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.Collections;
  16 import java.util.List;
  17 import java.util.Map;
  18 import java.util.Map.Entry;
  19 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  20 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
  21 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  22 import org.opendaylight.ovsdb.lib.notation.UUID;
  23 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  24 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  25 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalRouter;
  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.hwvtep.global.attributes.LogicalRouters;
  28 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  29 import org.opendaylight.yangtools.yang.binding.Identifiable;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 public class LogicalRouterRemoveCommand extends AbstractTransactCommand<LogicalRouters, HwvtepGlobalAugmentation> {
  35     private static final Logger LOG = LoggerFactory.getLogger(LogicalRouterRemoveCommand.class);
  36
  37     public LogicalRouterRemoveCommand(HwvtepOperationalState state,
  38             Collection<DataTreeModification<Node>> changes) {
  39         super(state, changes);
  40     }
  41
  42     @Override
  43     public void execute(TransactionBuilder transaction) {
  44         Map<InstanceIdentifier<Node>, List<LogicalRouters>> removed =
  45               extractRemoved(getChanges(),LogicalRouters.class);
  46       if (removed != null) {
  47           for (Entry<InstanceIdentifier<Node>, List<LogicalRouters>> created: removed.entrySet()) {
  48               if (!HwvtepSouthboundUtil.isEmpty(created.getValue())) {
  49                   getOperationalState().getDeviceInfo().scheduleTransaction(new TransactCommand() {
  50                       @Override
  51                       public void execute(TransactionBuilder transactionBuilder) {
  52                           HwvtepConnectionInstance connectionInstance = getDeviceInfo().getConnectionInstance();
  53                           HwvtepOperationalState operState = new HwvtepOperationalState(
  54                                   connectionInstance.getDataBroker(), connectionInstance, Collections.EMPTY_LIST);
  55                           threadLocalOperationalState.set(operState);
  56                           threadLocalDeviceTransaction.set(transactionBuilder);
  57                           LOG.debug("Running delete logical router in seperate tx {}", created.getKey());
  58                           removeLogicalRouter(transactionBuilder, created.getKey(), created.getValue());
  59                       }
  60
  61
  62                       @Override
  63                       public void onSuccess(TransactionBuilder deviceTransaction) {
  64                           LogicalRouterRemoveCommand.this.onSuccess(deviceTransaction);
  65                       }
  66
  67                       @Override
  68                       public void onFailure(TransactionBuilder deviceTransaction) {
  69                           LogicalRouterRemoveCommand.this.onFailure(deviceTransaction);
  70                       }
  71                   });
  72               }
  73           }
  74       }
  75     }
  76
  77       private void removeLogicalRouter(TransactionBuilder transaction,
  78               final InstanceIdentifier<Node> instanceIdentifier, final List<LogicalRouters> lRouterList) {
  79           for (LogicalRouters lrouter: lRouterList) {
  80               LOG.debug("Removing logical router named: {}", lrouter.getHwvtepNodeName().getValue());
  81               Optional<LogicalRouters> operationalRouterOptional =
  82                       getOperationalState().getLogicalRouters(instanceIdentifier, lrouter.getKey());
  83
  84               if (operationalRouterOptional.isPresent() &&
  85                       operationalRouterOptional.get().getLogicalRouterUuid() != null) {
  86                   LogicalRouter logicalRouter = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), LogicalRouter.class, null);
  87                   UUID logicalRouterUuid = new UUID(operationalRouterOptional.get().getLogicalRouterUuid().getValue());
  88                   transaction.add(op.delete(logicalRouter.getSchema())
  89                           .where(logicalRouter.getUuidColumn().getSchema().opEqual(logicalRouterUuid)).build());
  90                   transaction.add(op.comment("Logical Router: Deleting " + lrouter.getHwvtepNodeName().getValue()));
  91               } else {
  92                   LOG.warn("Unable to delete logical router {} because it was not found in the operational data store",
  93                           lrouter.getHwvtepNodeName().getValue());
  94               }
  95           }
  96       }
  97
  98       @Override
  99       protected List<LogicalRouters> getData(final HwvtepGlobalAugmentation augmentation) {
 100           return augmentation.getLogicalRouters();
 101       }
 102
 103       @Override
 104       protected boolean areEqual(final LogicalRouters a , final LogicalRouters b) {
 105           return a.getKey().equals(b.getKey());
 106       }
 107 }