Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 1 | /* |
Brian O'Connor | 5ab426f | 2016-04-09 01:19:45 -0700 | [diff] [blame] | 2 | * Copyright 2015-present Open Networking Laboratory |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 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 | */ |
| 16 | package org.onosproject.store.intent.impl; |
| 17 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 18 | import com.google.common.collect.ImmutableList; |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 19 | import org.apache.commons.lang.math.RandomUtils; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 20 | import org.apache.felix.scr.annotations.Activate; |
| 21 | import org.apache.felix.scr.annotations.Component; |
| 22 | import org.apache.felix.scr.annotations.Deactivate; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 23 | import org.apache.felix.scr.annotations.Modified; |
| 24 | import org.apache.felix.scr.annotations.Property; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 25 | import org.apache.felix.scr.annotations.Reference; |
| 26 | import org.apache.felix.scr.annotations.ReferenceCardinality; |
| 27 | import org.apache.felix.scr.annotations.Service; |
| 28 | import org.onlab.util.KryoNamespace; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 29 | import org.onosproject.cfg.ComponentConfigService; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 30 | import org.onosproject.cluster.ClusterService; |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 31 | import org.onosproject.cluster.ControllerNode; |
| 32 | import org.onosproject.cluster.NodeId; |
Brian Stanke | 11f6d53 | 2016-07-05 16:17:59 -0400 | [diff] [blame] | 33 | import org.onosproject.incubator.net.virtual.NetworkId; |
| 34 | import org.onosproject.incubator.net.virtual.VirtualNetworkIntent; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 35 | import org.onosproject.net.intent.Intent; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 36 | import org.onosproject.net.intent.IntentData; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 37 | import org.onosproject.net.intent.IntentEvent; |
Brian O'Connor | c590ebb | 2016-12-08 18:16:41 -0800 | [diff] [blame^] | 38 | import org.onosproject.net.intent.WorkPartitionService; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 39 | import org.onosproject.net.intent.IntentState; |
| 40 | import org.onosproject.net.intent.IntentStore; |
| 41 | import org.onosproject.net.intent.IntentStoreDelegate; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 42 | import org.onosproject.net.intent.Key; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 43 | import org.onosproject.store.AbstractStore; |
Brian O'Connor | 3822430 | 2016-08-02 22:03:01 -0700 | [diff] [blame] | 44 | import org.onosproject.store.Timestamp; |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 45 | import org.onosproject.store.serializers.KryoNamespaces; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 46 | import org.onosproject.store.service.EventuallyConsistentMap; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 47 | import org.onosproject.store.service.EventuallyConsistentMapBuilder; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 48 | import org.onosproject.store.service.EventuallyConsistentMapEvent; |
| 49 | import org.onosproject.store.service.EventuallyConsistentMapListener; |
Brian Stanke | 2617dac | 2016-05-03 16:15:44 -0400 | [diff] [blame] | 50 | import org.onosproject.store.service.MultiValuedTimestamp; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 51 | import org.onosproject.store.service.StorageService; |
Brian Stanke | 2617dac | 2016-05-03 16:15:44 -0400 | [diff] [blame] | 52 | import org.onosproject.store.service.WallClockTimestamp; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 53 | import org.osgi.service.component.ComponentContext; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 54 | import org.slf4j.Logger; |
| 55 | |
Brian O'Connor | 9081c90 | 2015-03-05 16:26:25 -0800 | [diff] [blame] | 56 | import java.util.Collection; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 57 | import java.util.Dictionary; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 58 | import java.util.List; |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 59 | import java.util.Objects; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 60 | import java.util.Properties; |
Madan Jampani | bcf1a48 | 2015-06-24 19:05:56 -0700 | [diff] [blame] | 61 | import java.util.concurrent.atomic.AtomicLong; |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 62 | import java.util.stream.Collectors; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 63 | |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame] | 64 | import static com.google.common.base.Preconditions.checkNotNull; |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 65 | import static com.google.common.base.Strings.isNullOrEmpty; |
| 66 | import static org.onlab.util.Tools.get; |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 67 | import static org.onosproject.net.intent.IntentState.PURGE_REQ; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 68 | import static org.slf4j.LoggerFactory.getLogger; |
| 69 | |
| 70 | /** |
| 71 | * Manages inventory of Intents in a distributed data store that uses optimistic |
| 72 | * replication and gossip based techniques. |
| 73 | */ |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 74 | //FIXME we should listen for leadership changes. if the local instance has just |
| 75 | // ... become a leader, scan the pending map and process those |
Sho SHIMIZU | 5c396e3 | 2016-08-12 15:19:12 -0700 | [diff] [blame] | 76 | @Component(immediate = true) |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 77 | @Service |
| 78 | public class GossipIntentStore |
| 79 | extends AbstractStore<IntentEvent, IntentStoreDelegate> |
| 80 | implements IntentStore { |
| 81 | |
| 82 | private final Logger log = getLogger(getClass()); |
| 83 | |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 84 | private static final boolean PERSIST = false; |
| 85 | |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 86 | // Map of intent key => current intent state |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 87 | private EventuallyConsistentMap<Key, IntentData> currentMap; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 88 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 89 | // Map of intent key => pending intent operation |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 90 | private EventuallyConsistentMap<Key, IntentData> pendingMap; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 91 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 92 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 93 | protected ComponentConfigService configService; |
| 94 | |
| 95 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 96 | protected ClusterService clusterService; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 97 | |
| 98 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 99 | protected StorageService storageService; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 100 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 101 | @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
Madan Jampani | 3b8101a | 2016-09-15 13:22:01 -0700 | [diff] [blame] | 102 | protected WorkPartitionService partitionService; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 103 | |
Madan Jampani | bcf1a48 | 2015-06-24 19:05:56 -0700 | [diff] [blame] | 104 | private final AtomicLong sequenceNumber = new AtomicLong(0); |
| 105 | |
Frank Wang | e0eb5ce | 2016-07-01 18:21:25 +0800 | [diff] [blame] | 106 | private EventuallyConsistentMapListener<Key, IntentData> |
| 107 | mapCurrentListener = new InternalCurrentListener(); |
| 108 | |
| 109 | private EventuallyConsistentMapListener<Key, IntentData> |
| 110 | mapPendingListener = new InternalPendingListener(); |
| 111 | |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 112 | //Denotes the initial persistence value for this structure |
| 113 | private boolean initiallyPersistent = false; |
| 114 | |
| 115 | //TODO this is currently an experimental feature used for performance |
| 116 | // evalutaion, enabling persistence with persist the intents but they will |
| 117 | // not be reinstalled and network state will not be consistent with the |
| 118 | // intents on cluster restart |
| 119 | @Property(name = "persistenceEnabled", boolValue = PERSIST, |
| 120 | label = "EXPERIMENTAL: Enable intent persistence") |
| 121 | private boolean persistenceEnabled; |
| 122 | |
| 123 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 124 | @Activate |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 125 | public void activate(ComponentContext context) { |
| 126 | configService.registerProperties(getClass()); |
| 127 | modified(context); |
| 128 | //TODO persistent intents must be reevaluated and the appropriate |
| 129 | //processing done here, current implementation is not functional |
| 130 | //and is for performance evaluation only |
| 131 | initiallyPersistent = persistenceEnabled; |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 132 | KryoNamespace.Builder intentSerializer = KryoNamespace.newBuilder() |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 133 | .register(KryoNamespaces.API) |
| 134 | .register(IntentData.class) |
Brian Stanke | 11f6d53 | 2016-07-05 16:17:59 -0400 | [diff] [blame] | 135 | .register(VirtualNetworkIntent.class) |
| 136 | .register(NetworkId.class) |
HIGUCHI Yuta | 03666a3 | 2016-05-18 11:49:09 -0700 | [diff] [blame] | 137 | .register(MultiValuedTimestamp.class); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 138 | |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 139 | EventuallyConsistentMapBuilder currentECMapBuilder = |
| 140 | storageService.<Key, IntentData>eventuallyConsistentMapBuilder() |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 141 | .withName("intent-current") |
| 142 | .withSerializer(intentSerializer) |
Madan Jampani | bcf1a48 | 2015-06-24 19:05:56 -0700 | [diff] [blame] | 143 | .withTimestampProvider((key, intentData) -> |
Brian O'Connor | c590ebb | 2016-12-08 18:16:41 -0800 | [diff] [blame^] | 144 | new MultiValuedTimestamp<>(intentData == null ? |
| 145 | new WallClockTimestamp() : intentData.version(), |
| 146 | sequenceNumber.getAndIncrement())) |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 147 | .withPeerUpdateFunction((key, intentData) -> getPeerNodes(key, intentData)); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 148 | |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 149 | EventuallyConsistentMapBuilder pendingECMapBuilder = |
| 150 | storageService.<Key, IntentData>eventuallyConsistentMapBuilder() |
Jonathan Hart | 6ec029a | 2015-03-24 17:12:35 -0700 | [diff] [blame] | 151 | .withName("intent-pending") |
| 152 | .withSerializer(intentSerializer) |
Brian O'Connor | c590ebb | 2016-12-08 18:16:41 -0800 | [diff] [blame^] | 153 | .withTimestampProvider((key, intentData) -> |
| 154 | /* |
| 155 | We always want to accept new values in the pending map, |
| 156 | so we should use a high performance logical clock. |
| 157 | */ |
| 158 | /* |
| 159 | TODO We use the wall clock for the time being, but |
| 160 | this could result in issues if there is clock skew |
| 161 | across instances. |
| 162 | */ |
| 163 | new MultiValuedTimestamp<>(new WallClockTimestamp(), System.nanoTime())) |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 164 | .withPeerUpdateFunction((key, intentData) -> getPeerNodes(key, intentData)); |
| 165 | if (initiallyPersistent) { |
| 166 | currentECMapBuilder = currentECMapBuilder.withPersistence(); |
| 167 | pendingECMapBuilder = pendingECMapBuilder.withPersistence(); |
| 168 | } |
| 169 | currentMap = currentECMapBuilder.build(); |
| 170 | pendingMap = pendingECMapBuilder.build(); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 171 | |
Frank Wang | e0eb5ce | 2016-07-01 18:21:25 +0800 | [diff] [blame] | 172 | currentMap.addListener(mapCurrentListener); |
| 173 | pendingMap.addListener(mapPendingListener); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 174 | |
| 175 | log.info("Started"); |
| 176 | } |
| 177 | |
| 178 | @Deactivate |
| 179 | public void deactivate() { |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 180 | if (initiallyPersistent && !persistenceEnabled) { |
| 181 | pendingMap.clear(); |
| 182 | currentMap.clear(); |
| 183 | log.debug("Persistent state has been purged"); |
| 184 | } |
Frank Wang | e0eb5ce | 2016-07-01 18:21:25 +0800 | [diff] [blame] | 185 | currentMap.removeListener(mapCurrentListener); |
| 186 | pendingMap.removeListener(mapPendingListener); |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 187 | currentMap.destroy(); |
| 188 | pendingMap.destroy(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 189 | |
| 190 | log.info("Stopped"); |
| 191 | } |
| 192 | |
Aaron Kruglikov | 3721041 | 2016-12-06 12:55:57 -0800 | [diff] [blame] | 193 | @Modified |
| 194 | public void modified(ComponentContext context) { |
| 195 | Dictionary<?, ?> properties = context != null ? context.getProperties() |
| 196 | : new Properties(); |
| 197 | try { |
| 198 | String s = get(properties, "persistenceEnabled"); |
| 199 | persistenceEnabled = isNullOrEmpty(s) ? PERSIST : |
| 200 | Boolean.parseBoolean(s.trim()); |
| 201 | } catch (Exception e) { |
| 202 | persistenceEnabled = initiallyPersistent; |
| 203 | log.error("Failed to retrieve the property value for persist," + |
| 204 | "defaulting to the initial setting of \"{}\"" + |
| 205 | "any persistent state will not be purged, if " + |
| 206 | "this occurred at startup changes made in this" + |
| 207 | "session will not be persisted to disk", |
| 208 | initiallyPersistent); |
| 209 | } |
| 210 | if (persistenceEnabled) { |
| 211 | //FIXME persistence is an experimental feature, warnings can be removed |
| 212 | //when the feature is completed |
| 213 | log.warn("Persistence is an experimental feature, it is not fully " + |
| 214 | "functional and is intended only for " + |
| 215 | "performance evaluation"); |
| 216 | } |
| 217 | if (!initiallyPersistent && !persistenceEnabled) { |
| 218 | log.info("Persistence is set to \"false\", this was the initial" + |
| 219 | " setting so no state will be purged or " + |
| 220 | "persisted"); |
| 221 | } else if (!initiallyPersistent && persistenceEnabled) { |
| 222 | log.info("Persistence is set to \"true\", entries will be begin " + |
| 223 | "to be persisted after restart"); |
| 224 | } else if (initiallyPersistent && !persistenceEnabled) { |
| 225 | log.info("Persistence is set to \"false\", all persistent state " + |
| 226 | "will be purged on next shutdown"); |
| 227 | } else { |
| 228 | log.info("Persistence is set to \"true\", entries from this and" + |
| 229 | " subsequent sessions will be persisted"); |
| 230 | } |
| 231 | |
| 232 | |
| 233 | } |
| 234 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 235 | @Override |
| 236 | public long getIntentCount() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 237 | return currentMap.size(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | @Override |
| 241 | public Iterable<Intent> getIntents() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 242 | return currentMap.values().stream() |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 243 | .map(IntentData::intent) |
| 244 | .collect(Collectors.toList()); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | @Override |
Brian O'Connor | a6c9b5c | 2015-04-29 22:38:29 -0700 | [diff] [blame] | 248 | public Iterable<IntentData> getIntentData(boolean localOnly, long olderThan) { |
| 249 | if (localOnly || olderThan > 0) { |
| 250 | long now = System.currentTimeMillis(); |
| 251 | final WallClockTimestamp time = new WallClockTimestamp(now - olderThan); |
Brian O'Connor | 3c58e96 | 2015-04-28 23:21:51 -0700 | [diff] [blame] | 252 | return currentMap.values().stream() |
Brian O'Connor | a6c9b5c | 2015-04-29 22:38:29 -0700 | [diff] [blame] | 253 | .filter(data -> data.version().isOlderThan(time) && |
| 254 | (!localOnly || isMaster(data.key()))) |
Brian O'Connor | 3c58e96 | 2015-04-28 23:21:51 -0700 | [diff] [blame] | 255 | .collect(Collectors.toList()); |
| 256 | } |
| 257 | return currentMap.values(); |
| 258 | } |
| 259 | |
| 260 | @Override |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 261 | public IntentState getIntentState(Key intentKey) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 262 | IntentData data = currentMap.get(intentKey); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 263 | if (data != null) { |
| 264 | return data.state(); |
| 265 | } |
| 266 | return null; |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | @Override |
Ray Milkey | f9af43c | 2015-02-09 16:45:48 -0800 | [diff] [blame] | 270 | public List<Intent> getInstallableIntents(Key intentKey) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 271 | IntentData data = currentMap.get(intentKey); |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 272 | if (data != null) { |
| 273 | return data.installables(); |
| 274 | } |
Sho SHIMIZU | 9fa6b8b | 2016-01-15 16:45:57 -0800 | [diff] [blame] | 275 | return ImmutableList.of(); |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 276 | } |
| 277 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 278 | @Override |
| 279 | public void write(IntentData newData) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame] | 280 | checkNotNull(newData); |
| 281 | |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 282 | IntentData currentData = currentMap.get(newData.key()); |
Jonathan Hart | 72175c2 | 2015-03-24 18:55:58 -0700 | [diff] [blame] | 283 | if (IntentData.isUpdateAcceptable(currentData, newData)) { |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 284 | // Only the master is modifying the current state. Therefore assume |
| 285 | // this always succeeds |
Thomas Vachuska | 7d61ab2 | 2016-06-13 19:41:52 -0700 | [diff] [blame] | 286 | if (newData.state() == PURGE_REQ) { |
| 287 | if (currentData != null) { |
| 288 | currentMap.remove(newData.key(), currentData); |
| 289 | } else { |
| 290 | log.info("Gratuitous purge request for intent: {}", newData.key()); |
| 291 | } |
Ray Milkey | 8c6d00e | 2015-03-13 14:14:34 -0700 | [diff] [blame] | 292 | } else { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame] | 293 | currentMap.put(newData.key(), new IntentData(newData)); |
Ray Milkey | 8c6d00e | 2015-03-13 14:14:34 -0700 | [diff] [blame] | 294 | } |
Jonathan Hart | 07e58be | 2015-02-12 09:57:16 -0800 | [diff] [blame] | 295 | } |
Brian O'Connor | c590ebb | 2016-12-08 18:16:41 -0800 | [diff] [blame^] | 296 | /* |
| 297 | * Remove the intent data from the pending map if the newData is more |
| 298 | * recent or equal to the existing entry. No matter if it is an acceptable |
| 299 | * update or not. |
| 300 | */ |
| 301 | pendingMap.compute(newData.key(), (key, existingValue) -> { |
| 302 | if (existingValue == null || !existingValue.version().isNewerThan(newData.version())) { |
| 303 | return null; |
| 304 | } else { |
| 305 | return existingValue; |
| 306 | } |
| 307 | }); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 308 | } |
| 309 | |
Brian O'Connor | 9081c90 | 2015-03-05 16:26:25 -0800 | [diff] [blame] | 310 | private Collection<NodeId> getPeerNodes(Key key, IntentData data) { |
Madan Jampani | 3b8101a | 2016-09-15 13:22:01 -0700 | [diff] [blame] | 311 | NodeId master = partitionService.getLeader(key, Key::hash); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 312 | NodeId origin = (data != null) ? data.origin() : null; |
Jonathan Hart | 4a29c59 | 2015-09-23 17:55:07 -0700 | [diff] [blame] | 313 | if (data != null && (master == null || origin == null)) { |
Brian O'Connor | 6325dad | 2015-07-07 15:36:29 -0700 | [diff] [blame] | 314 | log.debug("Intent {} missing master and/or origin; master = {}, origin = {}", |
| 315 | key, master, origin); |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 316 | } |
| 317 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 318 | NodeId me = clusterService.getLocalNode().id(); |
| 319 | boolean isMaster = Objects.equals(master, me); |
| 320 | boolean isOrigin = Objects.equals(origin, me); |
| 321 | if (isMaster && isOrigin) { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 322 | return getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 323 | } else if (isMaster) { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 324 | return origin != null ? ImmutableList.of(origin) : getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 325 | } else if (isOrigin) { |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 326 | return master != null ? ImmutableList.of(master) : getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 327 | } else { |
Brian O'Connor | 6325dad | 2015-07-07 15:36:29 -0700 | [diff] [blame] | 328 | log.warn("No master or origin for intent {}", key); |
Brian O'Connor | 148ba2f | 2015-07-06 11:38:44 -0700 | [diff] [blame] | 329 | return master != null ? ImmutableList.of(master) : getRandomNode(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 330 | } |
| 331 | } |
| 332 | |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 333 | private List<NodeId> getRandomNode() { |
| 334 | NodeId me = clusterService.getLocalNode().id(); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 335 | List<NodeId> nodes = clusterService.getNodes().stream() |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 336 | .map(ControllerNode::id) |
| 337 | .filter(node -> !Objects.equals(node, me)) |
| 338 | .collect(Collectors.toList()); |
Sho SHIMIZU | 27e1b92 | 2016-01-15 22:47:44 -0800 | [diff] [blame] | 339 | if (nodes.isEmpty()) { |
| 340 | return ImmutableList.of(); |
Brian O'Connor | 4964d3d | 2015-03-12 20:38:10 -0700 | [diff] [blame] | 341 | } |
| 342 | return ImmutableList.of(nodes.get(RandomUtils.nextInt(nodes.size()))); |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 343 | } |
| 344 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 345 | @Override |
| 346 | public void batchWrite(Iterable<IntentData> updates) { |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 347 | updates.forEach(this::write); |
| 348 | } |
| 349 | |
| 350 | @Override |
| 351 | public Intent getIntent(Key key) { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 352 | IntentData data = currentMap.get(key); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 353 | if (data != null) { |
| 354 | return data.intent(); |
| 355 | } |
| 356 | return null; |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | @Override |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 360 | public IntentData getIntentData(Key key) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame] | 361 | IntentData current = currentMap.get(key); |
| 362 | if (current == null) { |
| 363 | return null; |
| 364 | } |
| 365 | return new IntentData(current); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 366 | } |
| 367 | |
| 368 | @Override |
| 369 | public void addPending(IntentData data) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame] | 370 | checkNotNull(data); |
| 371 | |
Brian O'Connor | 3822430 | 2016-08-02 22:03:01 -0700 | [diff] [blame] | 372 | Timestamp version = data.version() != null ? data.version() : new WallClockTimestamp(); |
| 373 | pendingMap.compute(data.key(), (key, existingValue) -> { |
| 374 | if (existingValue == null || existingValue.version().isOlderThan(version)) { |
Brian O'Connor | c590ebb | 2016-12-08 18:16:41 -0800 | [diff] [blame^] | 375 | /* |
| 376 | * This avoids to create Intent with state == request, which can |
| 377 | * be problematic if the Intent state is different from *REQ |
| 378 | * {INSTALL_, WITHDRAW_ and PURGE_}. |
| 379 | */ |
| 380 | return new IntentData(data.intent(), data.state(), data.request(), |
Brian O'Connor | 3822430 | 2016-08-02 22:03:01 -0700 | [diff] [blame] | 381 | version, clusterService.getLocalNode().id()); |
| 382 | } else { |
| 383 | return existingValue; |
| 384 | } |
| 385 | }); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 386 | } |
| 387 | |
| 388 | @Override |
Brian O'Connor | be28a87 | 2015-02-19 21:44:37 -0800 | [diff] [blame] | 389 | public boolean isMaster(Key intentKey) { |
Madan Jampani | 3b8101a | 2016-09-15 13:22:01 -0700 | [diff] [blame] | 390 | return partitionService.isMine(intentKey, Key::hash); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 391 | } |
| 392 | |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 393 | @Override |
| 394 | public Iterable<Intent> getPending() { |
Brian O'Connor | 645bf20 | 2015-02-24 12:00:58 -0800 | [diff] [blame] | 395 | return pendingMap.values().stream() |
Jonathan Hart | 34f1e38 | 2015-02-24 16:52:23 -0800 | [diff] [blame] | 396 | .map(IntentData::intent) |
| 397 | .collect(Collectors.toList()); |
| 398 | } |
| 399 | |
Brian O'Connor | a6c9b5c | 2015-04-29 22:38:29 -0700 | [diff] [blame] | 400 | @Override |
| 401 | public Iterable<IntentData> getPendingData() { |
| 402 | return pendingMap.values(); |
| 403 | } |
| 404 | |
| 405 | @Override |
Brian O'Connor | c590ebb | 2016-12-08 18:16:41 -0800 | [diff] [blame^] | 406 | public IntentData getPendingData(Key intentKey) { |
| 407 | return pendingMap.get(intentKey); |
| 408 | } |
| 409 | |
| 410 | @Override |
Brian O'Connor | a6c9b5c | 2015-04-29 22:38:29 -0700 | [diff] [blame] | 411 | public Iterable<IntentData> getPendingData(boolean localOnly, long olderThan) { |
| 412 | long now = System.currentTimeMillis(); |
| 413 | final WallClockTimestamp time = new WallClockTimestamp(now - olderThan); |
| 414 | return pendingMap.values().stream() |
| 415 | .filter(data -> data.version().isOlderThan(time) && |
Brian Stanke | 2617dac | 2016-05-03 16:15:44 -0400 | [diff] [blame] | 416 | (!localOnly || isMaster(data.key()))) |
Brian O'Connor | a6c9b5c | 2015-04-29 22:38:29 -0700 | [diff] [blame] | 417 | .collect(Collectors.toList()); |
| 418 | } |
| 419 | |
Brian O'Connor | 5eb77c8 | 2015-03-02 18:09:39 -0800 | [diff] [blame] | 420 | private final class InternalCurrentListener implements |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 421 | EventuallyConsistentMapListener<Key, IntentData> { |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 422 | @Override |
Thomas Vachuska | c46af20 | 2015-06-03 16:43:27 -0700 | [diff] [blame] | 423 | public void event(EventuallyConsistentMapEvent<Key, IntentData> event) { |
| 424 | IntentData intentData = event.value(); |
Thomas Vachuska | c46af20 | 2015-06-03 16:43:27 -0700 | [diff] [blame] | 425 | if (event.type() == EventuallyConsistentMapEvent.Type.PUT) { |
| 426 | // The current intents map has been updated. If we are master for |
| 427 | // this intent's partition, notify the Manager that it should |
| 428 | // emit notifications about updated tracked resources. |
| 429 | if (delegate != null && isMaster(event.value().intent().key())) { |
| 430 | delegate.onUpdate(new IntentData(intentData)); // copy for safety, likely unnecessary |
| 431 | } |
Sho SHIMIZU | 96b39e2 | 2016-01-15 17:35:04 -0800 | [diff] [blame] | 432 | IntentEvent.getEvent(intentData).ifPresent(e -> notifyDelegate(e)); |
Jonathan Hart | 539a646 | 2015-01-27 17:05:43 -0800 | [diff] [blame] | 433 | } |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 434 | } |
| 435 | } |
| 436 | |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 437 | private final class InternalPendingListener implements |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 438 | EventuallyConsistentMapListener<Key, IntentData> { |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 439 | @Override |
| 440 | public void event( |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 441 | EventuallyConsistentMapEvent<Key, IntentData> event) { |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 442 | if (event.type() == EventuallyConsistentMapEvent.Type.PUT) { |
| 443 | // The pending intents map has been updated. If we are master for |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 444 | // this intent's partition, notify the Manager that it should do |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 445 | // some work. |
Brian O'Connor | be28a87 | 2015-02-19 21:44:37 -0800 | [diff] [blame] | 446 | if (isMaster(event.value().intent().key())) { |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 447 | if (delegate != null) { |
Jonathan Hart | 0d18df3 | 2015-03-21 08:42:59 -0700 | [diff] [blame] | 448 | delegate.process(new IntentData(event.value())); |
Jonathan Hart | 4fd4ebb | 2015-02-04 17:38:48 -0800 | [diff] [blame] | 449 | } |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 450 | } |
Jonathan Hart | 5ec32ba | 2015-02-05 13:33:58 -0800 | [diff] [blame] | 451 | |
Sho SHIMIZU | 96b39e2 | 2016-01-15 17:35:04 -0800 | [diff] [blame] | 452 | IntentEvent.getEvent(event.value()).ifPresent(e -> notifyDelegate(e)); |
Jonathan Hart | 74c8313 | 2015-02-02 18:37:57 -0800 | [diff] [blame] | 453 | } |
| 454 | } |
| 455 | } |
| 456 | |
Jonathan Hart | 5573d32 | 2015-01-21 10:13:25 -0800 | [diff] [blame] | 457 | } |
| 458 | |