Examples with Configuration io.dingodb.raft.conf.Configuration used on opensource projects

Example 16 with Configuration

use of io.dingodb.raft.conf.Configuration in project dingo by dingodb.

the class LogManagerImpl method confFromMeta.

private Configuration confFromMeta(final SnapshotMeta meta) {
    final Configuration conf = new Configuration();
    for (int i = 0; i < meta.getPeersCount(); i++) {
        final PeerId peer = new PeerId();
        peer.parse(meta.getPeers(i));
        conf.addPeer(peer);
    }
    for (int i = 0; i < meta.getLearnersCount(); i++) {
        final PeerId peer = new PeerId();
        peer.parse(meta.getLearners(i));
        conf.addLearner(peer);
    }
    return conf;
}

Example 17 with Configuration

use of io.dingodb.raft.conf.Configuration in project dingo by dingodb.

the class AbstractPlacementDriverClient method transferLeader.

@Override
public boolean transferLeader(final String regionId, final Peer peer, final boolean refreshConf) {
    Requires.requireNonNull(peer, "peer");
    Requires.requireNonNull(peer.getEndpoint(), "peer.endpoint");
    final String raftGroupId = JRaftHelper.getJRaftGroupId(this.clusterName, regionId);
    final Configuration conf = RouteTable.getInstance().getConfiguration(raftGroupId);
    final Status status = this.cliService.transferLeader(raftGroupId, conf, JRaftHelper.toJRaftPeerId(peer));
    if (status.isOk()) {
        if (refreshConf) {
            refreshRouteConfiguration(regionId);
        }
        return true;
    }
    LOG.error("Fail to [transferLeader], [regionId: {}, peer: {}], status: {}.", regionId, peer, status);
    return false;
}

Example 18 with Configuration

use of io.dingodb.raft.conf.Configuration in project dingo by dingodb.

the class AbstractPlacementDriverClient method getLuckyPeer.

@Override
public Endpoint getLuckyPeer(final String regionId, final boolean forceRefresh, final long timeoutMillis, final Endpoint unExpect) {
    final String raftGroupId = JRaftHelper.getJRaftGroupId(this.clusterName, regionId);
    final RouteTable routeTable = RouteTable.getInstance();
    if (forceRefresh) {
        final long deadline = System.currentTimeMillis() + timeoutMillis;
        final StringBuilder error = new StringBuilder();
        // or in the 'leader-transfer' state, it needs to be re-tried
        for (; ; ) {
            try {
                final Status st = routeTable.refreshConfiguration(this.cliClientService, raftGroupId, 5000);
                if (st.isOk()) {
                    break;
                }
                error.append(st.toString());
            } catch (final InterruptedException e) {
                ThrowUtil.throwException(e);
            } catch (final TimeoutException e) {
                error.append(e.getMessage());
            }
            if (System.currentTimeMillis() < deadline) {
                LOG.debug("Fail to get peers, retry again, {}.", error);
                error.append(", ");
                try {
                    Thread.sleep(5);
                } catch (final InterruptedException e) {
                    ThrowUtil.throwException(e);
                }
            } else {
                throw new RouteTableException(error.toString());
            }
        }
    }
    final Configuration configs = routeTable.getConfiguration(raftGroupId);
    if (configs == null) {
        throw new RouteTableException("empty configs in group: " + raftGroupId);
    }
    final List<PeerId> peerList = configs.getPeers();
    if (peerList == null || peerList.isEmpty()) {
        throw new RouteTableException("empty peers in group: " + raftGroupId);
    }
    final int size = peerList.size();
    if (size == 1) {
        return peerList.get(0).getEndpoint();
    }
    final RoundRobinLoadBalancer balancer = RoundRobinLoadBalancer.getInstance(regionId);
    for (int i = 0; i < size; i++) {
        final PeerId candidate = balancer.select(peerList);
        final Endpoint luckyOne = candidate.getEndpoint();
        if (!luckyOne.equals(unExpect)) {
            return luckyOne;
        }
    }
    throw new RouteTableException("have no choice in group(peers): " + raftGroupId);
}

Example 19 with Configuration

use of io.dingodb.raft.conf.Configuration in project dingo by dingodb.

the class AbstractPlacementDriverClient method addReplica.

@Override
public boolean addReplica(final String regionId, final Peer peer, final boolean refreshConf) {
    Requires.requireNonNull(peer, "peer");
    Requires.requireNonNull(peer.getEndpoint(), "peer.endpoint");
    final String raftGroupId = JRaftHelper.getJRaftGroupId(this.clusterName, regionId);
    final Configuration conf = RouteTable.getInstance().getConfiguration(raftGroupId);
    final Status status = this.cliService.addPeer(raftGroupId, conf, JRaftHelper.toJRaftPeerId(peer));
    if (status.isOk()) {
        if (refreshConf) {
            refreshRouteConfiguration(regionId);
        }
        return true;
    }
    LOG.error("Fail to [addReplica], [regionId: {}, peer: {}], status: {}.", regionId, peer, status);
    return false;
}

Example 20 with Configuration

use of io.dingodb.raft.conf.Configuration in project dingo by dingodb.

the class AbstractPlacementDriverClient method getLocalRegionMetadata.

protected Region getLocalRegionMetadata(final RegionEngineOptions opts) {
    final String regionId = Requires.requireNonNull(opts.getRegionId(), "opts.regionId");
    final byte[] startKey = opts.getStartKeyBytes();
    final byte[] endKey = opts.getEndKeyBytes();
    final String initialServerList = opts.getInitialServerList();
    final Region region = new Region();
    final Configuration conf = new Configuration();
    // region
    region.setId(regionId);
    region.setStartKey(startKey);
    region.setEndKey(endKey);
    region.setRegionEpoch(new RegionEpoch(-1, -1));
    // peers
    Requires.requireTrue(Strings.isNotBlank(initialServerList), "opts.initialServerList is blank");
    conf.parse(initialServerList);
    region.setPeers(JRaftHelper.toPeerList(conf.listPeers()));
    this.regionRouteTable.addOrUpdateRegion(region);
    return region;
}