southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/transactions/md/OvsdbAutoAttachRemovedCommand.java

   1 /*
   2  * Copyright (c) 2016 Inocybe Technologies 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.southbound.transactions.md;
  10
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
  14 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  15 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  16 import org.opendaylight.ovsdb.lib.notation.UUID;
  17 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  18 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  19 import org.opendaylight.ovsdb.schema.openvswitch.AutoAttach;
  20 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  21 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  22 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.Autoattach;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.AutoattachKey;
  27 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  28 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  29 import org.slf4j.Logger;
  30 import org.slf4j.LoggerFactory;
  31
  32 public class OvsdbAutoAttachRemovedCommand extends AbstractTransactionCommand {
  33     private static final Logger LOG = LoggerFactory.getLogger(OvsdbAutoAttachRemovedCommand.class);
  34
  35     private final Map<UUID, AutoAttach> removedAutoAttachRows;
  36
  37     public OvsdbAutoAttachRemovedCommand(OvsdbConnectionInstance key,
  38             TableUpdates updates, DatabaseSchema dbSchema) {
  39         super(key, updates, dbSchema);
  40         removedAutoAttachRows = TyperUtils.extractRowsRemoved(AutoAttach.class, getUpdates(), getDbSchema());
  41     }
  42
  43     @Override
  44     public void execute(ReadWriteTransaction transaction) {
  45         if (removedAutoAttachRows == null || removedAutoAttachRows.isEmpty()) {
  46             return;
  47         }
  48
  49         final InstanceIdentifier<Node> nodeIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  50         final Optional<Node> ovsdbNode = SouthboundUtil.readNode(transaction, nodeIId);
  51         if (ovsdbNode.isPresent()) {
  52             final InstanceIdentifier<Node> ovsdbNodeIid =
  53                     SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance().getNodeId());
  54             // FIXME: Iterate on external_ids instead of uuid when Open vSwitch supports external_ids column
  55             for (final UUID autoAttachUuid : removedAutoAttachRows.keySet()) {
  56                 final AutoattachKey autoAttachKey = getAutoAttachKeyToRemove(ovsdbNode.get(), autoAttachUuid);
  57                 if (autoAttachKey != null) {
  58                     final InstanceIdentifier<Autoattach> iid = ovsdbNodeIid
  59                             .augmentation(OvsdbNodeAugmentation.class)
  60                             .child(Autoattach.class, autoAttachKey);
  61                     transaction.delete(LogicalDatastoreType.OPERATIONAL, iid);
  62                     LOG.debug("AutoAttach table {} for Ovsdb Node {} is deleted", autoAttachUuid,
  63                             ovsdbNode.get().getNodeId());
  64                 } else {
  65                     LOG.warn("AutoAttach table {} not found for Ovsdb Node {} to delete", autoAttachUuid,
  66                             ovsdbNode.get().getNodeId());
  67                 }
  68             }
  69         }
  70     }
  71
  72     private AutoattachKey getAutoAttachKeyToRemove(Node node, UUID autoAttachUuid) {
  73         final Map<AutoattachKey, Autoattach> autoAttachList =
  74                 node.augmentation(OvsdbNodeAugmentation.class).getAutoattach();
  75         if (autoAttachList == null || autoAttachList.isEmpty()) {
  76             return null;
  77         }
  78         for (final Autoattach autoAttach : autoAttachList.values()) {
  79             if (autoAttach.getAutoattachUuid().equals(new Uuid(autoAttachUuid.toString()))) {
  80                 return autoAttach.key();
  81             }
  82         }
  83         return null;
  84     }
  85 }