elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanInstanceManager.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
   9 package org.opendaylight.netvirt.elan.internal;
  10
  11 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  12 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  13
  14 import com.google.common.base.Optional;
  15 import com.google.common.util.concurrent.ListenableFuture;
  16 import java.util.ArrayList;
  17 import java.util.Collections;
  18 import java.util.List;
  19 import javax.annotation.PostConstruct;
  20 import javax.inject.Inject;
  21 import javax.inject.Singleton;
  22
  23 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  24 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  25 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  26 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  27 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  28 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  29 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  30 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  31 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  32 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  33 import org.opendaylight.netvirt.elan.cache.ElanInterfaceCache;
  34 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  35 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.etree.rev160614.EtreeInstance;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesListKey;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan;
  45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 @Singleton
  50 public class ElanInstanceManager extends AsyncDataTreeChangeListenerBase<ElanInstance, ElanInstanceManager> {
  51
  52     private static final Logger LOG = LoggerFactory.getLogger(ElanInstanceManager.class);
  53
  54     private final DataBroker broker;
  55     private final ManagedNewTransactionRunner txRunner;
  56     private final IdManagerService idManager;
  57     private final IInterfaceManager interfaceManager;
  58     private final ElanInterfaceManager elanInterfaceManager;
  59     private final JobCoordinator jobCoordinator;
  60     private final ElanInterfaceCache elanInterfaceCache;
  61
  62     @Inject
  63     public ElanInstanceManager(final DataBroker dataBroker, final IdManagerService managerService,
  64                                final ElanInterfaceManager elanInterfaceManager,
  65                                final IInterfaceManager interfaceManager, final JobCoordinator jobCoordinator,
  66                                final ElanInterfaceCache elanInterfaceCache) {
  67         super(ElanInstance.class, ElanInstanceManager.class);
  68         this.broker = dataBroker;
  69         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  70         this.idManager = managerService;
  71         this.elanInterfaceManager = elanInterfaceManager;
  72         this.interfaceManager = interfaceManager;
  73         this.jobCoordinator = jobCoordinator;
  74         this.elanInterfaceCache = elanInterfaceCache;
  75     }
  76
  77     @Override
  78     @PostConstruct
  79     public void init() {
  80         registerListener(LogicalDatastoreType.CONFIGURATION, broker);
  81     }
  82
  83     @Override
  84     protected void remove(InstanceIdentifier<ElanInstance> identifier, ElanInstance deletedElan) {
  85         LOG.trace("Remove ElanInstance - Key: {}, value: {}", identifier, deletedElan);
  86         String elanName = deletedElan.getElanInstanceName();
  87         // check the elan Instance present in the Operational DataStore
  88         Elan existingElan = ElanUtils.getElanByName(broker, elanName);
  89         long elanTag = deletedElan.getElanTag();
  90         // Cleaning up the existing Elan Instance
  91         if (existingElan != null) {
  92             List<String> elanInterfaces = existingElan.getElanInterfaces();
  93             if (elanInterfaces != null && !elanInterfaces.isEmpty()) {
  94                 List<ListenableFuture<Void>> futureList = new ArrayList<>();
  95                 elanInterfaces.forEach(elanInterfaceName -> {
  96                     jobCoordinator.enqueueJob(ElanUtils.getElanInterfaceJobKey(elanInterfaceName), () -> {
  97                         InstanceIdentifier<ElanInterface> elanInterfaceId = ElanUtils
  98                                 .getElanInterfaceConfigurationDataPathId(elanInterfaceName);
  99                         InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(elanInterfaceName);
 100                         futureList.addAll(elanInterfaceManager.removeElanInterface(deletedElan, elanInterfaceName,
 101                                 interfaceInfo));
 102                         ElanUtils.delete(broker, LogicalDatastoreType.CONFIGURATION,
 103                                 elanInterfaceId);
 104                         return futureList;
 105                     },ElanConstants.JOB_MAX_RETRIES);
 106                 });
 107             }
 108             ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL,
 109                     ElanUtils.getElanInstanceOperationalDataPath(elanName));
 110             Optional<ElanDpnInterfacesList> elanDpnInterfaceList = MDSALUtil.read(broker,
 111                     LogicalDatastoreType.OPERATIONAL,
 112                     ElanUtils.getElanDpnOperationDataPath(elanName));
 113             if (elanDpnInterfaceList.isPresent()) {
 114                 ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL,
 115                         getElanDpnOperationDataPath(elanName));
 116             }
 117             ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL,
 118                     ElanUtils.getElanInfoEntriesOperationalDataPath(elanTag));
 119         }
 120         elanInterfaceCache.getInterfaceNames(elanName).forEach(
 121             elanInterfaceName -> jobCoordinator.enqueueJob(ElanUtils.getElanInterfaceJobKey(elanInterfaceName),
 122                 () -> Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, tx -> {
 123                     LOG.info("Deleting the elanInterface present under ConfigDS:{}", elanInterfaceName);
 124                     tx.delete(ElanUtils.getElanInterfaceConfigurationDataPathId(elanInterfaceName));
 125                     elanInterfaceManager.unbindService(elanInterfaceName, tx);
 126                     LOG.info("unbind the Interface:{} service bounded to Elan:{}", elanInterfaceName, elanName);
 127                 })), ElanConstants.JOB_MAX_RETRIES));
 128         // Release tag
 129         ElanUtils.releaseId(idManager, ElanConstants.ELAN_ID_POOL_NAME, elanName);
 130         if (deletedElan.augmentation(EtreeInstance.class) != null) {
 131             removeEtreeInstance(deletedElan);
 132         }
 133     }
 134
 135     private void removeEtreeInstance(ElanInstance deletedElan) {
 136         // Release leaves tag
 137         ElanUtils.releaseId(idManager, ElanConstants.ELAN_ID_POOL_NAME,
 138                 deletedElan.getElanInstanceName() + ElanConstants.LEAVES_POSTFIX);
 139
 140         ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL,
 141                 ElanUtils.getElanInfoEntriesOperationalDataPath(
 142                         deletedElan.augmentation(EtreeInstance.class).getEtreeLeafTagVal().getValue()));
 143     }
 144
 145     @Override
 146     protected void update(InstanceIdentifier<ElanInstance> identifier, ElanInstance original, ElanInstance update) {
 147         Long existingElanTag = original.getElanTag();
 148         String elanName = update.getElanInstanceName();
 149         if (existingElanTag == null || !existingElanTag.equals(update.getElanTag())) {
 150             if (update.getElanTag() == null  || update.getElanTag() == 0L) {
 151                 // update the elan-Instance with new properties
 152                 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL,
 153                     operTx -> ListenableFutures.addErrorLogging(
 154                         txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 155                             confTx -> ElanUtils.updateOperationalDataStore(idManager, update, new ArrayList<>(), confTx,
 156                                 operTx)), LOG, "Error updating ELAN tag in ELAN instance")), LOG,
 157                     "Error updating ELAN tag in ELAN instance");
 158             } else {
 159                 jobCoordinator.enqueueJob(elanName, () -> elanInterfaceManager.handleunprocessedElanInterfaces(update),
 160                     ElanConstants.JOB_MAX_RETRIES);
 161             }
 162         }
 163     }
 164
 165     @Override
 166     protected void add(InstanceIdentifier<ElanInstance> identifier, ElanInstance elanInstanceAdded) {
 167         ListenableFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, operTx -> {
 168             String elanInstanceName  = elanInstanceAdded.getElanInstanceName();
 169             Elan elanInfo = ElanUtils.getElanByName(operTx, elanInstanceName);
 170             if (elanInfo == null) {
 171                 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 172                     confTx -> ElanUtils.updateOperationalDataStore(idManager, elanInstanceAdded, new ArrayList<>(),
 173                         confTx, operTx)), LOG, "Error adding an ELAN instance");
 174             }
 175         }), LOG, "Error adding an ELAN instance");
 176     }
 177
 178     private static InstanceIdentifier<ElanDpnInterfacesList> getElanDpnOperationDataPath(String elanInstanceName) {
 179         return InstanceIdentifier.builder(ElanDpnInterfaces.class)
 180                 .child(ElanDpnInterfacesList.class, new ElanDpnInterfacesListKey(elanInstanceName)).build();
 181     }
 182
 183     @Override
 184     protected InstanceIdentifier<ElanInstance> getWildCardPath() {
 185         return InstanceIdentifier.create(ElanInstances.class).child(ElanInstance.class);
 186     }
 187
 188     @Override
 189     protected ElanInstanceManager getDataTreeChangeListener() {
 190         return this;
 191     }
 192 }