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.AlivenessMonitorUtils;
  17 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  18 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  19 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.utilities.SouthboundUtils;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.AlivenessMonitorService;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.MonitorStopInput;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.MonitorStopInputBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntry;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntryKey;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntry;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntryKey;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntry;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
  43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 import java.math.BigInteger;
  50 import java.util.ArrayList;
  51 import java.util.List;
  52
  53 public class OvsInterfaceConfigRemoveHelper {
  54     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceConfigRemoveHelper.class);
  55
  56     public static List<ListenableFuture<Void>> removeConfiguration(DataBroker dataBroker, AlivenessMonitorService alivenessMonitorService,
  57                                                                    Interface interfaceOld,
  58                                                                    IdManagerService idManager, ParentRefs parentRefs) {
  59         List<ListenableFuture<Void>> futures = new ArrayList<>();
  60         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  61
  62         IfTunnel ifTunnel = interfaceOld.getAugmentation(IfTunnel.class);
  63         if (ifTunnel != null) {
  64             removeTunnelConfiguration(alivenessMonitorService, parentRefs, dataBroker, interfaceOld, idManager, t);
  65             futures.add(t.submit());
  66             AlivenessMonitorUtils.stopLLDPMonitoring(alivenessMonitorService, dataBroker, interfaceOld);
  67         }else {
  68             removeVlanConfiguration(dataBroker, interfaceOld, t);
  69             futures.add(t.submit());
  70         }
  71         return futures;
  72     }
  73
  74     private static void removeVlanConfiguration(DataBroker dataBroker, Interface interfaceOld, WriteTransaction t) {
  75         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
  76                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceOld.getName(), dataBroker);
  77         if (ifState == null) {
  78             return;
  79         }
  80
  81         String ncStr = ifState.getLowerLayerIf().get(0);
  82         NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
  83         NodeConnector nodeConnector =
  84                 InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
  85         if(nodeConnector != null) {
  86             FlowCapableNodeConnector flowCapableNodeConnector =
  87                     nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
  88             //State state = flowCapableNodeConnector.getState();
  89             OperStatus operStatus = flowCapableNodeConnector == null ? OperStatus.Down : OperStatus.Up;
  90
  91             if (ifState.getOperStatus() != operStatus) {
  92                 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
  93                         IfmUtil.buildStateInterfaceId(interfaceOld.getName());
  94                 InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
  95                 ifaceBuilder.setOperStatus(operStatus);
  96                 ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceOld.getName()));
  97                 t.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
  98             }
  99         }
 100         IfL2vlan ifL2vlan = interfaceOld.getAugmentation(IfL2vlan.class);
 101         if (ifL2vlan == null || ifL2vlan.getL2vlanMode() != IfL2vlan.L2vlanMode.Trunk) {
 102             return;
 103         }
 104
 105         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
 106         InterfaceKey interfaceKey = new InterfaceKey(interfaceOld.getName());
 107         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
 108                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 109         if (iface == null) {
 110             return;
 111         }
 112
 113         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
 114         InterfaceParentEntry interfaceParentEntry =
 115                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
 116         if (interfaceParentEntry == null) {
 117             return;
 118         }
 119
 120         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 121         if (interfaceChildEntries == null) {
 122             return;
 123         }
 124
 125         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
 126         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
 127             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 128                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 129             t.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 130         }
 131     }
 132
 133     private static void removeTunnelConfiguration(AlivenessMonitorService alivenessMonitorService, ParentRefs parentRefs,
 134                                                   DataBroker dataBroker, Interface interfaceOld,
 135                                                   IdManagerService idManager, WriteTransaction t) {
 136
 137         BigInteger dpId = null;
 138         if (parentRefs != null) {
 139             dpId = parentRefs.getDatapathNodeIdentifier();
 140         }
 141
 142         if (dpId == null) {
 143             return;
 144         }
 145
 146         BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 147         InstanceIdentifier<BridgeRefEntry> bridgeRefEntryIid =
 148                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(bridgeRefEntryKey);
 149         BridgeRefEntry bridgeRefEntry =
 150                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(bridgeRefEntryIid, dataBroker);
 151
 152         if (bridgeRefEntry != null) {
 153             InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 154             InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 155                     InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 156             t.delete(LogicalDatastoreType.CONFIGURATION, tpIid);
 157         }
 158
 159         BridgeEntryKey bridgeEntryKey = new BridgeEntryKey(dpId);
 160         InstanceIdentifier<BridgeEntry> bridgeEntryIid = InterfaceMetaUtils.getBridgeEntryIdentifier(bridgeEntryKey);
 161         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(bridgeEntryIid, dataBroker);
 162         if (bridgeEntry == null) {
 163             return;
 164         }
 165
 166         List<BridgeInterfaceEntry> bridgeInterfaceEntries = bridgeEntry.getBridgeInterfaceEntry();
 167         if (bridgeInterfaceEntries == null) {
 168             return;
 169         }
 170
 171         if (bridgeInterfaceEntries.size() <= 1) {
 172             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeEntryIid);
 173         } else {
 174             BridgeInterfaceEntryKey bridgeInterfaceEntryKey =
 175                     new BridgeInterfaceEntryKey(interfaceOld.getName());
 176             InstanceIdentifier<BridgeInterfaceEntry> bridgeInterfaceEntryIid =
 177                     InterfaceMetaUtils.getBridgeInterfaceEntryIdentifier(bridgeEntryKey,
 178                             bridgeInterfaceEntryKey);
 179             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeInterfaceEntryIid);
 180         }
 181     }
 182 }