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Specify source DCs for bootstrap streaming
Summary: enable user to configure source data centers to do streaming upon bootstrap. corresponding unit tests added. Test Plan: all existing tests and newly added tests passed. Reviewers: wpc, christina1012, #ig-cassandra Differential Revision: https://phabricator.intern.facebook.com/D7094718 Tasks: T25583201 Tags: bootcamp
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Chen Li
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Mar 2, 2018
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.cassandra.dht; | ||
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| import java.net.InetAddress; | ||
| import java.util.Arrays; | ||
| import java.util.HashSet; | ||
| import java.util.Set; | ||
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| import org.junit.BeforeClass; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.JUnit4; | ||
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| import org.apache.cassandra.OrderedJUnit4ClassRunner; | ||
| import org.apache.cassandra.locator.IEndpointSnitch; | ||
| import org.apache.cassandra.locator.RackInferringSnitch; | ||
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| import static org.junit.Assert.*; | ||
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| @RunWith(JUnit4.class) | ||
| public class RangeStreamerTest | ||
| { | ||
| static IEndpointSnitch snitch; | ||
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| @BeforeClass | ||
| public static void setUp(){ | ||
| snitch = new RackInferringSnitch(); | ||
| } | ||
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| /** | ||
| * | ||
| * Assume we have real DCs {1,2,3} and user configured {2,3}. | ||
| * As a result any endpoint from DC 2 or 3 should be included. | ||
| */ | ||
| @Test | ||
| public void testMultiDatacenterFilter() throws Exception | ||
| { | ||
| Set<String> realDCs = new HashSet<>(Arrays.asList("1", "2", "3")); | ||
| Set<String> desiredDCs = new HashSet<>(Arrays.asList("2","3")); | ||
| // {2, 3} is a subset of {1, 2, 3} | ||
| RangeStreamer.MultiDatacenterFilter multiDatacenterFilter = new RangeStreamer.MultiDatacenterFilter(snitch, realDCs, desiredDCs); | ||
| InetAddress endpointFromDC1=InetAddress.getByName("192.1.0.10"); | ||
| InetAddress endpointFromDC2=InetAddress.getByName("192.2.0.10"); | ||
| InetAddress endpointFromDC5=InetAddress.getByName("192.5.0.10"); | ||
| assertFalse(multiDatacenterFilter.shouldInclude(endpointFromDC1)); | ||
| assertTrue(multiDatacenterFilter.shouldInclude(endpointFromDC2)); | ||
| assertFalse(multiDatacenterFilter.shouldInclude(endpointFromDC5)); | ||
| } | ||
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| @Test(expected = NullPointerException.class) | ||
| public void testMultiDatacenterFilterNullDesiredDCs() | ||
| { | ||
| RangeStreamer.MultiDatacenterFilter multiDatacenterFilter = new RangeStreamer.MultiDatacenterFilter(snitch, null, new HashSet<>()); | ||
| } | ||
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| @Test(expected = NullPointerException.class) | ||
| public void testMultiDatacenterFilterNullRealDCs() | ||
| { | ||
| RangeStreamer.MultiDatacenterFilter multiDatacenterFilter = new RangeStreamer.MultiDatacenterFilter(snitch, new HashSet<>(), null); | ||
| } | ||
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| @Test(expected = IllegalArgumentException.class) | ||
| public void testMultiDatacenterFilterIllegalArgs() | ||
| { | ||
| Set<String> realDCs = new HashSet<>(Arrays.asList("1", "2", "3")); | ||
| Set<String> desiredDCs = new HashSet<>(Arrays.asList("4","3")); | ||
| // {4,3} is not a subset of {1,2,3} | ||
| RangeStreamer.MultiDatacenterFilter multiDatacenterFilter = new RangeStreamer.MultiDatacenterFilter(snitch, realDCs, desiredDCs); | ||
| } | ||
| } |