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