| /** |
| * 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.sqoop.metastore.hsqldb; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| import java.util.Map; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| /** |
| * JobStorage implementation that auto-configures an HSQLDB |
| * local-file-based instance to hold jobs. |
| */ |
| public class AutoHsqldbStorage |
| extends com.cloudera.sqoop.metastore.hsqldb.HsqldbJobStorage { |
| |
| public static final Log LOG = LogFactory.getLog( |
| AutoHsqldbStorage.class.getName()); |
| |
| /** |
| * Configuration key specifying whether this storage agent is active. |
| * Defaults to "on" to allow zero-conf local users. |
| */ |
| public static final String AUTO_STORAGE_IS_ACTIVE_KEY = |
| "sqoop.metastore.client.enable.autoconnect"; |
| |
| /** |
| * Configuration key specifying the connect string used by this |
| * storage agent. |
| */ |
| public static final String AUTO_STORAGE_CONNECT_STRING_KEY = |
| "sqoop.metastore.client.autoconnect.url"; |
| |
| /** |
| * Configuration key specifying the username to bind with. |
| */ |
| public static final String AUTO_STORAGE_USER_KEY = |
| "sqoop.metastore.client.autoconnect.username"; |
| |
| |
| /** HSQLDB default user is named 'SA'. */ |
| private static final String DEFAULT_AUTO_USER = "SA"; |
| |
| /** |
| * Configuration key specifying the password to bind with. |
| */ |
| public static final String AUTO_STORAGE_PASS_KEY = |
| "sqoop.metastore.client.autoconnect.password"; |
| |
| /** HSQLDB default user has an empty password. */ |
| public static final String DEFAULT_AUTO_PASSWORD = ""; |
| |
| @Override |
| /** {@inheritDoc} */ |
| public boolean canAccept(Map<String, String> descriptor) { |
| Configuration conf = this.getConf(); |
| return conf.getBoolean(AUTO_STORAGE_IS_ACTIVE_KEY, true); |
| } |
| |
| /** |
| * Determine the user's home directory and return a connect |
| * string to HSQLDB that uses ~/.sqoop/ as the storage location |
| * for the metastore database. |
| */ |
| private String getHomeDirFileConnectStr() { |
| String homeDir = System.getProperty("user.home"); |
| |
| File homeDirObj = new File(homeDir); |
| File sqoopDataDirObj = new File(homeDirObj, ".sqoop"); |
| File databaseFileObj = new File(sqoopDataDirObj, "metastore.db"); |
| |
| String dbFileStr = databaseFileObj.toString(); |
| return "jdbc:hsqldb:file:" + dbFileStr |
| + ";hsqldb.write_delay=false;shutdown=true"; |
| } |
| |
| @Override |
| /** |
| * Set the connection information to use the auto-inferred connection |
| * string. |
| */ |
| public void open(Map<String, String> descriptor) throws IOException { |
| Configuration conf = getConf(); |
| setMetastoreConnectStr(conf.get(AUTO_STORAGE_CONNECT_STRING_KEY, |
| getHomeDirFileConnectStr())); |
| setMetastoreUser(conf.get(AUTO_STORAGE_USER_KEY, DEFAULT_AUTO_USER)); |
| setMetastorePassword(conf.get(AUTO_STORAGE_PASS_KEY, |
| DEFAULT_AUTO_PASSWORD)); |
| setConnectedDescriptor(descriptor); |
| |
| init(); |
| } |
| } |
| |