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+/**
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+ * Licensed to the Apache Software Foundation (ASF) under one
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+ * or more contributor license agreements. See the NOTICE file
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+ * distributed with this work for additional information
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+ * regarding copyright ownership. The ASF licenses this file
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+ * to you under the Apache License, Version 2.0 (the
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+ * "License"); you may not use this file except in compliance
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+ * with the License. You may obtain a copy of the License at
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+ * <p>
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ * <p>
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+package org.apache.hadoop.ozone.container.common.statemachine.commandhandler;
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+
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+import org.apache.hadoop.conf.OzoneConfiguration;
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+import org.apache.hadoop.ozone.MiniOzoneClassicCluster;
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+import org.apache.hadoop.ozone.OzoneConsts;
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+import org.apache.hadoop.ozone.client.ObjectStore;
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+import org.apache.hadoop.ozone.client.OzoneClient;
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+import org.apache.hadoop.ozone.client.OzoneClientFactory;
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+import org.apache.hadoop.ozone.client.ReplicationFactor;
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+import org.apache.hadoop.ozone.client.ReplicationType;
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+import org.apache.hadoop.ozone.client.io.OzoneOutputStream;
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+import org.apache.hadoop.ozone.client.rest.OzoneException;
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+import org.apache.hadoop.ozone.container.common.helpers.ContainerData;
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+import org.apache.hadoop.ozone.ksm.helpers.KsmKeyArgs;
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+import org.apache.hadoop.ozone.ksm.helpers.KsmKeyLocationInfo;
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+import org.apache.hadoop.ozone.protocol.commands.CloseContainerCommand;
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+import org.apache.hadoop.ozone.protocol.proto.OzoneProtos;
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+import static org.apache.hadoop.scm.ScmConfigKeys.OZONE_SCM_CONTAINER_SIZE_GB;
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+import org.apache.hadoop.scm.container.common.helpers.StorageContainerException;
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+import org.apache.hadoop.test.GenericTestUtils;
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+import org.junit.Assert;
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+import org.junit.Test;
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+
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+import java.io.IOException;
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+import java.util.concurrent.TimeoutException;
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+
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+/**
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+ * Test to behaviour of the datanode when recieve close container command.
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+ */
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+public class TestCloseContainerHandler {
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+
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+ @Test
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+ public void test() throws IOException, TimeoutException, InterruptedException,
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+ OzoneException {
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+
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+ //setup a cluster (1G free space is enough for a unit test)
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+ OzoneConfiguration conf = new OzoneConfiguration();
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+ conf.set(OZONE_SCM_CONTAINER_SIZE_GB, "1");
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+ MiniOzoneClassicCluster cluster =
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+ new MiniOzoneClassicCluster.Builder(conf).numDataNodes(1)
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+ .setHandlerType(OzoneConsts.OZONE_HANDLER_DISTRIBUTED).build();
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+ cluster.waitOzoneReady();
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+
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+ //the easiest way to create an open container is creating a key
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+ OzoneClientFactory.setConfiguration(conf);
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+ OzoneClient client = OzoneClientFactory.getClient();
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+ ObjectStore objectStore = client.getObjectStore();
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+ objectStore.createVolume("test");
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+ objectStore.getVolume("test").createBucket("test");
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+ OzoneOutputStream key = objectStore.getVolume("test").getBucket("test")
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+ .createKey("test", 1024, ReplicationType.STAND_ALONE,
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+ ReplicationFactor.ONE);
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+ key.write("test".getBytes());
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+ key.close();
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+
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+ //get the name of a valid container
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+ KsmKeyArgs keyArgs =
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+ new KsmKeyArgs.Builder().setVolumeName("test").setBucketName("test")
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+ .setType(OzoneProtos.ReplicationType.STAND_ALONE)
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+ .setFactor(OzoneProtos.ReplicationFactor.ONE).setDataSize(1024)
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+ .setKeyName("test").build();
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+
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+ KsmKeyLocationInfo ksmKeyLocationInfo =
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+ cluster.getKeySpaceManager().lookupKey(keyArgs).getKeyLocationVersions()
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+ .get(0).getBlocksLatestVersionOnly().get(0);
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+
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+ String containerName = ksmKeyLocationInfo.getContainerName();
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+
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+ Assert.assertFalse(isContainerClosed(cluster, containerName));
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+
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+ //send the order to close the container
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+ cluster.getStorageContainerManager().getScmNodeManager()
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+ .addDatanodeCommand(cluster.getDataNodes().get(0).getDatanodeId(),
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+ new CloseContainerCommand(containerName));
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+
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+ GenericTestUtils.waitFor(() -> isContainerClosed(cluster, containerName),
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+ 500,
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+ 5 * 1000);
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+
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+ //double check if it's really closed (waitFor also throws an exception)
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+ Assert.assertTrue(isContainerClosed(cluster, containerName));
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+ }
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+
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+ private Boolean isContainerClosed(MiniOzoneClassicCluster cluster,
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+ String containerName) {
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+ ContainerData containerData;
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+ try {
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+ containerData = cluster.getDataNodes().get(0).getOzoneContainerManager()
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+ .getContainerManager().readContainer(containerName);
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+ return !containerData.isOpen();
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+ } catch (StorageContainerException e) {
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+ throw new AssertionError(e);
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+ }
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+ }
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+
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+}
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Chen Liang