Examples with CreateIndexClusterStateUpdateRequest org.elasticsearch.action.admin.indices.create.CreateIndexClusterStateUpdateRequest used on opensource projects

Example 1 with CreateIndexClusterStateUpdateRequest

use of org.elasticsearch.action.admin.indices.create.CreateIndexClusterStateUpdateRequest in project elasticsearch by elastic.

the class TransportShrinkAction method prepareCreateIndexRequest.

// static for unittesting this method
static CreateIndexClusterStateUpdateRequest prepareCreateIndexRequest(final ShrinkRequest shrinkRequest, final ClusterState state, final IntFunction<DocsStats> perShardDocStats, IndexNameExpressionResolver indexNameExpressionResolver) {
    final String sourceIndex = indexNameExpressionResolver.resolveDateMathExpression(shrinkRequest.getSourceIndex());
    final CreateIndexRequest targetIndex = shrinkRequest.getShrinkIndexRequest();
    final String targetIndexName = indexNameExpressionResolver.resolveDateMathExpression(targetIndex.index());
    final IndexMetaData metaData = state.metaData().index(sourceIndex);
    final Settings targetIndexSettings = Settings.builder().put(targetIndex.settings()).normalizePrefix(IndexMetaData.INDEX_SETTING_PREFIX).build();
    int numShards = 1;
    if (IndexMetaData.INDEX_NUMBER_OF_SHARDS_SETTING.exists(targetIndexSettings)) {
        numShards = IndexMetaData.INDEX_NUMBER_OF_SHARDS_SETTING.get(targetIndexSettings);
    }
    for (int i = 0; i < numShards; i++) {
        Set<ShardId> shardIds = IndexMetaData.selectShrinkShards(i, metaData, numShards);
        long count = 0;
        for (ShardId id : shardIds) {
            DocsStats docsStats = perShardDocStats.apply(id.id());
            if (docsStats != null) {
                count += docsStats.getCount();
            }
            if (count > IndexWriter.MAX_DOCS) {
                throw new IllegalStateException("Can't merge index with more than [" + IndexWriter.MAX_DOCS + "] docs - too many documents in shards " + shardIds);
            }
        }
    }
    if (IndexMetaData.INDEX_ROUTING_PARTITION_SIZE_SETTING.exists(targetIndexSettings)) {
        throw new IllegalArgumentException("cannot provide a routing partition size value when shrinking an index");
    }
    targetIndex.cause("shrink_index");
    Settings.Builder settingsBuilder = Settings.builder().put(targetIndexSettings);
    settingsBuilder.put("index.number_of_shards", numShards);
    targetIndex.settings(settingsBuilder);
    return new CreateIndexClusterStateUpdateRequest(targetIndex, "shrink_index", targetIndex.index(), targetIndexName, true).ackTimeout(targetIndex.timeout()).masterNodeTimeout(targetIndex.masterNodeTimeout()).settings(targetIndex.settings()).aliases(targetIndex.aliases()).customs(targetIndex.customs()).waitForActiveShards(targetIndex.waitForActiveShards()).shrinkFrom(metaData.getIndex());
}

Example 2 with CreateIndexClusterStateUpdateRequest

use of org.elasticsearch.action.admin.indices.create.CreateIndexClusterStateUpdateRequest in project elasticsearch by elastic.

the class TransportRolloverAction method masterOperation.

@Override
protected void masterOperation(final RolloverRequest rolloverRequest, final ClusterState state, final ActionListener<RolloverResponse> listener) {
    final MetaData metaData = state.metaData();
    validate(metaData, rolloverRequest);
    final AliasOrIndex aliasOrIndex = metaData.getAliasAndIndexLookup().get(rolloverRequest.getAlias());
    final IndexMetaData indexMetaData = aliasOrIndex.getIndices().get(0);
    final String sourceProvidedName = indexMetaData.getSettings().get(IndexMetaData.SETTING_INDEX_PROVIDED_NAME, indexMetaData.getIndex().getName());
    final String sourceIndexName = indexMetaData.getIndex().getName();
    final String unresolvedName = (rolloverRequest.getNewIndexName() != null) ? rolloverRequest.getNewIndexName() : generateRolloverIndexName(sourceProvidedName, indexNameExpressionResolver);
    final String rolloverIndexName = indexNameExpressionResolver.resolveDateMathExpression(unresolvedName);
    // will fail if the index already exists
    MetaDataCreateIndexService.validateIndexName(rolloverIndexName, state);
    client.admin().indices().prepareStats(sourceIndexName).clear().setDocs(true).execute(new ActionListener<IndicesStatsResponse>() {

        @Override
        public void onResponse(IndicesStatsResponse statsResponse) {
            final Set<Condition.Result> conditionResults = evaluateConditions(rolloverRequest.getConditions(), statsResponse.getTotal().getDocs(), metaData.index(sourceIndexName));
            if (rolloverRequest.isDryRun()) {
                listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, true, false, false, false));
                return;
            }
            if (conditionResults.size() == 0 || conditionResults.stream().anyMatch(result -> result.matched)) {
                CreateIndexClusterStateUpdateRequest updateRequest = prepareCreateIndexRequest(unresolvedName, rolloverIndexName, rolloverRequest);
                createIndexService.createIndex(updateRequest, ActionListener.wrap(createIndexClusterStateUpdateResponse -> {
                    indexAliasesService.indicesAliases(prepareRolloverAliasesUpdateRequest(sourceIndexName, rolloverIndexName, rolloverRequest), ActionListener.wrap(aliasClusterStateUpdateResponse -> {
                        if (aliasClusterStateUpdateResponse.isAcknowledged()) {
                            activeShardsObserver.waitForActiveShards(rolloverIndexName, rolloverRequest.getCreateIndexRequest().waitForActiveShards(), rolloverRequest.masterNodeTimeout(), isShardsAcked -> listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, false, true, true, isShardsAcked)), listener::onFailure);
                        } else {
                            listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, false, true, false, false));
                        }
                    }, listener::onFailure));
                }, listener::onFailure));
            } else {
                // conditions not met
                listener.onResponse(new RolloverResponse(sourceIndexName, rolloverIndexName, conditionResults, false, false, false, false));
            }
        }

        @Override
        public void onFailure(Exception e) {
            listener.onFailure(e);
        }
    });
}

Example 3 with CreateIndexClusterStateUpdateRequest

use of org.elasticsearch.action.admin.indices.create.CreateIndexClusterStateUpdateRequest in project elasticsearch by elastic.

the class TransportRolloverActionTests method testCreateIndexRequest.

public void testCreateIndexRequest() throws Exception {
    String alias = randomAsciiOfLength(10);
    String rolloverIndex = randomAsciiOfLength(10);
    final RolloverRequest rolloverRequest = new RolloverRequest(alias, randomAsciiOfLength(10));
    final ActiveShardCount activeShardCount = randomBoolean() ? ActiveShardCount.ALL : ActiveShardCount.ONE;
    rolloverRequest.setWaitForActiveShards(activeShardCount);
    final Settings settings = Settings.builder().put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT).put(IndexMetaData.SETTING_INDEX_UUID, UUIDs.randomBase64UUID()).put(IndexMetaData.SETTING_NUMBER_OF_SHARDS, 1).put(IndexMetaData.SETTING_NUMBER_OF_REPLICAS, 0).build();
    rolloverRequest.getCreateIndexRequest().settings(settings);
    final CreateIndexClusterStateUpdateRequest createIndexRequest = TransportRolloverAction.prepareCreateIndexRequest(rolloverIndex, rolloverIndex, rolloverRequest);
    assertThat(createIndexRequest.settings(), equalTo(settings));
    assertThat(createIndexRequest.index(), equalTo(rolloverIndex));
    assertThat(createIndexRequest.cause(), equalTo("rollover_index"));
}

Example 4 with CreateIndexClusterStateUpdateRequest

use of org.elasticsearch.action.admin.indices.create.CreateIndexClusterStateUpdateRequest in project elasticsearch by elastic.

the class MetaDataCreateIndexService method onlyCreateIndex.

private void onlyCreateIndex(final CreateIndexClusterStateUpdateRequest request, final ActionListener<ClusterStateUpdateResponse> listener) {
    Settings.Builder updatedSettingsBuilder = Settings.builder();
    updatedSettingsBuilder.put(request.settings()).normalizePrefix(IndexMetaData.INDEX_SETTING_PREFIX);
    indexScopedSettings.validate(updatedSettingsBuilder);
    request.settings(updatedSettingsBuilder.build());
    clusterService.submitStateUpdateTask("create-index [" + request.index() + "], cause [" + request.cause() + "]", new AckedClusterStateUpdateTask<ClusterStateUpdateResponse>(Priority.URGENT, request, wrapPreservingContext(listener)) {

        @Override
        protected ClusterStateUpdateResponse newResponse(boolean acknowledged) {
            return new ClusterStateUpdateResponse(acknowledged);
        }

        @Override
        public ClusterState execute(ClusterState currentState) throws Exception {
            Index createdIndex = null;
            String removalExtraInfo = null;
            IndexRemovalReason removalReason = IndexRemovalReason.FAILURE;
            try {
                validate(request, currentState);
                for (Alias alias : request.aliases()) {
                    aliasValidator.validateAlias(alias, request.index(), currentState.metaData());
                }
                // we only find a template when its an API call (a new index)
                // find templates, highest order are better matching
                List<IndexTemplateMetaData> templates = findTemplates(request, currentState);
                Map<String, Custom> customs = new HashMap<>();
                // add the request mapping
                Map<String, Map<String, Object>> mappings = new HashMap<>();
                Map<String, AliasMetaData> templatesAliases = new HashMap<>();
                List<String> templateNames = new ArrayList<>();
                for (Map.Entry<String, String> entry : request.mappings().entrySet()) {
                    mappings.put(entry.getKey(), MapperService.parseMapping(xContentRegistry, entry.getValue()));
                }
                for (Map.Entry<String, Custom> entry : request.customs().entrySet()) {
                    customs.put(entry.getKey(), entry.getValue());
                }
                // apply templates, merging the mappings into the request mapping if exists
                for (IndexTemplateMetaData template : templates) {
                    templateNames.add(template.getName());
                    for (ObjectObjectCursor<String, CompressedXContent> cursor : template.mappings()) {
                        String mappingString = cursor.value.string();
                        if (mappings.containsKey(cursor.key)) {
                            XContentHelper.mergeDefaults(mappings.get(cursor.key), MapperService.parseMapping(xContentRegistry, mappingString));
                        } else {
                            mappings.put(cursor.key, MapperService.parseMapping(xContentRegistry, mappingString));
                        }
                    }
                    // handle custom
                    for (ObjectObjectCursor<String, Custom> cursor : template.customs()) {
                        String type = cursor.key;
                        IndexMetaData.Custom custom = cursor.value;
                        IndexMetaData.Custom existing = customs.get(type);
                        if (existing == null) {
                            customs.put(type, custom);
                        } else {
                            IndexMetaData.Custom merged = existing.mergeWith(custom);
                            customs.put(type, merged);
                        }
                    }
                    //handle aliases
                    for (ObjectObjectCursor<String, AliasMetaData> cursor : template.aliases()) {
                        AliasMetaData aliasMetaData = cursor.value;
                        // ignore this one taken from the index template
                        if (request.aliases().contains(new Alias(aliasMetaData.alias()))) {
                            continue;
                        }
                        //if an alias with same name was already processed, ignore this one
                        if (templatesAliases.containsKey(cursor.key)) {
                            continue;
                        }
                        //Allow templatesAliases to be templated by replacing a token with the name of the index that we are applying it to
                        if (aliasMetaData.alias().contains("{index}")) {
                            String templatedAlias = aliasMetaData.alias().replace("{index}", request.index());
                            aliasMetaData = AliasMetaData.newAliasMetaData(aliasMetaData, templatedAlias);
                        }
                        aliasValidator.validateAliasMetaData(aliasMetaData, request.index(), currentState.metaData());
                        templatesAliases.put(aliasMetaData.alias(), aliasMetaData);
                    }
                }
                Settings.Builder indexSettingsBuilder = Settings.builder();
                // apply templates, here, in reverse order, since first ones are better matching
                for (int i = templates.size() - 1; i >= 0; i--) {
                    indexSettingsBuilder.put(templates.get(i).settings());
                }
                // now, put the request settings, so they override templates
                indexSettingsBuilder.put(request.settings());
                if (indexSettingsBuilder.get(SETTING_NUMBER_OF_SHARDS) == null) {
                    indexSettingsBuilder.put(SETTING_NUMBER_OF_SHARDS, settings.getAsInt(SETTING_NUMBER_OF_SHARDS, 5));
                }
                if (indexSettingsBuilder.get(SETTING_NUMBER_OF_REPLICAS) == null) {
                    indexSettingsBuilder.put(SETTING_NUMBER_OF_REPLICAS, settings.getAsInt(SETTING_NUMBER_OF_REPLICAS, 1));
                }
                if (settings.get(SETTING_AUTO_EXPAND_REPLICAS) != null && indexSettingsBuilder.get(SETTING_AUTO_EXPAND_REPLICAS) == null) {
                    indexSettingsBuilder.put(SETTING_AUTO_EXPAND_REPLICAS, settings.get(SETTING_AUTO_EXPAND_REPLICAS));
                }
                if (indexSettingsBuilder.get(SETTING_VERSION_CREATED) == null) {
                    DiscoveryNodes nodes = currentState.nodes();
                    final Version createdVersion = Version.min(Version.CURRENT, nodes.getSmallestNonClientNodeVersion());
                    indexSettingsBuilder.put(SETTING_VERSION_CREATED, createdVersion);
                }
                if (indexSettingsBuilder.get(SETTING_CREATION_DATE) == null) {
                    indexSettingsBuilder.put(SETTING_CREATION_DATE, new DateTime(DateTimeZone.UTC).getMillis());
                }
                indexSettingsBuilder.put(IndexMetaData.SETTING_INDEX_PROVIDED_NAME, request.getProvidedName());
                indexSettingsBuilder.put(SETTING_INDEX_UUID, UUIDs.randomBase64UUID());
                final Index shrinkFromIndex = request.shrinkFrom();
                int routingNumShards = IndexMetaData.INDEX_NUMBER_OF_SHARDS_SETTING.get(indexSettingsBuilder.build());
                ;
                if (shrinkFromIndex != null) {
                    prepareShrinkIndexSettings(currentState, mappings.keySet(), indexSettingsBuilder, shrinkFromIndex, request.index());
                    IndexMetaData sourceMetaData = currentState.metaData().getIndexSafe(shrinkFromIndex);
                    routingNumShards = sourceMetaData.getRoutingNumShards();
                }
                Settings actualIndexSettings = indexSettingsBuilder.build();
                IndexMetaData.Builder tmpImdBuilder = IndexMetaData.builder(request.index()).setRoutingNumShards(routingNumShards);
                // Set up everything, now locally create the index to see that things are ok, and apply
                final IndexMetaData tmpImd = tmpImdBuilder.settings(actualIndexSettings).build();
                ActiveShardCount waitForActiveShards = request.waitForActiveShards();
                if (waitForActiveShards == ActiveShardCount.DEFAULT) {
                    waitForActiveShards = tmpImd.getWaitForActiveShards();
                }
                if (waitForActiveShards.validate(tmpImd.getNumberOfReplicas()) == false) {
                    throw new IllegalArgumentException("invalid wait_for_active_shards[" + request.waitForActiveShards() + "]: cannot be greater than number of shard copies [" + (tmpImd.getNumberOfReplicas() + 1) + "]");
                }
                // create the index here (on the master) to validate it can be created, as well as adding the mapping
                final IndexService indexService = indicesService.createIndex(tmpImd, Collections.emptyList(), shardId -> {
                });
                createdIndex = indexService.index();
                // now add the mappings
                MapperService mapperService = indexService.mapperService();
                try {
                    mapperService.merge(mappings, MergeReason.MAPPING_UPDATE, request.updateAllTypes());
                } catch (Exception e) {
                    removalExtraInfo = "failed on parsing default mapping/mappings on index creation";
                    throw e;
                }
                // the context is only used for validation so it's fine to pass fake values for the shard id and the current
                // timestamp
                final QueryShardContext queryShardContext = indexService.newQueryShardContext(0, null, () -> 0L);
                for (Alias alias : request.aliases()) {
                    if (Strings.hasLength(alias.filter())) {
                        aliasValidator.validateAliasFilter(alias.name(), alias.filter(), queryShardContext, xContentRegistry);
                    }
                }
                for (AliasMetaData aliasMetaData : templatesAliases.values()) {
                    if (aliasMetaData.filter() != null) {
                        aliasValidator.validateAliasFilter(aliasMetaData.alias(), aliasMetaData.filter().uncompressed(), queryShardContext, xContentRegistry);
                    }
                }
                // now, update the mappings with the actual source
                Map<String, MappingMetaData> mappingsMetaData = new HashMap<>();
                for (DocumentMapper mapper : mapperService.docMappers(true)) {
                    MappingMetaData mappingMd = new MappingMetaData(mapper);
                    mappingsMetaData.put(mapper.type(), mappingMd);
                }
                final IndexMetaData.Builder indexMetaDataBuilder = IndexMetaData.builder(request.index()).settings(actualIndexSettings).setRoutingNumShards(routingNumShards);
                for (MappingMetaData mappingMd : mappingsMetaData.values()) {
                    indexMetaDataBuilder.putMapping(mappingMd);
                }
                for (AliasMetaData aliasMetaData : templatesAliases.values()) {
                    indexMetaDataBuilder.putAlias(aliasMetaData);
                }
                for (Alias alias : request.aliases()) {
                    AliasMetaData aliasMetaData = AliasMetaData.builder(alias.name()).filter(alias.filter()).indexRouting(alias.indexRouting()).searchRouting(alias.searchRouting()).build();
                    indexMetaDataBuilder.putAlias(aliasMetaData);
                }
                for (Map.Entry<String, Custom> customEntry : customs.entrySet()) {
                    indexMetaDataBuilder.putCustom(customEntry.getKey(), customEntry.getValue());
                }
                indexMetaDataBuilder.state(request.state());
                final IndexMetaData indexMetaData;
                try {
                    indexMetaData = indexMetaDataBuilder.build();
                } catch (Exception e) {
                    removalExtraInfo = "failed to build index metadata";
                    throw e;
                }
                indexService.getIndexEventListener().beforeIndexAddedToCluster(indexMetaData.getIndex(), indexMetaData.getSettings());
                MetaData newMetaData = MetaData.builder(currentState.metaData()).put(indexMetaData, false).build();
                String maybeShadowIndicator = indexMetaData.isIndexUsingShadowReplicas() ? "s" : "";
                logger.info("[{}] creating index, cause [{}], templates {}, shards [{}]/[{}{}], mappings {}", request.index(), request.cause(), templateNames, indexMetaData.getNumberOfShards(), indexMetaData.getNumberOfReplicas(), maybeShadowIndicator, mappings.keySet());
                ClusterBlocks.Builder blocks = ClusterBlocks.builder().blocks(currentState.blocks());
                if (!request.blocks().isEmpty()) {
                    for (ClusterBlock block : request.blocks()) {
                        blocks.addIndexBlock(request.index(), block);
                    }
                }
                blocks.updateBlocks(indexMetaData);
                ClusterState updatedState = ClusterState.builder(currentState).blocks(blocks).metaData(newMetaData).build();
                if (request.state() == State.OPEN) {
                    RoutingTable.Builder routingTableBuilder = RoutingTable.builder(updatedState.routingTable()).addAsNew(updatedState.metaData().index(request.index()));
                    updatedState = allocationService.reroute(ClusterState.builder(updatedState).routingTable(routingTableBuilder.build()).build(), "index [" + request.index() + "] created");
                }
                removalExtraInfo = "cleaning up after validating index on master";
                removalReason = IndexRemovalReason.NO_LONGER_ASSIGNED;
                return updatedState;
            } finally {
                if (createdIndex != null) {
                    // Index was already partially created - need to clean up
                    indicesService.removeIndex(createdIndex, removalReason, removalExtraInfo);
                }
            }
        }

        @Override
        public void onFailure(String source, Exception e) {
            if (e instanceof ResourceAlreadyExistsException) {
                logger.trace((Supplier<?>) () -> new ParameterizedMessage("[{}] failed to create", request.index()), e);
            } else {
                logger.debug((Supplier<?>) () -> new ParameterizedMessage("[{}] failed to create", request.index()), e);
            }
            super.onFailure(source, e);
        }
    });
}

Example 5 with CreateIndexClusterStateUpdateRequest

use of org.elasticsearch.action.admin.indices.create.CreateIndexClusterStateUpdateRequest in project elasticsearch by elastic.

the class TransportRolloverAction method prepareCreateIndexRequest.

static CreateIndexClusterStateUpdateRequest prepareCreateIndexRequest(final String providedIndexName, final String targetIndexName, final RolloverRequest rolloverRequest) {
    final CreateIndexRequest createIndexRequest = rolloverRequest.getCreateIndexRequest();
    createIndexRequest.cause("rollover_index");
    createIndexRequest.index(targetIndexName);
    return new CreateIndexClusterStateUpdateRequest(createIndexRequest, "rollover_index", targetIndexName, providedIndexName, true).ackTimeout(createIndexRequest.timeout()).masterNodeTimeout(createIndexRequest.masterNodeTimeout()).settings(createIndexRequest.settings()).aliases(createIndexRequest.aliases()).waitForActiveShards(// not waiting for shards here, will wait on the alias switch operation
    ActiveShardCount.NONE).mappings(createIndexRequest.mappings());
}