| /* |
| * 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.gossip.replication; |
| |
| import org.apache.gossip.LocalMember; |
| import org.apache.gossip.manager.DatacenterRackAwareActiveGossiper; |
| import org.apache.gossip.model.SharedDataMessage; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.junit.platform.runner.JUnitPlatform; |
| import org.junit.runner.RunWith; |
| |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| @RunWith(JUnitPlatform.class) |
| public class DataReplicationTest { |
| |
| @Test |
| public void dataReplicateAllTest() throws URISyntaxException { |
| SharedDataMessage message = getSharedNodeData("public","public", new AllReplicable<>()); |
| LocalMember me = getLocalMember(new URI("udp://127.0.0.1:8001"),"1"); |
| LocalMember member = getLocalMember(new URI("udp://127.0.0.1:8002"),"2"); |
| Assert.assertEquals(true, message.getReplicable().shouldReplicate(me, member, message)); |
| } |
| |
| @Test |
| public void dataReplicateNoneTest() throws URISyntaxException { |
| SharedDataMessage message = getSharedNodeData("private","private", new NotReplicable<>()); |
| LocalMember me = getLocalMember(new URI("udp://127.0.0.1:8001"),"1"); |
| LocalMember member = getLocalMember(new URI("udp://127.0.0.1:8002"),"2"); |
| Assert.assertEquals(false, message.getReplicable().shouldReplicate(me, member, message)); |
| } |
| |
| @Test |
| public void dataReplicateWhiteListTest() throws URISyntaxException { |
| List<LocalMember> memberList = new ArrayList<>(); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8001"),"1")); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8002"),"2")); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8003"),"3")); |
| // add node 1 and 2 to the white list |
| List<LocalMember> whiteList = new ArrayList<>(); |
| whiteList.add(memberList.get(0)); |
| whiteList.add(memberList.get(1)); |
| |
| SharedDataMessage message = getSharedNodeData("whiteList", "Only allow some nodes", |
| new WhiteListReplicable<>(whiteList)); |
| LocalMember me = getLocalMember(new URI("udp://127.0.0.1:8004"),"4"); |
| |
| // data should replicate to node 1 and 2 but not 3 |
| Assert.assertEquals(true, |
| message.getReplicable().shouldReplicate(me, memberList.get(0), message)); |
| Assert.assertEquals(true, |
| message.getReplicable().shouldReplicate(me, memberList.get(1), message)); |
| Assert.assertEquals(false, |
| message.getReplicable().shouldReplicate(me, memberList.get(2), message)); |
| } |
| |
| @Test |
| public void dataReplicateWhiteListNullTest() throws URISyntaxException { |
| List<LocalMember> memberList = new ArrayList<>(); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8001"),"1")); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8002"),"2")); |
| |
| SharedDataMessage message = getSharedNodeData("whiteList", "Only allow some nodes", |
| new WhiteListReplicable<>(null)); |
| |
| // data should not replicate if no whitelist specified |
| Assert.assertEquals(false, |
| message.getReplicable().shouldReplicate(memberList.get(0), memberList.get(1), message)); |
| Assert.assertEquals(false, |
| message.getReplicable().shouldReplicate(memberList.get(1), memberList.get(0), message)); |
| |
| } |
| |
| @Test |
| public void dataReplicateBlackListTest() throws URISyntaxException { |
| List<LocalMember> memberList = new ArrayList<>(); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8001"),"1")); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8002"),"2")); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8003"),"3")); |
| // add node 1 and 2 to the black list |
| List<LocalMember> blackList = new ArrayList<>(); |
| blackList.add(memberList.get(0)); |
| blackList.add(memberList.get(1)); |
| |
| SharedDataMessage message = getSharedNodeData("blackList", "Disallow some nodes", |
| new BlackListReplicable<>(blackList)); |
| LocalMember me = getLocalMember(new URI("udp://127.0.0.1:8004"),"4"); |
| |
| // data should not replicate to node 1 and 2 |
| Assert.assertEquals(false, |
| message.getReplicable().shouldReplicate(me, memberList.get(0), message)); |
| Assert.assertEquals(false, |
| message.getReplicable().shouldReplicate(me, memberList.get(1), message)); |
| Assert.assertEquals(true, |
| message.getReplicable().shouldReplicate(me, memberList.get(2), message)); |
| } |
| |
| @Test |
| public void dataReplicateBlackListNullTest() throws URISyntaxException { |
| |
| List<LocalMember> memberList = new ArrayList<>(); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8001"),"1")); |
| memberList.add(getLocalMember(new URI("udp://127.0.0.1:8002"),"2")); |
| |
| SharedDataMessage message = getSharedNodeData("blackList", "Disallow some nodes", |
| new BlackListReplicable<>(null)); |
| |
| // data should replicate if no blacklist specified |
| Assert.assertEquals(true, |
| message.getReplicable().shouldReplicate(memberList.get(0), memberList.get(1), message)); |
| Assert.assertEquals(true, |
| message.getReplicable().shouldReplicate(memberList.get(1), memberList.get(0), message)); |
| } |
| |
| @Test |
| public void dataReplicateDataCenterTest() throws URISyntaxException { |
| |
| List<LocalMember> memberListDc1 = new ArrayList<>(); |
| List<LocalMember> memberListDc2 = new ArrayList<>(); |
| |
| memberListDc1 |
| .add(getLocalMemberDc(new URI("udp://10.0.0.1:8000"), "1", "DataCenter1", "Rack1")); |
| memberListDc1 |
| .add(getLocalMemberDc(new URI("udp://10.0.0.2:8000"), "2", "DataCenter1", "Rack2")); |
| memberListDc2 |
| .add(getLocalMemberDc(new URI("udp://10.0.1.1:8000"), "11", "DataCenter2", "Rack1")); |
| memberListDc2 |
| .add(getLocalMemberDc(new URI("udp://10.0.1.2:8000"), "12", "DataCenter2", "Rack2")); |
| |
| SharedDataMessage message = getSharedNodeData("datacenter1", "I am in data center 1 rack 1", |
| new DataCenterReplicable<>()); |
| |
| // data should replicate in data center 1 |
| Assert.assertEquals(true, message.getReplicable() |
| .shouldReplicate(memberListDc1.get(0), memberListDc1.get(1), message)); |
| Assert.assertEquals(true, message.getReplicable() |
| .shouldReplicate(memberListDc2.get(0), memberListDc2.get(1), message)); |
| |
| // data should not replicate to data center 2 |
| Assert.assertEquals(false, message.getReplicable() |
| .shouldReplicate(memberListDc1.get(0), memberListDc2.get(0), message)); |
| Assert.assertEquals(false, message.getReplicable() |
| .shouldReplicate(memberListDc1.get(1), memberListDc2.get(1), message)); |
| } |
| |
| @Test |
| public void dataReplicateDataCenterUnknownDataCenterTest() throws URISyntaxException { |
| |
| List<LocalMember> memberListDc1 = new ArrayList<>(); |
| memberListDc1 |
| .add(getLocalMemberDc(new URI("udp://10.0.0.1:8000"), "1", "DataCenter1", "Rack1")); |
| |
| Map<String, String> properties = new HashMap<>(); |
| LocalMember unknownDc = new LocalMember("cluster1", new URI("udp://10.0.1.2:8000"), "12", 0, |
| properties, 1, 0, ""); |
| |
| SharedDataMessage message = getSharedNodeData("datacenter1","I am in data center 1 rack 1", new DataCenterReplicable<>()); |
| |
| // data should not replicate from dc1 to unknown node |
| Assert.assertEquals(false, message.getReplicable() |
| .shouldReplicate(memberListDc1.get(0), unknownDc, message)); |
| // data can replicate from unknown node to dc |
| Assert.assertEquals(true, message.getReplicable() |
| .shouldReplicate(unknownDc, memberListDc1.get(0), message)); |
| |
| } |
| |
| private static SharedDataMessage getSharedNodeData(String key, String value, |
| Replicable<SharedDataMessage> replicable) { |
| SharedDataMessage g = new SharedDataMessage(); |
| g.setExpireAt(Long.MAX_VALUE); |
| g.setKey(key); |
| g.setPayload(value); |
| g.setTimestamp(System.currentTimeMillis()); |
| g.setReplicable(replicable); |
| return g; |
| } |
| |
| private static LocalMember getLocalMember(URI uri, String id){ |
| return new LocalMember("cluster1", uri, id, 0, null, 1, 0, ""); |
| } |
| |
| private static LocalMember getLocalMemberDc(URI uri, String id, String dataCenter, String rack){ |
| Map<String, String> props = new HashMap<>(); |
| props.put(DatacenterRackAwareActiveGossiper.DATACENTER, dataCenter); |
| props.put(DatacenterRackAwareActiveGossiper.RACK, rack); |
| return new LocalMember("cluster1", uri, id, 0, props, 1, 0, ""); |
| } |
| } |