+/*
+ * Copyright (c) 2014, 2015 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.remote.rpc.registry;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+import static org.opendaylight.controller.remote.rpc.registry.gossip.BucketStoreAccess.Singletons.GET_ALL_BUCKETS;
+import static org.opendaylight.controller.remote.rpc.registry.gossip.BucketStoreAccess.Singletons.GET_BUCKET_VERSIONS;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.actor.Address;
+import akka.cluster.Cluster;
+import akka.cluster.ClusterEvent.CurrentClusterState;
+import akka.cluster.Member;
+import akka.cluster.MemberStatus;
+import akka.cluster.UniqueAddress;
+import akka.testkit.javadsl.TestKit;
+import com.google.common.base.Stopwatch;
+import com.google.common.collect.Sets;
+import com.google.common.util.concurrent.Uninterruptibles;
+import com.typesafe.config.ConfigFactory;
+import java.net.URI;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.TimeUnit;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.opendaylight.controller.cluster.common.actor.AkkaConfigurationReader;
+import org.opendaylight.controller.remote.rpc.RemoteOpsProviderConfig;
+import org.opendaylight.controller.remote.rpc.registry.ActionRegistry.Messages.UpdateActions;
+import org.opendaylight.controller.remote.rpc.registry.ActionRegistry.Messages.UpdateRemoteActionEndpoints;
+import org.opendaylight.controller.remote.rpc.registry.ActionRegistry.RemoteActionEndpoint;
+import org.opendaylight.controller.remote.rpc.registry.gossip.Bucket;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.mdsal.dom.api.DOMActionInstance;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.model.api.SchemaPath;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ActionRegistryTest {
+ private static final Logger LOG = LoggerFactory.getLogger(ActionRegistryTest.class);
+
+ private static ActorSystem node1;
+ private static ActorSystem node2;
+ private static ActorSystem node3;
+
+ private TestKit invoker1;
+ private TestKit invoker2;
+ private TestKit invoker3;
+ private TestKit registrar1;
+ private TestKit registrar2;
+ private TestKit registrar3;
+ private ActorRef registry1;
+ private ActorRef registry2;
+ private ActorRef registry3;
+
+ private int routeIdCounter = 1;
+
+ @BeforeClass
+ public static void staticSetup() {
+ AkkaConfigurationReader reader = ConfigFactory::load;
+
+ RemoteOpsProviderConfig config1 = new RemoteOpsProviderConfig.Builder("memberA").gossipTickInterval("200ms")
+ .withConfigReader(reader).build();
+ RemoteOpsProviderConfig config2 = new RemoteOpsProviderConfig.Builder("memberB").gossipTickInterval("200ms")
+ .withConfigReader(reader).build();
+ RemoteOpsProviderConfig config3 = new RemoteOpsProviderConfig.Builder("memberC").gossipTickInterval("200ms")
+ .withConfigReader(reader).build();
+ node1 = ActorSystem.create("opendaylight-rpc", config1.get());
+ node2 = ActorSystem.create("opendaylight-rpc", config2.get());
+ node3 = ActorSystem.create("opendaylight-rpc", config3.get());
+
+ waitForMembersUp(node1, Cluster.get(node2).selfUniqueAddress(), Cluster.get(node3).selfUniqueAddress());
+ waitForMembersUp(node2, Cluster.get(node1).selfUniqueAddress(), Cluster.get(node3).selfUniqueAddress());
+ }
+
+ static void waitForMembersUp(final ActorSystem node, final UniqueAddress... addresses) {
+ Set<UniqueAddress> otherMembersSet = Sets.newHashSet(addresses);
+ Stopwatch sw = Stopwatch.createStarted();
+ while (sw.elapsed(TimeUnit.SECONDS) <= 10) {
+ CurrentClusterState state = Cluster.get(node).state();
+ for (Member m : state.getMembers()) {
+ if (m.status() == MemberStatus.up() && otherMembersSet.remove(m.uniqueAddress())
+ && otherMembersSet.isEmpty()) {
+ return;
+ }
+ }
+
+ Uninterruptibles.sleepUninterruptibly(100, TimeUnit.MILLISECONDS);
+ }
+
+ fail("Member(s) " + otherMembersSet + " are not Up");
+ }
+
+ @AfterClass
+ public static void staticTeardown() {
+ TestKit.shutdownActorSystem(node1);
+ TestKit.shutdownActorSystem(node2);
+ TestKit.shutdownActorSystem(node3);
+ }
+
+ @Before
+ public void setup() {
+ invoker1 = new TestKit(node1);
+ registrar1 = new TestKit(node1);
+ registry1 = node1.actorOf(ActionRegistry.props(config(node1), invoker1.getRef(), registrar1.getRef()));
+ invoker2 = new TestKit(node2);
+ registrar2 = new TestKit(node2);
+ registry2 = node2.actorOf(ActionRegistry.props(config(node2), invoker2.getRef(), registrar2.getRef()));
+ invoker3 = new TestKit(node3);
+ registrar3 = new TestKit(node3);
+ registry3 = node3.actorOf(ActionRegistry.props(config(node3), invoker3.getRef(), registrar3.getRef()));
+ }
+
+ private static RemoteOpsProviderConfig config(final ActorSystem node) {
+ return new RemoteOpsProviderConfig(node.settings().config());
+ }
+
+ @After
+ public void teardown() {
+ if (registry1 != null) {
+ node1.stop(registry1);
+ }
+ if (registry2 != null) {
+ node2.stop(registry2);
+ }
+ if (registry3 != null) {
+ node3.stop(registry3);
+ }
+
+ if (invoker1 != null) {
+ node1.stop(invoker1.getRef());
+ }
+ if (invoker2 != null) {
+ node2.stop(invoker2.getRef());
+ }
+ if (invoker3 != null) {
+ node3.stop(invoker3.getRef());
+ }
+
+ if (registrar1 != null) {
+ node1.stop(registrar1.getRef());
+ }
+ if (registrar2 != null) {
+ node2.stop(registrar2.getRef());
+ }
+ if (registrar3 != null) {
+ node3.stop(registrar3.getRef());
+ }
+ }
+
+ /**
+ * One node cluster. 1. Register action, ensure router can be found 2. Then remove action, ensure its
+ * deleted
+ */
+ @Test
+ public void testAddRemoveActionOnSameNode() {
+ LOG.info("testAddRemoveActionOnSameNode starting");
+
+ Address nodeAddress = node1.provider().getDefaultAddress();
+
+ // Add action on node 1
+
+ List<DOMActionInstance> addedRouteIds = createRouteIds();
+
+ registry1.tell(new ActionRegistry.Messages.UpdateActions(addedRouteIds,
+ Collections.emptyList()), ActorRef.noSender());
+
+ // Bucket store should get an update bucket message. Updated bucket contains added action.
+ final TestKit testKit = new TestKit(node1);
+
+ Map<Address, Bucket<ActionRoutingTable>> buckets = retrieveBuckets(registry1, testKit, nodeAddress);
+ verifyBucket(buckets.get(nodeAddress), addedRouteIds);
+
+ Map<Address, Long> versions = retrieveVersions(registry1, testKit);
+ assertEquals("Version for bucket " + nodeAddress, (Long) buckets.get(nodeAddress).getVersion(),
+ versions.get(nodeAddress));
+
+ // Now remove action
+ registry1.tell(new UpdateActions(Collections.emptyList(),addedRouteIds), ActorRef.noSender());
+
+ // Bucket store should get an update bucket message. Action is removed in the updated bucket
+
+ verifyEmptyBucket(testKit, registry1, nodeAddress);
+
+ LOG.info("testAddRemoveActionOnSameNode ending");
+
+ }
+
+ /**
+ * Three node cluster. 1. Register action on 1 node, ensure 2nd node gets updated 2. Remove action on
+ * 1 node, ensure 2nd node gets updated
+ */
+ @Test
+ public void testActionAddRemoveInCluster() {
+
+ LOG.info("testActionAddRemoveInCluster starting");
+
+ List<DOMActionInstance> addedRouteIds = createRouteIds();
+
+ Address node1Address = node1.provider().getDefaultAddress();
+
+ // Add action on node 1
+ registry1.tell(new UpdateActions(addedRouteIds, Collections.emptyList()), ActorRef.noSender());
+
+ // Bucket store on node2 should get a message to update its local copy of remote buckets
+ final TestKit testKit = new TestKit(node2);
+
+ Map<Address, Bucket<ActionRoutingTable>> buckets = retrieveBuckets(registry2, testKit, node1Address);
+ verifyBucket(buckets.get(node1Address), addedRouteIds);
+
+ // Now remove
+ registry1.tell(new UpdateActions(Collections.emptyList(), addedRouteIds), ActorRef.noSender());
+
+ // Bucket store on node2 should get a message to update its local copy of remote buckets.
+ // Wait for the bucket for node1 to be empty.
+
+ verifyEmptyBucket(testKit, registry2, node1Address);
+
+ LOG.info("testActionAddRemoveInCluster ending");
+ }
+
+ private void verifyEmptyBucket(final TestKit testKit, final ActorRef registry, final Address address)
+ throws AssertionError {
+ Map<Address, Bucket<ActionRoutingTable>> buckets;
+ int numTries = 0;
+ while (true) {
+ buckets = retrieveBuckets(registry1, testKit, address);
+
+ try {
+ verifyBucket(buckets.get(address), Collections.emptyList());
+ break;
+ } catch (AssertionError e) {
+ if (++numTries >= 50) {
+ throw e;
+ }
+ }
+
+ Uninterruptibles.sleepUninterruptibly(200, TimeUnit.MILLISECONDS);
+ }
+ }
+
+ /**
+ * Three node cluster. Register action on 2 nodes. Ensure 3rd gets updated.
+ */
+ @Test
+ public void testActionAddedOnMultiNodes() {
+ final TestKit testKit = new TestKit(node3);
+
+ // Add action on node 1
+ List<DOMActionInstance> addedRouteIds1 = createRouteIds();
+ registry1.tell(new UpdateActions(addedRouteIds1, Collections.emptyList()), ActorRef.noSender());
+
+ final UpdateRemoteActionEndpoints req1 = registrar3.expectMsgClass(Duration.ofSeconds(3),
+ UpdateRemoteActionEndpoints.class);
+
+ // Add action on node 2
+ List<DOMActionInstance> addedRouteIds2 = createRouteIds();
+ registry2.tell(new UpdateActions(addedRouteIds2, Collections.emptyList()), ActorRef.noSender());
+
+ final UpdateRemoteActionEndpoints req2 = registrar3.expectMsgClass(Duration.ofSeconds(3),
+ UpdateRemoteActionEndpoints.class);
+ Address node2Address = node2.provider().getDefaultAddress();
+ Address node1Address = node1.provider().getDefaultAddress();
+
+ Map<Address, Bucket<ActionRoutingTable>> buckets = retrieveBuckets(registry3, testKit, node1Address,
+ node2Address);
+
+ verifyBucket(buckets.get(node1Address), addedRouteIds1);
+ verifyBucket(buckets.get(node2Address), addedRouteIds2);
+
+ Map<Address, Long> versions = retrieveVersions(registry3, testKit);
+ assertEquals("Version for bucket " + node1Address, (Long) buckets.get(node1Address).getVersion(),
+ versions.get(node1Address));
+ assertEquals("Version for bucket " + node2Address, (Long) buckets.get(node2Address).getVersion(),
+ versions.get(node2Address));
+
+ assertEndpoints(req1, node1Address, invoker1);
+ assertEndpoints(req2, node2Address, invoker2);
+
+ }
+
+ private static void assertEndpoints(final ActionRegistry.Messages.UpdateRemoteActionEndpoints msg,
+ final Address address, final TestKit invoker) {
+ final Map<Address, Optional<RemoteActionEndpoint>> endpoints = msg.getActionEndpoints();
+ assertEquals(1, endpoints.size());
+
+ final Optional<RemoteActionEndpoint> maybeEndpoint = endpoints.get(address);
+ assertNotNull(maybeEndpoint);
+ assertTrue(maybeEndpoint.isPresent());
+
+ final RemoteActionEndpoint endpoint = maybeEndpoint.get();
+ final ActorRef router = endpoint.getRouter();
+ assertNotNull(router);
+
+ router.tell("hello", ActorRef.noSender());
+ final String s = invoker.expectMsgClass(Duration.ofSeconds(3), String.class);
+ assertEquals("hello", s);
+ }
+
+ private static Map<Address, Long> retrieveVersions(final ActorRef bucketStore, final TestKit testKit) {
+ bucketStore.tell(GET_BUCKET_VERSIONS, testKit.getRef());
+ @SuppressWarnings("unchecked")
+ final Map<Address, Long> reply = testKit.expectMsgClass(Duration.ofSeconds(3), Map.class);
+ return reply;
+ }
+
+ private static void verifyBucket(final Bucket<ActionRoutingTable> bucket,
+ final List<DOMActionInstance> expRouteIds) {
+ ActionRoutingTable table = bucket.getData();
+ assertNotNull("Bucket ActionRoutingTable is null", table);
+ for (DOMActionInstance r : expRouteIds) {
+ if (!table.contains(r)) {
+ fail("ActionRoutingTable does not contain " + r + ". Actual: " + table);
+ }
+ }
+
+ assertEquals("ActionRoutingTable size", expRouteIds.size(), table.size());
+ }
+
+ private static Map<Address, Bucket<ActionRoutingTable>> retrieveBuckets(
+ final ActorRef bucketStore, final TestKit testKit, final Address... addresses) {
+ int numTries = 0;
+ while (true) {
+ bucketStore.tell(GET_ALL_BUCKETS, testKit.getRef());
+ @SuppressWarnings("unchecked")
+ Map<Address, Bucket<ActionRoutingTable>> buckets = testKit.expectMsgClass(Duration.ofSeconds(3),
+ Map.class);
+
+ boolean foundAll = true;
+ for (Address addr : addresses) {
+ Bucket<ActionRoutingTable> bucket = buckets.get(addr);
+ if (bucket == null) {
+ foundAll = false;
+ break;
+ }
+ }
+
+ if (foundAll) {
+ return buckets;
+ }
+
+ if (++numTries >= 50) {
+ fail("Missing expected buckets for addresses: " + Arrays.toString(addresses)
+ + ", Actual: " + buckets);
+ }
+
+ Uninterruptibles.sleepUninterruptibly(200, TimeUnit.MILLISECONDS);
+ }
+ }
+
+ @Test
+ public void testAddRoutesConcurrency() {
+ final TestKit testKit = new TestKit(node1);
+
+ final int nRoutes = 500;
+ final Collection<DOMActionInstance> added = new ArrayList<>(nRoutes);
+ for (int i = 0; i < nRoutes; i++) {
+ QName type = QName.create(URI.create("/mockaction"), "mockaction" + routeIdCounter++);
+ final DOMActionInstance routeId = DOMActionInstance.of(SchemaPath.create(true,
+ type), LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.create(new
+ YangInstanceIdentifier.NodeIdentifier(type)));
+ added.add(routeId);
+
+ //Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
+ registry1.tell(new UpdateActions(Arrays.asList(routeId), Collections.emptyList()),
+ ActorRef.noSender());
+ }
+
+ int numTries = 0;
+ while (true) {
+ registry1.tell(GET_ALL_BUCKETS, testKit.getRef());
+ @SuppressWarnings("unchecked")
+ Map<Address, Bucket<ActionRoutingTable>> buckets = testKit.expectMsgClass(Duration.ofSeconds(3),
+ Map.class);
+
+ Bucket<ActionRoutingTable> localBucket = buckets.values().iterator().next();
+ ActionRoutingTable table = localBucket.getData();
+ if (table != null && table.size() == nRoutes) {
+ for (DOMActionInstance r : added) {
+ assertTrue("ActionRoutingTable contains " + r, table.contains(r));
+ }
+
+ break;
+ }
+
+ if (++numTries >= 50) {
+ fail("Expected # routes: " + nRoutes + ", Actual: " + table.size());
+ }
+
+ Uninterruptibles.sleepUninterruptibly(200, TimeUnit.MILLISECONDS);
+ }
+ }
+
+ private List<DOMActionInstance> createRouteIds() {
+ QName type = QName.create(URI.create("/mockaction"), "mockaction" + routeIdCounter++);
+ List<DOMActionInstance> routeIds = new ArrayList<>(1);
+ routeIds.add(DOMActionInstance.of(SchemaPath.create(true, type),
+ LogicalDatastoreType.OPERATIONAL, YangInstanceIdentifier.create(
+ new YangInstanceIdentifier.NodeIdentifier(type))));
+ return routeIds;
+ }
+}