hwvtepsouthbound/hwvtepsouthbound-impl/src/main/java/org/opendaylight/ovsdb/hwvtepsouthbound/transact/LogicalRouterRemoveCommand.java

   1 /*
   2  * Copyright © 2017 Hewlett Packard Enterprise, Co. 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.transact;
  10
  11 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  12
  13 import com.google.common.base.Optional;
  14 import java.util.Collection;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Map.Entry;
  18 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  19 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  20 import org.opendaylight.ovsdb.lib.notation.UUID;
  21 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  22 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  23 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalRouter;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRouters;
  26 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  27 import org.opendaylight.yangtools.yang.binding.Identifiable;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class LogicalRouterRemoveCommand extends AbstractTransactCommand<LogicalRouters, HwvtepGlobalAugmentation> {
  33     private static final Logger LOG = LoggerFactory.getLogger(LogicalRouterRemoveCommand.class);
  34
  35     public LogicalRouterRemoveCommand(HwvtepOperationalState state,
  36             Collection<DataTreeModification<Node>> changes) {
  37         super(state, changes);
  38     }
  39
  40     @Override
  41     public void execute(TransactionBuilder transaction) {
  42         Map<InstanceIdentifier<Node>, List<LogicalRouters>> removed =
  43               extractRemoved(getChanges(),LogicalRouters.class);
  44       if (removed != null) {
  45           for (Entry<InstanceIdentifier<Node>, List<LogicalRouters>> created: removed.entrySet()) {
  46               if (!HwvtepSouthboundUtil.isEmpty(created.getValue())) {
  47                   for (LogicalRouters lRouter : created.getValue()) {
  48                       InstanceIdentifier<LogicalRouters> lsKey = created.getKey().augmentation(
  49                               HwvtepGlobalAugmentation.class).child(LogicalRouters.class, lRouter.getKey());
  50                       updateCurrentTxDeleteData(LogicalRouters.class, lsKey, lRouter);
  51                   }
  52                   getOperationalState().getDeviceInfo().scheduleTransaction(new TransactCommand() {
  53                       @Override
  54                       public void execute(TransactionBuilder transactionBuilder) {
  55                           LOG.debug("Running delete logical router in seperate tx {}", created.getKey());
  56                           removeLogicalRouter(transactionBuilder, created.getKey(), created.getValue());
  57                       }
  58
  59                       @Override
  60                       public void onConfigUpdate(TransactionBuilder transaction, InstanceIdentifier nodeIid,
  61                                                  Identifiable data, InstanceIdentifier key, Object... extraData) {
  62                       }
  63
  64                       @Override
  65                       public void doDeviceTransaction(TransactionBuilder transaction, InstanceIdentifier nodeIid,
  66                                                       Identifiable data, InstanceIdentifier key, Object... extraData) {
  67                       }
  68                   });
  69               }
  70           }
  71       }
  72     }
  73
  74       private void removeLogicalRouter(TransactionBuilder transaction,
  75               final InstanceIdentifier<Node> instanceIdentifier, final List<LogicalRouters> lRouterList) {
  76           for (LogicalRouters lrouter: lRouterList) {
  77               LOG.debug("Removing logical router named: {}", lrouter.getHwvtepNodeName().getValue());
  78               Optional<LogicalRouters> operationalRouterOptional =
  79                       getOperationalState().getLogicalRouters(instanceIdentifier, lrouter.getKey());
  80
  81               if (operationalRouterOptional.isPresent() &&
  82                       operationalRouterOptional.get().getLogicalRouterUuid() != null) {
  83                   LogicalRouter logicalRouter = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), LogicalRouter.class, null);
  84                   UUID logicalRouterUuid = new UUID(operationalRouterOptional.get().getLogicalRouterUuid().getValue());
  85                   transaction.add(op.delete(logicalRouter.getSchema())
  86                           .where(logicalRouter.getUuidColumn().getSchema().opEqual(logicalRouterUuid)).build());
  87                   transaction.add(op.comment("Logical Router: Deleting " + lrouter.getHwvtepNodeName().getValue()));
  88               } else {
  89                   LOG.warn("Unable to delete logical router {} because it was not found in the operational data store",
  90                           lrouter.getHwvtepNodeName().getValue());
  91               }
  92           }
  93       }
  94
  95       @Override
  96       protected List<LogicalRouters> getData(final HwvtepGlobalAugmentation augmentation) {
  97           return augmentation.getLogicalRouters();
  98       }
  99
 100       @Override
 101       protected boolean areEqual(final LogicalRouters a , final LogicalRouters b) {
 102           return a.getKey().equals(b.getKey());
 103       }
 104 }