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 java.util.ArrayList;
  15 import java.util.Collections;
  16 import javax.annotation.PostConstruct;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19
  20 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  22 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  23 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  24 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  25 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  26 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  27 import org.opendaylight.infrautils.utils.concurrent.ListenableFutures;
  28 import org.opendaylight.netvirt.elan.cache.ElanInterfaceCache;
  29 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  30 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.etree.rev160614.EtreeInstance;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanInstances;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.state.Elan;
  36 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 @Singleton
  41 public class ElanInstanceManager extends AsyncDataTreeChangeListenerBase<ElanInstance, ElanInstanceManager> {
  42
  43     private static final Logger LOG = LoggerFactory.getLogger(ElanInstanceManager.class);
  44
  45     private final DataBroker broker;
  46     private final ManagedNewTransactionRunner txRunner;
  47     private final IdManagerService idManager;
  48     private final IInterfaceManager interfaceManager;
  49     private final ElanInterfaceManager elanInterfaceManager;
  50     private final JobCoordinator jobCoordinator;
  51     private final ElanInterfaceCache elanInterfaceCache;
  52
  53     @Inject
  54     public ElanInstanceManager(final DataBroker dataBroker, final IdManagerService managerService,
  55                                final ElanInterfaceManager elanInterfaceManager,
  56                                final IInterfaceManager interfaceManager, final JobCoordinator jobCoordinator,
  57                                final ElanInterfaceCache elanInterfaceCache) {
  58         super(ElanInstance.class, ElanInstanceManager.class);
  59         this.broker = dataBroker;
  60         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  61         this.idManager = managerService;
  62         this.elanInterfaceManager = elanInterfaceManager;
  63         this.interfaceManager = interfaceManager;
  64         this.jobCoordinator = jobCoordinator;
  65         this.elanInterfaceCache = elanInterfaceCache;
  66     }
  67
  68     @Override
  69     @PostConstruct
  70     public void init() {
  71         registerListener(LogicalDatastoreType.CONFIGURATION, broker);
  72     }
  73
  74     @Override
  75     protected void remove(InstanceIdentifier<ElanInstance> identifier, ElanInstance deletedElan) {
  76         LOG.trace("Remove ElanInstance - Key: {}, value: {}", identifier, deletedElan);
  77         String elanName = deletedElan.getElanInstanceName();
  78         elanInterfaceCache.getInterfaceNames(elanName).forEach(
  79             elanInterfaceName -> jobCoordinator.enqueueJob(ElanUtils.getElanInterfaceJobKey(elanInterfaceName),
  80                 () -> Collections.singletonList(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, tx -> {
  81                     LOG.info("Deleting the elanInterface present under ConfigDS:{}", elanInterfaceName);
  82                     tx.delete(ElanUtils.getElanInterfaceConfigurationDataPathId(elanInterfaceName));
  83                     elanInterfaceManager.unbindService(elanInterfaceName, tx);
  84                     LOG.info("unbind the Interface:{} service bounded to Elan:{}", elanInterfaceName, elanName);
  85                 })), ElanConstants.JOB_MAX_RETRIES));
  86         // Release tag
  87         ElanUtils.releaseId(idManager, ElanConstants.ELAN_ID_POOL_NAME, elanName);
  88         if (deletedElan.augmentation(EtreeInstance.class) != null) {
  89             removeEtreeInstance(deletedElan);
  90         }
  91     }
  92
  93     private void removeEtreeInstance(ElanInstance deletedElan) {
  94         // Release leaves tag
  95         ElanUtils.releaseId(idManager, ElanConstants.ELAN_ID_POOL_NAME,
  96                 deletedElan.getElanInstanceName() + ElanConstants.LEAVES_POSTFIX);
  97
  98         ElanUtils.delete(broker, LogicalDatastoreType.OPERATIONAL,
  99                 ElanUtils.getElanInfoEntriesOperationalDataPath(
 100                         deletedElan.augmentation(EtreeInstance.class).getEtreeLeafTagVal().getValue()));
 101     }
 102
 103     @Override
 104     protected void update(InstanceIdentifier<ElanInstance> identifier, ElanInstance original, ElanInstance update) {
 105         Long existingElanTag = original.getElanTag();
 106         String elanName = update.getElanInstanceName();
 107         if (existingElanTag == null || !existingElanTag.equals(update.getElanTag())) {
 108             if (update.getElanTag() == null  || update.getElanTag() == 0L) {
 109                 // update the elan-Instance with new properties
 110                 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL,
 111                     operTx -> ListenableFutures.addErrorLogging(
 112                         txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 113                             confTx -> ElanUtils.updateOperationalDataStore(idManager, update, new ArrayList<>(), confTx,
 114                                 operTx)), LOG, "Error updating ELAN tag in ELAN instance")), LOG,
 115                     "Error updating ELAN tag in ELAN instance");
 116             } else {
 117                 jobCoordinator.enqueueJob(elanName, () -> elanInterfaceManager.handleunprocessedElanInterfaces(update),
 118                     ElanConstants.JOB_MAX_RETRIES);
 119             }
 120         }
 121     }
 122
 123     @Override
 124     protected void add(InstanceIdentifier<ElanInstance> identifier, ElanInstance elanInstanceAdded) {
 125         ListenableFutures.addErrorLogging(txRunner.callWithNewReadWriteTransactionAndSubmit(OPERATIONAL, operTx -> {
 126             String elanInstanceName  = elanInstanceAdded.getElanInstanceName();
 127             Elan elanInfo = ElanUtils.getElanByName(operTx, elanInstanceName);
 128             if (elanInfo == null) {
 129                 ListenableFutures.addErrorLogging(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION,
 130                     confTx -> ElanUtils.updateOperationalDataStore(idManager, elanInstanceAdded, new ArrayList<>(),
 131                         confTx, operTx)), LOG, "Error adding an ELAN instance");
 132             }
 133         }), LOG, "Error adding an ELAN instance");
 134     }
 135
 136     @Override
 137     protected InstanceIdentifier<ElanInstance> getWildCardPath() {
 138         return InstanceIdentifier.create(ElanInstances.class).child(ElanInstance.class);
 139     }
 140
 141     @Override
 142     protected ElanInstanceManager getDataTreeChangeListener() {
 143         return this;
 144     }
 145 }