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