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Added ServiceDisruptionScheme(s) and testAckedIndexing
This commit adds the notion of ServiceDisruptionScheme allowing for introducing disruptions in our test cluster. This abstraction as used in a couple of wrappers around the functionality offered by MockTransportService to simulate various network partions. There is also one implementation for causing a node to be slow in processing cluster state updates. This new mechnaism is integrated into existing tests DiscoveryWithNetworkFailuresTests. A new test called testAckedIndexing is added to verify retrieval of documents whose indexing was acked during various disruptions. Closes elastic#6505
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397 changes: 257 additions & 140 deletions
397
src/test/java/org/elasticsearch/discovery/DiscoveryWithNetworkFailuresTests.java
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88 changes: 88 additions & 0 deletions
88
src/test/java/org/elasticsearch/test/disruption/NetworkDelaysPartition.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. | ||
| */ | ||
| package org.elasticsearch.test.disruption; | ||
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| import org.elasticsearch.cluster.node.DiscoveryNode; | ||
| import org.elasticsearch.common.unit.TimeValue; | ||
| import org.elasticsearch.test.transport.MockTransportService; | ||
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| import java.util.Random; | ||
| import java.util.Set; | ||
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| public class NetworkDelaysPartition extends NetworkPartition { | ||
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| static long DEFAULT_DELAY_MIN = 10000; | ||
| static long DEFAULT_DELAY_MAX = 90000; | ||
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| final long delayMin; | ||
| final long delayMax; | ||
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| TimeValue duration; | ||
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| public NetworkDelaysPartition(Random random) { | ||
| this(random, DEFAULT_DELAY_MIN, DEFAULT_DELAY_MAX); | ||
| } | ||
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| public NetworkDelaysPartition(Random random, long delayMin, long delayMax) { | ||
| super(random); | ||
| this.delayMin = delayMin; | ||
| this.delayMax = delayMax; | ||
| } | ||
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| public NetworkDelaysPartition(String node1, String node2, Random random) { | ||
| this(node1, node2, DEFAULT_DELAY_MIN, DEFAULT_DELAY_MAX, random); | ||
| } | ||
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| public NetworkDelaysPartition(String node1, String node2, long delayMin, long delayMax, Random random) { | ||
| super(node1, node2, random); | ||
| this.delayMin = delayMin; | ||
| this.delayMax = delayMax; | ||
| } | ||
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| public NetworkDelaysPartition(Set<String> nodesSideOne, Set<String> nodesSideTwo, Random random) { | ||
| this(nodesSideOne, nodesSideTwo, DEFAULT_DELAY_MIN, DEFAULT_DELAY_MAX, random); | ||
| } | ||
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| public NetworkDelaysPartition(Set<String> nodesSideOne, Set<String> nodesSideTwo, long delayMin, long delayMax, Random random) { | ||
| super(nodesSideOne, nodesSideTwo, random); | ||
| this.delayMin = delayMin; | ||
| this.delayMax = delayMax; | ||
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| } | ||
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| @Override | ||
| public synchronized void startDisrupting() { | ||
| duration = new TimeValue(delayMin + random.nextInt((int) (delayMax - delayMin))); | ||
| super.startDisrupting(); | ||
| } | ||
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| @Override | ||
| void applyDisruption(DiscoveryNode node1, MockTransportService transportService1, | ||
| DiscoveryNode node2, MockTransportService transportService2) { | ||
| transportService1.addUnresponsiveRule(node1, duration); | ||
| transportService1.addUnresponsiveRule(node2, duration); | ||
| } | ||
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| @Override | ||
| protected String getPartitionDescription() { | ||
| return "network delays for [" + duration + "]"; | ||
| } | ||
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| } |
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