| /** |
| * 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.kerby.kerberos.tool.admin.local.cmd; |
| |
| import org.apache.kerby.has.common.HasException; |
| import org.apache.kerby.has.server.admin.LocalHadmin; |
| import org.codehaus.jettison.json.JSONArray; |
| import org.codehaus.jettison.json.JSONObject; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileReader; |
| |
| public class AddPrincipalsCommand extends HadminCommand { |
| |
| private static final String USAGE = "\nUsage: create_principals [hostRoles-file]\n" |
| + "\t'hostRoles-file' is a file with a hostRoles json string like:\n" |
| + "\t\t{HOSTS: [ {\"name\":\"host1\",\"hostRoles\":\"HDFS\"}, " |
| + "{\"name\":\"host2\",\"hostRoles\":\"HDFS,HBASE\"} ] }\n" |
| + "\tExample:\n" |
| + "\t\tcreate_principals hostroles.txt\n"; |
| |
| public AddPrincipalsCommand(LocalHadmin hadmin) { |
| super(hadmin); |
| } |
| |
| @Override |
| public void execute(String[] items) throws HasException { |
| if (items.length != 2) { |
| System.err.println(USAGE); |
| return; |
| } |
| |
| File hostRoles = new File(items[1]); |
| if (!hostRoles.exists()) { |
| throw new HasException("HostRoles file is not exists."); |
| } |
| try { |
| BufferedReader reader = new BufferedReader(new FileReader(hostRoles)); |
| StringBuilder sb = new StringBuilder(); |
| String tempString; |
| while ((tempString = reader.readLine()) != null) { |
| sb.append(tempString); |
| } |
| JSONArray hostArray = new JSONObject(sb.toString()).optJSONArray("HOSTS"); |
| for (int i = 0; i < hostArray.length(); i++) { |
| JSONObject host = (JSONObject) hostArray.get(i); |
| String[] roles = host.getString("hostRoles").split(","); |
| for (String role : roles) { |
| System.out.println(getHadmin().addPrincByRole(host.getString("name"), |
| role.toUpperCase())); |
| } |
| } |
| } catch (Exception e) { |
| throw new HasException("Failed to execute creating principals, because : " + e.getMessage()); |
| } |
| } |
| } |