falcon-regression/merlin/src/test/java/org/apache/falcon/regression/hcat/HCatFeedOperationsTest.java - falcon - Git at Google

 /**
  * 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.falcon.regression.hcat;

 import org.apache.falcon.entity.v0.EntityType;
 import org.apache.falcon.entity.v0.Frequency;
 import org.apache.falcon.entity.v0.cluster.Interfacetype;
 import org.apache.falcon.entity.v0.feed.ActionType;
 import org.apache.falcon.entity.v0.feed.ClusterType;
 import org.apache.falcon.regression.Entities.FeedMerlin;
 import org.apache.falcon.regression.core.bundle.Bundle;
 import org.apache.falcon.regression.core.enumsAndConstants.FreqType;
 import org.apache.falcon.regression.core.helpers.ColoHelper;
 import org.apache.falcon.regression.core.response.ServiceResponse;
 import org.apache.falcon.regression.core.util.AssertUtil;
 import org.apache.falcon.regression.core.util.BundleUtil;
 import org.apache.falcon.regression.core.util.HCatUtil;
 import org.apache.falcon.regression.core.util.InstanceUtil;
 import org.apache.falcon.regression.core.util.OSUtil;
 import org.apache.falcon.regression.core.util.OozieUtil;
 import org.apache.falcon.regression.core.util.Util;
 import org.apache.falcon.regression.testHelper.BaseTestClass;
 import org.apache.hive.hcatalog.api.HCatClient;
 import org.apache.hive.hcatalog.api.HCatCreateTableDesc;
 import org.apache.hive.hcatalog.common.HCatException;
 import org.apache.hive.hcatalog.data.schema.HCatFieldSchema;
 import org.apache.oozie.client.Job;
 import org.apache.oozie.client.OozieClient;
 import org.testng.Assert;
 import org.testng.annotations.BeforeClass;
 import org.testng.annotations.BeforeMethod;
 import org.testng.annotations.AfterMethod;
 import org.testng.annotations.AfterClass;
 import org.testng.annotations.Test;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;

 /**
  * Tests with operations with hcat feed.
  */
 @Test(groups = "embedded")
 public class HCatFeedOperationsTest extends BaseTestClass {

     private ColoHelper cluster = servers.get(0);
     private OozieClient clusterOC = serverOC.get(0);
     private HCatClient clusterHC;

     private ColoHelper cluster2 = servers.get(1);
     private OozieClient cluster2OC = serverOC.get(1);
     private HCatClient cluster2HC;

     private String dbName = "default";
     private String tableName = "hcatFeedOperationsTest";
     private String randomTblName = "randomTable_HcatFeedOperationsTest";
     private String feed;
     private String aggregateWorkflowDir = cleanAndGetTestDir() + "/aggregator";

     @BeforeClass(alwaysRun = true)
     public void createTestData() throws Exception {
         uploadDirToClusters(aggregateWorkflowDir, OSUtil.RESOURCES_OOZIE);
         clusterHC = cluster.getClusterHelper().getHCatClient();
         cluster2HC = cluster2.getClusterHelper().getHCatClient();
         //create an empty table for feed operations
         ArrayList<HCatFieldSchema> partitions = new ArrayList<>();
         partitions.add(HCatUtil.getStringSchema("year", "yearPartition"));
         createEmptyTable(clusterHC, dbName, tableName, partitions);

         //A random table to test submission of replication feed when table doesn't exist on target
         createEmptyTable(clusterHC, dbName, randomTblName, partitions);

         //create empty table on target cluster
         createEmptyTable(cluster2HC, dbName, tableName, new ArrayList<HCatFieldSchema>());
     }

     @BeforeMethod(alwaysRun = true)
     public void setUp() throws Exception {
         Bundle bundle = BundleUtil.readHCatBundle();
         bundles[0] = new Bundle(bundle, cluster.getPrefix());
         bundles[0].generateUniqueBundle(this);
         bundles[0].setClusterInterface(Interfacetype.REGISTRY, cluster.getClusterHelper().getHCatEndpoint());

         bundles[1] = new Bundle(bundle, cluster2.getPrefix());
         bundles[1].generateUniqueBundle(this);
         bundles[1].setClusterInterface(Interfacetype.REGISTRY, cluster2.getClusterHelper().getHCatEndpoint());
     }

     @AfterMethod(alwaysRun = true)
     public void tearDown() throws HCatException {
         removeTestClassEntities();
     }

     @AfterClass(alwaysRun = true)
     public void tearDownClass() throws IOException {
         clusterHC.dropTable(dbName, tableName, true);
         clusterHC.dropTable(dbName, randomTblName, true);
         cluster2HC.dropTable(dbName, tableName, true);
     }

     /**
      * Submit Hcat feed when Hcat table mentioned in table uri does not exist. Response should reflect failure.
      *
      * @throws Exception
      */
     @Test(groups = {"multiCluster"})
     public void submitFeedWhenTableDoesNotExist() throws Exception {
         Bundle.submitCluster(bundles[1]);
         feed = bundles[1].getInputFeedFromBundle();
         FeedMerlin feedObj = new FeedMerlin(feed);
         feedObj.setTableValue(dbName, randomTblName, FreqType.YEARLY.getHcatPathValue());
         ServiceResponse response = prism.getFeedHelper().submitEntity(feedObj.toString());
         AssertUtil.assertFailed(response);
     }

     /**
      * Submit Hcat feed when Hcat table mentioned in table uri exists. Delete that feed, and re-submit.
      * All responses should reflect success.
      *
      * @throws Exception
      */
     @Test(groups = {"singleCluster"})
     public void submitFeedPostDeletionWhenTableExists() throws Exception {
         Bundle.submitCluster(bundles[0]);
         feed = bundles[0].getInputFeedFromBundle();
         FeedMerlin feedObj = new FeedMerlin(feed);
         feedObj.setTableValue(dbName, tableName, FreqType.YEARLY.getHcatPathValue());
         ServiceResponse response = prism.getFeedHelper().submitEntity(feedObj.toString());
         AssertUtil.assertSucceeded(response);

         response = prism.getFeedHelper().delete(feedObj.toString());
         AssertUtil.assertSucceeded(response);

         response = prism.getFeedHelper().submitEntity(feedObj.toString());
         AssertUtil.assertSucceeded(response);
     }

     /**
      * Submit Hcat Replication feed when Hcat table mentioned in table uri exists on both source and target.
      * The response is  Psucceeded, and a replication co-rdinator should apear on target oozie.
      * The test however does not ensure that
      * replication goes through.
      *
      * @throws Exception
      */
     @Test(groups = {"multiCluster"})
     public void submitAndScheduleReplicationFeedWhenTableExistsOnSourceAndTarget() throws Exception {
         Bundle.submitCluster(bundles[0], bundles[1]);
         final String startDate = "2010-01-01T20:00Z";
         final String endDate = "2099-01-01T00:00Z";
         String tableUri = "catalog:" + dbName + ":" + tableName + "#year=${YEAR}";
         bundles[0].setInputFeedPeriodicity(1, Frequency.TimeUnit.hours);
         bundles[0].setInputFeedValidity(startDate, endDate);
         bundles[0].setInputFeedTableUri(tableUri);

         feed = bundles[0].getDataSets().get(0);
         // set cluster 2 as the target.
         feed = FeedMerlin.fromString(feed).addFeedCluster(
             new FeedMerlin.FeedClusterBuilder(Util.readEntityName(bundles[1].getClusters().get(0)))
                 .withRetention("months(9000)", ActionType.DELETE)
                 .withValidity(startDate, endDate)
                 .withClusterType(ClusterType.TARGET)
                 .withTableUri(tableUri)
                 .build()).toString();

         AssertUtil.assertSucceeded(prism.getFeedHelper().submitAndSchedule(feed));
         InstanceUtil.waitTillInstancesAreCreated(cluster2OC, feed, 0);
         Assert.assertEquals(OozieUtil.checkIfFeedCoordExist(cluster2OC, Util.readEntityName(feed), "REPLICATION"), 1);
         //This test doesn't wait for replication to succeed.
     }

     /**
      * Submit Hcat Replication feed. Suspend the feed, and check that feed was suspended on
      * both clusters. Now resume feed, and check that status is running on both clusters.
      * The test however does not ensure that replication goes through.
      *
      * @throws Exception
      */
     @Test(groups = {"multiCluster"})
     public void suspendAndResumeReplicationFeed() throws Exception {

         submitAndScheduleReplicationFeedWhenTableExistsOnSourceAndTarget();

         AssertUtil.assertSucceeded(prism.getFeedHelper().suspend(feed));

         //check that feed suspended on both clusters
         AssertUtil.checkStatus(clusterOC, EntityType.FEED, feed, Job.Status.SUSPENDED);
         AssertUtil.checkStatus(cluster2OC, EntityType.FEED, feed, Job.Status.SUSPENDED);

         AssertUtil.assertSucceeded(prism.getFeedHelper().resume(feed));

         AssertUtil.checkStatus(clusterOC, EntityType.FEED, feed, Job.Status.RUNNING);
         AssertUtil.checkStatus(cluster2OC, EntityType.FEED, feed, Job.Status.RUNNING);
     }

     /**
      * Submit Hcat Replication feed. Delete the feed, and check that feed was deleted on
      * both clusters. The test however does not ensure that replication goes through.
      *
      * @throws Exception
      */
     @Test(groups = {"multiCluster"})
     public void deleteReplicationFeed() throws Exception {
         submitAndScheduleReplicationFeedWhenTableExistsOnSourceAndTarget();

         AssertUtil.assertSucceeded(prism.getFeedHelper().delete(feed));
         AssertUtil.checkStatus(clusterOC, EntityType.FEED, feed, Job.Status.KILLED);
         AssertUtil.checkStatus(cluster2OC, EntityType.FEED, feed, Job.Status.KILLED);
     }


     private static void createEmptyTable(HCatClient cli, String dbName, String tabName,
                                         List<HCatFieldSchema> partitionCols) throws HCatException{

         ArrayList<HCatFieldSchema> cols = new ArrayList<>();
         cols.add(HCatUtil.getStringSchema("id", "id comment"));
         HCatCreateTableDesc tableDesc = HCatCreateTableDesc
                 .create(dbName, tabName, cols)
                 .partCols(partitionCols)
                 .fileFormat("textfile")
                 .ifNotExists(true)
                 .isTableExternal(true)
                 .build();
         cli.createTable(tableDesc);
     }
 }
	/**
	* 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.falcon.regression.hcat;

	import org.apache.falcon.entity.v0.EntityType;
	import org.apache.falcon.entity.v0.Frequency;
	import org.apache.falcon.entity.v0.cluster.Interfacetype;
	import org.apache.falcon.entity.v0.feed.ActionType;
	import org.apache.falcon.entity.v0.feed.ClusterType;
	import org.apache.falcon.regression.Entities.FeedMerlin;
	import org.apache.falcon.regression.core.bundle.Bundle;
	import org.apache.falcon.regression.core.enumsAndConstants.FreqType;
	import org.apache.falcon.regression.core.helpers.ColoHelper;
	import org.apache.falcon.regression.core.response.ServiceResponse;
	import org.apache.falcon.regression.core.util.AssertUtil;
	import org.apache.falcon.regression.core.util.BundleUtil;
	import org.apache.falcon.regression.core.util.HCatUtil;
	import org.apache.falcon.regression.core.util.InstanceUtil;
	import org.apache.falcon.regression.core.util.OSUtil;
	import org.apache.falcon.regression.core.util.OozieUtil;
	import org.apache.falcon.regression.core.util.Util;
	import org.apache.falcon.regression.testHelper.BaseTestClass;
	import org.apache.hive.hcatalog.api.HCatClient;
	import org.apache.hive.hcatalog.api.HCatCreateTableDesc;
	import org.apache.hive.hcatalog.common.HCatException;
	import org.apache.hive.hcatalog.data.schema.HCatFieldSchema;
	import org.apache.oozie.client.Job;
	import org.apache.oozie.client.OozieClient;
	import org.testng.Assert;
	import org.testng.annotations.BeforeClass;
	import org.testng.annotations.BeforeMethod;
	import org.testng.annotations.AfterMethod;
	import org.testng.annotations.AfterClass;
	import org.testng.annotations.Test;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.List;

	/**
	* Tests with operations with hcat feed.
	*/
	@Test(groups = "embedded")
	public class HCatFeedOperationsTest extends BaseTestClass {

	private ColoHelper cluster = servers.get(0);
	private OozieClient clusterOC = serverOC.get(0);
	private HCatClient clusterHC;

	private ColoHelper cluster2 = servers.get(1);
	private OozieClient cluster2OC = serverOC.get(1);
	private HCatClient cluster2HC;

	private String dbName = "default";
	private String tableName = "hcatFeedOperationsTest";
	private String randomTblName = "randomTable_HcatFeedOperationsTest";
	private String feed;
	private String aggregateWorkflowDir = cleanAndGetTestDir() + "/aggregator";

	@BeforeClass(alwaysRun = true)
	public void createTestData() throws Exception {
	uploadDirToClusters(aggregateWorkflowDir, OSUtil.RESOURCES_OOZIE);
	clusterHC = cluster.getClusterHelper().getHCatClient();
	cluster2HC = cluster2.getClusterHelper().getHCatClient();
	//create an empty table for feed operations
	ArrayList<HCatFieldSchema> partitions = new ArrayList<>();
	partitions.add(HCatUtil.getStringSchema("year", "yearPartition"));
	createEmptyTable(clusterHC, dbName, tableName, partitions);

	//A random table to test submission of replication feed when table doesn't exist on target
	createEmptyTable(clusterHC, dbName, randomTblName, partitions);

	//create empty table on target cluster
	createEmptyTable(cluster2HC, dbName, tableName, new ArrayList<HCatFieldSchema>());
	}

	@BeforeMethod(alwaysRun = true)
	public void setUp() throws Exception {
	Bundle bundle = BundleUtil.readHCatBundle();
	bundles[0] = new Bundle(bundle, cluster.getPrefix());
	bundles[0].generateUniqueBundle(this);
	bundles[0].setClusterInterface(Interfacetype.REGISTRY, cluster.getClusterHelper().getHCatEndpoint());

	bundles[1] = new Bundle(bundle, cluster2.getPrefix());
	bundles[1].generateUniqueBundle(this);
	bundles[1].setClusterInterface(Interfacetype.REGISTRY, cluster2.getClusterHelper().getHCatEndpoint());
	}

	@AfterMethod(alwaysRun = true)
	public void tearDown() throws HCatException {
	removeTestClassEntities();
	}

	@AfterClass(alwaysRun = true)
	public void tearDownClass() throws IOException {
	clusterHC.dropTable(dbName, tableName, true);
	clusterHC.dropTable(dbName, randomTblName, true);
	cluster2HC.dropTable(dbName, tableName, true);
	}

	/**
	* Submit Hcat feed when Hcat table mentioned in table uri does not exist. Response should reflect failure.
	*
	* @throws Exception
	*/
	@Test(groups = {"multiCluster"})
	public void submitFeedWhenTableDoesNotExist() throws Exception {
	Bundle.submitCluster(bundles[1]);
	feed = bundles[1].getInputFeedFromBundle();
	FeedMerlin feedObj = new FeedMerlin(feed);
	feedObj.setTableValue(dbName, randomTblName, FreqType.YEARLY.getHcatPathValue());
	ServiceResponse response = prism.getFeedHelper().submitEntity(feedObj.toString());
	AssertUtil.assertFailed(response);
	}

	/**
	* Submit Hcat feed when Hcat table mentioned in table uri exists. Delete that feed, and re-submit.
	* All responses should reflect success.
	*
	* @throws Exception
	*/
	@Test(groups = {"singleCluster"})
	public void submitFeedPostDeletionWhenTableExists() throws Exception {
	Bundle.submitCluster(bundles[0]);
	feed = bundles[0].getInputFeedFromBundle();
	FeedMerlin feedObj = new FeedMerlin(feed);
	feedObj.setTableValue(dbName, tableName, FreqType.YEARLY.getHcatPathValue());
	ServiceResponse response = prism.getFeedHelper().submitEntity(feedObj.toString());
	AssertUtil.assertSucceeded(response);

	response = prism.getFeedHelper().delete(feedObj.toString());
	AssertUtil.assertSucceeded(response);

	response = prism.getFeedHelper().submitEntity(feedObj.toString());
	AssertUtil.assertSucceeded(response);
	}

	/**
	* Submit Hcat Replication feed when Hcat table mentioned in table uri exists on both source and target.
	* The response is Psucceeded, and a replication co-rdinator should apear on target oozie.
	* The test however does not ensure that
	* replication goes through.
	*
	* @throws Exception
	*/
	@Test(groups = {"multiCluster"})
	public void submitAndScheduleReplicationFeedWhenTableExistsOnSourceAndTarget() throws Exception {
	Bundle.submitCluster(bundles[0], bundles[1]);
	final String startDate = "2010-01-01T20:00Z";
	final String endDate = "2099-01-01T00:00Z";
	String tableUri = "catalog:" + dbName + ":" + tableName + "#year=${YEAR}";
	bundles[0].setInputFeedPeriodicity(1, Frequency.TimeUnit.hours);
	bundles[0].setInputFeedValidity(startDate, endDate);
	bundles[0].setInputFeedTableUri(tableUri);

	feed = bundles[0].getDataSets().get(0);
	// set cluster 2 as the target.
	feed = FeedMerlin.fromString(feed).addFeedCluster(
	new FeedMerlin.FeedClusterBuilder(Util.readEntityName(bundles[1].getClusters().get(0)))
	.withRetention("months(9000)", ActionType.DELETE)
	.withValidity(startDate, endDate)
	.withClusterType(ClusterType.TARGET)
	.withTableUri(tableUri)
	.build()).toString();

	AssertUtil.assertSucceeded(prism.getFeedHelper().submitAndSchedule(feed));
	InstanceUtil.waitTillInstancesAreCreated(cluster2OC, feed, 0);
	Assert.assertEquals(OozieUtil.checkIfFeedCoordExist(cluster2OC, Util.readEntityName(feed), "REPLICATION"), 1);
	//This test doesn't wait for replication to succeed.
	}

	/**
	* Submit Hcat Replication feed. Suspend the feed, and check that feed was suspended on
	* both clusters. Now resume feed, and check that status is running on both clusters.
	* The test however does not ensure that replication goes through.
	*
	* @throws Exception
	*/
	@Test(groups = {"multiCluster"})
	public void suspendAndResumeReplicationFeed() throws Exception {

	submitAndScheduleReplicationFeedWhenTableExistsOnSourceAndTarget();

	AssertUtil.assertSucceeded(prism.getFeedHelper().suspend(feed));

	//check that feed suspended on both clusters
	AssertUtil.checkStatus(clusterOC, EntityType.FEED, feed, Job.Status.SUSPENDED);
	AssertUtil.checkStatus(cluster2OC, EntityType.FEED, feed, Job.Status.SUSPENDED);

	AssertUtil.assertSucceeded(prism.getFeedHelper().resume(feed));

	AssertUtil.checkStatus(clusterOC, EntityType.FEED, feed, Job.Status.RUNNING);
	AssertUtil.checkStatus(cluster2OC, EntityType.FEED, feed, Job.Status.RUNNING);
	}

	/**
	* Submit Hcat Replication feed. Delete the feed, and check that feed was deleted on
	* both clusters. The test however does not ensure that replication goes through.
	*
	* @throws Exception
	*/
	@Test(groups = {"multiCluster"})
	public void deleteReplicationFeed() throws Exception {
	submitAndScheduleReplicationFeedWhenTableExistsOnSourceAndTarget();

	AssertUtil.assertSucceeded(prism.getFeedHelper().delete(feed));
	AssertUtil.checkStatus(clusterOC, EntityType.FEED, feed, Job.Status.KILLED);
	AssertUtil.checkStatus(cluster2OC, EntityType.FEED, feed, Job.Status.KILLED);
	}


	private static void createEmptyTable(HCatClient cli, String dbName, String tabName,
	List<HCatFieldSchema> partitionCols) throws HCatException{

	ArrayList<HCatFieldSchema> cols = new ArrayList<>();
	cols.add(HCatUtil.getStringSchema("id", "id comment"));
	HCatCreateTableDesc tableDesc = HCatCreateTableDesc
	.create(dbName, tabName, cols)
	.partCols(partitionCols)
	.fileFormat("textfile")
	.ifNotExists(true)
	.isTableExternal(true)
	.build();
	cli.createTable(tableDesc);
	}
	}