Thomas Vachuska | 4f1a60c | 2014-10-28 13:39:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
tom | ea961ff | 2014-10-01 12:45:15 -0700 | [diff] [blame] | 16 | package org.onlab.onos.store.trivial.impl; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 17 | |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 18 | import java.util.ArrayList; |
| 19 | import java.util.List; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 20 | import java.util.Set; |
| 21 | import java.util.concurrent.atomic.AtomicInteger; |
| 22 | |
| 23 | import org.junit.After; |
| 24 | import org.junit.Before; |
| 25 | import org.junit.Test; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 26 | import org.onlab.onos.cluster.NodeId; |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 27 | import org.onlab.onos.mastership.MastershipEvent; |
Yuta HIGUCHI | 80912e6 | 2014-10-12 00:15:47 -0700 | [diff] [blame] | 28 | import org.onlab.onos.mastership.MastershipTerm; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 29 | import org.onlab.onos.net.DeviceId; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 30 | |
| 31 | import com.google.common.collect.Sets; |
| 32 | |
| 33 | import static org.junit.Assert.assertEquals; |
| 34 | import static org.junit.Assert.assertNull; |
| 35 | import static org.junit.Assert.assertTrue; |
Yuta HIGUCHI | 80912e6 | 2014-10-12 00:15:47 -0700 | [diff] [blame] | 36 | import static org.onlab.onos.mastership.MastershipEvent.Type.*; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 37 | import static org.onlab.onos.net.MastershipRole.*; |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 38 | |
| 39 | /** |
| 40 | * Test for the simple MastershipStore implementation. |
| 41 | */ |
| 42 | public class SimpleMastershipStoreTest { |
| 43 | |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 44 | private static final DeviceId DID1 = DeviceId.deviceId("of:01"); |
| 45 | private static final DeviceId DID2 = DeviceId.deviceId("of:02"); |
| 46 | private static final DeviceId DID3 = DeviceId.deviceId("of:03"); |
| 47 | private static final DeviceId DID4 = DeviceId.deviceId("of:04"); |
| 48 | |
| 49 | private static final NodeId N1 = new NodeId("local"); |
| 50 | private static final NodeId N2 = new NodeId("other"); |
| 51 | |
| 52 | private SimpleMastershipStore sms; |
| 53 | |
| 54 | @Before |
| 55 | public void setUp() throws Exception { |
| 56 | sms = new SimpleMastershipStore(); |
| 57 | sms.activate(); |
| 58 | } |
| 59 | |
| 60 | @After |
| 61 | public void tearDown() throws Exception { |
| 62 | sms.deactivate(); |
| 63 | } |
| 64 | |
| 65 | @Test |
| 66 | public void getRole() { |
| 67 | //special case, no backup or master |
| 68 | put(DID1, N1, false, false); |
| 69 | assertEquals("wrong role", NONE, sms.getRole(N1, DID1)); |
| 70 | |
| 71 | //backup exists but we aren't mapped |
| 72 | put(DID2, N1, false, true); |
| 73 | assertEquals("wrong role", STANDBY, sms.getRole(N1, DID2)); |
| 74 | |
| 75 | //N2 is master |
| 76 | put(DID3, N2, true, true); |
| 77 | assertEquals("wrong role", MASTER, sms.getRole(N2, DID3)); |
| 78 | |
| 79 | //N2 is master but N1 is only in backups set |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 80 | put(DID4, N1, false, true); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 81 | put(DID4, N2, true, false); |
| 82 | assertEquals("wrong role", STANDBY, sms.getRole(N1, DID4)); |
| 83 | } |
| 84 | |
| 85 | @Test |
| 86 | public void getMaster() { |
| 87 | put(DID3, N2, true, true); |
| 88 | assertEquals("wrong role", MASTER, sms.getRole(N2, DID3)); |
| 89 | assertEquals("wrong device", N2, sms.getMaster(DID3)); |
| 90 | } |
| 91 | |
| 92 | @Test |
| 93 | public void setMaster() { |
| 94 | put(DID1, N1, false, false); |
| 95 | assertEquals("wrong event", MASTER_CHANGED, sms.setMaster(N1, DID1).type()); |
| 96 | assertEquals("wrong role", MASTER, sms.getRole(N1, DID1)); |
| 97 | //set node that's already master - should be ignored |
| 98 | assertNull("wrong event", sms.setMaster(N1, DID1)); |
| 99 | |
| 100 | //set STANDBY to MASTER |
| 101 | put(DID2, N1, false, true); |
| 102 | assertEquals("wrong role", STANDBY, sms.getRole(N1, DID2)); |
| 103 | assertEquals("wrong event", MASTER_CHANGED, sms.setMaster(N1, DID2).type()); |
| 104 | assertEquals("wrong role", MASTER, sms.getRole(N1, DID2)); |
| 105 | } |
| 106 | |
| 107 | @Test |
| 108 | public void getDevices() { |
| 109 | Set<DeviceId> d = Sets.newHashSet(DID1, DID2); |
| 110 | |
| 111 | put(DID1, N2, true, true); |
| 112 | put(DID2, N2, true, true); |
| 113 | put(DID3, N1, true, true); |
| 114 | assertTrue("wrong devices", d.equals(sms.getDevices(N2))); |
| 115 | } |
| 116 | |
| 117 | @Test |
| 118 | public void getTermFor() { |
| 119 | put(DID1, N1, true, true); |
| 120 | assertEquals("wrong term", MastershipTerm.of(N1, 0), sms.getTermFor(DID1)); |
| 121 | |
| 122 | //switch to N2 and back - 2 term switches |
| 123 | sms.setMaster(N2, DID1); |
| 124 | sms.setMaster(N1, DID1); |
| 125 | assertEquals("wrong term", MastershipTerm.of(N1, 2), sms.getTermFor(DID1)); |
| 126 | } |
| 127 | |
| 128 | @Test |
| 129 | public void requestRole() { |
| 130 | //NONE - become MASTER |
| 131 | put(DID1, N1, false, false); |
| 132 | assertEquals("wrong role", MASTER, sms.requestRole(DID1)); |
| 133 | |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 134 | //was STANDBY - become MASTER |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 135 | put(DID2, N1, false, true); |
| 136 | assertEquals("wrong role", MASTER, sms.requestRole(DID2)); |
| 137 | |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 138 | //other MASTER - stay STANDBY |
| 139 | put(DID3, N2, true, false); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 140 | assertEquals("wrong role", STANDBY, sms.requestRole(DID3)); |
| 141 | |
| 142 | //local (N1) is MASTER - stay MASTER |
| 143 | put(DID4, N1, true, true); |
| 144 | assertEquals("wrong role", MASTER, sms.requestRole(DID4)); |
| 145 | } |
| 146 | |
| 147 | @Test |
| 148 | public void unsetMaster() { |
| 149 | //NONE - record backup but take no other action |
| 150 | put(DID1, N1, false, false); |
Ayaka Koshibe | c404770 | 2014-10-07 14:43:52 -0700 | [diff] [blame] | 151 | sms.setStandby(N1, DID1); |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 152 | assertTrue("not backed up", sms.backups.get(DID1).contains(N1)); |
| 153 | int prev = sms.termMap.get(DID1).get(); |
Ayaka Koshibe | c404770 | 2014-10-07 14:43:52 -0700 | [diff] [blame] | 154 | sms.setStandby(N1, DID1); |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 155 | assertEquals("term should not change", prev, sms.termMap.get(DID1).get()); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 156 | |
| 157 | //no backup, MASTER |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 158 | put(DID1, N1, true, false); |
| 159 | assertNull("expect no MASTER event", sms.setStandby(N1, DID1).roleInfo().master()); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 160 | assertNull("wrong node", sms.masterMap.get(DID1)); |
| 161 | |
| 162 | //backup, switch |
| 163 | sms.masterMap.clear(); |
| 164 | put(DID1, N1, true, true); |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 165 | put(DID1, N2, false, true); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 166 | put(DID2, N2, true, true); |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 167 | MastershipEvent event = sms.setStandby(N1, DID1); |
| 168 | assertEquals("wrong event", MASTER_CHANGED, event.type()); |
| 169 | assertEquals("wrong master", N2, event.roleInfo().master()); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 170 | } |
| 171 | |
| 172 | //helper to populate master/backup structures |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 173 | private void put(DeviceId dev, NodeId node, boolean master, boolean backup) { |
| 174 | if (master) { |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 175 | sms.masterMap.put(dev, node); |
Yuta HIGUCHI | 0c6e184 | 2014-11-05 22:34:23 -0800 | [diff] [blame] | 176 | } else if (backup) { |
| 177 | List<NodeId> stbys = sms.backups.getOrDefault(dev, new ArrayList<>()); |
| 178 | stbys.add(node); |
| 179 | sms.backups.put(dev, stbys); |
Ayaka Koshibe | 1743ddb | 2014-09-30 15:24:48 -0700 | [diff] [blame] | 180 | } |
| 181 | sms.termMap.put(dev, new AtomicInteger()); |
| 182 | } |
| 183 | } |