| /* |
| * 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.api.collections; |
| |
| import java.lang.invoke.MethodHandles; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.solr.SolrTestCaseJ4.SuppressSSL; |
| import org.apache.solr.client.solrj.request.CollectionAdminRequest; |
| import org.apache.solr.cloud.SolrCloudTestCase; |
| import org.apache.solr.common.cloud.Replica; |
| import org.apache.solr.common.util.RetryUtil; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Verifies cluster state remains consistent after collection reload. |
| */ |
| @SuppressSSL(bugUrl = "https://issues.apache.org/jira/browse/SOLR-5776") |
| public class CollectionReloadTest extends SolrCloudTestCase { |
| |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| @BeforeClass |
| public static void setupCluster() throws Exception { |
| configureCluster(1) |
| .addConfig("conf", configset("cloud-minimal")) |
| .configure(); |
| } |
| |
| @Test |
| public void testReloadedLeaderStateAfterZkSessionLoss() throws Exception { |
| |
| log.info("testReloadedLeaderStateAfterZkSessionLoss initialized OK ... running test logic"); |
| |
| final String testCollectionName = "c8n_1x1"; |
| CollectionAdminRequest.createCollection(testCollectionName, "conf", 1, 1) |
| .process(cluster.getSolrClient()); |
| |
| Replica leader |
| = cluster.getSolrClient().getZkStateReader().getLeaderRetry(testCollectionName, "shard1", DEFAULT_TIMEOUT); |
| |
| long coreStartTime = getCoreStatus(leader).getCoreStartTime().getTime(); |
| CollectionAdminRequest.reloadCollection(testCollectionName).process(cluster.getSolrClient()); |
| |
| RetryUtil.retryUntil("Timed out waiting for core to reload", 30, 1000, TimeUnit.MILLISECONDS, () -> { |
| long restartTime = 0; |
| try { |
| restartTime = getCoreStatus(leader).getCoreStartTime().getTime(); |
| } catch (Exception e) { |
| log.warn("Exception getting core start time: ", e); |
| return false; |
| } |
| return restartTime > coreStartTime; |
| }); |
| |
| final int initialStateVersion = getCollectionState(testCollectionName).getZNodeVersion(); |
| |
| cluster.expireZkSession(cluster.getReplicaJetty(leader)); |
| |
| waitForState("Timed out waiting for core to re-register as ACTIVE after session expiry", testCollectionName, (n, c) -> { |
| log.info("Collection state: {}", c); |
| Replica expiredReplica = c.getReplica(leader.getName()); |
| return expiredReplica.getState() == Replica.State.ACTIVE && c.getZNodeVersion() > initialStateVersion; |
| }); |
| |
| log.info("testReloadedLeaderStateAfterZkSessionLoss succeeded ... shutting down now!"); |
| } |
| } |