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 import java.util.concurrent.Callable;
  32
  33 public class OvsInterfaceTopologyStateUpdateHelper {
  34     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceTopologyStateUpdateHelper.class);
  35
  36     /*
  37      *  This code is used to handle only a dpnId change scenario for a particular change,
  38      * which is not expected to happen in usual cases.
  39      */
  40     public static List<ListenableFuture<Void>> updateBridgeRefEntry(InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid,
  41                                                                     OvsdbBridgeAugmentation bridgeNew,
  42                                                                     OvsdbBridgeAugmentation bridgeOld,
  43                                                                     DataBroker dataBroker) {
  44         List<ListenableFuture<Void>> futures = new ArrayList<>();
  45         WriteTransaction writeTransaction = dataBroker.newWriteOnlyTransaction();
  46
  47         BigInteger dpnIdNew = IfmUtil.getDpnId(bridgeNew.getDatapathId());
  48         BigInteger dpnIdOld = IfmUtil.getDpnId(bridgeOld.getDatapathId());
  49
  50         //delete bridge reference entry for the old dpn in interface meta operational DS
  51         InterfaceMetaUtils.deleteBridgeRefEntry(dpnIdOld, writeTransaction);
  52
  53         // create bridge reference entry in interface meta operational DS
  54         InterfaceMetaUtils.createBridgeRefEntry(dpnIdNew, bridgeIid, writeTransaction);
  55
  56         // handle pre-provisioning of tunnels for the newly connected dpn
  57         BridgeEntry bridgeEntry = InterfaceMetaUtils.getBridgeEntryFromConfigDS(dpnIdNew, dataBroker);
  58         if (bridgeEntry == null) {
  59             futures.add(writeTransaction.submit());
  60             return futures;
  61         }
  62         SouthboundUtils.addAllPortsToBridge(bridgeEntry, dataBroker, bridgeIid, bridgeNew, futures);
  63
  64         futures.add(writeTransaction.submit());
  65         return futures;
  66     }
  67
  68     public static List<ListenableFuture<Void>> updateTunnelState(final DataBroker dataBroker,
  69                                                                  final OvsdbTerminationPointAugmentation terminationPointNew) {
  70         final Interface interfaceState = InterfaceManagerCommonUtils.getInterfaceStateFromOperDS(terminationPointNew.getName(), dataBroker);
  71         final Interface.OperStatus interfaceOperStatus = getTunnelOpState(terminationPointNew.getInterfaceBfdStatus());
  72         InterfaceManagerCommonUtils.addBfdStateToCache(terminationPointNew.getName(), interfaceOperStatus);
  73         if(interfaceState != null && interfaceState.getOperStatus() != Interface.OperStatus.Unknown) {
  74             IfmClusterUtils.runOnlyInLeaderNode(new Runnable() {
  75                 @Override
  76                 public void run() {
  77                     DataStoreJobCoordinator jobCoordinator = DataStoreJobCoordinator.getInstance();
  78                     jobCoordinator.enqueueJob(terminationPointNew.getName(), new Callable<List<ListenableFuture<Void>>>() {
  79                         @Override
  80                         public List<ListenableFuture<Void>> call() throws Exception {
  81                             // update opstate of interface if TEP has gone down/up as a result of BFD monitoring
  82                             final List<ListenableFuture<Void>> futures = new ArrayList<>();
  83                             LOG.debug("updating tunnel state for interface {}", terminationPointNew.getName());
  84                             WriteTransaction transaction = dataBroker.newWriteOnlyTransaction();
  85                             InterfaceManagerCommonUtils.updateOpState(transaction, terminationPointNew.getName(), interfaceOperStatus);
  86                             futures.add(transaction.submit());
  87                             return futures;
  88                         }
  89                     });
  90                 }
  91             });
  92         }
  93         return null;
  94     }
  95
  96     private static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  97     getTunnelOpState(List<InterfaceBfdStatus> tunnelBfdStatus) {
  98         org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus
  99                 livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 100         if (tunnelBfdStatus != null && !tunnelBfdStatus.isEmpty()) {
 101             for (InterfaceBfdStatus bfdState : tunnelBfdStatus) {
 102                 if (bfdState.getBfdStatusKey().equalsIgnoreCase(SouthboundUtils.BFD_OP_STATE)) {
 103                     String bfdOpState = bfdState.getBfdStatusValue();
 104                     if (bfdOpState.equalsIgnoreCase(SouthboundUtils.BFD_STATE_UP)) {
 105                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Up;
 106                     } else {
 107                         livenessState = org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.OperStatus.Down;
 108                     }
 109                     break;
 110                 }
 111             }
 112         }
 113         return livenessState;
 114     }
 115 }