| /** |
| * 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; |
| |
| import java.io.File; |
| import java.io.FileWriter; |
| import java.io.IOException; |
| |
| import org.apache.hadoop.fs.FileSystem; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hive.metastore.Warehouse; |
| import org.apache.hadoop.hive.metastore.api.MetaException; |
| import org.apache.hadoop.hive.metastore.api.NoSuchObjectException; |
| import org.apache.hadoop.hive.ql.metadata.Hive; |
| import org.apache.hadoop.hive.ql.metadata.HiveException; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Utility methods for tests |
| */ |
| public class HcatTestUtils { |
| private static final Logger LOG = LoggerFactory.getLogger(HcatTestUtils.class); |
| |
| public static FsPermission perm007 = FsPermission.createImmutable((short) 0007); // -------rwx |
| public static FsPermission perm070 = FsPermission.createImmutable((short) 0070); // ----rwx--- |
| public static FsPermission perm700 = FsPermission.createImmutable((short) 0700); // -rwx------ |
| public static FsPermission perm755 = FsPermission.createImmutable((short) 0755); // -rwxr-xr-x |
| public static FsPermission perm777 = FsPermission.createImmutable((short) 0777); // -rwxrwxrwx |
| public static FsPermission perm300 = FsPermission.createImmutable((short) 0300); // --wx------ |
| public static FsPermission perm500 = FsPermission.createImmutable((short) 0500); // -r-x------ |
| public static FsPermission perm555 = FsPermission.createImmutable((short) 0555); // -r-xr-xr-x |
| |
| /** |
| * Returns the database path. |
| */ |
| public static Path getDbPath(Hive hive, Warehouse wh, String dbName) throws MetaException, HiveException { |
| return wh.getDatabasePath(hive.getDatabase(dbName)); |
| } |
| |
| /** |
| * Removes all databases and tables from the metastore |
| */ |
| public static void cleanupHMS(Hive hive, Warehouse wh, FsPermission defaultPerm) |
| throws HiveException, MetaException, NoSuchObjectException { |
| for (String dbName : hive.getAllDatabases()) { |
| if (dbName.equals("default")) { |
| continue; |
| } |
| try { |
| Path path = getDbPath(hive, wh, dbName); |
| FileSystem whFs = path.getFileSystem(hive.getConf()); |
| whFs.setPermission(path, defaultPerm); |
| } catch (IOException ex) { |
| //ignore |
| } |
| hive.dropDatabase(dbName, true, true, true); |
| } |
| |
| //clean tables in default db |
| for (String tablename : hive.getAllTables("default")) { |
| hive.dropTable("default", tablename, true, true); |
| } |
| } |
| |
| public static void createTestDataFile(String filename, String[] lines) throws IOException { |
| FileWriter writer = null; |
| try { |
| File file = new File(filename); |
| file.deleteOnExit(); |
| writer = new FileWriter(file); |
| for (String line : lines) { |
| writer.write(line + "\n"); |
| } |
| } finally { |
| if (writer != null) { |
| writer.close(); |
| } |
| } |
| |
| } |
| |
| public static boolean isHadoop23() { |
| String version = org.apache.hadoop.util.VersionInfo.getVersion(); |
| if (version.matches("\\b0\\.23\\..+\\b")) |
| return true; |
| return false; |
| } |
| } |