| /* |
| * 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 org.apache.commons.lang3.StringUtils; |
| import org.apache.solr.client.solrj.SolrServerException; |
| import org.apache.solr.client.solrj.impl.CloudSolrClient; |
| import org.apache.solr.client.solrj.request.QueryRequest; |
| import org.apache.solr.cloud.AbstractFullDistribZkTestBase; |
| 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.cloud.Slice; |
| import org.apache.solr.common.params.ModifiableSolrParams; |
| import org.apache.solr.common.util.NamedList; |
| import org.apache.zookeeper.KeeperException; |
| |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| // Collect useful operations for testing assigning properties to individual replicas |
| // Could probably expand this to do something creative with getting random slices |
| // and shards, but for now this will do. |
| public abstract class ReplicaPropertiesBase extends AbstractFullDistribZkTestBase { |
| |
| public static NamedList<Object> doPropertyAction(CloudSolrClient client, String... paramsIn) throws IOException, SolrServerException { |
| assertTrue("paramsIn must be an even multiple of 2, it is: " + paramsIn.length, (paramsIn.length % 2) == 0); |
| ModifiableSolrParams params = new ModifiableSolrParams(); |
| for (int idx = 0; idx < paramsIn.length; idx += 2) { |
| params.set(paramsIn[idx], paramsIn[idx + 1]); |
| } |
| QueryRequest request = new QueryRequest(params); |
| request.setPath("/admin/collections"); |
| return client.request(request); |
| } |
| |
| public static void verifyPropertyNotPresent(CloudSolrClient client, String collectionName, String replicaName, |
| String property) |
| throws KeeperException, InterruptedException { |
| ClusterState clusterState = null; |
| Replica replica = null; |
| for (int idx = 0; idx < 300; ++idx) { |
| clusterState = client.getZkStateReader().getClusterState(); |
| final DocCollection docCollection = clusterState.getCollectionOrNull(collectionName); |
| replica = (docCollection == null) ? null : docCollection.getReplica(replicaName); |
| if (replica == null) { |
| fail("Could not find collection/replica pair! " + collectionName + "/" + replicaName); |
| } |
| if (StringUtils.isBlank(replica.getProperty(property))) return; |
| Thread.sleep(100); |
| } |
| fail("Property " + property + " not set correctly for collection/replica pair: " + |
| collectionName + "/" + replicaName + ". Replica props: " + replica.getProperties().toString() + |
| ". Cluster state is " + clusterState.toString()); |
| |
| } |
| |
| // The params are triplets, |
| // collection |
| // shard |
| // replica |
| public static void verifyPropertyVal(CloudSolrClient client, String collectionName, |
| String replicaName, String property, String val) |
| throws InterruptedException, KeeperException { |
| Replica replica = null; |
| ClusterState clusterState = null; |
| |
| for (int idx = 0; idx < 300; ++idx) { // Keep trying while Overseer writes the ZK state for up to 30 seconds. |
| clusterState = client.getZkStateReader().getClusterState(); |
| final DocCollection docCollection = clusterState.getCollectionOrNull(collectionName); |
| replica = (docCollection == null) ? null : docCollection.getReplica(replicaName); |
| if (replica == null) { |
| fail("Could not find collection/replica pair! " + collectionName + "/" + replicaName); |
| } |
| if (StringUtils.equals(val, replica.getProperty(property))) return; |
| Thread.sleep(100); |
| } |
| |
| fail("Property '" + property + "' with value " + replica.getProperty(property) + |
| " not set correctly for collection/replica pair: " + collectionName + "/" + replicaName + " property map is " + |
| replica.getProperties().toString() + "."); |
| |
| } |
| |
| // Verify that |
| // 1> the property is only set once in all the replicas in a slice. |
| // 2> the property is balanced evenly across all the nodes hosting collection |
| public static void verifyUniqueAcrossCollection(CloudSolrClient client, String collectionName, |
| String property) throws KeeperException, InterruptedException { |
| verifyUnique(client, collectionName, property, true); |
| } |
| |
| public static void verifyUniquePropertyWithinCollection(CloudSolrClient client, String collectionName, |
| String property) throws KeeperException, InterruptedException { |
| verifyUnique(client, collectionName, property, false); |
| } |
| |
| public static void verifyUnique(CloudSolrClient client, String collectionName, String property, boolean balanced) |
| throws KeeperException, InterruptedException { |
| |
| DocCollection col = null; |
| for (int idx = 0; idx < 300; ++idx) { |
| ClusterState clusterState = client.getZkStateReader().getClusterState(); |
| |
| col = clusterState.getCollection(collectionName); |
| if (col == null) { |
| fail("Could not find collection " + collectionName); |
| } |
| Map<String, Integer> counts = new HashMap<>(); |
| Set<String> uniqueNodes = new HashSet<>(); |
| boolean allSlicesHaveProp = true; |
| boolean badSlice = false; |
| for (Slice slice : col.getSlices()) { |
| boolean thisSliceHasProp = false; |
| int propCount = 0; |
| for (Replica replica : slice.getReplicas()) { |
| uniqueNodes.add(replica.getNodeName()); |
| String propVal = replica.getProperty(property); |
| if (StringUtils.isNotBlank(propVal)) { |
| ++propCount; |
| if (counts.containsKey(replica.getNodeName()) == false) { |
| counts.put(replica.getNodeName(), 0); |
| } |
| int count = counts.get(replica.getNodeName()); |
| thisSliceHasProp = true; |
| counts.put(replica.getNodeName(), count + 1); |
| } |
| } |
| badSlice = (propCount > 1) ? true : badSlice; |
| allSlicesHaveProp = allSlicesHaveProp ? thisSliceHasProp : allSlicesHaveProp; |
| } |
| if (balanced == false && badSlice == false) { |
| return; |
| } |
| if (allSlicesHaveProp && balanced) { |
| // Check that the properties are evenly distributed. |
| int minProps = col.getSlices().size() / uniqueNodes.size(); |
| int maxProps = minProps; |
| |
| if (col.getSlices().size() % uniqueNodes.size() > 0) { |
| ++maxProps; |
| } |
| boolean doSleep = false; |
| for (Map.Entry<String, Integer> ent : counts.entrySet()) { |
| if (ent.getValue() != minProps && ent.getValue() != maxProps) { |
| doSleep = true; |
| } |
| } |
| |
| if (doSleep == false) { |
| assertTrue("We really shouldn't be calling this if there is no node with the property " + property, |
| counts.size() > 0); |
| return; |
| } |
| } |
| Thread.sleep(100); |
| } |
| fail("Collection " + collectionName + " does not have roles evenly distributed. Collection is: " + col.toString()); |
| } |
| |
| } |