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 package org.opendaylight.ovsdb.hwvtepsouthbound.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.Collection;
  13 import java.util.Collections;
  14 import java.util.List;
  15 import java.util.Map;
  16 import java.util.Map.Entry;
  17 import java.util.Optional;
  18 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  19 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
  20 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  21 import org.opendaylight.ovsdb.lib.notation.UUID;
  22 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  23 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalRouter;
  24 import org.opendaylight.ovsdb.utils.mdsal.utils.TransactionType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRouters;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRoutersKey;
  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.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class LogicalRouterRemoveCommand
  34         extends AbstractTransactCommand<LogicalRouters, LogicalRoutersKey, HwvtepGlobalAugmentation> {
  35     private static final Logger LOG = LoggerFactory.getLogger(LogicalRouterRemoveCommand.class);
  36
  37     public LogicalRouterRemoveCommand(final HwvtepOperationalState state,
  38             final Collection<DataTreeModification<Node>> changes) {
  39         super(state, changes);
  40     }
  41
  42     @Override
  43     public void execute(final TransactionBuilder transaction) {
  44         Map<InstanceIdentifier<Node>, List<LogicalRouters>> removed =
  45               extractRemoved(getChanges(),LogicalRouters.class);
  46
  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(final TransactionBuilder transactionBuilder) {
  52                         HwvtepConnectionInstance connectionInstance = getDeviceInfo().getConnectionInstance();
  53                         HwvtepOperationalState operState = new HwvtepOperationalState(
  54                                 connectionInstance.getDataBroker(), connectionInstance, Collections.emptyList());
  55                         hwvtepOperationalState = operState;
  56                         deviceTransaction = 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(final TransactionBuilder deviceTransaction) {
  64                         LogicalRouterRemoveCommand.this.onSuccess(deviceTransaction);
  65                     }
  66
  67                     @Override
  68                     public void onFailure(final TransactionBuilder deviceTransaction) {
  69                         LogicalRouterRemoveCommand.this.onFailure(deviceTransaction);
  70                     }
  71                 });
  72             }
  73         }
  74     }
  75
  76     private void removeLogicalRouter(final TransactionBuilder transaction,
  77             final InstanceIdentifier<Node> instanceIdentifier, final List<LogicalRouters> routerList) {
  78         for (LogicalRouters lrouter: routerList) {
  79             LOG.debug("Removing logical router named: {}", lrouter.getHwvtepNodeName().getValue());
  80             Optional<LogicalRouters> operationalRouterOptional =
  81                     getOperationalState().getLogicalRouters(instanceIdentifier, lrouter.key());
  82
  83             if (operationalRouterOptional.isPresent()
  84                     && operationalRouterOptional.get().getLogicalRouterUuid() != null) {
  85                 LogicalRouter logicalRouter = transaction.getTypedRowSchema(LogicalRouter.class);
  86                 UUID logicalRouterUuid = new UUID(operationalRouterOptional.get().getLogicalRouterUuid().getValue());
  87                 transaction.add(op.delete(logicalRouter.getSchema())
  88                         .where(logicalRouter.getUuidColumn().getSchema().opEqual(logicalRouterUuid)).build());
  89                 transaction.add(op.comment("Logical Router: Deleting " + lrouter.getHwvtepNodeName().getValue()));
  90                 updateControllerTxHistory(TransactionType.DELETE, logicalRouter);
  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 Map<LogicalRoutersKey, LogicalRouters> getData(final HwvtepGlobalAugmentation augmentation) {
 100         return augmentation.getLogicalRouters();
 101     }
 102
 103     @Override
 104     protected boolean areEqual(final LogicalRouters routers1, final LogicalRouters routers2) {
 105         return routers1.key().equals(routers2.key());
 106     }
 107
 108     @Override
 109     public boolean isDeleteCmd() {
 110         return true;
 111     }
 112 }