Examples with ActiveShardCount org.elasticsearch.action.support.ActiveShardCount used on opensource projects

Example 1 with ActiveShardCount

use of org.elasticsearch.action.support.ActiveShardCount in project elasticsearch by elastic.

the class TransportClusterHealthAction method prepareResponse.

private boolean prepareResponse(final ClusterHealthRequest request, final ClusterHealthResponse response, ClusterState clusterState, final int waitFor) {
    int waitForCounter = 0;
    if (request.waitForStatus() != null && response.getStatus().value() <= request.waitForStatus().value()) {
        waitForCounter++;
    }
    if (request.waitForNoRelocatingShards() && response.getRelocatingShards() == 0) {
        waitForCounter++;
    }
    if (request.waitForActiveShards().equals(ActiveShardCount.NONE) == false) {
        ActiveShardCount waitForActiveShards = request.waitForActiveShards();
        assert waitForActiveShards.equals(ActiveShardCount.DEFAULT) == false : "waitForActiveShards must not be DEFAULT on the request object, instead it should be NONE";
        if (waitForActiveShards.equals(ActiveShardCount.ALL) && response.getUnassignedShards() == 0 && response.getInitializingShards() == 0) {
            // if we are waiting for all shards to be active, then the num of unassigned and num of initializing shards must be 0
            waitForCounter++;
        } else if (waitForActiveShards.enoughShardsActive(response.getActiveShards())) {
            // there are enough active shards to meet the requirements of the request
            waitForCounter++;
        }
    }
    if (request.indices() != null && request.indices().length > 0) {
        try {
            indexNameExpressionResolver.concreteIndexNames(clusterState, IndicesOptions.strictExpand(), request.indices());
            waitForCounter++;
        } catch (IndexNotFoundException e) {
            // no indices, make sure its RED
            response.setStatus(ClusterHealthStatus.RED);
        // missing indices, wait a bit more...
        }
    }
    if (!request.waitForNodes().isEmpty()) {
        if (request.waitForNodes().startsWith(">=")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(2));
            if (response.getNumberOfNodes() >= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("ge(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() >= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("<=")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(2));
            if (response.getNumberOfNodes() <= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("le(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() <= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith(">")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(1));
            if (response.getNumberOfNodes() > expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("gt(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() > expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("<")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(1));
            if (response.getNumberOfNodes() < expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("lt(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() < expected) {
                waitForCounter++;
            }
        } else {
            int expected = Integer.parseInt(request.waitForNodes());
            if (response.getNumberOfNodes() == expected) {
                waitForCounter++;
            }
        }
    }
    return waitForCounter == waitFor;
}

Example 2 with ActiveShardCount

use of org.elasticsearch.action.support.ActiveShardCount 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 3 with ActiveShardCount

use of org.elasticsearch.action.support.ActiveShardCount in project elasticsearch by elastic.

the class ReplicationOperation method checkActiveShardCount.

/**
     * Checks whether we can perform a write based on the required active shard count setting.
     * Returns **null* if OK to proceed, or a string describing the reason to stop
     */
protected String checkActiveShardCount() {
    final ShardId shardId = primary.routingEntry().shardId();
    final String indexName = shardId.getIndexName();
    final ClusterState state = clusterStateSupplier.get();
    assert state != null : "replication operation must have access to the cluster state";
    final ActiveShardCount waitForActiveShards = request.waitForActiveShards();
    if (waitForActiveShards == ActiveShardCount.NONE) {
        // not waiting for any shards
        return null;
    }
    IndexRoutingTable indexRoutingTable = state.getRoutingTable().index(indexName);
    if (indexRoutingTable == null) {
        logger.trace("[{}] index not found in the routing table", shardId);
        return "Index " + indexName + " not found in the routing table";
    }
    IndexShardRoutingTable shardRoutingTable = indexRoutingTable.shard(shardId.getId());
    if (shardRoutingTable == null) {
        logger.trace("[{}] shard not found in the routing table", shardId);
        return "Shard " + shardId + " not found in the routing table";
    }
    if (waitForActiveShards.enoughShardsActive(shardRoutingTable)) {
        return null;
    } else {
        final String resolvedShards = waitForActiveShards == ActiveShardCount.ALL ? Integer.toString(shardRoutingTable.shards().size()) : waitForActiveShards.toString();
        logger.trace("[{}] not enough active copies to meet shard count of [{}] (have {}, needed {}), scheduling a retry. op [{}], " + "request [{}]", shardId, waitForActiveShards, shardRoutingTable.activeShards().size(), resolvedShards, opType, request);
        return "Not enough active copies to meet shard count of [" + waitForActiveShards + "] (have " + shardRoutingTable.activeShards().size() + ", needed " + resolvedShards + ").";
    }
}

Example 4 with ActiveShardCount

use of org.elasticsearch.action.support.ActiveShardCount in project crate by crate.

the class TransportClusterHealthAction method prepareResponse.

static int prepareResponse(final ClusterHealthRequest request, final ClusterHealthResponse response, final ClusterState clusterState, final IndexNameExpressionResolver indexNameExpressionResolver) {
    int waitForCounter = 0;
    if (request.waitForStatus() != null && response.getStatus().value() <= request.waitForStatus().value()) {
        waitForCounter++;
    }
    if (request.waitForNoRelocatingShards() && response.getRelocatingShards() == 0) {
        waitForCounter++;
    }
    if (request.waitForNoInitializingShards() && response.getInitializingShards() == 0) {
        waitForCounter++;
    }
    if (request.waitForActiveShards().equals(ActiveShardCount.NONE) == false) {
        ActiveShardCount waitForActiveShards = request.waitForActiveShards();
        assert waitForActiveShards.equals(ActiveShardCount.DEFAULT) == false : "waitForActiveShards must not be DEFAULT on the request object, instead it should be NONE";
        if (waitForActiveShards.equals(ActiveShardCount.ALL)) {
            if (response.getUnassignedShards() == 0 && response.getInitializingShards() == 0) {
                // if we are waiting for all shards to be active, then the num of unassigned and num of initializing shards must be 0
                waitForCounter++;
            }
        } else if (waitForActiveShards.enoughShardsActive(response.getActiveShards())) {
            // there are enough active shards to meet the requirements of the request
            waitForCounter++;
        }
    }
    if (request.indices() != null && request.indices().length > 0) {
        try {
            indexNameExpressionResolver.concreteIndexNames(clusterState, IndicesOptions.strictExpand(), request.indices());
            waitForCounter++;
        } catch (IndexNotFoundException e) {
            // no indices, make sure its RED
            response.setStatus(ClusterHealthStatus.RED);
        // missing indices, wait a bit more...
        }
    }
    if (!request.waitForNodes().isEmpty()) {
        if (request.waitForNodes().startsWith(">=")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(2));
            if (response.getNumberOfNodes() >= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("ge(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() >= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("<=")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(2));
            if (response.getNumberOfNodes() <= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("le(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() <= expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith(">")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(1));
            if (response.getNumberOfNodes() > expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("gt(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() > expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("<")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(1));
            if (response.getNumberOfNodes() < expected) {
                waitForCounter++;
            }
        } else if (request.waitForNodes().startsWith("lt(")) {
            int expected = Integer.parseInt(request.waitForNodes().substring(3, request.waitForNodes().length() - 1));
            if (response.getNumberOfNodes() < expected) {
                waitForCounter++;
            }
        } else {
            int expected = Integer.parseInt(request.waitForNodes());
            if (response.getNumberOfNodes() == expected) {
                waitForCounter++;
            }
        }
    }
    return waitForCounter;
}

Example 5 with ActiveShardCount

use of org.elasticsearch.action.support.ActiveShardCount 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);
        }
    });
}