| /* |
| * 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.util.List; |
| |
| import org.apache.solr.SolrTestCaseJ4; |
| import org.apache.solr.SolrTestCaseJ4Test; |
| import org.apache.solr.cloud.overseer.NodeMutator; |
| import org.apache.solr.cloud.overseer.ZkWriteCommand; |
| import org.apache.solr.common.cloud.ClusterState; |
| import org.apache.solr.common.cloud.Replica; |
| import org.apache.solr.common.cloud.ZkNodeProps; |
| import org.apache.solr.common.cloud.ZkStateReader; |
| import org.junit.Test; |
| |
| @SolrTestCaseJ4.SuppressSSL // tests compare for http: |
| public class NodeMutatorTest extends SolrTestCaseJ4Test { |
| |
| private static final String NODE3 = "baseUrl3:8985_"; |
| private static final String NODE3_URL = "http://baseUrl3:8985"; |
| |
| private static final String NODE2 = "baseUrl2:8984_"; |
| private static final String NODE2_URL = "http://baseUrl2:8984"; |
| |
| private static final String NODE1 = "baseUrl1:8983_"; |
| private static final String NODE1_URL = "http://baseUrl1:8983"; |
| |
| @Test |
| public void downNodeReportsAllImpactedCollectionsAndNothingElse() throws IOException { |
| NodeMutator nm = new NodeMutator(null); |
| |
| //We use 2 nodes with maxShardsPerNode as 1 |
| //Collection1: 2 shards X 1 replica = replica1 on node1 and replica2 on node2 |
| //Collection2: 1 shard X 1 replica = replica1 on node2 |
| ZkStateReader reader = ClusterStateMockUtil.buildClusterState("csrr2rDcsr2", 1, 1, NODE1, NODE2); |
| ClusterState clusterState = reader.getClusterState(); |
| assertEquals(clusterState.getCollection("collection1").getReplica("replica1").getBaseUrl(), NODE1_URL); |
| assertEquals(clusterState.getCollection("collection1").getReplica("replica2").getBaseUrl(), NODE2_URL); |
| assertEquals(clusterState.getCollection("collection2").getReplica("replica4").getBaseUrl(), NODE2_URL); |
| |
| ZkNodeProps props = new ZkNodeProps(ZkStateReader.NODE_NAME_PROP, NODE1); |
| List<ZkWriteCommand> writes = nm.downNode(clusterState, props); |
| assertEquals(writes.size(), 1); |
| assertEquals(writes.get(0).name, "collection1"); |
| assertEquals(writes.get(0).collection.getReplica("replica1").getState(), Replica.State.DOWN); |
| assertEquals(writes.get(0).collection.getReplica("replica2").getState(), Replica.State.ACTIVE); |
| reader.close(); |
| |
| //We use 3 nodes with maxShardsPerNode as 1 |
| //Collection1: 2 shards X 1 replica = replica1 on node1 and replica2 on node2 |
| //Collection2: 1 shard X 1 replica = replica1 on node2 |
| //Collection3: 1 shard X 3 replica = replica1 on node1 , replica2 on node2, replica3 on node3 |
| reader = ClusterStateMockUtil.buildClusterState("csrr2rDcsr2csr1r2r3", 1, 1, NODE1, NODE2, NODE3); |
| clusterState = reader.getClusterState(); |
| assertEquals(clusterState.getCollection("collection1").getReplica("replica1").getBaseUrl(), NODE1_URL); |
| assertEquals(clusterState.getCollection("collection1").getReplica("replica2").getBaseUrl(), NODE2_URL); |
| |
| assertEquals(clusterState.getCollection("collection2").getReplica("replica4").getBaseUrl(), NODE2_URL); |
| |
| assertEquals(clusterState.getCollection("collection3").getReplica("replica5").getBaseUrl(), NODE1_URL); |
| assertEquals(clusterState.getCollection("collection3").getReplica("replica6").getBaseUrl(), NODE2_URL); |
| assertEquals(clusterState.getCollection("collection3").getReplica("replica7").getBaseUrl(), NODE3_URL); |
| |
| writes = nm.downNode(clusterState, props); |
| assertEquals(writes.size(), 2); |
| for (ZkWriteCommand write : writes) { |
| if (write.name.equals("collection1")) { |
| assertEquals(write.collection.getReplica("replica1").getState(), Replica.State.DOWN); |
| assertEquals(write.collection.getReplica("replica2").getState(), Replica.State.ACTIVE); |
| } else if (write.name.equals("collection3")) { |
| assertEquals(write.collection.getReplica("replica5").getState(), Replica.State.DOWN); |
| assertEquals(write.collection.getReplica("replica6").getState(), Replica.State.ACTIVE); |
| assertEquals(write.collection.getReplica("replica7").getState(), Replica.State.ACTIVE); |
| } else { |
| fail("No other collection needs to be changed"); |
| } |
| } |
| reader.close(); |
| } |
| } |