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

   1 /*
   2  * Copyright (c) 2015 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.transactions.md;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.VisibleForTesting;
  13 import java.util.ArrayList;
  14 import java.util.List;
  15 import java.util.Map;
  16 import org.opendaylight.mdsal.binding.api.ReadWriteTransaction;
  17 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  18 import org.opendaylight.ovsdb.lib.message.TableUpdates;
  19 import org.opendaylight.ovsdb.lib.notation.UUID;
  20 import org.opendaylight.ovsdb.lib.schema.DatabaseSchema;
  21 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  22 import org.opendaylight.ovsdb.schema.openvswitch.Manager;
  23 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  24 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  25 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbNodeAugmentation;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntry;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryKey;
  30 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
  31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  32
  33 public class OvsdbManagersRemovedCommand extends AbstractTransactionCommand {
  34     private final Map<UUID, OpenVSwitch> oldOpenVSwitchRows;
  35     private final Map<UUID, Manager> removedManagerRows;
  36     private final Map<UUID, OpenVSwitch> updatedOpenVSwitchRows;
  37     private final Map<UUID, Manager> updatedManagerRows;
  38
  39     public OvsdbManagersRemovedCommand(OvsdbConnectionInstance key,
  40             TableUpdates updates, DatabaseSchema dbSchema) {
  41         super(key, updates, dbSchema);
  42         updatedOpenVSwitchRows = TyperUtils.extractRowsUpdated(OpenVSwitch.class, getUpdates(), getDbSchema());
  43         oldOpenVSwitchRows = TyperUtils.extractRowsOld(OpenVSwitch.class, getUpdates(), getDbSchema());
  44         updatedManagerRows = TyperUtils.extractRowsUpdated(Manager.class, getUpdates(), getDbSchema());
  45         removedManagerRows = TyperUtils.extractRowsRemoved(Manager.class,
  46                 getUpdates(), getDbSchema());
  47     }
  48
  49     @Override
  50     public void execute(ReadWriteTransaction transaction) {
  51         for (OpenVSwitch openVSwitch : updatedOpenVSwitchRows.values()) {
  52             InstanceIdentifier<Node> ovsdbNodeIid =
  53                     SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance().getNodeId());
  54             deleteManagers(transaction, managerEntriesToRemove(ovsdbNodeIid,openVSwitch));
  55         }
  56     }
  57
  58     @VisibleForTesting
  59     void deleteManagers(ReadWriteTransaction transaction,
  60             List<InstanceIdentifier<ManagerEntry>> managerEntryIids) {
  61         for (InstanceIdentifier<ManagerEntry> managerEntryIid: managerEntryIids) {
  62             transaction.delete(LogicalDatastoreType.OPERATIONAL, managerEntryIid);
  63         }
  64     }
  65
  66     @VisibleForTesting
  67     List<InstanceIdentifier<ManagerEntry>> managerEntriesToRemove(
  68             InstanceIdentifier<Node> ovsdbNodeIid, OpenVSwitch openVSwitch) {
  69         requireNonNull(ovsdbNodeIid);
  70         requireNonNull(openVSwitch);
  71
  72         List<InstanceIdentifier<ManagerEntry>> result =
  73                 new ArrayList<>();
  74         OpenVSwitch oldOvsdbNode = oldOpenVSwitchRows.get(openVSwitch.getUuid());
  75
  76         if (oldOvsdbNode != null && oldOvsdbNode.getManagerOptionsColumn() != null) {
  77             for (UUID managerUuid: oldOvsdbNode.getManagerOptionsColumn().getData()) {
  78                 if (openVSwitch.getManagerOptionsColumn() == null
  79                         || !openVSwitch.getManagerOptionsColumn().getData().contains(managerUuid)) {
  80                     Manager manager = removedManagerRows.get(managerUuid);
  81                     if (!checkIfManagerPresentInUpdatedManagersList(manager)) {
  82                         if (manager != null && manager.getTargetColumn() != null) {
  83                             InstanceIdentifier<ManagerEntry> iid = ovsdbNodeIid
  84                                     .augmentation(OvsdbNodeAugmentation.class)
  85                                     .child(ManagerEntry.class,
  86                                             new ManagerEntryKey(
  87                                                     new Uri(manager.getTargetColumn().getData())));
  88                             result.add(iid);
  89                         }
  90
  91                     }
  92                 }
  93             }
  94         }
  95         return result;
  96     }
  97
  98     private boolean checkIfManagerPresentInUpdatedManagersList(Manager removedManager) {
  99         for (Map.Entry<UUID, Manager> updatedManager : updatedManagerRows.entrySet()) {
 100             if (updatedManager.getValue().getTargetColumn().getData()
 101                     .equals(removedManager.getTargetColumn().getData())) {
 102                 return true;
 103             }
 104         }
 105         return false;
 106     }
 107
 108 }