| /** |
| * 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.storm.hive.common; |
| |
| import org.apache.storm.hive.common.HiveWriter; |
| import org.apache.storm.hive.bolt.mapper.HiveMapper; |
| import org.apache.hive.hcatalog.streaming.*; |
| |
| import org.apache.hadoop.security.SecurityUtil; |
| import org.apache.hadoop.security.UserGroupInformation; |
| |
| import java.util.List; |
| import java.util.concurrent.ExecutorService; |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class HiveUtils { |
| |
| public static HiveEndPoint makeEndPoint(List<String> partitionVals, HiveOptions options) throws ConnectionError { |
| if(partitionVals==null) { |
| return new HiveEndPoint(options.getMetaStoreURI(), options.getDatabaseName(), options.getTableName(), null); |
| } |
| return new HiveEndPoint(options.getMetaStoreURI(), options.getDatabaseName(), options.getTableName(), partitionVals); |
| } |
| |
| public static HiveWriter makeHiveWriter(HiveEndPoint endPoint, ExecutorService callTimeoutPool, UserGroupInformation ugi, HiveOptions options) |
| throws HiveWriter.ConnectFailure, InterruptedException { |
| return new HiveWriter(endPoint, options.getTxnsPerBatch(), options.getAutoCreatePartitions(), |
| options.getCallTimeOut(), callTimeoutPool, options.getMapper(), ugi); |
| } |
| |
| public static synchronized UserGroupInformation authenticate(String keytab, String principal) |
| throws AuthenticationFailed { |
| File kfile = new File(keytab); |
| if (!(kfile.isFile() && kfile.canRead())) { |
| throw new IllegalArgumentException("The keyTab file: " |
| + keytab + " is nonexistent or can't read. " |
| + "Please specify a readable keytab file for Kerberos auth."); |
| } |
| try { |
| principal = SecurityUtil.getServerPrincipal(principal, ""); |
| } catch (Exception e) { |
| throw new AuthenticationFailed("Host lookup error when resolving principal " + principal, e); |
| } |
| try { |
| UserGroupInformation.loginUserFromKeytab(principal, keytab); |
| return UserGroupInformation.getLoginUser(); |
| } catch (IOException e) { |
| throw new AuthenticationFailed("Login failed for principal " + principal, e); |
| } |
| } |
| |
| public static class AuthenticationFailed extends Exception { |
| public AuthenticationFailed(String reason, Exception cause) { |
| super("Kerberos Authentication Failed. " + reason, cause); |
| } |
| } |
| |
| |
| } |