| /* |
| * 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 |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * 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.hadoop.hdds.scm.container.replication; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.apache.hadoop.hdds.client.ECReplicationConfig; |
| import org.apache.hadoop.hdds.protocol.MockDatanodeDetails; |
| import org.apache.hadoop.hdds.scm.container.ContainerInfo; |
| import org.apache.hadoop.hdds.scm.container.ContainerReplica; |
| import org.apache.hadoop.hdds.scm.container.replication.ContainerHealthResult.OverReplicatedHealthResult; |
| import org.apache.hadoop.hdds.scm.container.replication.ContainerHealthResult.UnderReplicatedHealthResult; |
| import org.apache.hadoop.hdds.scm.container.replication.ContainerHealthResult.HealthState; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeOperationalState.DECOMMISSIONED; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeOperationalState.DECOMMISSIONING; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeOperationalState.IN_MAINTENANCE; |
| import static org.apache.hadoop.hdds.protocol.proto.HddsProtos.NodeOperationalState.IN_SERVICE; |
| import static org.apache.hadoop.hdds.scm.container.replication.ContainerReplicaOp.PendingOpType.ADD; |
| import static org.apache.hadoop.hdds.scm.container.replication.ContainerReplicaOp.PendingOpType.DELETE; |
| import static org.apache.hadoop.hdds.scm.container.replication.ReplicationTestUtil.createContainerInfo; |
| import static org.apache.hadoop.hdds.scm.container.replication.ReplicationTestUtil.createReplicas; |
| |
| /** |
| * Tests for the ECContainerHealthCheck class. |
| */ |
| public class TestECContainerHealthCheck { |
| |
| private ECContainerHealthCheck healthCheck; |
| private ECReplicationConfig repConfig; |
| |
| @Before |
| public void setup() { |
| healthCheck = new ECContainerHealthCheck(); |
| repConfig = new ECReplicationConfig(3, 2); |
| } |
| |
| @Test |
| public void testHealthyContainerIsHealthy() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas |
| = createReplicas(container.containerID(), 1, 2, 3, 4, 5); |
| ContainerHealthResult result = healthCheck.checkHealth(container, replicas, |
| Collections.emptyList(), 2); |
| Assert.assertEquals(HealthState.HEALTHY, result.getHealthState()); |
| } |
| |
| @Test |
| public void testUnderReplicatedContainerIsUnderReplicated() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas |
| = createReplicas(container.containerID(), 1, 2, 4, 5); |
| UnderReplicatedHealthResult result = (UnderReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, |
| Collections.emptyList(), 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(1, result.getRemainingRedundancy()); |
| Assert.assertFalse(result.isSufficientlyReplicatedAfterPending()); |
| Assert.assertFalse(result.underReplicatedDueToDecommission()); |
| } |
| |
| @Test |
| public void testUnderReplicatedContainerFixedWithPending() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas |
| = createReplicas(container.containerID(), 1, 2, 4, 5); |
| List<ContainerReplicaOp> pending = new ArrayList<>(); |
| pending.add(ContainerReplicaOp.create( |
| ADD, MockDatanodeDetails.randomDatanodeDetails(), 3)); |
| UnderReplicatedHealthResult result = (UnderReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, pending, 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(1, result.getRemainingRedundancy()); |
| Assert.assertTrue(result.isSufficientlyReplicatedAfterPending()); |
| Assert.assertFalse(result.underReplicatedDueToDecommission()); |
| } |
| |
| @Test |
| public void testUnderReplicatedDueToDecommission() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2), |
| Pair.of(IN_SERVICE, 3), Pair.of(DECOMMISSIONING, 4), |
| Pair.of(DECOMMISSIONED, 5)); |
| |
| UnderReplicatedHealthResult result = (UnderReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, Collections.emptyList(), |
| 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(2, result.getRemainingRedundancy()); |
| Assert.assertFalse(result.isSufficientlyReplicatedAfterPending()); |
| Assert.assertTrue(result.underReplicatedDueToDecommission()); |
| } |
| |
| @Test |
| public void testUnderReplicatedDueToDecommissionFixedWithPending() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2), |
| Pair.of(IN_SERVICE, 3), Pair.of(DECOMMISSIONING, 4), |
| Pair.of(IN_SERVICE, 4), Pair.of(DECOMMISSIONED, 5)); |
| List<ContainerReplicaOp> pending = new ArrayList<>(); |
| pending.add(ContainerReplicaOp.create( |
| ADD, MockDatanodeDetails.randomDatanodeDetails(), 5)); |
| |
| UnderReplicatedHealthResult result = (UnderReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, pending, 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(2, result.getRemainingRedundancy()); |
| Assert.assertTrue(result.isSufficientlyReplicatedAfterPending()); |
| Assert.assertTrue(result.underReplicatedDueToDecommission()); |
| } |
| |
| @Test |
| public void testUnderReplicatedDueToDecommissionAndMissing() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2), |
| Pair.of(DECOMMISSIONING, 4), Pair.of(DECOMMISSIONED, 5)); |
| List<ContainerReplicaOp> pending = new ArrayList<>(); |
| pending.add(ContainerReplicaOp.create( |
| ADD, MockDatanodeDetails.randomDatanodeDetails(), 3)); |
| |
| UnderReplicatedHealthResult result = (UnderReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, pending, 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(1, result.getRemainingRedundancy()); |
| Assert.assertFalse(result.isSufficientlyReplicatedAfterPending()); |
| Assert.assertFalse(result.underReplicatedDueToDecommission()); |
| } |
| |
| @Test |
| public void testUnderReplicatedAndUnrecoverable() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2)); |
| |
| UnderReplicatedHealthResult result = (UnderReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, |
| Collections.emptyList(), 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(-1, result.getRemainingRedundancy()); |
| Assert.assertFalse(result.isSufficientlyReplicatedAfterPending()); |
| Assert.assertFalse(result.underReplicatedDueToDecommission()); |
| Assert.assertTrue(result.isUnrecoverable()); |
| } |
| |
| @Test |
| public void testOverReplicatedContainer() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2), |
| Pair.of(IN_SERVICE, 3), Pair.of(IN_SERVICE, 4), |
| Pair.of(IN_SERVICE, 5), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2)); |
| |
| List<ContainerReplicaOp> pending = new ArrayList<>(); |
| pending.add(ContainerReplicaOp.create( |
| DELETE, MockDatanodeDetails.randomDatanodeDetails(), 1)); |
| pending.add(ContainerReplicaOp.create( |
| DELETE, MockDatanodeDetails.randomDatanodeDetails(), 2)); |
| |
| OverReplicatedHealthResult result = (OverReplicatedHealthResult) |
| healthCheck.checkHealth(container, replicas, pending, 2); |
| Assert.assertEquals(HealthState.OVER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(2, result.getExcessRedundancy()); |
| Assert.assertTrue(result.isSufficientlyReplicatedAfterPending()); |
| } |
| |
| @Test |
| public void testOverReplicatedContainerDueToMaintenance() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2), |
| Pair.of(IN_SERVICE, 3), Pair.of(IN_SERVICE, 4), |
| Pair.of(IN_SERVICE, 5), |
| Pair.of(IN_MAINTENANCE, 1), Pair.of(IN_MAINTENANCE, 2)); |
| |
| ContainerHealthResult result = healthCheck.checkHealth(container, replicas, |
| Collections.emptyList(), 2); |
| Assert.assertEquals(HealthState.HEALTHY, result.getHealthState()); |
| } |
| |
| @Test |
| public void testOverAndUnderReplicated() { |
| ContainerInfo container = createContainerInfo(repConfig); |
| Set<ContainerReplica> replicas = createReplicas(container.containerID(), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2), |
| Pair.of(IN_SERVICE, 3), Pair.of(IN_SERVICE, 4), |
| Pair.of(IN_SERVICE, 1), Pair.of(IN_SERVICE, 2)); |
| |
| ContainerHealthResult result = healthCheck.checkHealth(container, replicas, |
| Collections.emptyList(), 2); |
| Assert.assertEquals(HealthState.UNDER_REPLICATED, result.getHealthState()); |
| Assert.assertEquals(1, |
| ((UnderReplicatedHealthResult)result).getRemainingRedundancy()); |
| } |
| |
| } |