Examples with RequestLeadership org.opendaylight.controller.cluster.raft.messages.RequestLeadership used on opensource projects

Example 1 with RequestLeadership

use of org.opendaylight.controller.cluster.raft.messages.RequestLeadership in project controller by opendaylight.

the class LeadershipTransferIntegrationTest method sendFollower2RequestLeadershipTransferToLeader.

private void sendFollower2RequestLeadershipTransferToLeader() {
    testLog.info("sendFollower2RequestLeadershipTransferToLeader starting");
    leaderActor.tell(new RequestLeadership(follower2Id, requestLeadershipResultCollectorActor), ActorRef.noSender());
    testLog.info("sendFollower2RequestLeadershipTransferToLeader ending");
}

Example 2 with RequestLeadership

use of org.opendaylight.controller.cluster.raft.messages.RequestLeadership in project controller by opendaylight.

the class Shard method onMakeLeaderLocal.

private void onMakeLeaderLocal() {
    LOG.debug("{}: onMakeLeaderLocal received", persistenceId());
    if (isLeader()) {
        getSender().tell(new Status.Success(null), getSelf());
        return;
    }
    final ActorSelection leader = getLeader();
    if (leader == null) {
        // Leader is not present. The cluster is most likely trying to
        // elect a leader and we should let that run its normal course
        // TODO we can wait for the election to complete and retry the
        // request. We can also let the caller retry by sending a flag
        // in the response indicating the request is "reTryable".
        getSender().tell(new Failure(new LeadershipTransferFailedException("We cannot initiate leadership transfer to local node. " + "Currently there is no leader for " + persistenceId())), getSelf());
        return;
    }
    leader.tell(new RequestLeadership(getId(), getSender()), getSelf());
}

Example 3 with RequestLeadership

use of org.opendaylight.controller.cluster.raft.messages.RequestLeadership in project controller by opendaylight.

the class RaftActor method handleCommand.

/**
 * Handles a message.
 *
 * @deprecated This method is not final for testing purposes. DO NOT OVERRIDE IT, override
 * {@link #handleNonRaftCommand(Object)} instead.
 */
@Deprecated
@Override
protected // FIXME: make this method final once our unit tests do not need to override it
void handleCommand(final Object message) {
    if (serverConfigurationSupport.handleMessage(message, getSender())) {
        return;
    }
    if (snapshotSupport.handleSnapshotMessage(message, getSender())) {
        return;
    }
    if (message instanceof ApplyState) {
        ApplyState applyState = (ApplyState) message;
        if (!hasFollowers()) {
            // for single node, the capture should happen after the apply state
            // as we delete messages from the persistent journal which have made it to the snapshot
            // capturing the snapshot before applying makes the persistent journal and snapshot out of sync
            // and recovery shows data missing
            context.getReplicatedLog().captureSnapshotIfReady(applyState.getReplicatedLogEntry());
            context.getSnapshotManager().trimLog(context.getLastApplied());
        }
        possiblyHandleBehaviorMessage(message);
    } else if (message instanceof ApplyJournalEntries) {
        ApplyJournalEntries applyEntries = (ApplyJournalEntries) message;
        LOG.debug("{}: Persisting ApplyJournalEntries with index={}", persistenceId(), applyEntries.getToIndex());
        persistence().persistAsync(applyEntries, NoopProcedure.instance());
    } else if (message instanceof FindLeader) {
        getSender().tell(new FindLeaderReply(getLeaderAddress()), getSelf());
    } else if (message instanceof GetOnDemandRaftState) {
        onGetOnDemandRaftStats();
    } else if (message instanceof InitiateCaptureSnapshot) {
        captureSnapshot();
    } else if (message instanceof SwitchBehavior) {
        switchBehavior((SwitchBehavior) message);
    } else if (message instanceof LeaderTransitioning) {
        onLeaderTransitioning((LeaderTransitioning) message);
    } else if (message instanceof Shutdown) {
        onShutDown();
    } else if (message instanceof Runnable) {
        ((Runnable) message).run();
    } else if (message instanceof NoopPayload) {
        persistData(null, null, (NoopPayload) message, false);
    } else if (message instanceof RequestLeadership) {
        onRequestLeadership((RequestLeadership) message);
    } else if (!possiblyHandleBehaviorMessage(message)) {
        handleNonRaftCommand(message);
    }
}