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
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  14 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  15 import org.opendaylight.idmanager.IdManager;
  16 import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
  17 import org.opendaylight.vpnservice.interfacemgr.commons.AlivenessMonitorUtils;
  18 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceManagerCommonUtils;
  19 import org.opendaylight.vpnservice.interfacemgr.commons.InterfaceMetaUtils;
  20 import org.opendaylight.vpnservice.interfacemgr.renderer.ovs.utilities.SouthboundUtils;
  21 import org.opendaylight.vpnservice.interfacemgr.servicebindings.flowbased.utilities.FlowBasedServicesUtils;
  22 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  23 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus;
  27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.FlowCapableNodeConnector;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeConnectorId;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.node.NodeConnector;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.AlivenessMonitorService;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.MonitorStopInput;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.alivenessmonitor.rev150629.MonitorStopInputBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntry;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info.InterfaceParentEntryKey;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._interface.child.info._interface.parent.entry.InterfaceChildEntry;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntry;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.BridgeEntryKey;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntry;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge._interface.info.bridge.entry.BridgeInterfaceEntryKey;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntry;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.bridge.ref.info.BridgeRefEntryKey;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfL2vlan;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.ParentRefs;
  47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  49 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  50 import org.slf4j.Logger;
  51 import org.slf4j.LoggerFactory;
  52
  53 import java.math.BigInteger;
  54 import java.util.ArrayList;
  55 import java.util.List;
  56
  57 public class OvsInterfaceConfigRemoveHelper {
  58     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceConfigRemoveHelper.class);
  59
  60     public static List<ListenableFuture<Void>> removeConfiguration(DataBroker dataBroker, AlivenessMonitorService alivenessMonitorService,
  61                                                                    Interface interfaceOld,
  62                                                                    IdManagerService idManager,
  63                                                                    IMdsalApiManager mdsalApiManager,
  64                                                                    ParentRefs parentRefs) {
  65         List<ListenableFuture<Void>> futures = new ArrayList<>();
  66         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
  67
  68         IfTunnel ifTunnel = interfaceOld.getAugmentation(IfTunnel.class);
  69         if (ifTunnel != null) {
  70             removeTunnelConfiguration(alivenessMonitorService, parentRefs, dataBroker, interfaceOld,
  71                     idManager, mdsalApiManager, futures);
  72         }else {
  73             removeVlanConfiguration(dataBroker, interfaceOld, t);
  74             futures.add(t.submit());
  75         }
  76         return futures;
  77     }
  78
  79     private static void removeVlanConfiguration(DataBroker dataBroker, Interface interfaceOld, WriteTransaction t) {
  80         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface ifState =
  81                 InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(interfaceOld.getName(), dataBroker);
  82         if (ifState == null) {
  83             return;
  84         }
  85
  86         String ncStr = ifState.getLowerLayerIf().get(0);
  87         NodeConnectorId nodeConnectorId = new NodeConnectorId(ncStr);
  88         NodeConnector nodeConnector =
  89                 InterfaceManagerCommonUtils.getNodeConnectorFromInventoryOperDS(nodeConnectorId, dataBroker);
  90         if(nodeConnector != null) {
  91             FlowCapableNodeConnector flowCapableNodeConnector =
  92                     nodeConnector.getAugmentation(FlowCapableNodeConnector.class);
  93             //State state = flowCapableNodeConnector.getState();
  94             OperStatus operStatus = flowCapableNodeConnector == null ? OperStatus.Down : OperStatus.Up;
  95
  96             if (ifState.getOperStatus() != operStatus) {
  97                 InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId =
  98                         IfmUtil.buildStateInterfaceId(interfaceOld.getName());
  99                 InterfaceBuilder ifaceBuilder = new InterfaceBuilder();
 100                 ifaceBuilder.setOperStatus(operStatus);
 101                 ifaceBuilder.setKey(IfmUtil.getStateInterfaceKeyFromName(interfaceOld.getName()));
 102                 t.merge(LogicalDatastoreType.OPERATIONAL, ifStateId, ifaceBuilder.build());
 103             }
 104         }
 105         IfL2vlan ifL2vlan = interfaceOld.getAugmentation(IfL2vlan.class);
 106         if (ifL2vlan == null) {
 107             return;
 108         }
 109         BigInteger dpId = new BigInteger(IfmUtil.getDpnFromNodeConnectorId(nodeConnectorId));
 110         FlowBasedServicesUtils.removeIngressFlow(interfaceOld, dpId, t);
 111         if (ifL2vlan.getL2vlanMode() != IfL2vlan.L2vlanMode.Trunk) {
 112             return;
 113         }
 114
 115         // For Vlan-Trunk Interface, remove the trunk-member operstates as well...
 116         InterfaceKey interfaceKey = new InterfaceKey(interfaceOld.getName());
 117         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface iface =
 118                 InterfaceManagerCommonUtils.getInterfaceFromConfigDS(interfaceKey, dataBroker);
 119         if (iface == null) {
 120             return;
 121         }
 122
 123         InterfaceParentEntryKey interfaceParentEntryKey = new InterfaceParentEntryKey(iface.getName());
 124         InterfaceParentEntry interfaceParentEntry =
 125                 InterfaceMetaUtils.getInterfaceParentEntryFromConfigDS(interfaceParentEntryKey, dataBroker);
 126         if (interfaceParentEntry == null) {
 127             return;
 128         }
 129
 130         List<InterfaceChildEntry> interfaceChildEntries = interfaceParentEntry.getInterfaceChildEntry();
 131         if (interfaceChildEntries == null) {
 132             return;
 133         }
 134
 135         //FIXME: If the no. of child entries exceeds 100, perform txn updates in batches of 100.
 136         for (InterfaceChildEntry interfaceChildEntry : interfaceChildEntries) {
 137             InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifChildStateId =
 138                     IfmUtil.buildStateInterfaceId(interfaceChildEntry.getChildInterface());
 139             t.delete(LogicalDatastoreType.OPERATIONAL, ifChildStateId);
 140             InterfaceKey childIfKey = new InterfaceKey(interfaceChildEntry.getChildInterface());
 141             FlowBasedServicesUtils.removeIngressFlow(InterfaceManagerCommonUtils.getInterfaceFromConfigDS(childIfKey, dataBroker), dpId, t);
 142         }
 143     }
 144
 145     private static void removeTunnelConfiguration(AlivenessMonitorService alivenessMonitorService, ParentRefs parentRefs,
 146                                                   DataBroker dataBroker, Interface interfaceOld,
 147                                                   IdManagerService idManager, IMdsalApiManager mdsalApiManager,
 148                                                   List<ListenableFuture<Void>> futures) {
 149
 150         WriteTransaction t = dataBroker.newWriteOnlyTransaction();
 151         BigInteger dpId = null;
 152         if (parentRefs != null) {
 153             dpId = parentRefs.getDatapathNodeIdentifier();
 154         }
 155
 156         if (dpId == null) {
 157             return;
 158         }
 159
 160         BridgeRefEntryKey bridgeRefEntryKey = new BridgeRefEntryKey(dpId);
 161         InstanceIdentifier<BridgeRefEntry> bridgeRefEntryIid =
 162                 InterfaceMetaUtils.getBridgeRefEntryIdentifier(bridgeRefEntryKey);
 163         BridgeRefEntry bridgeRefEntry =
 164                 InterfaceMetaUtils.getBridgeRefEntryFromOperDS(bridgeRefEntryIid, dataBroker);
 165
 166         if (bridgeRefEntry != null) {
 167             InstanceIdentifier<?> bridgeIid = bridgeRefEntry.getBridgeReference().getValue();
 168             InstanceIdentifier<TerminationPoint> tpIid = SouthboundUtils.createTerminationPointInstanceIdentifier(
 169                     InstanceIdentifier.keyOf(bridgeIid.firstIdentifierOf(Node.class)), interfaceOld.getName());
 170             t.delete(LogicalDatastoreType.CONFIGURATION, tpIid);
 171
 172             // delete tunnel ingress flow
 173             NodeConnectorId ncId = IfmUtil.getNodeConnectorIdFromInterface(interfaceOld, dataBroker);
 174             long portNo = Long.valueOf(IfmUtil.getPortNoFromNodeConnectorId(ncId));
 175             InterfaceManagerCommonUtils.makeTunnelIngressFlow(futures, mdsalApiManager,
 176                     interfaceOld.getAugmentation(IfTunnel.class),
 177                     dpId, portNo, interfaceOld, -1,
 178                     NwConstants.DEL_FLOW);
 179         }
 180
 181         BridgeEntryKey bridgeEntryKey = new BridgeEntryKey(dpId);
 182         InstanceIdentifier<BridgeEntry> bridgeEntryIid = InterfaceMetaUtils.getBridgeEntryIdentifier(bridgeEntryKey);
 183         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(bridgeEntryIid, dataBroker);
 184         if (bridgeEntry == null) {
 185             return;
 186         }
 187
 188         List<BridgeInterfaceEntry> bridgeInterfaceEntries = bridgeEntry.getBridgeInterfaceEntry();
 189         if (bridgeInterfaceEntries == null) {
 190             return;
 191         }
 192
 193         if (bridgeInterfaceEntries.size() <= 1) {
 194             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeEntryIid);
 195         } else {
 196             BridgeInterfaceEntryKey bridgeInterfaceEntryKey =
 197                     new BridgeInterfaceEntryKey(interfaceOld.getName());
 198             InstanceIdentifier<BridgeInterfaceEntry> bridgeInterfaceEntryIid =
 199                     InterfaceMetaUtils.getBridgeInterfaceEntryIdentifier(bridgeEntryKey,
 200                             bridgeInterfaceEntryKey);
 201             t.delete(LogicalDatastoreType.CONFIGURATION, bridgeInterfaceEntryIid);
 202         }
 203         futures.add(t.submit());
 204         // stop LLDP monitoring for the tunnel interface
 205         AlivenessMonitorUtils.stopLLDPMonitoring(alivenessMonitorService, dataBroker, interfaceOld);
 206     }
 207 }