interfaceOld.getName());
  75                 InstanceIdentifier<InterfaceChildEntry> interfaceChildEntryIid = InterfaceMetaUtils
  76                     .getInterfaceChildEntryIdentifier(interfaceParentEntryKey, interfaceChildEntryKey);
  77                 tx.delete(interfaceChildEntryIid);
  78                 // If this is the last child, remove the interface parent info as well.
  79                 if (interfaceChildEntries.size() <= 1) {
  80                     tx.delete(interfaceParentEntryIid);
  81                 }
  82             }));
  83
  84             // Operational changes
  85             futures.add(txChain.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, tx -> {
  86                 org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang
  87                     .ietf.interfaces.rev140508.interfaces.state.Interface ifState = interfaceManagerCommonUtils
  88                     .getInterfaceState(tx, parentRefs.getParentInterface());
  89                 if (ifState != null) {
  90                     LOG.debug("delete vlan member interface state {}", interfaceOld.getName());
  91                     Uint64 dpId = IfmUtil.getDpnFromInterface(ifState);
  92                     interfaceManagerCommonUtils.deleteInterfaceStateInformation(interfaceOld.getName(), tx);
  93                     // TODO skitt The following is another configuration transaction, we'll deal with it later
  94                     FlowBasedServicesUtils.removeIngressFlow(interfaceOld.getName(), dpId, txRunner, futures);
  95                 }
  96             }));
  97
  98             return futures;
  99         });
 100     }
 101 }