impl/src/main/java/org/opendaylight/unimgr/command/UniDeleteCommand.java

   1 /*
   2  * Copyright (c) 2015 CableLabs 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.unimgr.command;
   9
  10 import java.util.List;
  11 import java.util.Set;
  12
  13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  14 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.unimgr.impl.UnimgrConstants;
  17 import org.opendaylight.unimgr.impl.UnimgrMapper;
  18 import org.opendaylight.unimgr.utils.MdsalUtils;
  19 import org.opendaylight.unimgr.utils.OvsdbUtils;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeRef;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntries;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QosEntriesKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.Queues;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.QueuesKey;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.unimgr.rev151012.UniAugmentation;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.node.TerminationPoint;
  29 import org.opendaylight.yangtools.yang.binding.DataObject;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 import com.google.common.base.Optional;
  35
  36 public class UniDeleteCommand extends AbstractDeleteCommand {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(UniDeleteCommand.class);
  39
  40     public UniDeleteCommand(DataBroker dataBroker,
  41             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  42         super.changes = changes;
  43         super.dataBroker = dataBroker;
  44     }
  45
  46     @Override
  47     public void execute() {
  48         Set<InstanceIdentifier<UniAugmentation>> removedUnis = OvsdbUtils.extractRemoved(changes,
  49                                                                                           UniAugmentation.class);
  50         if (!removedUnis.isEmpty()) {
  51             for (InstanceIdentifier<UniAugmentation> removedUniIid: removedUnis) {
  52                 UniAugmentation uniAugmentation = MdsalUtils.read(dataBroker,
  53                                                                    LogicalDatastoreType.OPERATIONAL,
  54                                                                    removedUniIid);
  55                 if (uniAugmentation != null) {
  56                     OvsdbNodeRef ovsNodedRef = uniAugmentation.getOvsdbNodeRef();
  57                     InstanceIdentifier<Node> ovsdbNodeIid = ovsNodedRef.getValue().firstIdentifierOf(Node.class);
  58                     Optional<Node> optionalNode = MdsalUtils.readNode(dataBroker,
  59                                                                        LogicalDatastoreType.OPERATIONAL,
  60                                                                        ovsdbNodeIid);
  61                     if (optionalNode.isPresent()) {
  62                         Node ovsdbNode = optionalNode.get();
  63                         LOG.info("Delete QoS and Queues entries");
  64                         List<QosEntries> qosList = ovsdbNode
  65                                 .getAugmentation(OvsdbNodeAugmentation.class)
  66                                 .getQosEntries();
  67                         QosEntriesKey qosEntryKey = null;
  68                         for (final QosEntries qosEntry : qosList) {
  69                             qosEntryKey = qosEntry.getKey();
  70                             InstanceIdentifier<QosEntries> qosIid = UnimgrMapper.getOvsdbQoSEntriesIid(ovsdbNode, qosEntryKey);
  71                             MdsalUtils.deleteNode(dataBroker, qosIid, LogicalDatastoreType.CONFIGURATION);
  72                         }
  73
  74                         List<Queues> queuesList = ovsdbNode
  75                                 .getAugmentation(OvsdbNodeAugmentation.class)
  76                                 .getQueues();
  77                         QueuesKey queuesKey = null;
  78                         for (final Queues queue : queuesList) {
  79                             queuesKey = queue.getKey();
  80                             InstanceIdentifier<Queues> queuesIid = UnimgrMapper.getOvsdbQueuesIid(ovsdbNode, queuesKey);
  81                             MdsalUtils.deleteNode(dataBroker, queuesIid, LogicalDatastoreType.CONFIGURATION);
  82                         }
  83
  84                         LOG.info("Delete bridge node");
  85                         InstanceIdentifier<Node> bridgeIid = UnimgrMapper.getOvsdbBridgeNodeIid(ovsdbNode);
  86                         Optional<Node> optBridgeNode = MdsalUtils.readNode(dataBroker, bridgeIid);
  87                         if (optBridgeNode.isPresent()) {
  88                             Node bridgeNode = optBridgeNode.get();
  89                             InstanceIdentifier<TerminationPoint> iidTermPoint = UnimgrMapper.getTerminationPointIid(bridgeNode,
  90                                                                                             UnimgrConstants.DEFAULT_BRIDGE_NAME);
  91                             MdsalUtils.deleteNode(dataBroker, iidTermPoint, LogicalDatastoreType.CONFIGURATION);
  92                         }
  93                         MdsalUtils.deleteNode(dataBroker, bridgeIid, LogicalDatastoreType.CONFIGURATION);
  94                     }
  95                     InstanceIdentifier<Node> iidUni = UnimgrMapper.getUniIid(dataBroker, uniAugmentation.getIpAddress(),
  96                                                                              LogicalDatastoreType.OPERATIONAL);
  97                     if (iidUni != null)
  98                         MdsalUtils.deleteNode(dataBroker, iidUni, LogicalDatastoreType.OPERATIONAL);
  99                 }
 100                 else {
 101                     LOG.info("Received Uni Augmentation is null", removedUniIid);
 102                 }
 103             }
 104         }
 105     }
 106 }