Examples with LearnersOpResponse org.apache.ignite.raft.jraft.rpc.CliRequests.LearnersOpResponse used on opensource projects

Example 1 with LearnersOpResponse

use of org.apache.ignite.raft.jraft.rpc.CliRequests.LearnersOpResponse in project ignite-3 by apache.

the class RaftGroupServiceImpl method addLearners.

/**
 * {@inheritDoc}
 */
@Override
public CompletableFuture<Void> addLearners(List<Peer> learners) {
    Peer leader = this.leader;
    if (leader == null)
        return refreshLeader().thenCompose(res -> addLearners(learners));
    List<String> lrns = learners.stream().map(p -> PeerId.fromPeer(p).toString()).collect(Collectors.toList());
    AddLearnersRequest req = factory.addLearnersRequest().groupId(groupId).learnersList(lrns).build();
    CompletableFuture<LearnersOpResponse> fut = new CompletableFuture<>();
    sendWithRetry(leader, req, currentTimeMillis() + timeout, fut);
    return fut.thenApply(resp -> {
        this.learners = parsePeerList(resp.newLearnersList());
        return null;
    });
}

Example 2 with LearnersOpResponse

use of org.apache.ignite.raft.jraft.rpc.CliRequests.LearnersOpResponse in project ignite-3 by apache.

the class CliServiceImpl method processLearnersOpResponse.

private Status processLearnersOpResponse(final String groupId, final Message result, final String fmt, final Object... formatArgs) {
    if (result instanceof LearnersOpResponse) {
        final LearnersOpResponse resp = (LearnersOpResponse) result;
        final Configuration oldConf = new Configuration();
        for (final String peerIdStr : resp.oldLearnersList()) {
            final PeerId oldPeer = new PeerId();
            oldPeer.parse(peerIdStr);
            oldConf.addLearner(oldPeer);
        }
        final Configuration newConf = new Configuration();
        for (final String peerIdStr : resp.newLearnersList()) {
            final PeerId newPeer = new PeerId();
            newPeer.parse(peerIdStr);
            newConf.addLearner(newPeer);
        }
        LOG.info("Learners of replication group {} changed from {} to {} after {}.", groupId, oldConf, newConf, String.format(fmt, formatArgs));
        return Status.OK();
    } else {
        return statusFromResponse(result);
    }
}

Example 3 with LearnersOpResponse

use of org.apache.ignite.raft.jraft.rpc.CliRequests.LearnersOpResponse in project ignite-3 by apache.

the class RaftGroupServiceImpl method removeLearners.

/**
 * {@inheritDoc}
 */
@Override
public CompletableFuture<Void> removeLearners(List<Peer> learners) {
    Peer leader = this.leader;
    if (leader == null)
        return refreshLeader().thenCompose(res -> removeLearners(learners));
    List<String> lrns = learners.stream().map(p -> PeerId.fromPeer(p).toString()).collect(Collectors.toList());
    RemoveLearnersRequest req = factory.removeLearnersRequest().groupId(groupId).learnersList(lrns).build();
    CompletableFuture<LearnersOpResponse> fut = new CompletableFuture<>();
    sendWithRetry(leader, req, currentTimeMillis() + timeout, fut);
    return fut.thenApply(resp -> {
        this.learners = parsePeerList(resp.newLearnersList());
        return null;
    });
}

Example 4 with LearnersOpResponse

use of org.apache.ignite.raft.jraft.rpc.CliRequests.LearnersOpResponse in project ignite-3 by apache.

the class RaftGroupServiceImpl method resetLearners.

/**
 * {@inheritDoc}
 */
@Override
public CompletableFuture<Void> resetLearners(List<Peer> learners) {
    Peer leader = this.leader;
    if (leader == null)
        return refreshLeader().thenCompose(res -> resetLearners(learners));
    List<String> lrns = learners.stream().map(p -> PeerId.fromPeer(p).toString()).collect(Collectors.toList());
    ResetLearnersRequest req = factory.resetLearnersRequest().groupId(groupId).learnersList(lrns).build();
    CompletableFuture<LearnersOpResponse> fut = new CompletableFuture<>();
    sendWithRetry(leader, req, currentTimeMillis() + timeout, fut);
    return fut.thenApply(resp -> {
        this.learners = parsePeerList(resp.newLearnersList());
        return null;
    });
}

Example 5 with LearnersOpResponse

use of org.apache.ignite.raft.jraft.rpc.CliRequests.LearnersOpResponse in project ignite-3 by apache.

the class AddLearnersRequestProcessor method processRequest0.

@Override
protected Message processRequest0(final CliRequestContext ctx, final AddLearnersRequest request, final IgniteCliRpcRequestClosure done) {
    final List<PeerId> oldLearners = ctx.node.listLearners();
    final List<PeerId> addingLearners = new ArrayList<>();
    for (final String peerStr : request.learnersList()) {
        final PeerId peer = new PeerId();
        if (!peer.parse(peerStr)) {
            return // 
            RaftRpcFactory.DEFAULT.newResponse(msgFactory(), RaftError.EINVAL, "Fail to parse peer id %s", peerStr);
        }
        addingLearners.add(peer);
    }
    LOG.info("Receive AddLearnersRequest to {} from {}, adding {}.", ctx.node.getNodeId(), done.getRpcCtx().getRemoteAddress(), addingLearners);
    ctx.node.addLearners(addingLearners, status -> {
        if (!status.isOk()) {
            done.run(status);
        } else {
            List<String> oldLearnersList = new ArrayList<>();
            List<String> newLearnersList = new ArrayList<>();
            for (final PeerId peer : oldLearners) {
                oldLearnersList.add(peer.toString());
                newLearnersList.add(peer.toString());
            }
            for (final PeerId peer : addingLearners) {
                if (!oldLearners.contains(peer)) {
                    newLearnersList.add(peer.toString());
                }
            }
            LearnersOpResponse req = msgFactory().learnersOpResponse().oldLearnersList(oldLearnersList).newLearnersList(newLearnersList).build();
            done.sendResponse(req);
        }
    });
    return null;
}