| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| package org.apache.skywalking.oap.server.storage.plugin.elasticsearch.query; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.function.Function; |
| import org.apache.skywalking.library.elasticsearch.requests.search.BoolQueryBuilder; |
| import org.apache.skywalking.library.elasticsearch.requests.search.Query; |
| import org.apache.skywalking.library.elasticsearch.requests.search.Search; |
| import org.apache.skywalking.library.elasticsearch.requests.search.SearchBuilder; |
| import org.apache.skywalking.library.elasticsearch.response.search.SearchHit; |
| import org.apache.skywalking.library.elasticsearch.response.search.SearchResponse; |
| import org.apache.skywalking.oap.server.core.analysis.Layer; |
| import org.apache.skywalking.oap.server.core.hierarchy.instance.InstanceHierarchyRelationTraffic; |
| import org.apache.skywalking.oap.server.core.hierarchy.service.ServiceHierarchyRelationTraffic; |
| import org.apache.skywalking.oap.server.core.storage.query.IHierarchyQueryDAO; |
| import org.apache.skywalking.oap.server.library.client.elasticsearch.ElasticSearchClient; |
| import org.apache.skywalking.oap.server.library.client.elasticsearch.ElasticSearchScroller; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.StorageModuleElasticsearchConfig; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.ElasticSearchConverter; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.EsDAO; |
| import org.apache.skywalking.oap.server.storage.plugin.elasticsearch.base.IndexController; |
| |
| public class HierarchyQueryEsDAO extends EsDAO implements IHierarchyQueryDAO { |
| private final int queryMaxSize; |
| private final int scrollingBatchSize; |
| |
| protected final Function<SearchHit, ServiceHierarchyRelationTraffic> serviceRelationsFunction = hit -> { |
| final var sourceAsMap = hit.getSource(); |
| final var builder = new ServiceHierarchyRelationTraffic.Builder(); |
| return builder.storage2Entity( |
| new ElasticSearchConverter.ToEntity(ServiceHierarchyRelationTraffic.INDEX_NAME, sourceAsMap)); |
| }; |
| |
| protected final Function<SearchHit, InstanceHierarchyRelationTraffic> instanceRelationsFunction = hit -> { |
| final var sourceAsMap = hit.getSource(); |
| final var builder = new InstanceHierarchyRelationTraffic.Builder(); |
| return builder.storage2Entity( |
| new ElasticSearchConverter.ToEntity(InstanceHierarchyRelationTraffic.INDEX_NAME, sourceAsMap)); |
| }; |
| |
| public HierarchyQueryEsDAO(final ElasticSearchClient client, |
| final StorageModuleElasticsearchConfig config) { |
| super(client); |
| this.queryMaxSize = config.getMetadataQueryMaxSize(); |
| this.scrollingBatchSize = config.getScrollingBatchSize(); |
| } |
| |
| @Override |
| public List<ServiceHierarchyRelationTraffic> readAllServiceHierarchyRelations() { |
| final String index = |
| IndexController.LogicIndicesRegister.getPhysicalTableName(ServiceHierarchyRelationTraffic.INDEX_NAME); |
| |
| final int batchSize = Math.min(queryMaxSize, scrollingBatchSize); |
| final BoolQueryBuilder query = Query.bool(); |
| final SearchBuilder search = Search.builder().query(query).size(batchSize); |
| if (IndexController.LogicIndicesRegister.isMergedTable(ServiceHierarchyRelationTraffic.INDEX_NAME)) { |
| query.must(Query.term( |
| IndexController.LogicIndicesRegister.METRIC_TABLE_NAME, |
| ServiceHierarchyRelationTraffic.INDEX_NAME |
| )); |
| } |
| |
| final var scroller = ElasticSearchScroller |
| .<ServiceHierarchyRelationTraffic>builder() |
| .client(getClient()) |
| .search(search.build()) |
| .index(index) |
| .queryMaxSize(queryMaxSize) |
| .resultConverter(serviceRelationsFunction) |
| .build(); |
| return scroller.scroll(); |
| } |
| |
| @Override |
| public List<InstanceHierarchyRelationTraffic> readInstanceHierarchyRelations(final String instanceId, final String layer) { |
| final String index = |
| IndexController.LogicIndicesRegister.getPhysicalTableName(InstanceHierarchyRelationTraffic.INDEX_NAME); |
| int layerValue = Layer.valueOf(layer).value(); |
| final BoolQueryBuilder instanceSide = |
| Query.bool() |
| .must(Query.term(InstanceHierarchyRelationTraffic.INSTANCE_ID, instanceId)) |
| .must(Query.term(InstanceHierarchyRelationTraffic.SERVICE_LAYER, layerValue)); |
| |
| final BoolQueryBuilder relatedInstanceSide = |
| Query.bool() |
| .must(Query.term(InstanceHierarchyRelationTraffic.RELATED_INSTANCE_ID, instanceId)) |
| .must(Query.term(InstanceHierarchyRelationTraffic.RELATED_SERVICE_LAYER, layerValue)); |
| |
| final BoolQueryBuilder instanceQuery = |
| Query.bool() |
| .should(instanceSide) |
| .should(relatedInstanceSide); |
| |
| final BoolQueryBuilder query = |
| Query.bool() |
| .must(instanceQuery); |
| if (IndexController.LogicIndicesRegister.isMergedTable(InstanceHierarchyRelationTraffic.INDEX_NAME)) { |
| query.must(Query.term( |
| IndexController.LogicIndicesRegister.METRIC_TABLE_NAME, |
| InstanceHierarchyRelationTraffic.INDEX_NAME |
| )); |
| } |
| final SearchBuilder search = Search.builder().query(query); |
| final SearchResponse response = getClient().search(index, search.build()); |
| return buildInstanceHierarchyRelations(response); |
| } |
| |
| private List<InstanceHierarchyRelationTraffic> buildInstanceHierarchyRelations(SearchResponse response) { |
| List<InstanceHierarchyRelationTraffic> relations = new ArrayList<>(); |
| for (SearchHit searchHit : response.getHits()) { |
| relations.add(instanceRelationsFunction.apply(searchHit)); |
| } |
| return relations; |
| } |
| } |