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.List;
  12 import java.util.Map;
  13
  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 import com.google.common.base.Optional;
  34
  35 public class OvsdbAutoAttachRemovedCommand extends AbstractTransactionCommand {
  36     private static final Logger LOG = LoggerFactory.getLogger(OvsdbAutoAttachRemovedCommand.class);
  37
  38     private Map<UUID, AutoAttach> removedAutoAttachRows;
  39
  40     public OvsdbAutoAttachRemovedCommand(OvsdbConnectionInstance key,
  41             TableUpdates updates, DatabaseSchema dbSchema) {
  42         super(key, updates, dbSchema);
  43         try {
  44             removedAutoAttachRows = TyperUtils.extractRowsRemoved(AutoAttach.class, getUpdates(), getDbSchema());
  45         } catch (final IllegalArgumentException e) {
  46             LOG.info("UNSUPPORTED FUNCTIONALITY: AutoAttach not supported on this OVS", e.getMessage());
  47         }
  48     }
  49
  50     @Override
  51     public void execute(ReadWriteTransaction transaction) {
  52         final InstanceIdentifier<Node> nodeIId = getOvsdbConnectionInstance().getInstanceIdentifier();
  53         final Optional<Node> ovsdbNode = SouthboundUtil.readNode(transaction, nodeIId);
  54         if (ovsdbNode.isPresent() && removedAutoAttachRows != null && !removedAutoAttachRows.isEmpty()) {
  55             final InstanceIdentifier<Node> ovsdbNodeIid =
  56                     SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance().getNodeId());
  57             // FIXME: Iterate on external_ids instead of uuid when Open vSwitch supports external_ids column
  58             for (final UUID autoAttachUuid : removedAutoAttachRows.keySet()) {
  59                 final AutoattachKey autoAttachKey = getAutoAttachKeyToRemove(ovsdbNode.get(), autoAttachUuid);
  60                 if (autoAttachKey != null) {
  61                     final InstanceIdentifier<Autoattach> iid = ovsdbNodeIid
  62                             .augmentation(OvsdbNodeAugmentation.class)
  63                             .child(Autoattach.class, autoAttachKey);
  64                     transaction.delete(LogicalDatastoreType.OPERATIONAL, iid);
  65                     LOG.debug("AutoAttach table {} for Ovsdb Node {} is deleted", autoAttachUuid.toString(),
  66                             ovsdbNode.get().getNodeId());
  67                 } else {
  68                     LOG.warn("AutoAttach table {} not found for Ovsdb Node {} to delete", autoAttachUuid.toString(),
  69                             ovsdbNode.get().getNodeId());
  70                 }
  71             }
  72         }
  73     }
  74
  75     private AutoattachKey getAutoAttachKeyToRemove(Node node, UUID autoAttachUuid) {
  76         final List<Autoattach> autoAttachList = node.getAugmentation(OvsdbNodeAugmentation.class).getAutoattach();
  77         if (autoAttachList == null || autoAttachList.isEmpty()) {
  78             return null;
  79         }
  80         for (final Autoattach autoAttach : autoAttachList) {
  81             if (autoAttach.getAutoattachUuid()
  82                     .equals(new Uuid(autoAttachUuid.toString()))) {
  83                 return autoAttach.getKey();
  84             }
  85         }
  86         return null;
  87     }
  88 }