| /* |
| * 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 java.io.IOException; |
| import java.lang.invoke.MethodHandles; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Optional; |
| import java.util.Set; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| |
| import org.apache.solr.client.solrj.SolrServerException; |
| import org.apache.solr.client.solrj.embedded.JettySolrRunner; |
| import org.apache.solr.client.solrj.impl.CloudSolrClient; |
| import org.apache.solr.client.solrj.impl.HttpSolrClient; |
| import org.apache.solr.client.solrj.request.CollectionAdminRequest; |
| import org.apache.solr.client.solrj.request.V2Request; |
| import org.apache.solr.client.solrj.request.beans.PluginMeta; |
| import org.apache.solr.cluster.placement.PlacementPluginFactory; |
| import org.apache.solr.cluster.placement.plugins.AffinityPlacementFactory; |
| import org.apache.solr.common.cloud.ClusterState; |
| import org.apache.solr.common.cloud.DocCollection; |
| import org.apache.solr.common.cloud.Replica; |
| import org.apache.solr.common.util.TimeSource; |
| import org.apache.solr.util.TimeOut; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import static java.util.Collections.singletonMap; |
| import static org.apache.solr.common.params.CollectionAdminParams.WITH_COLLECTION; |
| |
| /** |
| * Tests for co-locating a collection with another collection such that any Collection API |
| * always ensures that the co-location is never broken. |
| * |
| * See SOLR-11990 for more details. |
| */ |
| public class TestWithCollection extends SolrCloudTestCase { |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private static final int NUM_JETTIES = 2; |
| |
| @BeforeClass |
| public static void setupCluster() throws Exception { |
| // placement plugins need metrics |
| System.setProperty("metricsEnabled", "true"); |
| configureCluster(NUM_JETTIES) |
| .addConfig("conf", configset("cloud-minimal")) |
| .configure(); |
| PluginMeta plugin = new PluginMeta(); |
| plugin.name = PlacementPluginFactory.PLUGIN_NAME; |
| plugin.klass = AffinityPlacementFactory.class.getName(); |
| V2Request req = new V2Request.Builder("/cluster/plugin") |
| .forceV2(true) |
| .POST() |
| .withPayload(singletonMap("add", plugin)) |
| .build(); |
| req.process(cluster.getSolrClient()); |
| |
| } |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| ClusterState clusterState = cluster.getSolrClient().getZkStateReader().getClusterState(); |
| for (Map.Entry<String, ClusterState.CollectionRef> entry : clusterState.getCollectionStates().entrySet()) { |
| if (entry.getKey().contains("_xyz")) { |
| try { |
| CollectionAdminRequest.deleteCollection(entry.getKey()).process(cluster.getSolrClient()); |
| } catch (Exception e) { |
| log.error("Exception while deleting collection: " + entry.getKey()); |
| } |
| } |
| } |
| cluster.deleteAllCollections(); |
| cluster.getSolrClient().setDefaultCollection(null); |
| |
| LATCH = new CountDownLatch(1); |
| |
| int jettys = cluster.getJettySolrRunners().size(); |
| if (jettys < NUM_JETTIES) { |
| for (int i = jettys; i < NUM_JETTIES; i++) { |
| cluster.startJettySolrRunner(); |
| } |
| } else { |
| for (int i = jettys; i > NUM_JETTIES; i--) { |
| cluster.stopJettySolrRunner(i - 1); |
| } |
| } |
| } |
| |
| @Test |
| public void testCreateCollectionNoWithCollection() throws IOException, SolrServerException { |
| String prefix = "testCreateCollectionNoWithCollection"; |
| String xyz = prefix + "_xyz"; |
| String abc = prefix + "_abc"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| try { |
| |
| CollectionAdminRequest.createCollection(xyz, 1, 1) |
| .setWithCollection(abc).process(solrClient); |
| } catch (HttpSolrClient.RemoteSolrException e) { |
| assertTrue(e.getMessage().contains("The 'withCollection' does not exist")); |
| } |
| |
| CollectionAdminRequest.createCollection(abc, 2, 1) |
| .process(solrClient); |
| try { |
| CollectionAdminRequest.createCollection(xyz, 1, 1) |
| .setWithCollection(abc).process(solrClient); |
| } catch (HttpSolrClient.RemoteSolrException e) { |
| assertTrue(e.getMessage().contains("The `withCollection` must have only one shard, found: 2")); |
| } |
| } |
| |
| public void testCreateCollection() throws Exception { |
| String prefix = "testCreateCollection"; |
| String primaryCollectionName = prefix + "_primary"; |
| String secondaryCollectionName = prefix + "_secondary"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| |
| String chosenNode = cluster.getRandomJetty(random()).getNodeName(); |
| CollectionAdminRequest.createCollection(secondaryCollectionName, 1, 1) |
| .setCreateNodeSet(chosenNode) // randomize to avoid choosing the first node always |
| .process(solrClient); |
| |
| CollectionAdminRequest.createCollection(primaryCollectionName, 1, 1) |
| .setWithCollection(secondaryCollectionName) |
| .process(solrClient); |
| |
| DocCollection primaryCollection = cluster.getSolrClient().getZkStateReader().getClusterState().getCollection(primaryCollectionName); |
| assertNotNull(primaryCollection); |
| assertEquals(secondaryCollectionName, primaryCollection.getStr(WITH_COLLECTION)); |
| Replica replica = primaryCollection.getReplicas().get(0); |
| String nodeName = replica.getNodeName(); |
| DocCollection secondaryCollection = cluster.getSolrClient().getZkStateReader().getClusterState().getCollection(secondaryCollectionName); |
| Set<String> secondaryNodes = secondaryCollection.getReplicas().stream() |
| .map(r -> r.getNodeName()).collect(Collectors.toSet()); |
| |
| |
| assertTrue(secondaryNodes.contains(nodeName)); |
| assertTrue(secondaryNodes.contains(chosenNode)); |
| } |
| |
| @Test |
| public void testDeleteWithCollection() throws IOException, SolrServerException, InterruptedException { |
| String prefix = "testDeleteWithCollection"; |
| String primaryCollectionName = prefix + "_primary"; |
| String secondaryCollectionName = prefix + "_secondary"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| CollectionAdminRequest.createCollection(secondaryCollectionName, 1, 1) |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(primaryCollectionName, 1, 1) |
| .setWithCollection(secondaryCollectionName) |
| .process(solrClient); |
| try { |
| CollectionAdminRequest.deleteCollection(secondaryCollectionName).process(solrClient); |
| } catch (HttpSolrClient.RemoteSolrException e) { |
| assertTrue(e.getMessage().contains("is co-located with collection")); |
| } |
| |
| // delete the co-located collection first |
| CollectionAdminRequest.deleteCollection(primaryCollectionName).process(solrClient); |
| // deleting the with collection should succeed now |
| CollectionAdminRequest.deleteCollection(secondaryCollectionName).process(solrClient); |
| |
| primaryCollectionName = primaryCollectionName + "_2"; |
| secondaryCollectionName = secondaryCollectionName + "_2"; |
| CollectionAdminRequest.createCollection(secondaryCollectionName, 1, 1) |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(primaryCollectionName, 1, 1) |
| .setWithCollection(secondaryCollectionName) |
| .process(solrClient); |
| // sanity check |
| try { |
| CollectionAdminRequest.deleteCollection(secondaryCollectionName).process(solrClient); |
| } catch (HttpSolrClient.RemoteSolrException e) { |
| assertTrue(e.getMessage().contains("is co-located with collection")); |
| } |
| |
| CollectionAdminRequest.modifyCollection(primaryCollectionName, null) |
| .unsetAttribute("withCollection") |
| .process(solrClient); |
| TimeOut timeOut = new TimeOut(5, TimeUnit.SECONDS, TimeSource.NANO_TIME); |
| while (!timeOut.hasTimedOut()) { |
| DocCollection c1 = cluster.getSolrClient().getZkStateReader().getClusterState().getCollection(primaryCollectionName); |
| if (c1.getStr("withCollection") == null) break; |
| Thread.sleep(200); |
| } |
| DocCollection c1 = cluster.getSolrClient().getZkStateReader().getClusterState().getCollection(primaryCollectionName); |
| assertNull(c1.getStr("withCollection")); |
| CollectionAdminRequest.deleteCollection(secondaryCollectionName).process(solrClient); |
| } |
| |
| @Test |
| public void testAddReplicaSimple() throws Exception { |
| String prefix = "testAddReplica"; |
| String primaryCollectionName = prefix + "_primary"; |
| String secondaryCollectionName = prefix + "_secondary"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| String chosenNode = cluster.getRandomJetty(random()).getNodeName(); |
| log.info("Chosen node {} for collection {}", chosenNode, secondaryCollectionName); |
| CollectionAdminRequest.createCollection(secondaryCollectionName, 1, 1) |
| .setCreateNodeSet(chosenNode) // randomize to avoid choosing the first node always |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(primaryCollectionName, 1, 1) |
| .setWithCollection(secondaryCollectionName) |
| .setCreateNodeSet(chosenNode) |
| .process(solrClient); |
| |
| String otherNode = null; |
| for (JettySolrRunner jettySolrRunner : cluster.getJettySolrRunners()) { |
| if (!chosenNode.equals(jettySolrRunner.getNodeName())) { |
| otherNode = jettySolrRunner.getNodeName(); |
| } |
| } |
| CollectionAdminRequest.addReplicaToShard(primaryCollectionName, "shard1") |
| .setNode(otherNode) |
| .process(solrClient); |
| DocCollection collection = solrClient.getZkStateReader().getClusterState().getCollection(primaryCollectionName); |
| DocCollection withCollection = solrClient.getZkStateReader().getClusterState().getCollection(secondaryCollectionName); |
| |
| assertTrue(collection.getReplicas().stream().noneMatch(replica -> withCollection.getReplicas(replica.getNodeName()).isEmpty())); |
| } |
| |
| @Test |
| public void testMoveReplicaMainCollection() throws Exception { |
| String prefix = "testMoveReplicaMainCollection"; |
| String primaryCollectionName = prefix + "_primary"; |
| String secondaryCollectionName = prefix + "_secondary"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| |
| String chosenNode = cluster.getRandomJetty(random()).getNodeName(); |
| log.info("Chosen node {} for collection {}", chosenNode, secondaryCollectionName); |
| CollectionAdminRequest.createCollection(secondaryCollectionName, 1, 1) |
| .setCreateNodeSet(chosenNode) // randomize to avoid choosing the first node always |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(primaryCollectionName, 1, 1) |
| .setWithCollection(secondaryCollectionName) |
| .setCreateNodeSet(chosenNode) |
| .process(solrClient); |
| |
| String otherNode = null; |
| for (JettySolrRunner jettySolrRunner : cluster.getJettySolrRunners()) { |
| if (!chosenNode.equals(jettySolrRunner.getNodeName())) { |
| otherNode = jettySolrRunner.getNodeName(); |
| } |
| } |
| |
| DocCollection collection = solrClient.getZkStateReader().getClusterState().getCollection(primaryCollectionName); |
| DocCollection withCollection = solrClient.getZkStateReader().getClusterState().getCollection(secondaryCollectionName); |
| assertNull(collection.getReplicas(otherNode)); // sanity check |
| assertNull(withCollection.getReplicas(otherNode)); // sanity check |
| |
| new CollectionAdminRequest.MoveReplica(primaryCollectionName, collection.getReplicas().iterator().next().getName(), otherNode) |
| .process(solrClient); |
| // zkClient().printLayoutToStdOut(); |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(primaryCollectionName); // refresh |
| DocCollection withCollectionRefreshed = solrClient.getZkStateReader().getClusterState().getCollection(secondaryCollectionName); // refresh |
| assertTrue(collection.getReplicas().stream().noneMatch( |
| replica -> withCollectionRefreshed.getReplicas(replica.getNodeName()) == null |
| || withCollectionRefreshed.getReplicas(replica.getNodeName()).isEmpty())); |
| } |
| |
| @Test |
| public void testMoveReplicaWithCollection() throws Exception { |
| String prefix = "testMoveReplicaWithCollection"; |
| String xyz = prefix + "_xyz"; |
| String abc = prefix + "_abc"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| |
| String chosenNode = cluster.getRandomJetty(random()).getNodeName(); |
| log.info("Chosen node {} for collection {}", chosenNode, abc); |
| CollectionAdminRequest.createCollection(abc, 1, 1) |
| .setCreateNodeSet(chosenNode) // randomize to avoid choosing the first node always |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(xyz, 1, 1) |
| .setWithCollection(abc) |
| .process(solrClient); |
| |
| DocCollection collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| assertEquals(chosenNode, collection.getReplicas().iterator().next().getNodeName()); |
| |
| String otherNode = null; |
| for (JettySolrRunner jettySolrRunner : cluster.getJettySolrRunners()) { |
| if (!chosenNode.equals(jettySolrRunner.getNodeName())) { |
| otherNode = jettySolrRunner.getNodeName(); |
| } |
| } |
| |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| DocCollection withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| assertNull(collection.getReplicas(otherNode)); // sanity check |
| assertNull(withCollection.getReplicas(otherNode)); // sanity check |
| |
| try { |
| new CollectionAdminRequest.MoveReplica(abc, collection.getReplicas().iterator().next().getName(), otherNode) |
| .process(solrClient); |
| fail("Expected moving a replica of 'withCollection': " + abc + " to fail"); |
| } catch (HttpSolrClient.RemoteSolrException e) { |
| assertTrue(e.getMessage().contains("Collection: testMoveReplicaWithCollection_abc is co-located with collection: testMoveReplicaWithCollection_xyz")); |
| } |
| // zkClient().printLayoutToStdOut(); |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); // refresh |
| DocCollection withCollectionRefreshed = solrClient.getZkStateReader().getClusterState().getCollection(abc); // refresh |
| |
| // sanity check that the failed move operation didn't actually change our co-location guarantees |
| assertTrue(collection.getReplicas().stream().noneMatch( |
| replica -> withCollectionRefreshed.getReplicas(replica.getNodeName()) == null |
| || withCollectionRefreshed.getReplicas(replica.getNodeName()).isEmpty())); |
| } |
| |
| /** |
| * Tests that when a new node is added to the cluster and autoscaling framework |
| * moves replicas to the new node, we maintain all co-locating guarantees |
| */ |
| public void testNodeAdded() throws Exception { |
| String prefix = "testNodeAdded"; |
| String xyz = prefix + "_xyz"; |
| String abc = prefix + "_abc"; |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| |
| String chosenNode = cluster.getRandomJetty(random()).getNodeName(); |
| log.info("Chosen node {} for collection {}", chosenNode, abc); |
| CollectionAdminRequest.createCollection(abc, 1, 1) |
| .setCreateNodeSet(chosenNode) // randomize to avoid choosing the first node always |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(xyz, 1, 1) |
| .setWithCollection(abc) |
| .process(solrClient); |
| |
| DocCollection collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| assertEquals(chosenNode, collection.getReplicas().iterator().next().getNodeName()); |
| |
| |
| Optional<JettySolrRunner> other = cluster.getJettySolrRunners() |
| .stream().filter(j -> !chosenNode.equals(j.getNodeName())).findAny(); |
| String otherNode = other.orElseThrow(AssertionError::new).getNodeName(); |
| |
| // add an extra replica of abc collection on a different node |
| CollectionAdminRequest.AddReplica addReplica = CollectionAdminRequest.addReplicaToShard(abc, "shard1") |
| .setNode(otherNode); |
| addReplica.setWaitForFinalState(true); |
| addReplica.process(solrClient); |
| |
| // refresh |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| DocCollection withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| |
| // sanity check |
| assertColocated(collection, otherNode, withCollection); |
| |
| assertEquals(1, collection.getReplicas().size()); |
| Replica xyzReplica = collection.getReplicas().get(0); |
| |
| // start a new node |
| JettySolrRunner newNode = cluster.startJettySolrRunner(); |
| assertTrue("Action was not fired till 30 seconds", LATCH.await(30, TimeUnit.SECONDS)); |
| // refresh |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| |
| // sanity check |
| assertColocated(collection, otherNode, withCollection); |
| |
| // assert that the replica of xyz collection was not moved |
| assertNotNull(collection.getReplica(xyzReplica.getName())); |
| assertEquals(chosenNode, collection.getReplicas().get(0).getNodeName()); |
| |
| // add an extra replica of xyz collection -- this should be placed on the 'otherNode' |
| addReplica = CollectionAdminRequest.addReplicaToShard(xyz, "shard1"); |
| addReplica.setWaitForFinalState(true); |
| addReplica.process(solrClient); |
| |
| // refresh |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| |
| List<Replica> replicas = collection.getReplicas(otherNode); |
| assertNotNull(replicas); |
| assertEquals(1, replicas.size()); |
| replicas = withCollection.getReplicas(otherNode); |
| assertNotNull(replicas); |
| assertEquals(1, replicas.size()); |
| |
| // add an extra replica of xyz collection -- this should be placed on the 'newNode' |
| addReplica = CollectionAdminRequest.addReplicaToShard(xyz, "shard1"); |
| addReplica.setWaitForFinalState(true); |
| addReplica.process(solrClient); |
| |
| // refresh |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| |
| assertNotNull(collection.getReplicas(newNode.getNodeName())); |
| replicas = collection.getReplicas(newNode.getNodeName()); |
| assertNotNull(replicas); |
| assertEquals(1, replicas.size()); |
| replicas = withCollection.getReplicas(newNode.getNodeName()); |
| assertNotNull(replicas); |
| assertEquals(1, replicas.size()); |
| } |
| |
| public void testMultipleWithCollections() throws Exception { |
| String prefix = "testMultipleWithCollections"; |
| String xyz = prefix + "_xyz"; |
| String xyz2 = prefix + "_xyz2"; |
| String abc = prefix + "_abc"; |
| String abc2 = prefix + "_abc2"; |
| |
| // start 2 more nodes so we have 4 in total |
| cluster.startJettySolrRunner(); |
| cluster.startJettySolrRunner(); |
| cluster.waitForAllNodes(30); |
| |
| CloudSolrClient solrClient = cluster.getSolrClient(); |
| |
| String chosenNode = cluster.getJettySolrRunner(0).getNodeName(); |
| log.info("Chosen node {} for collection {}", chosenNode, abc); |
| |
| CollectionAdminRequest.createCollection(abc, 1, 1) |
| .setCreateNodeSet(chosenNode) |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(xyz, 1, 1) |
| .setWithCollection(abc) |
| .process(solrClient); |
| |
| String chosenNode2 = cluster.getJettySolrRunner(1).getNodeName(); |
| log.info("Chosen node {} for collection {}", chosenNode2, abc2); |
| CollectionAdminRequest.createCollection(abc2, 1, 1) |
| .setCreateNodeSet(chosenNode2) |
| .process(solrClient); |
| CollectionAdminRequest.createCollection(xyz2, 1, 1) |
| .setWithCollection(abc2) |
| .process(solrClient); |
| |
| // refresh |
| DocCollection collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| DocCollection collection2 = solrClient.getZkStateReader().getClusterState().getCollection(xyz2); |
| DocCollection withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| DocCollection withCollection2 = solrClient.getZkStateReader().getClusterState().getCollection(abc2); |
| |
| // sanity check |
| assertColocated(collection, chosenNode2, withCollection); // no replica should be on chosenNode2 |
| assertColocated(collection2, chosenNode, withCollection2); // no replica should be on chosenNode |
| |
| String chosenNode3 = cluster.getJettySolrRunner(2).getNodeName(); |
| CollectionAdminRequest.addReplicaToShard(xyz, "shard1") |
| .setNode(chosenNode3) |
| .process(solrClient); |
| String chosenNode4 = cluster.getJettySolrRunner(2).getNodeName(); |
| CollectionAdminRequest.addReplicaToShard(xyz2, "shard1") |
| .setNode(chosenNode4) |
| .process(solrClient); |
| |
| collection = solrClient.getZkStateReader().getClusterState().getCollection(xyz); |
| collection2 = solrClient.getZkStateReader().getClusterState().getCollection(xyz2); |
| withCollection = solrClient.getZkStateReader().getClusterState().getCollection(abc); |
| withCollection2 = solrClient.getZkStateReader().getClusterState().getCollection(abc2); |
| |
| // sanity check |
| assertColocated(collection, null, withCollection); |
| assertColocated(collection2, null, withCollection2); |
| } |
| |
| /** |
| * Asserts that all replicas of collection are colocated with at least one |
| * replica of the withCollection and none of them should be on the given 'noneOnNode'. |
| */ |
| private void assertColocated(DocCollection collection, String noneOnNode, DocCollection withCollection) { |
| // sanity check |
| assertTrue(collection.getReplicas().stream().noneMatch( |
| replica -> withCollection.getReplicas(replica.getNodeName()) == null |
| || withCollection.getReplicas(replica.getNodeName()).isEmpty())); |
| |
| if (noneOnNode != null) { |
| assertTrue(collection.getReplicas().stream().noneMatch( |
| replica -> noneOnNode.equals(replica.getNodeName()))); |
| } |
| } |
| |
| private static CountDownLatch LATCH = new CountDownLatch(1); |
| } |