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

   1 /*
   2  * Copyright (c) 2016, 2017 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 static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  11
  12 import com.google.common.util.concurrent.ListenableFuture;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.Map;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.apache.aries.blueprint.annotation.service.Reference;
  19 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  20 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  21 import org.opendaylight.genius.interfacemanager.IfmConstants;
  22 import org.opendaylight.genius.interfacemanager.IfmUtil;
  23 import org.opendaylight.genius.interfacemanager.commons.InterfaceManagerCommonUtils;
  24 import org.opendaylight.genius.interfacemanager.commons.InterfaceMetaUtils;
  25 import org.opendaylight.genius.interfacemanager.renderer.ovs.utilities.SouthboundUtils;
  26 import org.opendaylight.genius.utils.clustering.EntityOwnershipUtils;
  27 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  28 import org.opendaylight.mdsal.binding.api.DataBroker;
  29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.interfacemanager.meta.rev160406.bridge._interface.info.BridgeEntry;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatus;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.port._interface.attributes.InterfaceBfdStatusKey;
  35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  36 import org.opendaylight.yangtools.yang.common.Uint64;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 @Singleton
  41 public class OvsInterfaceTopologyStateUpdateHelper {
  42     private static final Logger LOG = LoggerFactory.getLogger(OvsInterfaceTopologyStateUpdateHelper.class);
  43     private static final Logger EVENT_LOGGER = LoggerFactory.getLogger("GeniusEventLogger");
  44
  45     private final ManagedNewTransactionRunner txRunner;
  46     private final EntityOwnershipUtils entityOwnershipUtils;
  47     private final JobCoordinator coordinator;
  48     private final InterfaceManagerCommonUtils interfaceManagerCommonUtils;
  49     private final InterfaceMetaUtils interfaceMetaUtils;
  50     private final SouthboundUtils southboundUtils;
  51
  52     @Inject
  53     public OvsInterfaceTopologyStateUpdateHelper(@Reference DataBroker dataBroker,
  54                                                  EntityOwnershipUtils entityOwnershipUtils,
  55                                                  @Reference JobCoordinator coordinator,
  56                                                  InterfaceManagerCommonUtils interfaceManagerCommonUtils,
  57                                                  InterfaceMetaUtils interfaceMetaUtils,
  58                                                  SouthboundUtils southboundUtils) {
  59         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  60         this.entityOwnershipUtils = entityOwnershipUtils;
  61         this.coordinator = coordinator;
  62         this.interfaceManagerCommonUtils = interfaceManagerCommonUtils;
  63         this.interfaceMetaUtils = interfaceMetaUtils;
  64         this.southboundUtils = southboundUtils;
  65     }
  66
  67     /*
  68      * This code is used to handle only a dpnId change scenario for a particular
  69      * change, which is not expected to happen in usual cases.
  70      */
  71     public List<ListenableFuture<Void>> updateBridgeRefEntry(InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid,
  72                                                              OvsdbBridgeAugmentation bridgeNew,
  73                                                              OvsdbBridgeAugmentation bridgeOld) {
  74         return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, tx -> {
  75             Uint64 dpnIdNew = IfmUtil.getDpnId(bridgeNew.getDatapathId());
  76             Uint64 dpnIdOld = IfmUtil.getDpnId(bridgeOld.getDatapathId());
  77
  78             LOG.debug("updating bridge references for bridge: {}, dpnNew: {}, dpnOld: {}", bridgeNew,
  79                     dpnIdNew, dpnIdOld);
  80             // delete bridge reference entry for the old dpn in interface meta
  81             // operational DS
  82             InterfaceMetaUtils.deleteBridgeRefEntry(dpnIdOld, tx);
  83
  84             // create bridge reference entry in interface meta operational DS
  85             InterfaceMetaUtils.createBridgeRefEntry(dpnIdNew, bridgeIid, tx);
  86
  87             // handle pre-provisioning of tunnels for the newly connected dpn
  88             BridgeEntry bridgeEntry = interfaceMetaUtils.getBridgeEntryFromConfigDS(dpnIdNew);
  89             if (bridgeEntry != null) {
  90                 southboundUtils.addAllPortsToBridge(bridgeEntry, interfaceManagerCommonUtils, bridgeIid, bridgeNew);
  91             }
  92         }));
  93     }
  94
  95     public List<ListenableFuture<Void>> updateTunnelState(OvsdbTerminationPointAugmentation terminationPointNew) {
  96         final Interface.OperStatus interfaceBfdStatus = getTunnelOpState(terminationPointNew);
  97         final String interfaceName = terminationPointNew.getName();
  98         interfaceManagerCommonUtils.addBfdStateToCache(interfaceName, interfaceBfdStatus);
  99         if (!entityOwnershipUtils.isEntityOwner(IfmConstants.INTERFACE_CONFIG_ENTITY,
 100                 IfmConstants.INTERFACE_CONFIG_ENTITY)) {
 101             return Collections.emptyList();
 102         }
 103
 104         coordinator.enqueueJob(interfaceName, () -> {
 105             // update opstate of interface if TEP has gone down/up as a result
 106             // of BFD monitoring
 107             final Interface interfaceState = interfaceManagerCommonUtils
 108                     .getInterfaceStateFromOperDS(terminationPointNew.getName());
 109             if (interfaceState != null && interfaceState.getOperStatus() != Interface.OperStatus.Unknown
 110                     && interfaceState.getOperStatus() != interfaceBfdStatus) {
 111                 EVENT_LOGGER.debug("IFM-OvsInterfaceTopologyState,UPDATE {} to STATUS {}", interfaceName,
 112                         interfaceState.getOperStatus());
 113                 LOG.debug("updating tunnel state for interface {} as {}", interfaceName, interfaceBfdStatus);
 114                 return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL,
 115                     tx -> InterfaceManagerCommonUtils.updateOpState(tx, interfaceName, interfaceBfdStatus)));
 116             }
 117             return Collections.emptyList();
 118         });
 119         return Collections.emptyList();
 120     }
 121
 122     private static Interface.OperStatus getTunnelOpState(OvsdbTerminationPointAugmentation terminationPoint) {
 123         if (!SouthboundUtils.bfdMonitoringEnabled(terminationPoint.getInterfaceBfd())) {
 124             return Interface.OperStatus.Up;
 125         }
 126         Interface.OperStatus livenessState = Interface.OperStatus.Down;
 127         Map<InterfaceBfdStatusKey, InterfaceBfdStatus> tunnelBfdStatus = terminationPoint.getInterfaceBfdStatus();
 128         if (tunnelBfdStatus != null && !tunnelBfdStatus.isEmpty()) {
 129             for (InterfaceBfdStatus bfdState : tunnelBfdStatus.values()) {
 130                 if (SouthboundUtils.BFD_OP_STATE.equalsIgnoreCase(bfdState.getBfdStatusKey())) {
 131                     String bfdOpState = bfdState.getBfdStatusValue();
 132                     livenessState = SouthboundUtils.BFD_STATE_UP.equalsIgnoreCase(bfdOpState) ? Interface.OperStatus.Up
 133                             : Interface.OperStatus.Down;
 134                     break;
 135                 }
 136             }
 137         }
 138         return livenessState;
 139     }
 140 }