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

   1 /*
   2  * Copyright © 2015, 2017 Brocade Communications 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 com.google.common.base.Optional;
  13 import java.util.Collection;
  14 import java.util.Collections;
  15 import java.util.Map;
  16 import java.util.Set;
  17 import org.opendaylight.controller.md.sal.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.Port;
  23 import org.opendaylight.ovsdb.southbound.InstanceIdentifierCodec;
  24 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbTerminationPointAugmentation;
  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.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 /**
  32  * Transaction handler for the TerminationPoints.
  33  *
  34  * @author avishnoi@brocade.com (Anil Vishnoi)
  35  */
  36 public class TerminationPointDeleteCommand implements TransactCommand {
  37     private static final Logger LOG = LoggerFactory.getLogger(TerminationPointDeleteCommand.class);
  38
  39     @Override
  40     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  41             final DataChangeEvent events, final InstanceIdentifierCodec instanceIdentifierCodec) {
  42         execute(transaction, state, TransactUtils.extractOriginal(events, OvsdbTerminationPointAugmentation.class),
  43                 TransactUtils.extractOriginal(events, Node.class),
  44                 TransactUtils.extractRemoved(events, OvsdbTerminationPointAugmentation.class));
  45     }
  46
  47     @Override
  48     public void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  49             final Collection<DataTreeModification<Node>> modifications,
  50             final InstanceIdentifierCodec instanceIdentifierCodec) {
  51         execute(transaction, state,
  52                 TransactUtils.extractOriginal(modifications, OvsdbTerminationPointAugmentation.class),
  53                 TransactUtils.extractOriginal(modifications, Node.class),
  54                 TransactUtils.extractRemoved(modifications, OvsdbTerminationPointAugmentation.class));
  55     }
  56
  57     private static void execute(final TransactionBuilder transaction, final BridgeOperationalState state,
  58             final Map<InstanceIdentifier<OvsdbTerminationPointAugmentation>,
  59                 OvsdbTerminationPointAugmentation> originals,
  60             final Map<InstanceIdentifier<Node>, Node> originalNodes,
  61             final Set<InstanceIdentifier<OvsdbTerminationPointAugmentation>> removedTps) {
  62         for (InstanceIdentifier<OvsdbTerminationPointAugmentation> removedTpIid: removedTps) {
  63             LOG.debug("Received request to delete termination point {}", removedTpIid);
  64             OvsdbTerminationPointAugmentation original = originals.get(removedTpIid);
  65             String bridgeName = SouthboundUtil.getBridgeNameFromOvsdbNodeId(removedTpIid.firstIdentifierOf(Node.class));
  66             if (bridgeName == null) {
  67                 LOG.error("Missing Bridge Name for Node {} during deletion of Port {}",
  68                         removedTpIid.firstIdentifierOf(Node.class), original.getName());
  69                 continue;
  70             }
  71             LOG.trace("Deleting port {} from bridge {}", original.getName(), bridgeName);
  72             Port port = transaction.getTypedRowSchema(Port.class);
  73             Optional<OvsdbTerminationPointAugmentation> tpAugmentation =
  74                     state.getOvsdbTerminationPointAugmentation(removedTpIid);
  75             if (tpAugmentation.isPresent()) {
  76                 OvsdbTerminationPointAugmentation tp = tpAugmentation.get();
  77                 if (tp.getPortUuid() != null) {
  78                     UUID portUuid = new UUID(tp.getPortUuid().getValue());
  79                     Bridge bridge = transaction.getTypedRowSchema(Bridge.class);
  80
  81                     transaction.add(op.delete(port.getSchema())
  82                             .where(port.getUuidColumn().getSchema().opEqual(portUuid)).build());
  83                     transaction.add(op.comment("Port: Deleting " + original.getName()
  84                             + " attached to " + bridgeName));
  85
  86                     transaction.add(op.mutate(bridge.getSchema())
  87                             .addMutation(bridge.getPortsColumn().getSchema(),
  88                                     Mutator.DELETE, Collections.singleton(portUuid))
  89                             .where(bridge.getNameColumn().getSchema().opEqual(bridgeName)).build());
  90
  91                     transaction.add(op.comment("Bridge: Mutating " + bridgeName
  92                             + " to remove port " + portUuid));
  93                     LOG.info("Deleted Termination Point : {} with uuid : {}",
  94                             original.getName(), portUuid);
  95                 } else {
  96                     LOG.warn("Unable to delete port {} from bridge  {} because it was not found in the operational "
  97                             + "store, operational store,  and thus we cannot retrieve its UUID",
  98                             bridgeName,original.getName());
  99                 }
 100             }
 101         }
 102     }
 103 }