2 * Copyright (c) 2021 PANTHEON.tech, s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.eos.akka;
10 import static org.awaitility.Awaitility.await;
11 import static org.junit.Assert.assertEquals;
13 import akka.actor.ActorSystem;
14 import akka.actor.Address;
15 import akka.actor.typed.ActorRef;
16 import akka.actor.typed.Behavior;
17 import akka.actor.typed.javadsl.Adapter;
18 import akka.actor.typed.javadsl.AskPattern;
19 import akka.actor.typed.javadsl.Behaviors;
20 import akka.cluster.ddata.LWWRegister;
21 import akka.cluster.ddata.LWWRegisterKey;
22 import akka.cluster.ddata.ORMap;
23 import akka.cluster.ddata.ORSet;
24 import akka.cluster.ddata.typed.javadsl.DistributedData;
25 import akka.cluster.ddata.typed.javadsl.Replicator;
26 import com.typesafe.config.Config;
27 import com.typesafe.config.ConfigFactory;
28 import java.time.Duration;
29 import java.util.ArrayList;
30 import java.util.HashMap;
31 import java.util.List;
34 import java.util.concurrent.CompletableFuture;
35 import java.util.concurrent.CompletionStage;
36 import java.util.concurrent.ExecutionException;
37 import java.util.concurrent.TimeUnit;
38 import java.util.function.Supplier;
39 import org.opendaylight.controller.eos.akka.bootstrap.EOSMain;
40 import org.opendaylight.controller.eos.akka.bootstrap.command.BootstrapCommand;
41 import org.opendaylight.controller.eos.akka.bootstrap.command.GetRunningContext;
42 import org.opendaylight.controller.eos.akka.bootstrap.command.RunningContext;
43 import org.opendaylight.controller.eos.akka.owner.supervisor.command.ActivateDataCenter;
44 import org.opendaylight.controller.eos.akka.owner.supervisor.command.DeactivateDataCenter;
45 import org.opendaylight.controller.eos.akka.owner.supervisor.command.MemberReachableEvent;
46 import org.opendaylight.controller.eos.akka.owner.supervisor.command.MemberUnreachableEvent;
47 import org.opendaylight.controller.eos.akka.owner.supervisor.command.OwnerSupervisorCommand;
48 import org.opendaylight.controller.eos.akka.owner.supervisor.command.OwnerSupervisorReply;
49 import org.opendaylight.controller.eos.akka.registry.candidate.CandidateRegistry;
50 import org.opendaylight.controller.eos.akka.registry.candidate.command.CandidateRegistryCommand;
51 import org.opendaylight.controller.eos.akka.registry.candidate.command.RegisterCandidate;
52 import org.opendaylight.controller.eos.akka.registry.candidate.command.UnregisterCandidate;
53 import org.opendaylight.controller.eos.akka.registry.listener.type.command.RegisterListener;
54 import org.opendaylight.controller.eos.akka.registry.listener.type.command.TypeListenerRegistryCommand;
55 import org.opendaylight.mdsal.binding.dom.codec.impl.BindingCodecContext;
56 import org.opendaylight.mdsal.binding.generator.impl.DefaultBindingRuntimeGenerator;
57 import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeGenerator;
58 import org.opendaylight.mdsal.binding.runtime.spi.BindingRuntimeHelpers;
59 import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
60 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipChange;
61 import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
62 import org.slf4j.Logger;
63 import org.slf4j.LoggerFactory;
65 public abstract class AbstractNativeEosTest {
67 public static final DOMEntity ENTITY_1 = new DOMEntity("test-type", "entity-1");
68 public static final DOMEntity ENTITY_2 = new DOMEntity("test-type-2", "entity-2");
70 protected static final String DEFAULT_DATACENTER = "dc-default";
72 protected static final List<String> TWO_NODE_SEED_NODES =
73 List.of("akka://ClusterSystem@127.0.0.1:2550",
74 "akka://ClusterSystem@127.0.0.1:2551");
76 protected static final List<String> THREE_NODE_SEED_NODES =
77 List.of("akka://ClusterSystem@127.0.0.1:2550",
78 "akka://ClusterSystem@127.0.0.1:2551",
79 "akka://ClusterSystem@127.0.0.1:2552");
81 protected static final List<String> DATACENTER_SEED_NODES =
82 List.of("akka://ClusterSystem@127.0.0.1:2550",
83 "akka://ClusterSystem@127.0.0.1:2551",
84 "akka://ClusterSystem@127.0.0.1:2552",
85 "akka://ClusterSystem@127.0.0.1:2553");
87 private static final BindingRuntimeGenerator BINDING_RUNTIME_GENERATOR = new DefaultBindingRuntimeGenerator();
89 protected static BindingCodecContext CODEC_CONTEXT
90 = new BindingCodecContext(BindingRuntimeHelpers.createRuntimeContext());
92 private static final String REMOTE_PROTOCOL = "akka";
93 private static final String PORT_PARAM = "akka.remote.artery.canonical.port";
94 private static final String ROLE_PARAM = "akka.cluster.roles";
95 private static final String SEED_NODES_PARAM = "akka.cluster.seed-nodes";
96 private static final String DATA_CENTER_PARAM = "akka.cluster.multi-data-center.self-data-center";
98 protected static MockNativeEntityOwnershipService startupNativeService(final int port, final List<String> roles,
99 final List<String> seedNodes)
100 throws ExecutionException, InterruptedException {
101 final Map<String, Object> overrides = new HashMap<>();
102 overrides.put(PORT_PARAM, port);
103 overrides.put(ROLE_PARAM, roles);
104 if (!seedNodes.isEmpty()) {
105 overrides.put(SEED_NODES_PARAM, seedNodes);
108 final Config config = ConfigFactory.parseMap(overrides)
109 .withFallback(ConfigFactory.load());
111 // Create a classic Akka system since thats what we will have in osgi
112 final akka.actor.ActorSystem system = akka.actor.ActorSystem.create("ClusterSystem", config);
114 return new MockNativeEntityOwnershipService(system);
117 protected static ClusterNode startupRemote(final int port, final List<String> roles)
118 throws ExecutionException, InterruptedException {
119 return startup(port, roles, THREE_NODE_SEED_NODES);
122 protected static ClusterNode startupRemote(final int port, final List<String> roles, final List<String> seedNodes)
123 throws ExecutionException, InterruptedException {
124 return startup(port, roles, seedNodes);
127 protected static ClusterNode startup(final int port, final List<String> roles)
128 throws ExecutionException, InterruptedException {
129 return startup(port, roles, List.of());
132 protected static ClusterNode startup(final int port, final List<String> roles, final List<String> seedNodes)
133 throws ExecutionException, InterruptedException {
135 return startup(port, roles, seedNodes, AbstractNativeEosTest::rootBehavior);
138 protected static ClusterNode startup(final int port, final List<String> roles, final List<String> seedNodes,
139 final Supplier<Behavior<BootstrapCommand>> bootstrap)
140 throws ExecutionException, InterruptedException {
141 // Override the configuration
142 final Map<String, Object> overrides = new HashMap<>(4);
143 overrides.put(PORT_PARAM, port);
144 overrides.put(ROLE_PARAM, roles);
145 if (!seedNodes.isEmpty()) {
146 overrides.put(SEED_NODES_PARAM, seedNodes);
149 final Config config = ConfigFactory.parseMap(overrides).withFallback(ConfigFactory.load());
151 // Create a classic Akka system since thats what we will have in osgi
152 final akka.actor.ActorSystem system = akka.actor.ActorSystem.create("ClusterSystem", config);
153 final ActorRef<BootstrapCommand> eosBootstrap =
154 Adapter.spawn(system, bootstrap.get(), "EOSBootstrap");
156 final CompletionStage<RunningContext> ask = AskPattern.ask(eosBootstrap,
157 GetRunningContext::new,
158 Duration.ofSeconds(5),
159 Adapter.toTyped(system.scheduler()));
160 final RunningContext runningContext = ask.toCompletableFuture().get();
162 return new ClusterNode(port, roles, system, eosBootstrap, runningContext.getListenerRegistry(),
163 runningContext.getCandidateRegistry(), runningContext.getOwnerSupervisor());
166 protected static ClusterNode startupWithDatacenter(final int port, final List<String> roles,
167 final List<String> seedNodes, final String dataCenter)
168 throws ExecutionException, InterruptedException {
169 final akka.actor.ActorSystem system = startupActorSystem(port, roles, seedNodes, dataCenter);
170 final ActorRef<BootstrapCommand> eosBootstrap =
171 Adapter.spawn(system, EOSMain.create(CODEC_CONTEXT.getInstanceIdentifierCodec()), "EOSBootstrap");
173 final CompletionStage<RunningContext> ask = AskPattern.ask(eosBootstrap,
174 GetRunningContext::new,
175 Duration.ofSeconds(5),
176 Adapter.toTyped(system.scheduler()));
177 final RunningContext runningContext = ask.toCompletableFuture().get();
179 return new ClusterNode(port, roles, system, eosBootstrap, runningContext.getListenerRegistry(),
180 runningContext.getCandidateRegistry(), runningContext.getOwnerSupervisor());
183 protected static akka.actor.ActorSystem startupActorSystem(final int port, final List<String> roles,
184 final List<String> seedNodes) {
185 final Map<String, Object> overrides = new HashMap<>();
186 overrides.put(PORT_PARAM, port);
187 overrides.put(ROLE_PARAM, roles);
188 if (!seedNodes.isEmpty()) {
189 overrides.put(SEED_NODES_PARAM, seedNodes);
192 final Config config = ConfigFactory.parseMap(overrides)
193 .withFallback(ConfigFactory.load());
195 // Create a classic Akka system since thats what we will have in osgi
196 return akka.actor.ActorSystem.create("ClusterSystem", config);
199 protected static akka.actor.ActorSystem startupActorSystem(final int port, final List<String> roles,
200 final List<String> seedNodes, final String dataCenter) {
201 final Map<String, Object> overrides = new HashMap<>();
202 overrides.put(PORT_PARAM, port);
203 overrides.put(ROLE_PARAM, roles);
204 if (!seedNodes.isEmpty()) {
205 overrides.put(SEED_NODES_PARAM, seedNodes);
207 overrides.put(DATA_CENTER_PARAM, dataCenter);
209 final Config config = ConfigFactory.parseMap(overrides)
210 .withFallback(ConfigFactory.load());
212 // Create a classic Akka system since thats what we will have in osgi
213 return akka.actor.ActorSystem.create("ClusterSystem", config);
216 private static Behavior<BootstrapCommand> rootBehavior() {
217 return Behaviors.setup(context -> EOSMain.create(CODEC_CONTEXT.getInstanceIdentifierCodec()));
220 protected static void registerCandidates(final ClusterNode node, final DOMEntity entity, final String... members) {
221 final ActorRef<CandidateRegistryCommand> candidateRegistry = node.getCandidateRegistry();
222 registerCandidates(candidateRegistry, entity, members);
225 protected static void registerCandidates(final ActorRef<CandidateRegistryCommand> candidateRegistry,
226 final DOMEntity entity, final String... members) {
227 for (final String member : members) {
228 candidateRegistry.tell(new RegisterCandidate(entity, member));
232 protected static void unregisterCandidates(final ClusterNode node, final DOMEntity entity,
233 final String... members) {
234 final ActorRef<CandidateRegistryCommand> candidateRegistry = node.getCandidateRegistry();
235 for (final String member : members) {
236 candidateRegistry.tell(new UnregisterCandidate(entity, member));
240 protected static MockEntityOwnershipListener registerListener(final ClusterNode node, final DOMEntity entity) {
241 final ActorRef<TypeListenerRegistryCommand> listenerRegistry = node.getListenerRegistry();
242 final MockEntityOwnershipListener listener = new MockEntityOwnershipListener(node.getRoles().get(0));
243 listenerRegistry.tell(new RegisterListener(entity.getType(), listener));
248 protected static void reachableMember(final ClusterNode node, final String... role) {
249 reachableMember(node.getOwnerSupervisor(), role);
252 protected static void reachableMember(final ActorRef<OwnerSupervisorCommand> ownerSupervisor,
253 final String... role) {
254 ownerSupervisor.tell(new MemberReachableEvent(
255 new Address(REMOTE_PROTOCOL, "ClusterSystem@127.0.0.1:2550"), Set.of(role)));
258 protected static void unreachableMember(final ClusterNode node, final String... role) {
259 unreachableMember(node.getOwnerSupervisor(), role);
262 protected static void unreachableMember(final ActorRef<OwnerSupervisorCommand> ownerSupervisor,
263 final String... role) {
264 ownerSupervisor.tell(new MemberUnreachableEvent(
265 new Address(REMOTE_PROTOCOL, "ClusterSystem@127.0.0.1:2550"), Set.of(role)));
268 protected static void waitUntillOwnerPresent(final ClusterNode clusterNode, final DOMEntity entity) {
269 await().atMost(Duration.ofSeconds(15)).until(() -> {
270 final DistributedData distributedData = DistributedData.get(clusterNode.getActorSystem());
271 final CompletionStage<Replicator.GetResponse<LWWRegister<String>>> ask =
272 AskPattern.ask(distributedData.replicator(),
273 replyTo -> new Replicator.Get<>(
274 new LWWRegisterKey<>(entity.toString()), Replicator.readLocal(), replyTo),
275 Duration.ofSeconds(5),
276 clusterNode.getActorSystem().scheduler());
278 final Replicator.GetResponse<LWWRegister<String>> response =
279 ask.toCompletableFuture().get(5, TimeUnit.SECONDS);
281 if (response instanceof Replicator.GetSuccess) {
282 final String owner = ((Replicator.GetSuccess<LWWRegister<String>>) response).dataValue().getValue();
283 return !owner.isEmpty();
290 protected static void waitUntillCandidatePresent(final ClusterNode clusterNode, final DOMEntity entity,
291 final String candidate) {
292 await().atMost(Duration.ofSeconds(15)).until(() -> {
293 final DistributedData distributedData = DistributedData.get(clusterNode.getActorSystem());
295 final CompletionStage<Replicator.GetResponse<ORMap<DOMEntity, ORSet<String>>>> ask =
296 AskPattern.ask(distributedData.replicator(),
297 replyTo -> new Replicator.Get<>(
298 CandidateRegistry.KEY, Replicator.readLocal(), replyTo),
299 Duration.ofSeconds(5),
300 clusterNode.getActorSystem().scheduler());
302 final Replicator.GetResponse<ORMap<DOMEntity, ORSet<String>>> response =
303 ask.toCompletableFuture().get(5, TimeUnit.SECONDS);
305 if (response instanceof Replicator.GetSuccess) {
306 final Map<DOMEntity, ORSet<String>> entries =
307 ((Replicator.GetSuccess<ORMap<DOMEntity, ORSet<String>>>) response).dataValue().getEntries();
309 return entries.get(entity).contains(candidate);
316 protected static CompletableFuture<OwnerSupervisorReply> activateDatacenter(final ClusterNode clusterNode) {
317 final CompletionStage<OwnerSupervisorReply> ask =
318 AskPattern.ask(clusterNode.getOwnerSupervisor(),
319 ActivateDataCenter::new,
320 Duration.ofSeconds(20),
321 clusterNode.actorSystem.scheduler());
322 return ask.toCompletableFuture();
325 protected static CompletableFuture<OwnerSupervisorReply> deactivateDatacenter(final ClusterNode clusterNode) {
326 final CompletionStage<OwnerSupervisorReply> ask =
327 AskPattern.ask(clusterNode.getOwnerSupervisor(),
328 DeactivateDataCenter::new,
329 Duration.ofSeconds(20),
330 clusterNode.actorSystem.scheduler());
331 return ask.toCompletableFuture();
334 protected static void verifyListenerState(final MockEntityOwnershipListener listener, final DOMEntity entity,
335 final boolean hasOwner, final boolean isOwner, final boolean wasOwner) {
336 await().until(() -> !listener.getChanges().isEmpty());
338 await().atMost(Duration.ofSeconds(10)).untilAsserted(() -> {
339 final List<DOMEntityOwnershipChange> changes = listener.getChanges();
340 final DOMEntityOwnershipChange domEntityOwnershipChange = listener.getChanges().get(changes.size() - 1);
341 assertEquals(entity, domEntityOwnershipChange.getEntity());
343 assertEquals(hasOwner, domEntityOwnershipChange.getState().hasOwner());
344 assertEquals(isOwner, domEntityOwnershipChange.getState().isOwner());
345 assertEquals(wasOwner, domEntityOwnershipChange.getState().wasOwner());
349 protected static void verifyNoNotifications(final MockEntityOwnershipListener listener) {
350 verifyNoNotifications(listener, 2);
353 protected static void verifyNoNotifications(final MockEntityOwnershipListener listener, final long delaySeconds) {
354 await().pollDelay(delaySeconds, TimeUnit.SECONDS).until(() -> listener.getChanges().isEmpty());
357 protected static void verifyNoAdditionalNotifications(
358 final MockEntityOwnershipListener listener, final long delaySeconds) {
359 listener.resetListener();
360 verifyNoNotifications(listener, delaySeconds);
363 protected static final class ClusterNode {
364 private final int port;
365 private final List<String> roles;
366 private final akka.actor.typed.ActorSystem<Void> actorSystem;
367 private final ActorRef<BootstrapCommand> eosBootstrap;
368 private final ActorRef<TypeListenerRegistryCommand> listenerRegistry;
369 private final ActorRef<CandidateRegistryCommand> candidateRegistry;
370 private final ActorRef<OwnerSupervisorCommand> ownerSupervisor;
372 private ClusterNode(final int port,
373 final List<String> roles,
374 final ActorSystem actorSystem,
375 final ActorRef<BootstrapCommand> eosBootstrap,
376 final ActorRef<TypeListenerRegistryCommand> listenerRegistry,
377 final ActorRef<CandidateRegistryCommand> candidateRegistry,
378 final ActorRef<OwnerSupervisorCommand> ownerSupervisor) {
381 this.actorSystem = Adapter.toTyped(actorSystem);
382 this.eosBootstrap = eosBootstrap;
383 this.listenerRegistry = listenerRegistry;
384 this.candidateRegistry = candidateRegistry;
385 this.ownerSupervisor = ownerSupervisor;
388 public int getPort() {
392 public akka.actor.typed.ActorSystem<Void> getActorSystem() {
396 public ActorRef<BootstrapCommand> getEosBootstrap() {
400 public ActorRef<TypeListenerRegistryCommand> getListenerRegistry() {
401 return listenerRegistry;
404 public ActorRef<CandidateRegistryCommand> getCandidateRegistry() {
405 return candidateRegistry;
408 public ActorRef<OwnerSupervisorCommand> getOwnerSupervisor() {
409 return ownerSupervisor;
412 public List<String> getRoles() {
417 protected static final class MockEntityOwnershipListener implements DOMEntityOwnershipListener {
419 private final Logger log;
421 private final List<DOMEntityOwnershipChange> changes = new ArrayList<>();
422 private final String member;
424 public MockEntityOwnershipListener(final String member) {
425 log = LoggerFactory.getLogger("EOS-listener-" + member);
426 this.member = member;
430 public void ownershipChanged(final DOMEntityOwnershipChange ownershipChange) {
431 log.info("{} Received ownershipCHanged: {}", member, ownershipChange);
432 log.info("{} changes: {}", member, changes.size());
433 changes.add(ownershipChange);
436 public List<DOMEntityOwnershipChange> getChanges() {
440 public void resetListener() {
445 protected static final class MockNativeEntityOwnershipService extends AkkaEntityOwnershipService {
446 private final ActorSystem classicActorSystem;
448 protected MockNativeEntityOwnershipService(final ActorSystem classicActorSystem)
449 throws ExecutionException, InterruptedException {
450 super(classicActorSystem, CODEC_CONTEXT);
451 this.classicActorSystem = classicActorSystem;
454 protected void reachableMember(final String... role) {
455 AbstractNativeEosTest.reachableMember(ownerSupervisor, role);
458 public void unreachableMember(final String... role) {
459 AbstractNativeEosTest.unreachableMember(ownerSupervisor, role);
462 public ActorSystem getActorSystem() {
463 return classicActorSystem;