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 com.google.common.base.Optional;
  12 import java.util.List;
  13 import java.util.Map;
  14 import org.opendaylight.controller.md.sal.binding.api.ReadWriteTransaction;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  17 import org.opendaylight.ovsdb.lib.notation.UUID;
  18 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  19 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  20 import org.opendaylight.ovsdb.schema.openvswitch.AutoAttach;
  21 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  22 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  23 import org.opendaylight.ovsdb.southbound.SouthboundUtil;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.Autoattach;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.AutoattachKey;
  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 OvsdbAutoAttachRemovedCommand extends AbstractTransactionCommand {
  34     private static final Logger LOG = LoggerFactory.getLogger(OvsdbAutoAttachRemovedCommand.class);
  35
  36     private Map<UUID, AutoAttach> removedAutoAttachRows;
  37
  38     public OvsdbAutoAttachRemovedCommand(OvsdbConnectionInstance key,
  39             TableUpdates updates, DatabaseSchema dbSchema) {
  40         super(key, updates, dbSchema);
  41         removedAutoAttachRows = TyperUtils.extractRowsRemoved(AutoAttach.class, getUpdates(), getDbSchema());
  42     }
  43
  44     @Override
  45     public void execute(ReadWriteTransaction transaction) {
  46         if (removedAutoAttachRows == null || removedAutoAttachRows.isEmpty()) {
  47             return;
  48         }
  49
  50         final InstanceIdentifier<Node> nodeIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  51         final Optional<Node> ovsdbNode = SouthboundUtil.readNode(transaction, nodeIId);
  52         if (ovsdbNode.isPresent()) {
  53             final InstanceIdentifier<Node> ovsdbNodeIid =
  54                     SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance().getNodeId());
  55             // FIXME: Iterate on external_ids instead of uuid when Open vSwitch supports external_ids column
  56             for (final UUID autoAttachUuid : removedAutoAttachRows.keySet()) {
  57                 final AutoattachKey autoAttachKey = getAutoAttachKeyToRemove(ovsdbNode.get(), autoAttachUuid);
  58                 if (autoAttachKey != null) {
  59                     final InstanceIdentifier<Autoattach> iid = ovsdbNodeIid
  60                             .augmentation(OvsdbNodeAugmentation.class)
  61                             .child(Autoattach.class, autoAttachKey);
  62                     transaction.delete(LogicalDatastoreType.OPERATIONAL, iid);
  63                     LOG.debug("AutoAttach table {} for Ovsdb Node {} is deleted", autoAttachUuid,
  64                             ovsdbNode.get().getNodeId());
  65                 } else {
  66                     LOG.warn("AutoAttach table {} not found for Ovsdb Node {} to delete", autoAttachUuid,
  67                             ovsdbNode.get().getNodeId());
  68                 }
  69             }
  70         }
  71     }
  72
  73     private AutoattachKey getAutoAttachKeyToRemove(Node node, UUID autoAttachUuid) {
  74         final List<Autoattach> autoAttachList = node.augmentation(OvsdbNodeAugmentation.class).getAutoattach();
  75         if (autoAttachList == null || autoAttachList.isEmpty()) {
  76             return null;
  77         }
  78         for (final Autoattach autoAttach : autoAttachList) {
  79             if (autoAttach.getAutoattachUuid()
  80                     .equals(new Uuid(autoAttachUuid.toString()))) {
  81                 return autoAttach.key();
  82             }
  83         }
  84         return null;
  85     }
  86 }