interfacemgr/interfacemgr-impl/src/main/java/org/opendaylight/vpnservice/interfacemgr/renderer/ovs/confighelpers/OvsInterfaceConfigRemoveHelper.java

   1 /*
   2  * Copyright (c) 2015 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.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.idmanager.IdManager;
  15 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  16 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  18 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.utilities.SouthboundUtils;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntry;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntryKey;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntry;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntryKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntry;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryKey;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
  38 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  40 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  41 import org.slf4j.Logger;
  42 import org.slf4j.LoggerFactory;
  43
  44 import java.math.BigInteger;
  45 import java.util.ArrayList;
  46 import java.util.List;
  47
  48 public class OvsInterfaceConfigRemoveHelper {
  49     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceConfigRemoveHelper.class);
  50
  51     public static List<ListenableFuture<Void>> removeConfiguration(DataBroker dataBroker, Interface interfaceOld,
  52                                                                    IdManager idManager, ParentRefs parentRefs) {
  53         List<ListenableFuture<Void>> futures = new ArrayList<>();
  54         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  55
  56         IfTunnel ifTunnel = interfaceOld.getAugmentation(IfTunnel.class);
  57         if (ifTunnel != null) {
  58             removeTunnelConfiguration(parentRefs, dataBroker, interfaceOld, idManager, t);
  59             futures.add(t.submit());
  60             return futures;
  61         }
  62
  63         removeVlanConfiguration(dataBroker, interfaceOld, t);
  64
  65         /* FIXME: Deallocate ID from Idmanager. */
  66
  67         futures.add(t.submit());
  68         return futures;
  69     }
  70
  71     private static void removeVlanConfiguration(DataBroker dataBroker, Interface interfaceOld, WriteTransaction t) {
  72         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
  73                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceOld.getName(), dataBroker);
  74         if (ifState == null) {
  75             return;
  76         }
  77
  78         String ncStr = ifState.getLowerLayerIf().get(0);
  79         NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
  80         NodeConnector nodeConnector =
  81                 InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
  82         FlowCapableNodeConnector flowCapableNodeConnector =
  83                 nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
  84         //State state = flowCapableNodeConnector.getState();
  85         OperStatus operStatus = flowCapableNodeConnector == null ? OperStatus.Down : OperStatus.Up;
  86
  87         if (ifState.getOperStatus() != operStatus) {
  88             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
  89                     IfmUtil.buildStateInterfaceId(interfaceOld.getName());
  90             InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
  91             ifaceBuilder.setOperStatus(operStatus);
  92             ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceOld.getName()));
  93             t.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
  94         }
  95
  96         IfL2vlan ifL2vlan = interfaceOld.getAugmentation(IfL2vlan.class);
  97         if (ifL2vlan == null || ifL2vlan.getL2vlanMode() != IfL2vlan.L2vlanMode.Trunk) {
  98             return;
  99         }
 100
 101         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
 102         InterfaceKey interfaceKey = new InterfaceKey(interfaceOld.getName());
 103         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
 104                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 105         if (iface == null) {
 106             return;
 107         }
 108
 109         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
 110         InterfaceParentEntry interfaceParentEntry =
 111                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
 112         if (interfaceParentEntry == null) {
 113             return;
 114         }
 115
 116         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 117         if (interfaceChildEntries == null) {
 118             return;
 119         }
 120
 121         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
 122         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
 123             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 124                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 125             t.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 126         }
 127     }
 128
 129     private static void removeTunnelConfiguration(ParentRefs parentRefs, DataBroker dataBroker, Interface interfaceOld,
 130                                                   IdManager idManager, WriteTransaction t) {
 131
 132         BigInteger dpId = null;
 133         if (parentRefs != null) {
 134             dpId = parentRefs.getDatapathNodeIdentifier();
 135         }
 136
 137         if (dpId == null) {
 138             return;
 139         }
 140
 141         BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 142         InstanceIdentifier<BridgeRefEntry> bridgeRefEntryIid =
 143                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(bridgeRefEntryKey);
 144         BridgeRefEntry bridgeRefEntry =
 145                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(bridgeRefEntryIid, dataBroker);
 146
 147         if (bridgeRefEntry != null) {
 148             InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 149             InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 150                     InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 151             t.delete(LogicalDatastoreType.CONFIGURATION, tpIid);
 152         }
 153
 154         BridgeEntryKey bridgeEntryKey = new BridgeEntryKey(dpId);
 155         InstanceIdentifier<BridgeEntry> bridgeEntryIid = InterfaceMetaUtils.getBridgeEntryIdentifier(bridgeEntryKey);
 156         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(bridgeEntryIid, dataBroker);
 157         if (bridgeEntry == null) {
 158             return;
 159         }
 160
 161         List<BridgeInterfaceEntry> bridgeInterfaceEntries = bridgeEntry.getBridgeInterfaceEntry();
 162         if (bridgeInterfaceEntries == null) {
 163             return;
 164         }
 165
 166         if (bridgeInterfaceEntries.size() <= 1) {
 167             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeEntryIid);
 168         } else {
 169             BridgeInterfaceEntryKey bridgeInterfaceEntryKey =
 170                     new BridgeInterfaceEntryKey(interfaceOld.getName());
 171             InstanceIdentifier<BridgeInterfaceEntry> bridgeInterfaceEntryIid =
 172                     InterfaceMetaUtils.getBridgeInterfaceEntryIdentifier(bridgeEntryKey,
 173                             bridgeInterfaceEntryKey);
 174             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeInterfaceEntryIid);
 175         }
 176     }
 177 }