1 package org.opendaylight.ovsdb.southbound.ovsdb.transact;
3 import static org.opendaylight.ovsdb.lib.operations.Operations.op;
7 import java.util.concurrent.ExecutionException;
9 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
10 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
11 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
13 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
14 import org.opendaylight.ovsdb.lib.notation.Mutator;
15 import org.opendaylight.ovsdb.lib.notation.UUID;
16 import org.opendaylight.ovsdb.lib.operations.TransactionBuilder;
17 import org.opendaylight.ovsdb.lib.schema.typed.TyperUtils;
18 import org.opendaylight.ovsdb.schema.openvswitch.Bridge;
19 import org.opendaylight.ovsdb.schema.openvswitch.OpenVSwitch;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.rev150105.OvsdbBridgeAugmentation;
21 import org.opendaylight.yangtools.yang.binding.DataObject;
22 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
23 import org.slf4j.Logger;
24 import org.slf4j.LoggerFactory;
26 import com.google.common.base.Optional;
27 import com.google.common.collect.Sets;
28 import com.google.common.util.concurrent.CheckedFuture;
30 public class BridgeRemovedCommand implements TransactCommand {
31 private static final Logger LOG = LoggerFactory.getLogger(BridgeRemovedCommand.class);
32 private AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes;
33 private DataBroker db;
35 public BridgeRemovedCommand(DataBroker db, AsyncDataChangeEvent<InstanceIdentifier<?>,
36 DataObject> changes) {
38 this.changes = changes;
42 public void execute(TransactionBuilder transaction) {
43 Set<InstanceIdentifier<OvsdbBridgeAugmentation>> removed =
44 TransactUtils.extractRemoved(changes,OvsdbBridgeAugmentation.class);
45 Map<InstanceIdentifier<OvsdbBridgeAugmentation>, OvsdbBridgeAugmentation> originals
46 = TransactUtils.extractOriginal(changes,OvsdbBridgeAugmentation.class);
47 for (InstanceIdentifier<OvsdbBridgeAugmentation> ovsdbManagedNodeIid: removed) {
48 LOG.info("Received request to delete ovsdb node {}",ovsdbManagedNodeIid);
49 OvsdbBridgeAugmentation original = originals.get(ovsdbManagedNodeIid);
50 Bridge bridge = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(), Bridge.class,null);
51 Optional<UUID> bridgeUuidOptional = getBridgeUUID(ovsdbManagedNodeIid);
52 if (bridgeUuidOptional.isPresent()) {
53 UUID bridgeUuid = bridgeUuidOptional.get();
54 OpenVSwitch ovs = TyperUtils.getTypedRowWrapper(transaction.getDatabaseSchema(),
55 OpenVSwitch.class,null);
56 transaction.add(op.delete(bridge.getSchema())
57 .where(bridge.getUuidColumn().getSchema().opEqual(bridgeUuid)).build());
58 transaction.add(op.comment("Bridge: Deleting " + original.getBridgeName()));
59 transaction.add(op.mutate(ovs.getSchema())
60 .addMutation(ovs.getBridgesColumn().getSchema(), Mutator.DELETE,
61 Sets.newHashSet(bridgeUuid)));
62 transaction.add(op.comment("Open_vSwitch: Mutating " + original.getBridgeName() + " " + bridgeUuid));
64 LOG.warn("Unable to delete bridge {} because it was not found in the operational store, "
65 + "and thus we cannot retrieve its UUID", ovsdbManagedNodeIid);
71 private Optional<UUID> getBridgeUUID(InstanceIdentifier<OvsdbBridgeAugmentation> ovsdbManagedNodeIid) {
72 Optional<UUID> result = Optional.absent();
73 ReadOnlyTransaction transaction = db.newReadOnlyTransaction();
74 CheckedFuture<Optional<OvsdbBridgeAugmentation>, ReadFailedException> future
75 = transaction.read(LogicalDatastoreType.OPERATIONAL, ovsdbManagedNodeIid);
76 Optional<OvsdbBridgeAugmentation> optional;
78 optional = future.get();
79 if (optional.isPresent()) {
80 OvsdbBridgeAugmentation bridge = (OvsdbBridgeAugmentation) optional.get();
81 if (bridge != null && bridge.getBridgeUuid() != null) {
82 result = Optional.of(new UUID(bridge.getBridgeUuid().getValue()));
85 } catch (InterruptedException e) {
86 LOG.warn("Unable to retrieve bridge from operational store",e);
87 } catch (ExecutionException e) {
88 LOG.warn("Unable to retrieve bridge from operational store",e);