| /* |
| * 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.solr.cloud; |
| |
| import static org.apache.solr.client.solrj.response.RequestStatusState.COMPLETED; |
| import static org.apache.solr.client.solrj.response.RequestStatusState.FAILED; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.util.Collection; |
| import java.util.EnumSet; |
| import java.util.LinkedHashSet; |
| |
| import org.apache.solr.client.solrj.impl.CloudSolrClient; |
| import org.apache.solr.client.solrj.request.CollectionAdminRequest; |
| import org.apache.solr.client.solrj.response.RequestStatusState; |
| import org.apache.solr.common.cloud.ClusterState; |
| import org.apache.solr.common.cloud.DocCollection; |
| import org.apache.solr.common.cloud.Replica; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * |
| */ |
| public class AddReplicaTest extends SolrCloudTestCase { |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| @BeforeClass |
| public static void setupCluster() throws Exception { |
| configureCluster(3) |
| .addConfig("conf1", TEST_PATH().resolve("configsets").resolve("cloud-minimal").resolve("conf")) |
| .configure(); |
| } |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| cluster.deleteAllCollections(); |
| } |
| |
| @Test |
| public void testAddMultipleReplicas() throws Exception { |
| |
| String collection = "testAddMultipleReplicas"; |
| CloudSolrClient cloudClient = cluster.getSolrClient(); |
| |
| CollectionAdminRequest.Create create = CollectionAdminRequest.createCollection(collection, "conf1", 1, 1); |
| create.setMaxShardsPerNode(2); |
| cloudClient.request(create); |
| cluster.waitForActiveCollection(collection, 1, 1); |
| |
| CollectionAdminRequest.AddReplica addReplica = CollectionAdminRequest.addReplicaToShard(collection, "shard1") |
| .setNrtReplicas(1) |
| .setTlogReplicas(1) |
| .setPullReplicas(1); |
| RequestStatusState status = addReplica.processAndWait(collection + "_xyz1", cloudClient, 120); |
| assertEquals(COMPLETED, status); |
| |
| cluster.waitForActiveCollection(collection, 1, 4); |
| |
| DocCollection docCollection = cloudClient.getZkStateReader().getClusterState().getCollectionOrNull(collection); |
| assertNotNull(docCollection); |
| assertEquals(4, docCollection.getReplicas().size()); |
| assertEquals(2, docCollection.getReplicas(EnumSet.of(Replica.Type.NRT)).size()); |
| assertEquals(1, docCollection.getReplicas(EnumSet.of(Replica.Type.TLOG)).size()); |
| assertEquals(1, docCollection.getReplicas(EnumSet.of(Replica.Type.PULL)).size()); |
| |
| // try to add 5 more replicas which should fail because numNodes(4)*maxShardsPerNode(2)=8 and 4 replicas already exist |
| addReplica = CollectionAdminRequest.addReplicaToShard(collection, "shard1") |
| .setNrtReplicas(3) |
| .setTlogReplicas(1) |
| .setPullReplicas(1); |
| status = addReplica.processAndWait(collection + "_xyz1", cloudClient, 120); |
| assertEquals(FAILED, status); |
| docCollection = cloudClient.getZkStateReader().getClusterState().getCollectionOrNull(collection); |
| assertNotNull(docCollection); |
| // sanity check that everything is as before |
| assertEquals(4, docCollection.getReplicas().size()); |
| assertEquals(2, docCollection.getReplicas(EnumSet.of(Replica.Type.NRT)).size()); |
| assertEquals(1, docCollection.getReplicas(EnumSet.of(Replica.Type.TLOG)).size()); |
| assertEquals(1, docCollection.getReplicas(EnumSet.of(Replica.Type.PULL)).size()); |
| |
| // but adding any number of replicas is supported if an explicit create node set is specified |
| // so test that as well |
| LinkedHashSet<String> createNodeSet = new LinkedHashSet<>(2); |
| createNodeSet.add(cluster.getRandomJetty(random()).getNodeName()); |
| while (true) { |
| String nodeName = cluster.getRandomJetty(random()).getNodeName(); |
| if (createNodeSet.add(nodeName)) break; |
| } |
| addReplica = CollectionAdminRequest.addReplicaToShard(collection, "shard1") |
| .setNrtReplicas(3) |
| .setTlogReplicas(1) |
| .setPullReplicas(1) |
| .setCreateNodeSet(String.join(",", createNodeSet)); |
| status = addReplica.processAndWait(collection + "_xyz1", cloudClient, 120); |
| assertEquals(COMPLETED, status); |
| waitForState("Timedout wait for collection to be created", collection, clusterShape(1, 9)); |
| docCollection = cloudClient.getZkStateReader().getClusterState().getCollectionOrNull(collection); |
| assertNotNull(docCollection); |
| // sanity check that everything is as before |
| assertEquals(9, docCollection.getReplicas().size()); |
| assertEquals(5, docCollection.getReplicas(EnumSet.of(Replica.Type.NRT)).size()); |
| assertEquals(2, docCollection.getReplicas(EnumSet.of(Replica.Type.TLOG)).size()); |
| assertEquals(2, docCollection.getReplicas(EnumSet.of(Replica.Type.PULL)).size()); |
| } |
| |
| @Test |
| public void test() throws Exception { |
| |
| String collection = "addreplicatest_coll"; |
| |
| CloudSolrClient cloudClient = cluster.getSolrClient(); |
| |
| CollectionAdminRequest.Create create = CollectionAdminRequest.createCollection(collection, "conf1", 2, 1); |
| create.setMaxShardsPerNode(2); |
| cloudClient.request(create); |
| |
| cluster.waitForActiveCollection(collection, 2, 2); |
| |
| ClusterState clusterState = cloudClient.getZkStateReader().getClusterState(); |
| DocCollection coll = clusterState.getCollection(collection); |
| String sliceName = coll.getSlices().iterator().next().getName(); |
| Collection<Replica> replicas = coll.getSlice(sliceName).getReplicas(); |
| CollectionAdminRequest.AddReplica addReplica = CollectionAdminRequest.addReplicaToShard(collection, sliceName); |
| addReplica.processAsync("000", cloudClient); |
| CollectionAdminRequest.RequestStatus requestStatus = CollectionAdminRequest.requestStatus("000"); |
| CollectionAdminRequest.RequestStatusResponse rsp = requestStatus.process(cloudClient); |
| assertNotSame(rsp.getRequestStatus(), COMPLETED); |
| |
| // wait for async request success |
| boolean success = false; |
| for (int i = 0; i < 200; i++) { |
| rsp = requestStatus.process(cloudClient); |
| if (rsp.getRequestStatus() == COMPLETED) { |
| success = true; |
| break; |
| } |
| assertNotSame(rsp.toString(), rsp.getRequestStatus(), RequestStatusState.FAILED); |
| Thread.sleep(500); |
| } |
| assertTrue(success); |
| |
| Collection<Replica> replicas2 = cloudClient.getZkStateReader().getClusterState().getCollection(collection).getSlice(sliceName).getReplicas(); |
| replicas2.removeAll(replicas); |
| assertEquals(1, replicas2.size()); |
| |
| // use waitForFinalState |
| addReplica.setWaitForFinalState(true); |
| addReplica.processAsync("001", cloudClient); |
| requestStatus = CollectionAdminRequest.requestStatus("001"); |
| rsp = requestStatus.process(cloudClient); |
| assertNotSame(rsp.getRequestStatus(), COMPLETED); |
| // wait for async request success |
| success = false; |
| for (int i = 0; i < 200; i++) { |
| rsp = requestStatus.process(cloudClient); |
| if (rsp.getRequestStatus() == COMPLETED) { |
| success = true; |
| break; |
| } |
| assertNotSame(rsp.toString(), rsp.getRequestStatus(), RequestStatusState.FAILED); |
| Thread.sleep(500); |
| } |
| assertTrue(success); |
| // let the client watch fire |
| Thread.sleep(1000); |
| clusterState = cloudClient.getZkStateReader().getClusterState(); |
| coll = clusterState.getCollection(collection); |
| Collection<Replica> replicas3 = coll.getSlice(sliceName).getReplicas(); |
| replicas3.removeAll(replicas); |
| String replica2 = replicas2.iterator().next().getName(); |
| assertEquals(2, replicas3.size()); |
| for (Replica replica : replicas3) { |
| if (replica.getName().equals(replica2)) { |
| continue; // may be still recovering |
| } |
| assertSame(coll.toString() + "\n" + replica.toString(), replica.getState(), Replica.State.ACTIVE); |
| } |
| } |
| } |