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Prevent order being lost for _nodes API filters (elastic#42045)
* Switch to using a list instead of a Set for the filters, so that the order of these filters is kept. (cherry picked from commit 74a7438)
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143 changes: 143 additions & 0 deletions
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...r/src/test/java/org/elasticsearch/rest/action/admin/cluster/RestNodesInfoActionTests.java
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| /* | ||
| * Licensed to Elasticsearch under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch 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. | ||
| */ | ||
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| package org.elasticsearch.rest.action.admin.cluster; | ||
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| import org.elasticsearch.action.admin.cluster.node.info.NodesInfoRequest; | ||
| import org.elasticsearch.rest.RestRequest; | ||
| import org.elasticsearch.test.ESTestCase; | ||
| import org.elasticsearch.test.rest.FakeRestRequest; | ||
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| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
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| import static org.elasticsearch.rest.action.admin.cluster.RestNodesInfoAction.ALLOWED_METRICS; | ||
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| public class RestNodesInfoActionTests extends ESTestCase { | ||
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| public void testDuplicatedFiltersAreNotRemoved() { | ||
| Map<String, String> params = new HashMap<>(); | ||
| params.put("nodeId", "_all,master:false,_all"); | ||
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| RestRequest restRequest = buildRestRequest(params); | ||
| NodesInfoRequest actual = RestNodesInfoAction.prepareRequest(restRequest); | ||
| assertArrayEquals(new String[] { "_all", "master:false", "_all" }, actual.nodesIds()); | ||
| } | ||
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| public void testOnlyMetrics() { | ||
| Map<String, String> params = new HashMap<>(); | ||
| int metricsCount = randomIntBetween(1, ALLOWED_METRICS.size()); | ||
| List<String> metrics = new ArrayList<>(); | ||
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| for(int i = 0; i < metricsCount; i++) { | ||
| metrics.add(randomFrom(ALLOWED_METRICS)); | ||
| } | ||
| params.put("nodeId", String.join(",", metrics)); | ||
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| RestRequest restRequest = buildRestRequest(params); | ||
| NodesInfoRequest actual = RestNodesInfoAction.prepareRequest(restRequest); | ||
| assertArrayEquals(new String[] { "_all" }, actual.nodesIds()); | ||
| assertMetrics(metrics, actual); | ||
| } | ||
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| public void testAllMetricsSelectedWhenNodeAndMetricSpecified() { | ||
| Map<String, String> params = new HashMap<>(); | ||
| String nodeId = randomValueOtherThanMany(ALLOWED_METRICS::contains, () -> randomAlphaOfLength(23)); | ||
| String metric = randomFrom(ALLOWED_METRICS); | ||
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| params.put("nodeId", nodeId + "," + metric); | ||
| RestRequest restRequest = buildRestRequest(params); | ||
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| NodesInfoRequest actual = RestNodesInfoAction.prepareRequest(restRequest); | ||
| assertArrayEquals(new String[] { nodeId, metric }, actual.nodesIds()); | ||
| assertAllMetricsTrue(actual); | ||
| } | ||
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| public void testSeparateNodeIdsAndMetrics() { | ||
| Map<String, String> params = new HashMap<>(); | ||
| List<String> nodeIds = new ArrayList<>(5); | ||
| List<String> metrics = new ArrayList<>(5); | ||
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| for(int i = 0; i < 5; i++) { | ||
| nodeIds.add(randomValueOtherThanMany(ALLOWED_METRICS::contains, () -> randomAlphaOfLength(23))); | ||
| metrics.add(randomFrom(ALLOWED_METRICS)); | ||
| } | ||
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| params.put("nodeId", String.join(",", nodeIds)); | ||
| params.put("metrics", String.join(",", metrics)); | ||
| RestRequest restRequest = buildRestRequest(params); | ||
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| NodesInfoRequest actual = RestNodesInfoAction.prepareRequest(restRequest); | ||
| assertArrayEquals(nodeIds.toArray(), actual.nodesIds()); | ||
| assertMetrics(metrics, actual); | ||
| } | ||
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| public void testExplicitAllMetrics() { | ||
| Map<String, String> params = new HashMap<>(); | ||
| List<String> nodeIds = new ArrayList<>(5); | ||
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| for(int i = 0; i < 5; i++) { | ||
| nodeIds.add(randomValueOtherThanMany(ALLOWED_METRICS::contains, () -> randomAlphaOfLength(23))); | ||
| } | ||
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| params.put("nodeId", String.join(",", nodeIds)); | ||
| params.put("metrics", "_all"); | ||
| RestRequest restRequest = buildRestRequest(params); | ||
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| NodesInfoRequest actual = RestNodesInfoAction.prepareRequest(restRequest); | ||
| assertArrayEquals(nodeIds.toArray(), actual.nodesIds()); | ||
| assertAllMetricsTrue(actual); | ||
| } | ||
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| private FakeRestRequest buildRestRequest(Map<String, String> params) { | ||
| return new FakeRestRequest.Builder(xContentRegistry()) | ||
| .withMethod(RestRequest.Method.GET) | ||
| .withPath("/_nodes") | ||
| .withParams(params) | ||
| .build(); | ||
| } | ||
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| private void assertMetrics(List<String> metrics, NodesInfoRequest nodesInfoRequest) { | ||
| assertTrue((metrics.contains("http") && nodesInfoRequest.http()) || metrics.contains("http") == false); | ||
| assertTrue((metrics.contains("ingest") && nodesInfoRequest.ingest()) || metrics.contains("ingest") == false); | ||
| assertTrue((metrics.contains("indices") && nodesInfoRequest.indices()) || metrics.contains("indices") == false); | ||
| assertTrue((metrics.contains("jvm") && nodesInfoRequest.jvm()) || metrics.contains("jvm") == false); | ||
| assertTrue((metrics.contains("os") && nodesInfoRequest.os()) || metrics.contains("os") == false); | ||
| assertTrue((metrics.contains("plugins") && nodesInfoRequest.plugins()) || metrics.contains("plugins") == false); | ||
| assertTrue((metrics.contains("process") && nodesInfoRequest.process()) || metrics.contains("process") == false); | ||
| assertTrue((metrics.contains("settings") && nodesInfoRequest.settings()) || metrics.contains("settings") == false); | ||
| assertTrue((metrics.contains("thread_pool") && nodesInfoRequest.threadPool()) || metrics.contains("thread_pool") == false); | ||
| assertTrue((metrics.contains("transport") && nodesInfoRequest.transport()) || metrics.contains("transport") == false); | ||
| } | ||
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| private void assertAllMetricsTrue(NodesInfoRequest nodesInfoRequest) { | ||
| assertTrue(nodesInfoRequest.http()); | ||
| assertTrue(nodesInfoRequest.ingest()); | ||
| assertTrue(nodesInfoRequest.indices()); | ||
| assertTrue(nodesInfoRequest.jvm()); | ||
| assertTrue(nodesInfoRequest.os()); | ||
| assertTrue(nodesInfoRequest.plugins()); | ||
| assertTrue(nodesInfoRequest.process()); | ||
| assertTrue(nodesInfoRequest.settings()); | ||
| assertTrue(nodesInfoRequest.threadPool()); | ||
| assertTrue(nodesInfoRequest.transport()); | ||
| } | ||
| } |