Package org.elasticsearch.cluster.metadata

Examples of org.elasticsearch.cluster.metadata.IndexMetaData

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        assertAcked(client().admin().indices().prepareClose("test"));

        assertAcked(client().admin().indices().prepareOpen("test"));

        for (Client client : clients()) {
            IndexMetaData indexMetaData = getLocalClusterState(client).metaData().indices().get("test");
            assertThat(indexMetaData.getState(), equalTo(State.OPEN));
        }
    }
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    private Decision underCapacity(ShardRouting shardRouting, RoutingNode node, RoutingAllocation allocation, boolean moveToNode) {
        if (awarenessAttributes.length == 0) {
            return allocation.decision(Decision.YES, NAME, "no allocation awareness enabled");
        }

        IndexMetaData indexMetaData = allocation.metaData().index(shardRouting.index());
        int shardCount = indexMetaData.numberOfReplicas() + 1; // 1 for primary
        for (String awarenessAttribute : awarenessAttributes) {
            // the node the shard exists on must be associated with an awareness attribute
            if (!node.node().attributes().containsKey(awarenessAttribute)) {
                return allocation.decision(Decision.NO, NAME, "node does not contain awareness attribute: [%s]", awarenessAttribute);
            }
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            // TODO: Check if metadata needs to be written
            try (OutputStream output = snapshotsBlobContainer.createOutput(metaDataBlobName(snapshotId))) {
                writeGlobalMetaData(metaData, output);
            }
            for (String index : indices) {
                final IndexMetaData indexMetaData = metaData.index(index);
                final BlobPath indexPath = basePath().add("indices").add(index);
                final BlobContainer indexMetaDataBlobContainer = blobStore().blobContainer(indexPath);
                try (OutputStream output = indexMetaDataBlobContainer.createOutput(snapshotBlobName(snapshotId))) {
                    StreamOutput stream = new OutputStreamStreamOutput(output);
                    if (isCompress()) {
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                    indexMetaDataBlobContainer.deleteBlob(blobName);
                } catch (IOException ex) {
                    logger.warn("[{}] failed to delete metadata for index [{}]", ex, snapshotId, index);
                }
                if (metaData != null) {
                    IndexMetaData indexMetaData = metaData.index(index);
                    if (indexMetaData != null) {
                        for (int i = 0; i < indexMetaData.getNumberOfShards(); i++) {
                            ShardId shardId = new ShardId(index, i);
                            try {
                                indexShardRepository.delete(snapshotId, shardId);
                            } catch (IndexShardException | SnapshotException ex) {
                                logger.warn("[{}] failed to delete shard data for shard [{}]", ex, snapshotId, shardId);
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            try (InputStream blob = indexMetaDataBlobContainer.openInput(snapshotBlobName(snapshotId))) {
                byte[] data = ByteStreams.toByteArray(blob);
                try (XContentParser parser = XContentHelper.createParser(data, 0, data.length)) {
                    XContentParser.Token token;
                    if ((token = parser.nextToken()) == XContentParser.Token.START_OBJECT) {
                        IndexMetaData indexMetaData = IndexMetaData.Builder.fromXContent(parser);
                        if ((token = parser.nextToken()) == XContentParser.Token.END_OBJECT) {
                            metaDataBuilder.put(indexMetaData, false);
                            continue;
                        }
                    }
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        Table table = getTableWithHeader(request);

        for (String index : indices) {
            ClusterIndexHealth indexHealth = health.getIndices().get(index);
            IndexStats indexStats = stats.getIndices().get(index);
            IndexMetaData indexMetaData = indexMetaDatas.getIndices().get(index);
            IndexMetaData.State state = indexMetaData.getState();

            table.startRow();
            table.addCell(state == IndexMetaData.State.OPEN ? (indexHealth == null ? "red*" : indexHealth.getStatus().toString().toLowerCase(Locale.ROOT)) : null);
            table.addCell(state.toString().toLowerCase(Locale.ROOT));
            table.addCell(index);
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        super(settings);
    }

    @Override
    public Decision canAllocate(ShardRouting shardRouting, RoutingNode node, RoutingAllocation allocation) {
        IndexMetaData indexMd = allocation.routingNodes().metaData().index(shardRouting.index());
        int totalShardsPerNode = indexMd.settings().getAsInt(INDEX_TOTAL_SHARDS_PER_NODE, -1);
        if (totalShardsPerNode <= 0) {
            return allocation.decision(Decision.YES, NAME, "total shard limit disabled: [%d] <= 0", totalShardsPerNode);
        }

        int nodeCount = 0;
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        return allocation.decision(Decision.YES, NAME, "shard count under limit [%d] of total shards per node", totalShardsPerNode);
    }

    @Override
    public Decision canRemain(ShardRouting shardRouting, RoutingNode node, RoutingAllocation allocation) {
        IndexMetaData indexMd = allocation.routingNodes().metaData().index(shardRouting.index());
        int totalShardsPerNode = indexMd.settings().getAsInt(INDEX_TOTAL_SHARDS_PER_NODE, -1);
        if (totalShardsPerNode <= 0) {
            return allocation.decision(Decision.YES, NAME, "total shard limit disabled: [%d] <= 0", totalShardsPerNode);
        }

        int nodeCount = 0;
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            return indexShard.preferAttributesActiveInitializingShardsIt(awarenessAttributes, nodes, DjbHashFunction.DJB_HASH(preference));
        }
    }

    public IndexMetaData indexMetaData(ClusterState clusterState, String index) {
        IndexMetaData indexMetaData = clusterState.metaData().index(index);
        if (indexMetaData == null) {
            throw new IndexMissingException(new Index(index));
        }
        return indexMetaData;
    }
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        }
        return indexShard;
    }

    private int shardId(ClusterState clusterState, String index, String type, String id, @Nullable String routing) {
        final IndexMetaData indexMetaData = indexMetaData(clusterState, index);
        final Version createdVersion = indexMetaData.getCreationVersion();
        final HashFunction hashFunction = indexMetaData.getRoutingHashFunction();
        final boolean useType = indexMetaData.getRoutingUseType();

        final int hash;
        if (routing == null) {
            if (!useType) {
                hash = hash(hashFunction, id);
            } else {
                hash = hash(hashFunction, type, id);
            }
        } else {
            hash = hash(hashFunction, routing);
        }
        if (createdVersion.onOrAfter(Version.V_2_0_0)) {
            return MathUtils.mod(hash, indexMetaData.numberOfShards());
        } else {
            return Math.abs(hash % indexMetaData.numberOfShards());
        }
    }
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