import org.opendaylight.controller.cluster.datastore.messages.AddShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.ChangeShardMembersVotingStatus;
import org.opendaylight.controller.cluster.datastore.messages.FlipShardMembersVotingStatus;
+import org.opendaylight.controller.cluster.datastore.messages.GetShardRole;
+import org.opendaylight.controller.cluster.datastore.messages.GetShardRoleReply;
+import org.opendaylight.controller.cluster.datastore.messages.MakeLeaderLocal;
import org.opendaylight.controller.cluster.datastore.messages.RemovePrefixShardReplica;
import org.opendaylight.controller.cluster.datastore.messages.RemoveShardReplica;
import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshotList;
import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.controller.cluster.datastore.utils.ClusterUtils;
import org.opendaylight.controller.cluster.raft.client.messages.GetSnapshot;
import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.AddPrefixShardReplicaInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.DataStoreType;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.FlipMemberVotingStatesForAllShardsOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.FlipMemberVotingStatesForAllShardsOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.GetPrefixShardRoleInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.GetPrefixShardRoleOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.GetPrefixShardRoleOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.GetShardRoleInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.GetShardRoleOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.GetShardRoleOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.MakeLeaderLocalInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.cluster.admin.rev151013.RemoveAllShardReplicasOutputBuilder;
private final DistributedDataStoreInterface configDataStore;
private final DistributedDataStoreInterface operDataStore;
private final BindingNormalizedNodeSerializer serializer;
+ private final Timeout makeLeaderLocalTimeout;
public ClusterAdminRpcService(DistributedDataStoreInterface configDataStore,
DistributedDataStoreInterface operDataStore,
this.configDataStore = configDataStore;
this.operDataStore = operDataStore;
this.serializer = serializer;
+
+ this.makeLeaderLocalTimeout =
+ new Timeout(configDataStore.getActorContext().getDatastoreContext()
+ .getShardLeaderElectionTimeout().duration().$times(2));
}
@Override
return returnFuture;
}
+ @Override
+ public Future<RpcResult<Void>> makeLeaderLocal(final MakeLeaderLocalInput input) {
+ final String shardName = input.getShardName();
+ if (Strings.isNullOrEmpty(shardName)) {
+ return newFailedRpcResultFuture("A valid shard name must be specified");
+ }
+
+ DataStoreType dataStoreType = input.getDataStoreType();
+ if (dataStoreType == null) {
+ return newFailedRpcResultFuture("A valid DataStoreType must be specified");
+ }
+
+ ActorContext actorContext = dataStoreType == DataStoreType.Config
+ ? configDataStore.getActorContext()
+ : operDataStore.getActorContext();
+
+ LOG.info("Moving leader to local node {} for shard {}, datastoreType {}",
+ actorContext.getCurrentMemberName().getName(), shardName, dataStoreType);
+
+ final scala.concurrent.Future<ActorRef> localShardReply =
+ actorContext.findLocalShardAsync(shardName);
+
+ final scala.concurrent.Promise<Object> makeLeaderLocalAsk = akka.dispatch.Futures.promise();
+ localShardReply.onComplete(new OnComplete<ActorRef>() {
+ @Override
+ public void onComplete(final Throwable failure, final ActorRef actorRef) throws Throwable {
+ if (failure != null) {
+ LOG.warn("No local shard found for {} datastoreType {} - Cannot request leadership transfer to"
+ + " local shard.", shardName, failure);
+ makeLeaderLocalAsk.failure(failure);
+ } else {
+ makeLeaderLocalAsk
+ .completeWith(actorContext
+ .executeOperationAsync(actorRef, MakeLeaderLocal.INSTANCE, makeLeaderLocalTimeout));
+ }
+ }
+ }, actorContext.getClientDispatcher());
+
+ final SettableFuture<RpcResult<Void>> future = SettableFuture.create();
+ makeLeaderLocalAsk.future().onComplete(new OnComplete<Object>() {
+ @Override
+ public void onComplete(final Throwable failure, final Object success) throws Throwable {
+ if (failure != null) {
+ LOG.error("Leadership transfer failed for shard {}.", shardName, failure);
+ future.set(RpcResultBuilder.<Void>failed().withError(ErrorType.APPLICATION,
+ "leadership transfer failed", failure).build());
+ return;
+ }
+
+ LOG.debug("Leadership transfer complete");
+ future.set(RpcResultBuilder.<Void>success().build());
+ }
+ }, actorContext.getClientDispatcher());
+
+ return future;
+ }
+
@Override
public Future<RpcResult<Void>> addPrefixShardReplica(final AddPrefixShardReplicaInput input) {
"Failed to change member voting states");
}
+ @Override
+ public Future<RpcResult<GetShardRoleOutput>> getShardRole(final GetShardRoleInput input) {
+ final String shardName = input.getShardName();
+ if (Strings.isNullOrEmpty(shardName)) {
+ return newFailedRpcResultFuture("A valid shard name must be specified");
+ }
+
+ DataStoreType dataStoreType = input.getDataStoreType();
+ if (dataStoreType == null) {
+ return newFailedRpcResultFuture("A valid DataStoreType must be specified");
+ }
+
+ LOG.info("Getting role for shard {}, datastore type {}", shardName, dataStoreType);
+
+ final SettableFuture<RpcResult<GetShardRoleOutput>> returnFuture = SettableFuture.create();
+ ListenableFuture<GetShardRoleReply> future = sendMessageToShardManager(dataStoreType,
+ new GetShardRole(shardName));
+ Futures.addCallback(future, new FutureCallback<GetShardRoleReply>() {
+ @Override
+ public void onSuccess(final GetShardRoleReply reply) {
+ if (reply == null) {
+ returnFuture.set(ClusterAdminRpcService.<GetShardRoleOutput>newFailedRpcResultBuilder(
+ "No Shard role present. Please retry..").build());
+ return;
+ }
+ LOG.info("Successfully received role:{} for shard {}", reply.getRole(), shardName);
+ final GetShardRoleOutputBuilder builder = new GetShardRoleOutputBuilder();
+ if (reply.getRole() != null) {
+ builder.setRole(reply.getRole());
+ }
+ returnFuture.set(newSuccessfulResult(builder.build()));
+ }
+
+ @Override
+ public void onFailure(final Throwable failure) {
+ returnFuture.set(ClusterAdminRpcService.<GetShardRoleOutput>newFailedRpcResultBuilder(
+ "Failed to get shard role.", failure).build());
+ }
+ });
+
+ return returnFuture;
+ }
+
+ @Override
+ public Future<RpcResult<GetPrefixShardRoleOutput>> getPrefixShardRole(final GetPrefixShardRoleInput input) {
+ final InstanceIdentifier<?> identifier = input.getShardPrefix();
+ if (identifier == null) {
+ return newFailedRpcResultFuture("A valid shard identifier must be specified");
+ }
+
+ final DataStoreType dataStoreType = input.getDataStoreType();
+ if (dataStoreType == null) {
+ return newFailedRpcResultFuture("A valid DataStoreType must be specified");
+ }
+
+ LOG.info("Getting prefix shard role for shard: {}, datastore type {}", identifier, dataStoreType);
+
+ final YangInstanceIdentifier prefix = serializer.toYangInstanceIdentifier(identifier);
+ final String shardName = ClusterUtils.getCleanShardName(prefix);
+ final SettableFuture<RpcResult<GetPrefixShardRoleOutput>> returnFuture = SettableFuture.create();
+ ListenableFuture<GetShardRoleReply> future = sendMessageToShardManager(dataStoreType,
+ new GetShardRole(shardName));
+ Futures.addCallback(future, new FutureCallback<GetShardRoleReply>() {
+ @Override
+ public void onSuccess(final GetShardRoleReply reply) {
+ if (reply == null) {
+ returnFuture.set(ClusterAdminRpcService.<GetPrefixShardRoleOutput>newFailedRpcResultBuilder(
+ "No Shard role present. Please retry..").build());
+ return;
+ }
+
+ LOG.info("Successfully received role:{} for shard {}", reply.getRole(), shardName);
+ final GetPrefixShardRoleOutputBuilder builder = new GetPrefixShardRoleOutputBuilder();
+ if (reply.getRole() != null) {
+ builder.setRole(reply.getRole());
+ }
+ returnFuture.set(newSuccessfulResult(builder.build()));
+ }
+
+ @Override
+ public void onFailure(final Throwable failure) {
+ returnFuture.set(ClusterAdminRpcService.<GetPrefixShardRoleOutput>newFailedRpcResultBuilder(
+ "Failed to get shard role.", failure).build());
+ }
+ });
+
+ return returnFuture;
+ }
+
@Override
public Future<RpcResult<Void>> backupDatastore(final BackupDatastoreInput input) {
LOG.debug("backupDatastore: {}", input);