Examples with DiscoveryNode org.elasticsearch.cluster.node.DiscoveryNode used on opensource projects

Example 41 with DiscoveryNode

use of org.elasticsearch.cluster.node.DiscoveryNode in project elasticsearch by elastic.

the class VerifyRepositoryResponse method readFrom.

@Override
public void readFrom(StreamInput in) throws IOException {
    super.readFrom(in);
    clusterName = new ClusterName(in);
    nodes = new DiscoveryNode[in.readVInt()];
    for (int i = 0; i < nodes.length; i++) {
        nodes[i] = new DiscoveryNode(in);
    }
}

Example 42 with DiscoveryNode

use of org.elasticsearch.cluster.node.DiscoveryNode in project elasticsearch by elastic.

the class ClusterSearchShardsResponse method toXContent.

@Override
public XContentBuilder toXContent(XContentBuilder builder, Params params) throws IOException {
    builder.startObject();
    builder.startObject("nodes");
    for (DiscoveryNode node : nodes) {
        node.toXContent(builder, params);
    }
    builder.endObject();
    if (indicesAndFilters != null) {
        builder.startObject("indices");
        for (Map.Entry<String, AliasFilter> entry : indicesAndFilters.entrySet()) {
            String index = entry.getKey();
            builder.startObject(index);
            AliasFilter aliasFilter = entry.getValue();
            if (aliasFilter.getAliases().length > 0) {
                builder.array("aliases", aliasFilter.getAliases());
                builder.field("filter");
                aliasFilter.getQueryBuilder().toXContent(builder, params);
            }
            builder.endObject();
        }
        builder.endObject();
    }
    builder.startArray("shards");
    for (ClusterSearchShardsGroup group : groups) {
        group.toXContent(builder, params);
    }
    builder.endArray();
    builder.endObject();
    return builder;
}

Example 43 with DiscoveryNode

use of org.elasticsearch.cluster.node.DiscoveryNode in project elasticsearch by elastic.

the class CancelAllocationCommand method execute.

@Override
public RerouteExplanation execute(RoutingAllocation allocation, boolean explain) {
    DiscoveryNode discoNode = allocation.nodes().resolveNode(node);
    ShardRouting shardRouting = null;
    RoutingNodes routingNodes = allocation.routingNodes();
    RoutingNode routingNode = routingNodes.node(discoNode.getId());
    IndexMetaData indexMetaData = null;
    if (routingNode != null) {
        indexMetaData = allocation.metaData().index(index());
        if (indexMetaData == null) {
            throw new IndexNotFoundException(index());
        }
        ShardId shardId = new ShardId(indexMetaData.getIndex(), shardId());
        shardRouting = routingNode.getByShardId(shardId);
    }
    if (shardRouting == null) {
        if (explain) {
            return new RerouteExplanation(this, allocation.decision(Decision.NO, "cancel_allocation_command", "can't cancel " + shardId + ", failed to find it on node " + discoNode));
        }
        throw new IllegalArgumentException("[cancel_allocation] can't cancel " + shardId + ", failed to find it on node " + discoNode);
    }
    if (shardRouting.primary() && allowPrimary == false) {
        if ((shardRouting.initializing() && shardRouting.relocatingNodeId() != null) == false) {
            // only allow cancelling initializing shard of primary relocation without allowPrimary flag
            if (explain) {
                return new RerouteExplanation(this, allocation.decision(Decision.NO, "cancel_allocation_command", "can't cancel " + shardId + " on node " + discoNode + ", shard is primary and " + shardRouting.state().name().toLowerCase(Locale.ROOT)));
            }
            throw new IllegalArgumentException("[cancel_allocation] can't cancel " + shardId + " on node " + discoNode + ", shard is primary and " + shardRouting.state().name().toLowerCase(Locale.ROOT));
        }
    }
    routingNodes.failShard(Loggers.getLogger(CancelAllocationCommand.class), shardRouting, new UnassignedInfo(UnassignedInfo.Reason.REROUTE_CANCELLED, null), indexMetaData, allocation.changes());
    return new RerouteExplanation(this, allocation.decision(Decision.YES, "cancel_allocation_command", "shard " + shardId + " on node " + discoNode + " can be cancelled"));
}

Example 44 with DiscoveryNode

use of org.elasticsearch.cluster.node.DiscoveryNode in project elasticsearch by elastic.

the class MoveAllocationCommand method execute.

@Override
public RerouteExplanation execute(RoutingAllocation allocation, boolean explain) {
    DiscoveryNode fromDiscoNode = allocation.nodes().resolveNode(fromNode);
    DiscoveryNode toDiscoNode = allocation.nodes().resolveNode(toNode);
    Decision decision = null;
    boolean found = false;
    for (ShardRouting shardRouting : allocation.routingNodes().node(fromDiscoNode.getId())) {
        if (!shardRouting.shardId().getIndexName().equals(index)) {
            continue;
        }
        if (shardRouting.shardId().id() != shardId) {
            continue;
        }
        found = true;
        // TODO we can possibly support also relocating cases, where we cancel relocation and move...
        if (!shardRouting.started()) {
            if (explain) {
                return new RerouteExplanation(this, allocation.decision(Decision.NO, "move_allocation_command", "shard " + shardId + " has not been started"));
            }
            throw new IllegalArgumentException("[move_allocation] can't move " + shardId + ", shard is not started (state = " + shardRouting.state() + "]");
        }
        RoutingNode toRoutingNode = allocation.routingNodes().node(toDiscoNode.getId());
        decision = allocation.deciders().canAllocate(shardRouting, toRoutingNode, allocation);
        if (decision.type() == Decision.Type.NO) {
            if (explain) {
                return new RerouteExplanation(this, decision);
            }
            throw new IllegalArgumentException("[move_allocation] can't move " + shardId + ", from " + fromDiscoNode + ", to " + toDiscoNode + ", since its not allowed, reason: " + decision);
        }
        if (decision.type() == Decision.Type.THROTTLE) {
        // its being throttled, maybe have a flag to take it into account and fail? for now, just do it since the "user" wants it...
        }
        allocation.routingNodes().relocateShard(shardRouting, toRoutingNode.nodeId(), allocation.clusterInfo().getShardSize(shardRouting, ShardRouting.UNAVAILABLE_EXPECTED_SHARD_SIZE), allocation.changes());
    }
    if (!found) {
        if (explain) {
            return new RerouteExplanation(this, allocation.decision(Decision.NO, "move_allocation_command", "shard " + shardId + " not found"));
        }
        throw new IllegalArgumentException("[move_allocation] can't move " + shardId + ", failed to find it on node " + fromDiscoNode);
    }
    return new RerouteExplanation(this, decision);
}

Example 45 with DiscoveryNode

use of org.elasticsearch.cluster.node.DiscoveryNode in project elasticsearch by elastic.

the class RestMasterAction method buildTable.

private Table buildTable(RestRequest request, ClusterStateResponse state) {
    Table table = getTableWithHeader(request);
    DiscoveryNodes nodes = state.getState().nodes();
    table.startRow();
    DiscoveryNode master = nodes.get(nodes.getMasterNodeId());
    if (master == null) {
        table.addCell("-");
        table.addCell("-");
        table.addCell("-");
        table.addCell("-");
    } else {
        table.addCell(master.getId());
        table.addCell(master.getHostName());
        table.addCell(master.getHostAddress());
        table.addCell(master.getName());
    }
    table.endRow();
    return table;
}