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 edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  15 import java.util.Collection;
  16 import java.util.Collections;
  17 import java.util.List;
  18 import java.util.Map;
  19 import java.util.Map.Entry;
  20 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
  21 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepConnectionInstance;
  22 import org.opendaylight.ovsdb.hwvtepsouthbound.HwvtepSouthboundUtil;
  23 import org.opendaylight.ovsdb.lib.notation.UUID;
  24 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  25 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  26 import org.opendaylight.ovsdb.schema.hardwarevtep.LogicalRouter;
  27 import org.opendaylight.ovsdb.utils.mdsal.utils.TransactionType;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepGlobalAugmentation;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalRouters;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32 import org.slf4j.Logger;
  33 import org.slf4j.LoggerFactory;
  34
  35 public class LogicalRouterRemoveCommand extends AbstractTransactCommand<LogicalRouters, HwvtepGlobalAugmentation> {
  36     private static final Logger LOG = LoggerFactory.getLogger(LogicalRouterRemoveCommand.class);
  37
  38     public LogicalRouterRemoveCommand(HwvtepOperationalState state,
  39             Collection<DataTreeModification<Node>> changes) {
  40         super(state, changes);
  41     }
  42
  43     @Override
  44     public void execute(TransactionBuilder transaction) {
  45         Map<InstanceIdentifier<Node>, List<LogicalRouters>> removed =
  46               extractRemoved(getChanges(),LogicalRouters.class);
  47
  48         for (Entry<InstanceIdentifier<Node>, List<LogicalRouters>> created: removed.entrySet()) {
  49             if (!HwvtepSouthboundUtil.isEmpty(created.getValue())) {
  50                 getOperationalState().getDeviceInfo().scheduleTransaction(new TransactCommand() {
  51                     @Override
  52                     public void execute(TransactionBuilder transactionBuilder) {
  53                         HwvtepConnectionInstance connectionInstance = getDeviceInfo().getConnectionInstance();
  54                         HwvtepOperationalState operState = new HwvtepOperationalState(
  55                                 connectionInstance.getDataBroker(), connectionInstance, Collections.EMPTY_LIST);
  56                         hwvtepOperationalState = operState;
  57                         deviceTransaction = transactionBuilder;
  58                         LOG.debug("Running delete logical router in seperate tx {}", created.getKey());
  59                         removeLogicalRouter(transactionBuilder, created.getKey(), created.getValue());
  60                     }
  61
  62
  63                     @Override
  64                     public void onSuccess(TransactionBuilder deviceTransaction) {
  65                         LogicalRouterRemoveCommand.this.onSuccess(deviceTransaction);
  66                     }
  67
  68                     @Override
  69                     public void onFailure(TransactionBuilder deviceTransaction) {
  70                         LogicalRouterRemoveCommand.this.onFailure(deviceTransaction);
  71                     }
  72                 });
  73             }
  74         }
  75     }
  76
  77     @SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD",
  78             justification = "https://github.com/spotbugs/spotbugs/issues/811")
  79     private void removeLogicalRouter(TransactionBuilder transaction,
  80             final InstanceIdentifier<Node> instanceIdentifier, final List<LogicalRouters> routerList) {
  81         for (LogicalRouters lrouter: routerList) {
  82             LOG.debug("Removing logical router named: {}", lrouter.getHwvtepNodeName().getValue());
  83             Optional<LogicalRouters> operationalRouterOptional =
  84                     getOperationalState().getLogicalRouters(instanceIdentifier, lrouter.key());
  85
  86             if (operationalRouterOptional.isPresent()
  87                     && operationalRouterOptional.get().getLogicalRouterUuid() != null) {
  88                 LogicalRouter logicalRouter = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
  89                         LogicalRouter.class, null);
  90                 UUID logicalRouterUuid = new UUID(operationalRouterOptional.get().getLogicalRouterUuid().getValue());
  91                 transaction.add(op.delete(logicalRouter.getSchema())
  92                         .where(logicalRouter.getUuidColumn().getSchema().opEqual(logicalRouterUuid)).build());
  93                 transaction.add(op.comment("Logical Router: Deleting " + lrouter.getHwvtepNodeName().getValue()));
  94                 updateControllerTxHistory(TransactionType.DELETE, logicalRouter);
  95             } else {
  96                 LOG.warn("Unable to delete logical router {} because it was not found in the operational data store",
  97                         lrouter.getHwvtepNodeName().getValue());
  98             }
  99         }
 100     }
 101
 102     @Override
 103     protected List<LogicalRouters> getData(final HwvtepGlobalAugmentation augmentation) {
 104         return augmentation.getLogicalRouters();
 105     }
 106
 107     @Override
 108     protected boolean areEqual(final LogicalRouters routers1, final LogicalRouters routers2) {
 109         return routers1.key().equals(routers2.key());
 110     }
 111 }