interfacemanager/interfacemanager-impl/src/main/java/org/opendaylight/genius/interfacemanager/renderer/ovs/statehelpers/OvsInterfaceTopologyStateUpdateHelper.java

   1 /*
   2  * Copyright (c) 2016 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.genius.interfacemanager.renderer.ovs.statehelpers;
   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.genius.datastoreutils.DataStoreJobCoordinator;
  14 import org.opendaylight.genius.interfacemanager.IfmUtil;
  15 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  16 import org.opendaylight.genius.interfacemanager.commons.InterfaceMetaUtils;
  17 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.IfmClusterUtils;
  18 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.SouthboundUtils;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatus;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge._interface.info.BridgeEntry;
  24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27
  28 import java.math.BigInteger;
  29 import java.util.ArrayList;
  30 import java.util.List;
  31
  32 public class OvsInterfaceTopologyStateUpdateHelper {
  33     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceTopologyStateUpdateHelper.class);
  34
  35     /*
  36      *  This code is used to handle only a dpnId change scenario for a particular change,
  37      * which is not expected to happen in usual cases.
  38      */
  39     public static List<ListenableFuture<Void>> updateBridgeRefEntry(InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid,
  40                                                                     OvsdbBridgeAugmentation bridgeNew,
  41                                                                     OvsdbBridgeAugmentation bridgeOld,
  42                                                                     DataBroker dataBroker) {
  43         List<ListenableFuture<Void>> futures = new ArrayList<>();
  44         WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
  45
  46         BigInteger dpnIdNew = IfmUtil.getDpnId(bridgeNew.getDatapathId());
  47         BigInteger dpnIdOld = IfmUtil.getDpnId(bridgeOld.getDatapathId());
  48
  49         //delete bridge reference entry for the old dpn in interface meta operational DS
  50         InterfaceMetaUtils.deleteBridgeRefEntry(dpnIdOld, writeTransaction);
  51
  52         // create bridge reference entry in interface meta operational DS
  53         InterfaceMetaUtils.createBridgeRefEntry(dpnIdNew, bridgeIid, writeTransaction);
  54
  55         // handle pre-provisioning of tunnels for the newly connected dpn
  56         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(dpnIdNew, dataBroker);
  57         if (bridgeEntry == null) {
  58             futures.add(writeTransaction.submit());
  59             return futures;
  60         }
  61         SouthboundUtils.addAllPortsToBridge(bridgeEntry, dataBroker, bridgeIid, bridgeNew, futures);
  62
  63         futures.add(writeTransaction.submit());
  64         return futures;
  65     }
  66
  67     public static List<ListenableFuture<Void>> updateTunnelState(final DataBroker dataBroker,
  68                                                                  final OvsdbTerminationPointAugmentation terminationPointNew) {
  69         final Interface interfaceState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(terminationPointNew.getName(), dataBroker);
  70         final Interface.OperStatus interfaceOperStatus = getTunnelOpState(terminationPointNew.getInterfaceBfdStatus());
  71         InterfaceManagerCommonUtils.addBfdStateToCache(terminationPointNew.getName(), interfaceOperStatus);
  72         if(interfaceState != null && interfaceState.getOperStatus() != Interface.OperStatus.Unknown) {
  73             IfmClusterUtils.runOnlyInLeaderNode(() -> {
  74                 DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  75                 jobCoordinator.enqueueJob(terminationPointNew.getName(), () -> {
  76                     // update opstate of interface if TEP has gone down/up as a result of BFD monitoring
  77                     final List<ListenableFuture<Void>> futures = new ArrayList<>();
  78                     LOG.debug("updating tunnel state for interface {}", terminationPointNew.getName());
  79                     WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  80                     InterfaceManagerCommonUtils.updateOpState(transaction, terminationPointNew.getName(), interfaceOperStatus);
  81                     futures.add(transaction.submit());
  82                     return futures;
  83                 });
  84             });
  85         }
  86         return null;
  87     }
  88
  89     private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  90     getTunnelOpState(List<InterfaceBfdStatus> tunnelBfdStatus) {
  91         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  92                 livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
  93         if (tunnelBfdStatus != null && !tunnelBfdStatus.isEmpty()) {
  94             for (InterfaceBfdStatus bfdState : tunnelBfdStatus) {
  95                 if (bfdState.getBfdStatusKey().equalsIgnoreCase(SouthboundUtils.BFD_OP_STATE)) {
  96                     String bfdOpState = bfdState.getBfdStatusValue();
  97                     if (bfdOpState.equalsIgnoreCase(SouthboundUtils.BFD_STATE_UP)) {
  98                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up;
  99                     } else {
 100                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 101                     }
 102                     break;
 103                 }
 104             }
 105         }
 106         return livenessState;
 107     }
 108 }