| package org.apache.helix.controller.rebalancer.waged.model; |
| |
| /* |
| * 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. |
| */ |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.helix.HelixException; |
| import org.apache.helix.model.ClusterConfig; |
| import org.apache.helix.model.ResourceConfig; |
| import org.apache.helix.model.StateModelDefinition; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| |
| public class TestAssignableReplica { |
| String resourceName = "Resource"; |
| String partitionNamePrefix = "partition"; |
| String masterState = "Master"; |
| int masterPriority = StateModelDefinition.TOP_STATE_PRIORITY; |
| String slaveState = "Slave"; |
| int slavePriority = 2; |
| |
| @Test |
| public void testConstructReplicaWithResourceConfig() throws IOException { |
| // Init assignable replica with a basic config object |
| Map<String, Integer> capacityDataMapResource1 = new HashMap<>(); |
| capacityDataMapResource1.put("item1", 3); |
| capacityDataMapResource1.put("item2", 6); |
| ResourceConfig testResourceConfigResource = new ResourceConfig(resourceName); |
| testResourceConfigResource.setPartitionCapacityMap( |
| Collections.singletonMap(ResourceConfig.DEFAULT_PARTITION_KEY, capacityDataMapResource1)); |
| ClusterConfig testClusterConfig = new ClusterConfig("testCluster"); |
| testClusterConfig.setInstanceCapacityKeys(new ArrayList<>(capacityDataMapResource1.keySet())); |
| |
| String partitionName = partitionNamePrefix + 1; |
| AssignableReplica replica = |
| new AssignableReplica(testClusterConfig, testResourceConfigResource, partitionName, |
| masterState, masterPriority); |
| Assert.assertEquals(replica.getResourceName(), resourceName); |
| Assert.assertEquals(replica.getPartitionName(), partitionName); |
| Assert.assertEquals(replica.getReplicaState(), masterState); |
| Assert.assertEquals(replica.getStatePriority(), masterPriority); |
| Assert.assertTrue(replica.isReplicaTopState()); |
| Assert.assertEquals(replica.getCapacity(), capacityDataMapResource1); |
| Assert.assertEquals(replica.getResourceInstanceGroupTag(), null); |
| Assert.assertEquals(replica.getResourceMaxPartitionsPerInstance(), Integer.MAX_VALUE); |
| |
| // Modify the config and initialize more replicas. |
| // 1. update capacity |
| Map<String, Integer> capacityDataMapResource2 = new HashMap<>(); |
| capacityDataMapResource2.put("item1", 5); |
| capacityDataMapResource2.put("item2", 10); |
| Map<String, Map<String, Integer>> capacityMap = |
| testResourceConfigResource.getPartitionCapacityMap(); |
| String partitionName2 = partitionNamePrefix + 2; |
| capacityMap.put(partitionName2, capacityDataMapResource2); |
| testResourceConfigResource.setPartitionCapacityMap(capacityMap); |
| // 2. update instance group tag and max partitions per instance |
| String group = "DEFAULT"; |
| int maxPartition = 10; |
| testResourceConfigResource.getRecord() |
| .setSimpleField(ResourceConfig.ResourceConfigProperty.INSTANCE_GROUP_TAG.toString(), group); |
| testResourceConfigResource.getRecord() |
| .setIntField(ResourceConfig.ResourceConfigProperty.MAX_PARTITIONS_PER_INSTANCE.name(), |
| maxPartition); |
| |
| replica = new AssignableReplica(testClusterConfig, testResourceConfigResource, partitionName, |
| masterState, masterPriority); |
| Assert.assertEquals(replica.getCapacity(), capacityDataMapResource1); |
| Assert.assertEquals(replica.getResourceInstanceGroupTag(), group); |
| Assert.assertEquals(replica.getResourceMaxPartitionsPerInstance(), maxPartition); |
| |
| replica = new AssignableReplica(testClusterConfig, testResourceConfigResource, partitionName2, |
| slaveState, slavePriority); |
| Assert.assertEquals(replica.getResourceName(), resourceName); |
| Assert.assertEquals(replica.getPartitionName(), partitionName2); |
| Assert.assertEquals(replica.getReplicaState(), slaveState); |
| Assert.assertEquals(replica.getStatePriority(), slavePriority); |
| Assert.assertFalse(replica.isReplicaTopState()); |
| Assert.assertEquals(replica.getCapacity(), capacityDataMapResource2); |
| Assert.assertEquals(replica.getResourceInstanceGroupTag(), group); |
| Assert.assertEquals(replica.getResourceMaxPartitionsPerInstance(), maxPartition); |
| } |
| |
| /** |
| * Tests that if default partition weight map is configured in ClusterConfig and NOT in |
| * ResourceConfig. AssignableReplica actually will get the default weight from ClusterConfig |
| * even though it's not set in ResourceConfig. |
| */ |
| @Test |
| public void testDefaultPartitionWeight() { |
| Map<String, Integer> defaultWeightDataMapResource = new HashMap<>(); |
| defaultWeightDataMapResource.put("item1", 3); |
| defaultWeightDataMapResource.put("item2", 6); |
| ClusterConfig testClusterConfig = new ClusterConfig("testClusterConfigId"); |
| testClusterConfig |
| .setInstanceCapacityKeys(new ArrayList<>(defaultWeightDataMapResource.keySet())); |
| testClusterConfig.setDefaultPartitionWeightMap(defaultWeightDataMapResource); |
| |
| ResourceConfig testResourceConfigResource = new ResourceConfig(resourceName); |
| AssignableReplica replica = new AssignableReplica(testClusterConfig, testResourceConfigResource, |
| partitionNamePrefix + 1, masterState, masterPriority); |
| |
| Assert.assertEquals(replica.getCapacity().size(), defaultWeightDataMapResource.size()); |
| Assert.assertEquals(replica.getCapacity(), defaultWeightDataMapResource); |
| } |
| |
| @Test |
| public void testIncompletePartitionWeightConfig() throws IOException { |
| // Init assignable replica with a basic config object |
| Map<String, Integer> capacityDataMapResource = new HashMap<>(); |
| capacityDataMapResource.put("item1", 3); |
| capacityDataMapResource.put("item2", 6); |
| ResourceConfig testResourceConfigResource = new ResourceConfig(resourceName); |
| testResourceConfigResource.setPartitionCapacityMap( |
| Collections.singletonMap(ResourceConfig.DEFAULT_PARTITION_KEY, capacityDataMapResource)); |
| ClusterConfig testClusterConfig = new ClusterConfig("testCluster"); |
| List<String> requiredCapacityKeys = new ArrayList<>(capacityDataMapResource.keySet()); |
| // Remove one required key, so it becomes a unnecessary item. |
| String unnecessaryCapacityKey = requiredCapacityKeys.remove(0); |
| // Add one new required key, so it does not exist in the resource config. |
| String newCapacityKey = "newCapacityKey"; |
| requiredCapacityKeys.add(newCapacityKey); |
| testClusterConfig.setInstanceCapacityKeys(requiredCapacityKeys); |
| |
| try { |
| new AssignableReplica(testClusterConfig, testResourceConfigResource, |
| partitionNamePrefix + 1, masterState, masterPriority); |
| Assert.fail("Creating new replica should fail because of incomplete partition weight."); |
| } catch (HelixException ex) { |
| // expected |
| } |
| |
| Map<String, Integer> defaultCapacityDataMap = new HashMap<>(); |
| for (String key : requiredCapacityKeys) { |
| defaultCapacityDataMap.put(key, 0); |
| } |
| testClusterConfig.setDefaultPartitionWeightMap(defaultCapacityDataMap); |
| |
| AssignableReplica replica = new AssignableReplica(testClusterConfig, testResourceConfigResource, |
| partitionNamePrefix + 1, masterState, masterPriority); |
| Assert.assertTrue(replica.getCapacity().keySet().containsAll(requiredCapacityKeys)); |
| Assert.assertEquals(replica.getCapacity().get(newCapacityKey).intValue(), 0); |
| Assert.assertFalse(replica.getCapacity().containsKey(unnecessaryCapacityKey)); |
| } |
| } |