hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transactions/md/LogicalSwitchUpdateCommand.java

   1 /*
   2  * Copyright (c) 2015 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.ovsdb.hwvtepsouthbound.transactions.md;
  10
  11 import java.util.ArrayList;
  12 import java.util.List;
  13 import java.util.Map;
  14 import java.util.Map.Entry;
  15
  16 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
  19 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundMapper;
  20 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  21 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  22 import org.opendaylight.ovsdb.lib.notation.UUID;
  23 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  24 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  25 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalSwitch;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentationBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepLogicalSwitchAugmentation;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepLogicalSwitchAugmentationBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepNodeName;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalSwitchRef;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.Switches;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.SwitchesBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
  35 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  36 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 import com.google.common.base.Optional;
  43
  44 public class LogicalSwitchUpdateCommand extends AbstractTransactionCommand {
  45
  46     private static final Logger LOG = LoggerFactory.getLogger(LogicalSwitchUpdateCommand.class);
  47     private Map<UUID, LogicalSwitch> updatedLSRows;
  48     private Map<UUID, LogicalSwitch> oldLSRows;
  49
  50     public LogicalSwitchUpdateCommand(HwvtepConnectionInstance key, TableUpdates updates,
  51             DatabaseSchema dbSchema) {
  52         super(key, updates, dbSchema);
  53         updatedLSRows = TyperUtils.extractRowsUpdated(LogicalSwitch.class, getUpdates(),getDbSchema());
  54         oldLSRows = TyperUtils.extractRowsOld(LogicalSwitch.class, getUpdates(),getDbSchema());
  55     }
  56
  57     @Override
  58     public void execute(ReadWriteTransaction transaction) {
  59         if(updatedLSRows != null && !updatedLSRows.isEmpty()) {
  60             for (Entry<UUID, LogicalSwitch> entry : updatedLSRows.entrySet()) {
  61                 updateLogicalSwitch(transaction, entry.getValue());
  62             }
  63         }
  64     }
  65
  66     private void updateLogicalSwitch(ReadWriteTransaction transaction, LogicalSwitch lSwitch) {
  67         final InstanceIdentifier<Node> connectionIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  68         Optional<Node> connection = HwvtepSouthboundUtil.readNode(transaction, connectionIId);
  69         if (connection.isPresent()) {
  70             LOG.debug("Connection {} is present",connection);
  71             Node connectionNode = buildConnectionNode(lSwitch);
  72             transaction.merge(LogicalDatastoreType.OPERATIONAL, connectionIId, connectionNode);
  73             // Update the Logical Switch with whatever data we are getting
  74             InstanceIdentifier<Node> lsIid = getInstanceIdentifier(lSwitch);
  75             Node lsNode = buildLogicalSwitchNode(lSwitch);
  76             transaction.merge(LogicalDatastoreType.OPERATIONAL, lsIid, lsNode);
  77 //            TODO: Delete entries that are no longer needed
  78         }
  79     }
  80
  81     private Node buildLogicalSwitchNode(LogicalSwitch lSwitch) {
  82         NodeBuilder lsNodeBuilder = new NodeBuilder();
  83         NodeId psNodeId = getNodeId(lSwitch);
  84         lsNodeBuilder.setNodeId(psNodeId);
  85         HwvtepLogicalSwitchAugmentationBuilder lsAugBuilder = new HwvtepLogicalSwitchAugmentationBuilder();
  86         setManagedBy(lsAugBuilder, lSwitch);
  87         setLogicalSwitchId(lsAugBuilder, lSwitch);
  88
  89         lsNodeBuilder.addAugmentation(HwvtepLogicalSwitchAugmentation.class, lsAugBuilder.build());
  90
  91         LOG.trace("Built with the intent to store PhysicalSwitch data {}",
  92                 lsAugBuilder.build());
  93         return lsNodeBuilder.build();
  94     }
  95
  96     private void setManagedBy(HwvtepLogicalSwitchAugmentationBuilder lsAugBuilder, LogicalSwitch lSwitch) {
  97         // TODO This requires change to yang file
  98     }
  99
 100
 101     private void setLogicalSwitchId(HwvtepLogicalSwitchAugmentationBuilder lsAugBuilder, LogicalSwitch lSwitch) {
 102         lsAugBuilder.setHwvtepNodeName(new HwvtepNodeName(lSwitch.getName()));
 103         if(lSwitch.getDescription() != null) {
 104             lsAugBuilder.setHwvtepNodeDescription(lSwitch.getDescription());
 105         }
 106     }
 107
 108     private Node buildConnectionNode(LogicalSwitch lSwitch) {
 109         //Update node with PhysicalSwitch reference
 110         NodeBuilder connectionNode = new NodeBuilder();
 111         connectionNode.setNodeId(getOvsdbConnectionInstance().getNodeId());
 112
 113         HwvtepGlobalAugmentationBuilder hgAugmentationBuilder = new HwvtepGlobalAugmentationBuilder();
 114         List<Switches> switches = new ArrayList<>();
 115         InstanceIdentifier<Node> switchIid = HwvtepSouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(),
 116                         lSwitch);
 117         hgAugmentationBuilder.setSwitches(switches);
 118         /* FIXME:
 119          * TODO: This need to be revisited after fix in yang file.
 120          * It should ideally be HwvtepSwitchRef
 121          */
 122         Switches logicalSwitch = new SwitchesBuilder().setSwitchRef(
 123                         new HwvtepPhysicalSwitchRef(switchIid)).build();
 124         switches.add(logicalSwitch);
 125
 126         connectionNode.addAugmentation(HwvtepGlobalAugmentation.class, hgAugmentationBuilder.build());
 127
 128         LOG.debug("Update node with logicalswitch ref {}",
 129                 hgAugmentationBuilder.getSwitches().iterator().next());
 130         return connectionNode.build();
 131     }
 132
 133     private InstanceIdentifier<Node> getInstanceIdentifier(LogicalSwitch lSwitch) {
 134         return HwvtepSouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance(),
 135                 lSwitch);
 136     }
 137
 138     private NodeId getNodeId(LogicalSwitch lSwitch) {
 139         NodeKey nodeKey = getInstanceIdentifier(lSwitch).firstKeyOf(Node.class, NodeKey.class);
 140         return nodeKey.getNodeId();
 141     }
 142 }