/**
* 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.hcatalog.security;
import static org.apache.hcatalog.HcatTestUtils.perm300;
import static org.apache.hcatalog.HcatTestUtils.perm500;
import static org.apache.hcatalog.HcatTestUtils.perm555;
import static org.apache.hcatalog.HcatTestUtils.perm700;
import static org.apache.hcatalog.HcatTestUtils.perm755;
import java.io.IOException;
import java.util.Random;
import junit.framework.Assert;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hive.cli.CliSessionState;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.conf.HiveConf.ConfVars;
import org.apache.hadoop.hive.metastore.HiveMetaStoreClient;
import org.apache.hadoop.hive.metastore.Warehouse;
import org.apache.hadoop.hive.metastore.api.MetaException;
import org.apache.hadoop.hive.ql.metadata.Hive;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.ql.metadata.Table;
import org.apache.hadoop.hive.ql.processors.CommandProcessorResponse;
import org.apache.hadoop.hive.ql.session.SessionState;
import org.apache.hadoop.hive.shims.ShimLoader;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hcatalog.HcatTestUtils;
import org.apache.hcatalog.cli.HCatDriver;
import org.apache.hcatalog.cli.SemanticAnalysis.HCatSemanticAnalyzer;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class TestHdfsAuthorizationProvider {
protected HCatDriver hcatDriver;
protected HiveMetaStoreClient msc;
protected HiveConf conf;
protected String whDir;
protected Path whPath;
protected FileSystem whFs;
protected Warehouse wh;
protected Hive hive;
@Before
public void setUp() throws Exception {
conf = new HiveConf(this.getClass());
conf.set(ConfVars.PREEXECHOOKS.varname, "");
conf.set(ConfVars.POSTEXECHOOKS.varname, "");
conf.set(ConfVars.HIVE_SUPPORT_CONCURRENCY.varname, "false");
conf.set("hive.metastore.local", "true");
conf.set(ConfVars.SEMANTIC_ANALYZER_HOOK.varname, HCatSemanticAnalyzer.class.getName());
conf.setBoolVar(HiveConf.ConfVars.HIVE_AUTHORIZATION_ENABLED, true);
conf.setVar(HiveConf.ConfVars.HIVE_AUTHORIZATION_MANAGER,
StorageDelegationAuthorizationProvider.class.getCanonicalName());
conf.set("fs.pfile.impl", "org.apache.hadoop.fs.ProxyLocalFileSystem");
whDir = System.getProperty("test.warehouse.dir", "/tmp/testhdfsauthorization_wh");
conf.setVar(HiveConf.ConfVars.METASTOREWAREHOUSE, whDir);
UserGroupInformation ugi = ShimLoader.getHadoopShims().getUGIForConf(conf);
String username = ShimLoader.getHadoopShims().getShortUserName(ugi);
whPath = new Path(whDir);
whFs = whPath.getFileSystem(conf);
wh = new Warehouse(conf);
hive = Hive.get(conf);
//clean up mess in HMS
HcatTestUtils.cleanupHMS(hive, wh, perm700);
whFs.delete(whPath, true);
whFs.mkdirs(whPath, perm755);
SessionState.start(new CliSessionState(conf));
hcatDriver = new HCatDriver();
}
@After
public void tearDown() throws IOException {
whFs.close();
hcatDriver.close();
Hive.closeCurrent();
}
public Path getDbPath(String dbName) throws MetaException, HiveException {
return HcatTestUtils.getDbPath(hive, wh, dbName);
}
public Path getTablePath(String dbName, String tableName) throws HiveException {
Table table = hive.getTable(dbName, tableName);
return table.getPath();
}
public Path getPartPath(String partName, String dbName, String tableName) throws HiveException {
return new Path(getTablePath(dbName, tableName), partName);
}
/** Execute the query expecting success*/
public void exec(String format, Object... args) throws Exception {
String command = String.format(format, args);
CommandProcessorResponse resp = hcatDriver.run(command);
Assert.assertEquals(resp.getErrorMessage(), 0, resp.getResponseCode());
Assert.assertEquals(resp.getErrorMessage(), null, resp.getErrorMessage());
}
/** Execute the query expecting it to fail with AuthorizationException */
public void execFail(String format, Object... args) throws Exception {
String command = String.format(format, args);
CommandProcessorResponse resp = hcatDriver.run(command);
Assert.assertNotSame(resp.getErrorMessage(), 0, resp.getResponseCode());
Assert.assertTrue((resp.getResponseCode() == 40000) || (resp.getResponseCode() == 403));
if (resp.getErrorMessage() != null) {
Assert.assertTrue(resp.getErrorMessage().contains("org.apache.hadoop.security.AccessControlException"));
}
}
/**
* Tests whether the warehouse directory is writable by the current user (as defined by Hadoop)
*/
@Test
public void testWarehouseIsWritable() throws Exception {
Path top = new Path(whPath, "_foobarbaz12_");
try {
whFs.mkdirs(top);
} finally {
whFs.delete(top, true);
}
}
@Test
public void testShowDatabases() throws Exception {
exec("CREATE DATABASE doo");
exec("SHOW DATABASES");
whFs.setPermission(whPath, perm300); //revoke r
execFail("SHOW DATABASES");
}
@Test
public void testDatabaseOps() throws Exception {
exec("SHOW TABLES");
exec("SHOW TABLE EXTENDED LIKE foo1");
whFs.setPermission(whPath, perm700);
exec("CREATE DATABASE doo");
exec("DESCRIBE DATABASE doo");
exec("USE doo");
exec("SHOW TABLES");
exec("SHOW TABLE EXTENDED LIKE foo1");
exec("DROP DATABASE doo");
//custom location
Path dbPath = new Path(whPath, new Random().nextInt() + "/mydb");
whFs.mkdirs(dbPath, perm700);
exec("CREATE DATABASE doo2 LOCATION '%s'", dbPath.toUri());
exec("DESCRIBE DATABASE doo2", dbPath.toUri());
exec("USE doo2");
exec("SHOW TABLES");
exec("SHOW TABLE EXTENDED LIKE foo1");
exec("DROP DATABASE doo2", dbPath.toUri());
//custom non-existing location
exec("CREATE DATABASE doo3 LOCATION '%s/subpath'", dbPath.toUri());
}
@Test
public void testCreateDatabaseFail1() throws Exception {
whFs.setPermission(whPath, perm500);
execFail("CREATE DATABASE doo"); //in the default location
whFs.setPermission(whPath, perm555);
execFail("CREATE DATABASE doo2");
}
@Test
public void testCreateDatabaseFail2() throws Exception {
//custom location
Path dbPath = new Path(whPath, new Random().nextInt() + "/mydb");
whFs.mkdirs(dbPath, perm700);
whFs.setPermission(dbPath, perm500);
execFail("CREATE DATABASE doo2 LOCATION '%s'", dbPath.toUri());
}
@Test
public void testDropDatabaseFail1() throws Exception {
whFs.setPermission(whPath, perm700);
exec("CREATE DATABASE doo"); //in the default location
whFs.setPermission(getDbPath("doo"), perm500); //revoke write
execFail("DROP DATABASE doo");
}
@Test
public void testDropDatabaseFail2() throws Exception {
//custom location
Path dbPath = new Path(whPath, new Random().nextInt() + "/mydb");
whFs.mkdirs(dbPath, perm700);
exec("CREATE DATABASE doo2 LOCATION '%s'", dbPath.toUri());
whFs.setPermission(dbPath, perm500);
execFail("DROP DATABASE doo2");
}
@Test
public void testDescSwitchDatabaseFail() throws Exception {
whFs.setPermission(whPath, perm700);
exec("CREATE DATABASE doo");
whFs.setPermission(getDbPath("doo"), perm300); //revoke read
execFail("DESCRIBE DATABASE doo");
execFail("USE doo");
//custom location
Path dbPath = new Path(whPath, new Random().nextInt() + "/mydb");
whFs.mkdirs(dbPath, perm700);
exec("CREATE DATABASE doo2 LOCATION '%s'", dbPath.toUri());
whFs.mkdirs(dbPath, perm300); //revoke read
execFail("DESCRIBE DATABASE doo2", dbPath.toUri());
execFail("USE doo2");
}
@Test
public void testShowTablesFail() throws Exception {
whFs.setPermission(whPath, perm700);
exec("CREATE DATABASE doo");
exec("USE doo");
whFs.setPermission(getDbPath("doo"), perm300); //revoke read
execFail("SHOW TABLES");
execFail("SHOW TABLE EXTENDED LIKE foo1");
}
@Test
public void testTableOps() throws Exception {
//default db
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
exec("DESCRIBE foo1");
exec("DROP TABLE foo1");
//default db custom location
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm700);
exec("CREATE EXTERNAL TABLE foo2 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
exec("DESCRIBE foo2");
exec("DROP TABLE foo2");
//default db custom non existing location
exec("CREATE EXTERNAL TABLE foo3 (foo INT) STORED AS RCFILE LOCATION '%s/subpath'", tablePath);
exec("DESCRIBE foo3");
exec("DROP TABLE foo3");
//non default db
exec("CREATE DATABASE doo");
exec("USE doo");
exec("CREATE TABLE foo4 (foo INT) STORED AS RCFILE");
exec("DESCRIBE foo4");
exec("DROP TABLE foo4");
//non-default db custom location
tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm700);
exec("CREATE EXTERNAL TABLE foo5 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
exec("DESCRIBE foo5");
exec("DROP TABLE foo5");
//non-default db custom non existing location
exec("CREATE EXTERNAL TABLE foo6 (foo INT) STORED AS RCFILE LOCATION '%s/subpath'", tablePath);
exec("DESCRIBE foo6");
exec("DROP TABLE foo6");
exec("DROP TABLE IF EXISTS foo_non_exists");
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
exec("DESCRIBE EXTENDED foo1");
exec("DESCRIBE FORMATTED foo1");
exec("DESCRIBE foo1.foo");
//deep non-existing path for the table
tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm700);
exec("CREATE EXTERNAL TABLE foo2 (foo INT) STORED AS RCFILE LOCATION '%s/a/a/a/'", tablePath);
}
@Test
public void testCreateTableFail1() throws Exception {
//default db
whFs.mkdirs(whPath, perm500); //revoke w
execFail("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
}
@Test
public void testCreateTableFail2() throws Exception {
//default db custom location
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm500);
execFail("CREATE EXTERNAL TABLE foo2 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
//default db custom non existing location
execFail("CREATE EXTERNAL TABLE foo3 (foo INT) STORED AS RCFILE LOCATION '%s/subpath'", tablePath);
}
@Test
public void testCreateTableFail3() throws Exception {
//non default db
exec("CREATE DATABASE doo");
whFs.setPermission(getDbPath("doo"), perm500);
execFail("CREATE TABLE doo.foo4 (foo INT) STORED AS RCFILE");
//non-default db custom location, permission to write to tablePath, but not on db path
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm700);
exec("USE doo");
execFail("CREATE EXTERNAL TABLE foo5 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
}
@Test
public void testCreateTableFail4() throws Exception {
//non default db
exec("CREATE DATABASE doo");
//non-default db custom location
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm500);
execFail("CREATE EXTERNAL TABLE doo.foo5 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
//non-default db custom non existing location
execFail("CREATE EXTERNAL TABLE doo.foo6 (foo INT) STORED AS RCFILE LOCATION '%s/a/a/a/'", tablePath);
}
@Test
public void testDropTableFail1() throws Exception {
//default db
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
whFs.mkdirs(getTablePath("default", "foo1"), perm500); //revoke w
execFail("DROP TABLE foo1");
}
@Test
public void testDropTableFail2() throws Exception {
//default db custom location
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
exec("CREATE EXTERNAL TABLE foo2 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
whFs.mkdirs(tablePath, perm500);
execFail("DROP TABLE foo2");
}
@Test
public void testDropTableFail4() throws Exception {
//non default db
exec("CREATE DATABASE doo");
//non-default db custom location
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
exec("CREATE EXTERNAL TABLE doo.foo5 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
whFs.mkdirs(tablePath, perm500);
exec("USE doo"); //There is no DROP TABLE doo.foo5 support in Hive
execFail("DROP TABLE foo5");
}
@Test
public void testDescTableFail() throws Exception {
//default db
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
whFs.mkdirs(getTablePath("default", "foo1"), perm300); //revoke read
execFail("DESCRIBE foo1");
//default db custom location
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm700);
exec("CREATE EXTERNAL TABLE foo2 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
whFs.mkdirs(tablePath, perm300); //revoke read
execFail("DESCRIBE foo2");
}
@Test
public void testAlterTableRename() throws Exception {
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
exec("ALTER TABLE foo1 RENAME TO foo2");
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
exec("CREATE EXTERNAL TABLE foo3 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
exec("ALTER TABLE foo3 RENAME TO foo4");
}
@Test
public void testAlterTableRenameFail() throws Exception {
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
whFs.mkdirs(getTablePath("default", "foo1"), perm500); //revoke write
execFail("ALTER TABLE foo1 RENAME TO foo2");
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
exec("CREATE EXTERNAL TABLE foo3 (foo INT) STORED AS RCFILE LOCATION '%s'", tablePath);
whFs.mkdirs(tablePath, perm500); //revoke write
execFail("ALTER TABLE foo3 RENAME TO foo4");
}
@Test
public void testAlterTableRelocate() throws Exception {
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
exec("ALTER TABLE foo1 SET LOCATION '%s'", tablePath.makeQualified(whFs));
tablePath = new Path(whPath, new Random().nextInt() + "/mytable2");
exec("CREATE EXTERNAL TABLE foo3 (foo INT) STORED AS RCFILE LOCATION '%s'",
tablePath.makeQualified(whFs));
tablePath = new Path(whPath, new Random().nextInt() + "/mytable2");
exec("ALTER TABLE foo3 SET LOCATION '%s'", tablePath.makeQualified(whFs));
}
@Test
public void testAlterTableRelocateFail() throws Exception {
exec("CREATE TABLE foo1 (foo INT) STORED AS RCFILE");
Path tablePath = new Path(whPath, new Random().nextInt() + "/mytable");
whFs.mkdirs(tablePath, perm500); //revoke write
execFail("ALTER TABLE foo1 SET LOCATION '%s'", tablePath.makeQualified(whFs));
//dont have access to new table loc
tablePath = new Path(whPath, new Random().nextInt() + "/mytable2");
exec("CREATE EXTERNAL TABLE foo3 (foo INT) STORED AS RCFILE LOCATION '%s'",
tablePath.makeQualified(whFs));
tablePath = new Path(whPath, new Random().nextInt() + "/mytable2");
whFs.mkdirs(tablePath, perm500); //revoke write
execFail("ALTER TABLE foo3 SET LOCATION '%s'", tablePath.makeQualified(whFs));
//have access to new table loc, but not old table loc
tablePath = new Path(whPath, new Random().nextInt() + "/mytable3");
exec("CREATE EXTERNAL TABLE foo4 (foo INT) STORED AS RCFILE LOCATION '%s'",
tablePath.makeQualified(whFs));
whFs.mkdirs(tablePath, perm500); //revoke write
tablePath = new Path(whPath, new Random().nextInt() + "/mytable3");
execFail("ALTER TABLE foo4 SET LOCATION '%s'", tablePath.makeQualified(whFs));
}
@Test
public void testAlterTable() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS TEXTFILE");
exec("ALTER TABLE foo1 SET TBLPROPERTIES ('foo'='bar')");
exec("ALTER TABLE foo1 SET SERDEPROPERTIES ('foo'='bar')");
exec("ALTER TABLE foo1 ADD COLUMNS (foo2 INT)");
}
@Test
public void testAddDropPartition() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS TEXTFILE");
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-10')");
exec("ALTER TABLE foo1 ADD IF NOT EXISTS PARTITION (b='2010-10-10')");
String relPath = new Random().nextInt() + "/mypart";
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-11') LOCATION '%s'", relPath);
exec("ALTER TABLE foo1 PARTITION (b='2010-10-10') SET FILEFORMAT RCFILE");
exec("ALTER TABLE foo1 PARTITION (b='2010-10-10') SET FILEFORMAT INPUTFORMAT "
+ "'org.apache.hadoop.hive.ql.io.RCFileInputFormat' OUTPUTFORMAT "
+ "'org.apache.hadoop.hive.ql.io.RCFileOutputFormat' inputdriver "
+ "'mydriver' outputdriver 'yourdriver'");
exec("ALTER TABLE foo1 DROP PARTITION (b='2010-10-10')");
exec("ALTER TABLE foo1 DROP PARTITION (b='2010-10-11')");
}
@Test
public void testAddPartitionFail1() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS TEXTFILE");
whFs.mkdirs(getTablePath("default", "foo1"), perm500);
execFail("ALTER TABLE foo1 ADD PARTITION (b='2010-10-10')");
}
@Test
public void testAddPartitionFail2() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS TEXTFILE");
String relPath = new Random().nextInt() + "/mypart";
Path partPath = new Path(getTablePath("default", "foo1"), relPath);
whFs.mkdirs(partPath, perm500);
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-10') LOCATION '%s'", partPath);
}
@Test
public void testDropPartitionFail1() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS TEXTFILE");
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-10')");
whFs.mkdirs(getPartPath("b=2010-10-10", "default", "foo1"), perm500);
execFail("ALTER TABLE foo1 DROP PARTITION (b='2010-10-10')");
}
@Test
public void testDropPartitionFail2() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS TEXTFILE");
String relPath = new Random().nextInt() + "/mypart";
Path partPath = new Path(getTablePath("default", "foo1"), relPath);
whFs.mkdirs(partPath, perm700);
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-10') LOCATION '%s'", partPath);
whFs.mkdirs(partPath, perm500); //revoke write
execFail("ALTER TABLE foo1 DROP PARTITION (b='2010-10-10')");
}
@Test
public void testAlterTableFail() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (boo STRING) STORED AS TEXTFILE");
whFs.mkdirs(getTablePath("default", "foo1"), perm500); //revoke write
execFail("ALTER TABLE foo1 SET TBLPROPERTIES ('foo'='bar')");
execFail("ALTER TABLE foo1 SET SERDEPROPERTIES ('foo'='bar')");
execFail("ALTER TABLE foo1 ADD COLUMNS (foo2 INT)");
}
@Test
public void testShowTables() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (boo STRING) STORED AS TEXTFILE");
exec("SHOW PARTITIONS foo1");
whFs.mkdirs(getTablePath("default", "foo1"), perm300); //revoke read
execFail("SHOW PARTITIONS foo1");
}
@Test
public void testAlterTablePartRename() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS RCFILE");
Path loc = new Path(whPath, new Random().nextInt() + "/mypart");
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-16') LOCATION '%s'", loc);
exec("ALTER TABLE foo1 PARTITION (b='2010-10-16') RENAME TO PARTITION (b='2010-10-17')");
}
@Test
public void testAlterTablePartRenameFail() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS RCFILE");
Path loc = new Path(whPath, new Random().nextInt() + "/mypart");
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-16') LOCATION '%s'", loc);
whFs.setPermission(loc, perm500); //revoke w
execFail("ALTER TABLE foo1 PARTITION (b='2010-10-16') RENAME TO PARTITION (b='2010-10-17')");
}
@Test
public void testAlterTablePartRelocate() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS RCFILE");
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-16')");
Path partPath = new Path(whPath, new Random().nextInt() + "/mypart");
exec("ALTER TABLE foo1 PARTITION (b='2010-10-16') SET LOCATION '%s'", partPath.makeQualified(whFs));
}
@Test
public void testAlterTablePartRelocateFail() throws Exception {
exec("CREATE TABLE foo1 (foo INT) PARTITIONED BY (b STRING) STORED AS RCFILE");
Path oldLoc = new Path(whPath, new Random().nextInt() + "/mypart");
Path newLoc = new Path(whPath, new Random().nextInt() + "/mypart2");
exec("ALTER TABLE foo1 ADD PARTITION (b='2010-10-16') LOCATION '%s'", oldLoc);
whFs.mkdirs(oldLoc, perm500);
execFail("ALTER TABLE foo1 PARTITION (b='2010-10-16') SET LOCATION '%s'", newLoc.makeQualified(whFs));
whFs.mkdirs(oldLoc, perm700);
whFs.mkdirs(newLoc, perm500);
execFail("ALTER TABLE foo1 PARTITION (b='2010-10-16') SET LOCATION '%s'", newLoc.makeQualified(whFs));
}
}