HDDS-1285. Implement actions need to be taken after chill mode exit w… #612
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| /** | ||
| * 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. | ||
| */ | ||
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| package org.apache.hadoop.hdds.scm.chillmode; | ||
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| import org.apache.hadoop.hdds.HddsConfigKeys; | ||
| import org.apache.hadoop.hdds.conf.OzoneConfiguration; | ||
| import org.apache.hadoop.hdds.protocol.DatanodeDetails; | ||
| import org.apache.hadoop.hdds.protocol.proto.HddsProtos; | ||
| import org.apache.hadoop.hdds.scm.ScmConfigKeys; | ||
| import org.apache.hadoop.hdds.scm.container.ReplicationManager; | ||
| import org.apache.hadoop.hdds.scm.pipeline.Pipeline; | ||
| import org.apache.hadoop.hdds.scm.pipeline.PipelineManager; | ||
| import org.apache.hadoop.hdds.scm.server.StorageContainerManager; | ||
| import org.apache.hadoop.ozone.MiniOzoneCluster; | ||
| import org.apache.hadoop.test.GenericTestUtils; | ||
| import org.junit.After; | ||
| import org.junit.Assert; | ||
| import org.junit.Rule; | ||
| import org.junit.Test; | ||
| import org.junit.rules.TemporaryFolder; | ||
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| import java.util.List; | ||
| import java.util.concurrent.TimeoutException; | ||
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| import static org.junit.Assert.fail; | ||
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| /** | ||
| * This class tests SCM Chill mode with pipeline rules. | ||
| */ | ||
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| public class TestSCMChillModeWithPipelineRules { | ||
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| private static MiniOzoneCluster cluster; | ||
| private OzoneConfiguration conf = new OzoneConfiguration(); | ||
| private PipelineManager pipelineManager; | ||
| private MiniOzoneCluster.Builder clusterBuilder; | ||
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| @Rule | ||
| public TemporaryFolder temporaryFolder = new TemporaryFolder(); | ||
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| public void setup(int numDatanodes) throws Exception { | ||
| conf.set(HddsConfigKeys.OZONE_METADATA_DIRS, | ||
| temporaryFolder.newFolder().toString()); | ||
| conf.setBoolean( | ||
| HddsConfigKeys.HDDS_SCM_CHILLMODE_PIPELINE_AVAILABILITY_CHECK, | ||
| true); | ||
| conf.set(HddsConfigKeys.HDDS_SCM_WAIT_TIME_AFTER_CHILL_MODE_EXIT, "10s"); | ||
| conf.set(ScmConfigKeys.OZONE_SCM_PIPELINE_CREATION_INTERVAL, "10s"); | ||
| clusterBuilder = MiniOzoneCluster.newBuilder(conf) | ||
| .setNumDatanodes(numDatanodes) | ||
| .setHbInterval(1000) | ||
| .setHbProcessorInterval(1000); | ||
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| cluster = clusterBuilder.build(); | ||
| cluster.waitForClusterToBeReady(); | ||
| StorageContainerManager scm = cluster.getStorageContainerManager(); | ||
| pipelineManager = scm.getPipelineManager(); | ||
| } | ||
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| @Test | ||
| public void testScmChillMode() throws Exception { | ||
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| int datanodeCount = 6; | ||
| setup(datanodeCount); | ||
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| waitForRatis3NodePipelines(datanodeCount/3); | ||
| waitForRatis1NodePipelines(datanodeCount); | ||
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| int totalPipelineCount = datanodeCount + (datanodeCount/3); | ||
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| //Cluster is started successfully | ||
| cluster.stop(); | ||
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| cluster.restartOzoneManager(); | ||
| cluster.restartStorageContainerManager(false); | ||
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| pipelineManager = cluster.getStorageContainerManager().getPipelineManager(); | ||
| List<Pipeline> pipelineList = | ||
| pipelineManager.getPipelines(HddsProtos.ReplicationType.RATIS, | ||
| HddsProtos.ReplicationFactor.THREE); | ||
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| pipelineList.get(0).getNodes().forEach(datanodeDetails -> { | ||
| try { | ||
| cluster.restartHddsDatanode(datanodeDetails, false); | ||
| } catch (Exception ex) { | ||
| fail("Datanode restart failed"); | ||
| } | ||
| }); | ||
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| SCMChillModeManager scmChillModeManager = | ||
| cluster.getStorageContainerManager().getScmChillModeManager(); | ||
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| // Ceil(0.1 * 2) is 1, as one pipeline is healthy healthy pipeline rule is | ||
| // satisfied | ||
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| GenericTestUtils.waitFor(() -> | ||
| scmChillModeManager.getHealthyPipelineChillModeRule() | ||
| .validate(), 1000, 60000); | ||
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| // As Ceil(0.9 * 2) is 2, and from second pipeline no datanodes's are | ||
| // reported this rule is not met yet. | ||
| GenericTestUtils.waitFor(() -> | ||
|
Contributor
There was a problem hiding this comment. Here as well, do we need
Contributor
Author
There was a problem hiding this comment. Yes because here scm is restarted without waiting for any datanodes. |
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| !scmChillModeManager.getOneReplicaPipelineChillModeRule() | ||
| .validate(), 1000, 60000); | ||
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| Assert.assertTrue(cluster.getStorageContainerManager().isInChillMode()); | ||
|
nandakumar131 marked this conversation as resolved.
Outdated
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| DatanodeDetails restartedDatanode = pipelineList.get(1).getFirstNode(); | ||
| // Now restart one datanode from the 2nd pipeline | ||
| try { | ||
| cluster.restartHddsDatanode(restartedDatanode, false); | ||
| } catch (Exception ex) { | ||
| fail("Datanode restart failed"); | ||
| } | ||
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| GenericTestUtils.waitFor(() -> | ||
| scmChillModeManager.getOneReplicaPipelineChillModeRule() | ||
| .validate(), 1000, 60000); | ||
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| GenericTestUtils.waitFor(() -> !scmChillModeManager.getInChillMode(), 1000, | ||
| 60000); | ||
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| // As after chillmode wait time is not completed, we should have total | ||
| // pipeline's as original count 6(1 node pipelines) + 2 (3 node pipeline) | ||
| Assert.assertEquals(totalPipelineCount, | ||
| pipelineManager.getPipelines().size()); | ||
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| ReplicationManager replicationManager = | ||
| cluster.getStorageContainerManager().getReplicationManager(); | ||
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| GenericTestUtils.waitFor(() -> | ||
| replicationManager.isRunning(), 1000, 60000); | ||
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| // As 4 datanodes are reported, 4 single node pipeline and 1 3 node | ||
| // pipeline. | ||
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| waitForRatis1NodePipelines(4); | ||
| waitForRatis3NodePipelines(1); | ||
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| // Restart other datanodes in the pipeline, and after some time we should | ||
| // have same count as original. | ||
| pipelineList.get(1).getNodes().forEach(datanodeDetails -> { | ||
| try { | ||
| if (!restartedDatanode.equals(datanodeDetails)) { | ||
| cluster.restartHddsDatanode(datanodeDetails, false); | ||
| } | ||
| } catch (Exception ex) { | ||
| fail("Datanode restart failed"); | ||
| } | ||
| }); | ||
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| waitForRatis1NodePipelines(datanodeCount); | ||
| waitForRatis3NodePipelines(datanodeCount/3); | ||
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| } | ||
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| @After | ||
| public void tearDown() { | ||
| if (cluster != null) { | ||
| cluster.shutdown(); | ||
| } | ||
| } | ||
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| private void waitForRatis3NodePipelines(int numPipelines) | ||
| throws TimeoutException, InterruptedException { | ||
| GenericTestUtils.waitFor(() -> pipelineManager | ||
| .getPipelines(HddsProtos.ReplicationType.RATIS, | ||
| HddsProtos.ReplicationFactor.THREE, Pipeline.PipelineState.OPEN) | ||
| .size() == numPipelines, 100, 60000); | ||
| } | ||
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| private void waitForRatis1NodePipelines(int numPipelines) | ||
| throws TimeoutException, InterruptedException { | ||
| GenericTestUtils.waitFor(() -> pipelineManager | ||
| .getPipelines(HddsProtos.ReplicationType.RATIS, | ||
| HddsProtos.ReplicationFactor.ONE, Pipeline.PipelineState.OPEN) | ||
| .size() == numPipelines, 100, 60000); | ||
| } | ||
| } | ||
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