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