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.idmanager.rev150403.IdManagerService;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntryKey;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntry;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntryKey;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntry;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
  39 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  40 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  41 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  42 import org.slf4j.Logger;
  43 import org.slf4j.LoggerFactory;
  44
  45 import java.math.BigInteger;
  46 import java.util.ArrayList;
  47 import java.util.List;
  48
  49 public class OvsInterfaceConfigRemoveHelper {
  50     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceConfigRemoveHelper.class);
  51
  52     public static List<ListenableFuture<Void>> removeConfiguration(DataBroker dataBroker, Interface interfaceOld,
  53                                                                    IdManagerService idManager, ParentRefs parentRefs) {
  54         List<ListenableFuture<Void>> futures = new ArrayList<>();
  55         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  56
  57         IfTunnel ifTunnel = interfaceOld.getAugmentation(IfTunnel.class);
  58         if (ifTunnel != null) {
  59             removeTunnelConfiguration(parentRefs, dataBroker, interfaceOld, idManager, t);
  60         }else {
  61             removeVlanConfiguration(dataBroker, interfaceOld, t);
  62         }
  63         futures.add(t.submit());
  64         return futures;
  65     }
  66
  67     private static void removeVlanConfiguration(DataBroker dataBroker, Interface interfaceOld, WriteTransaction t) {
  68         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
  69                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceOld.getName(), dataBroker);
  70         if (ifState == null) {
  71             return;
  72         }
  73
  74         String ncStr = ifState.getLowerLayerIf().get(0);
  75         NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
  76         NodeConnector nodeConnector =
  77                 InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
  78         if(nodeConnector != null) {
  79             FlowCapableNodeConnector flowCapableNodeConnector =
  80                     nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
  81             //State state = flowCapableNodeConnector.getState();
  82             OperStatus operStatus = flowCapableNodeConnector == null ? OperStatus.Down : OperStatus.Up;
  83
  84             if (ifState.getOperStatus() != operStatus) {
  85                 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
  86                         IfmUtil.buildStateInterfaceId(interfaceOld.getName());
  87                 InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
  88                 ifaceBuilder.setOperStatus(operStatus);
  89                 ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceOld.getName()));
  90                 t.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
  91             }
  92         }
  93         IfL2vlan ifL2vlan = interfaceOld.getAugmentation(IfL2vlan.class);
  94         if (ifL2vlan == null || ifL2vlan.getL2vlanMode() != IfL2vlan.L2vlanMode.Trunk) {
  95             return;
  96         }
  97
  98         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
  99         InterfaceKey interfaceKey = new InterfaceKey(interfaceOld.getName());
 100         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
 101                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 102         if (iface == null) {
 103             return;
 104         }
 105
 106         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
 107         InterfaceParentEntry interfaceParentEntry =
 108                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
 109         if (interfaceParentEntry == null) {
 110             return;
 111         }
 112
 113         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 114         if (interfaceChildEntries == null) {
 115             return;
 116         }
 117
 118         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
 119         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
 120             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 121                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 122             t.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 123         }
 124     }
 125
 126     private static void removeTunnelConfiguration(ParentRefs parentRefs, DataBroker dataBroker, Interface interfaceOld,
 127                                                   IdManagerService idManager, WriteTransaction t) {
 128
 129         BigInteger dpId = null;
 130         if (parentRefs != null) {
 131             dpId = parentRefs.getDatapathNodeIdentifier();
 132         }
 133
 134         if (dpId == null) {
 135             return;
 136         }
 137
 138         BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 139         InstanceIdentifier<BridgeRefEntry> bridgeRefEntryIid =
 140                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(bridgeRefEntryKey);
 141         BridgeRefEntry bridgeRefEntry =
 142                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(bridgeRefEntryIid, dataBroker);
 143
 144         if (bridgeRefEntry != null) {
 145             InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 146             InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 147                     InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 148             t.delete(LogicalDatastoreType.CONFIGURATION, tpIid);
 149         }
 150
 151         BridgeEntryKey bridgeEntryKey = new BridgeEntryKey(dpId);
 152         InstanceIdentifier<BridgeEntry> bridgeEntryIid = InterfaceMetaUtils.getBridgeEntryIdentifier(bridgeEntryKey);
 153         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(bridgeEntryIid, dataBroker);
 154         if (bridgeEntry == null) {
 155             return;
 156         }
 157
 158         List<BridgeInterfaceEntry> bridgeInterfaceEntries = bridgeEntry.getBridgeInterfaceEntry();
 159         if (bridgeInterfaceEntries == null) {
 160             return;
 161         }
 162
 163         if (bridgeInterfaceEntries.size() <= 1) {
 164             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeEntryIid);
 165         } else {
 166             BridgeInterfaceEntryKey bridgeInterfaceEntryKey =
 167                     new BridgeInterfaceEntryKey(interfaceOld.getName());
 168             InstanceIdentifier<BridgeInterfaceEntry> bridgeInterfaceEntryIid =
 169                     InterfaceMetaUtils.getBridgeInterfaceEntryIdentifier(bridgeEntryKey,
 170                             bridgeInterfaceEntryKey);
 171             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeInterfaceEntryIid);
 172         }
 173     }
 174 }