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 java.util.ArrayList;
  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.Manager;
  21 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
  22 import org.opendaylight.ovsdb.southbound.OvsdbConnectionInstance;
  23 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Uri;
  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.ManagerEntry;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.node.attributes.ManagerEntryKey;
  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
  31 import com.google.common.base.Preconditions;
  32
  33 public class OvsdbManagersRemovedCommand extends AbstractTransactionCommand {
  34
  35     private Map<UUID, OpenVSwitch> oldOpenVSwitchRows;
  36     private Map<UUID, Manager> removedManagerRows;
  37     private Map<UUID, OpenVSwitch> updatedOpenVSwitchRows;
  38     private Map<UUID, Manager> updatedManagerRows;
  39
  40     public OvsdbManagersRemovedCommand(OvsdbConnectionInstance key,
  41             TableUpdates updates, DatabaseSchema dbSchema) {
  42         super(key, updates, dbSchema);
  43         updatedOpenVSwitchRows = TyperUtils.extractRowsUpdated(OpenVSwitch.class, getUpdates(), getDbSchema());
  44         oldOpenVSwitchRows = TyperUtils.extractRowsOld(OpenVSwitch.class, getUpdates(), getDbSchema());
  45         updatedManagerRows = TyperUtils.extractRowsUpdated(Manager.class, getUpdates(), getDbSchema());
  46         removedManagerRows = TyperUtils.extractRowsRemoved(Manager.class,
  47                 getUpdates(), getDbSchema());
  48     }
  49
  50     @Override
  51     public void execute(ReadWriteTransaction transaction) {
  52         for (OpenVSwitch openVSwitch : updatedOpenVSwitchRows.values()) {
  53             InstanceIdentifier<Node> ovsdbNodeIid =
  54                     SouthboundMapper.createInstanceIdentifier(getOvsdbConnectionInstance().getNodeId());
  55             deleteManagers(transaction, managerEntriesToRemove(ovsdbNodeIid,openVSwitch));
  56         }
  57     }
  58
  59     private 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     private List<InstanceIdentifier<ManagerEntry>> managerEntriesToRemove(
  67             InstanceIdentifier<Node> ovsdbNodeIid, OpenVSwitch openVSwitch) {
  68         Preconditions.checkNotNull(ovsdbNodeIid);
  69         Preconditions.checkNotNull(openVSwitch);
  70
  71         List<InstanceIdentifier<ManagerEntry>> result =
  72                 new ArrayList<>();
  73         OpenVSwitch oldOvsdbNode = oldOpenVSwitchRows.get(openVSwitch.getUuid());
  74
  75         if (oldOvsdbNode != null && oldOvsdbNode.getManagerOptionsColumn() != null) {
  76             for (UUID managerUuid: oldOvsdbNode.getManagerOptionsColumn().getData()) {
  77                 if (openVSwitch.getManagerOptionsColumn() == null
  78                         || !openVSwitch.getManagerOptionsColumn().getData().contains(managerUuid)) {
  79                     Manager manager = removedManagerRows.get(managerUuid);
  80                     if (!checkIfManagerPresentInUpdatedManagersList(manager)) {
  81                         if (manager != null && manager.getTargetColumn() != null) {
  82                             InstanceIdentifier<ManagerEntry> iid = ovsdbNodeIid
  83                                     .augmentation(OvsdbNodeAugmentation.class)
  84                                     .child(ManagerEntry.class,
  85                                             new ManagerEntryKey(
  86                                                     new Uri(manager.getTargetColumn().getData())));
  87                             result.add(iid);
  88                         }
  89
  90                     }
  91                 }
  92             }
  93         }
  94         return result;
  95     }
  96
  97     private boolean checkIfManagerPresentInUpdatedManagersList(Manager removedManager) {
  98         for (Map.Entry<UUID, Manager> updatedManager : updatedManagerRows.entrySet()) {
  99             if (updatedManager.getValue().getTargetColumn().getData()
 100                     .equals(removedManager.getTargetColumn().getData())) {
 101                 return true;
 102             }
 103         }
 104         return false;
 105     }
 106
 107 }