southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/BridgeRemovedCommand.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc. 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.southbound.ovsdb.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.Map;
  15 import java.util.Optional;
  16 import java.util.Set;
  17 import org.opendaylight.mdsal.binding.api.DataTreeModification;
  18 import org.opendaylight.ovsdb.lib.notation.Mutator;
  19 import org.opendaylight.ovsdb.lib.notation.UUID;
  20 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  21 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  22 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  23 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class BridgeRemovedCommand implements TransactCommand {
  31     private static final Logger LOG = LoggerFactory.getLogger(BridgeRemovedCommand.class);
  32
  33     @Override
  34     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  35             final DataChangeEvent events, final InstanceIdentifierCodec instanceIdentifierCodec) {
  36         execute(transaction, state, TransactUtils.extractRemoved(events, OvsdbBridgeAugmentation.class),
  37                 TransactUtils.extractOriginal(events, OvsdbBridgeAugmentation.class));
  38     }
  39
  40     @Override
  41     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  42             final Collection<DataTreeModification<Node>> modifications,
  43             final InstanceIdentifierCodec instanceIdentifierCodec) {
  44         execute(transaction, state, TransactUtils.extractRemoved(modifications, OvsdbBridgeAugmentation.class),
  45                 TransactUtils.extractOriginal(modifications, OvsdbBridgeAugmentation.class));
  46     }
  47
  48     private static void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  49             final Set<InstanceIdentifier<OvsdbBridgeAugmentation>> removed,
  50             final Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> originals) {
  51         for (InstanceIdentifier<OvsdbBridgeAugmentation> ovsdbManagedNodeIid: removed) {
  52             LOG.debug("Received request to delete ovsdb node : {}",
  53                     ovsdbManagedNodeIid);
  54             OvsdbBridgeAugmentation original = originals.get(ovsdbManagedNodeIid);
  55             Bridge bridge = transaction.getTypedRowSchema(Bridge.class);
  56             Optional<OvsdbBridgeAugmentation> ovsdbAugmentationOptional = state
  57                     .getOvsdbBridgeAugmentation(ovsdbManagedNodeIid);
  58             if (ovsdbAugmentationOptional.isPresent() && ovsdbAugmentationOptional.get().getBridgeUuid() != null) {
  59                 UUID bridgeUuid = new UUID(ovsdbAugmentationOptional.get().getBridgeUuid().getValue());
  60                 OpenVSwitch ovs = transaction.getTypedRowSchema(OpenVSwitch.class);
  61                 transaction.add(op.delete(bridge.getSchema())
  62                         .where(bridge.getUuidColumn().getSchema().opEqual(bridgeUuid)).build());
  63                 transaction.add(op.comment("Bridge: Deleting " + original.getBridgeName()));
  64                 transaction.add(op.mutate(ovs.getSchema())
  65                         .addMutation(ovs.getBridgesColumn().getSchema(), Mutator.DELETE,
  66                                 Collections.singleton(bridgeUuid)));
  67                 transaction.add(op.comment("Open_vSwitch: Mutating " + original.getBridgeName() + " " + bridgeUuid));
  68                 LOG.info("Bridge Deleted: {}", ovsdbManagedNodeIid);
  69             } else {
  70                 LOG.warn("Unable to delete bridge {} because it was not found in the operational store, "
  71                         + "and thus we cannot retrieve its UUID", ovsdbManagedNodeIid);
  72             }
  73
  74         }
  75     }
  76 }