southbound/southbound-impl/src/main/java/org/opendaylight/ovsdb/southbound/ovsdb/transact/ControllerUpdateCommand.java

   1 /*
   2  * Copyright (c) 2014 Cisco 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.ovsdb.transact;
   9
  10 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
  11
  12 import java.util.Map;
  13 import java.util.Map.Entry;
  14
  15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  16 import org.opendaylight.ovsdb.lib.notation.Mutator;
  17 import org.opendaylight.ovsdb.lib.notation.UUID;
  18 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
  19 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
  20 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
  21 import org.opendaylight.ovsdb.schema.openvswitch.Controller;
  22 import org.opendaylight.ovsdb.southbound.SouthboundMapper;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.ovsdb.bridge.attributes.ControllerEntry;
  25 import org.opendaylight.yangtools.yang.binding.DataObject;
  26 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  27
  28 import com.google.common.base.Optional;
  29 import com.google.common.collect.Sets;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class ControllerUpdateCommand implements TransactCommand {
  34     private static final Logger LOG = LoggerFactory.getLogger(ControllerUpdateCommand.class);
  35
  36     @Override
  37     public void execute(TransactionBuilder transaction, BridgeOperationalState state,
  38                         AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> events) {
  39         execute(transaction, state, TransactUtils.extractCreatedOrUpdated(events, ControllerEntry.class),
  40                 TransactUtils.extractCreatedOrUpdated(events, OvsdbBridgeAugmentation.class));
  41     }
  42
  43     private void execute(TransactionBuilder transaction, BridgeOperationalState state,
  44                          Map<InstanceIdentifier<ControllerEntry>, ControllerEntry> controllers,
  45                          Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> bridges) {
  46         LOG.info("execute: controllers: {} --- bridges: {}", controllers, bridges);
  47         for (Entry<InstanceIdentifier<ControllerEntry>, ControllerEntry> entry: controllers.entrySet()) {
  48             Optional<ControllerEntry> operationalControllerEntryOptional =
  49                     state.getControllerEntry(entry.getKey());
  50             if (!operationalControllerEntryOptional.isPresent()) {
  51                 InstanceIdentifier<OvsdbBridgeAugmentation> bridgeIid =
  52                         entry.getKey().firstIdentifierOf(OvsdbBridgeAugmentation.class);
  53                 Optional<OvsdbBridgeAugmentation> bridgeOptional =
  54                         state.getOvsdbBridgeAugmentation(bridgeIid);
  55                 OvsdbBridgeAugmentation ovsdbBridge = bridgeOptional.or(bridges.get(bridgeIid));
  56                 if (ovsdbBridge != null
  57                         && ovsdbBridge.getBridgeName() != null
  58                         && entry.getValue() != null
  59                         && entry.getValue().getTarget() != null) {
  60                     Controller controller =
  61                             TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Controller.class);
  62                     controller.setTarget(entry.getValue().getTarget().getValue());
  63                     String controllerNamedUuidString = SouthboundMapper.getRandomUUID();
  64                     UUID controllerNamedUuid = new UUID(controllerNamedUuidString);
  65                     transaction.add(op.insert(controller).withId(controllerNamedUuidString));
  66
  67                     Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class);
  68                     bridge.setName(ovsdbBridge.getBridgeName().getValue());
  69                     bridge.setController(Sets.newHashSet(controllerNamedUuid));
  70                     LOG.info("execute: bridge: {}", bridge);
  71                     transaction.add(op.mutate(bridge)
  72                             .addMutation(bridge.getControllerColumn().getSchema(), Mutator.INSERT,
  73                                     bridge.getControllerColumn().getData())
  74                             .where(bridge.getNameColumn().getSchema().opEqual(bridge.getNameColumn().getData()))
  75                             .build());
  76                 }
  77             }
  78         }
  79         LOG.info("execute: transaction: {}", transaction.build());
  80
  81     }
  82
  83 }