| /* |
| * 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.fluo.cluster.runner; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| |
| import com.beust.jcommander.JCommander; |
| import com.beust.jcommander.Parameter; |
| import com.beust.jcommander.ParameterException; |
| import org.apache.fluo.api.client.FluoAdmin; |
| import org.apache.fluo.api.config.FluoConfiguration; |
| import org.apache.fluo.core.client.FluoAdminImpl; |
| |
| /** |
| * For running Fluo app on cluster |
| */ |
| @Deprecated |
| public abstract class ClusterAppRunner extends AppRunner { |
| |
| public ClusterAppRunner(String scriptName) { |
| super(scriptName); |
| } |
| |
| public class InitOptions { |
| |
| @Parameter(names = {"-f", "--force"}, |
| description = "Skip all prompts and clears Zookeeper and Accumulo table. Equivalent to " |
| + "setting both --clearTable --clearZookeeper") |
| private boolean force; |
| |
| @Parameter(names = {"--clearTable"}, description = "Skips prompt and clears Accumulo table") |
| private boolean clearTable; |
| |
| @Parameter(names = {"--clearZookeeper"}, description = "Skips prompt and clears Zookeeper") |
| private boolean clearZookeeper; |
| |
| @Parameter(names = {"-u", "--update"}, description = "Update Fluo configuration in Zookeeper") |
| private boolean update; |
| |
| @Parameter(names = {"-h", "-help", "--help"}, help = true, description = "Prints help") |
| public boolean help; |
| |
| public boolean getForce() { |
| return force; |
| } |
| |
| public boolean getClearTable() { |
| return clearTable; |
| } |
| |
| public boolean getClearZookeeper() { |
| return clearZookeeper; |
| } |
| |
| public boolean getUpdate() { |
| return update; |
| } |
| } |
| |
| public static boolean readYes() { |
| String input = "unk"; |
| while (true) { |
| BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in)); |
| try { |
| input = bufferedReader.readLine().trim(); |
| } catch (IOException e) { |
| throw new IllegalStateException(e); |
| } |
| if (input.equalsIgnoreCase("y")) { |
| return true; |
| } else if (input.equalsIgnoreCase("n")) { |
| return false; |
| } else { |
| System.out.print("Unexpected input '" + input + "'. Enter y/n or ctrl-c to abort: "); |
| } |
| } |
| } |
| |
| public void init(FluoConfiguration config, String propsPath, String[] args) { |
| InitOptions commandOpts = new InitOptions(); |
| JCommander jcommand = new JCommander(commandOpts); |
| jcommand.setProgramName("fluo init"); |
| try { |
| jcommand.parse(args); |
| } catch (ParameterException e) { |
| System.err.println(e.getMessage()); |
| jcommand.usage(); |
| System.exit(-1); |
| } |
| |
| if (commandOpts.help) { |
| jcommand.usage(); |
| System.exit(0); |
| } |
| |
| if (!config.hasRequiredAdminProps()) { |
| System.err.println("Error - Required properties are not set in " + propsPath); |
| System.exit(-1); |
| } |
| try { |
| config.validate(); |
| } catch (IllegalArgumentException e) { |
| System.err |
| .println("Error - Invalid fluo.properties (" + propsPath + ") due to " + e.getMessage()); |
| System.exit(-1); |
| } catch (Exception e) { |
| System.err |
| .println("Error - Invalid fluo.properties (" + propsPath + ") due to " + e.getMessage()); |
| e.printStackTrace(); |
| System.exit(-1); |
| } |
| |
| try (FluoAdminImpl admin = new FluoAdminImpl(config)) { |
| |
| if (admin.applicationRunning()) { |
| System.err.println("Error - The Fluo '" + config.getApplicationName() + "' application" |
| + " is already running and must be stopped before running 'fluo init'. " |
| + " Aborted initialization."); |
| System.exit(-1); |
| } |
| |
| FluoAdmin.InitializationOptions initOpts = new FluoAdmin.InitializationOptions(); |
| |
| if (commandOpts.getUpdate()) { |
| System.out.println("Updating configuration for the Fluo '" + config.getApplicationName() |
| + "' application in Zookeeper using " + propsPath); |
| admin.updateSharedConfig(); |
| System.out.println("Update is complete."); |
| System.exit(0); |
| } |
| |
| if (commandOpts.getForce()) { |
| initOpts.setClearZookeeper(true).setClearTable(true); |
| } else { |
| if (commandOpts.getClearZookeeper()) { |
| initOpts.setClearZookeeper(true); |
| } else if (admin.zookeeperInitialized()) { |
| System.out.print("A Fluo '" + config.getApplicationName() |
| + "' application is already initialized in Zookeeper at " + config.getAppZookeepers() |
| + " - Would you like to clear and reinitialize Zookeeper" |
| + " for this application (y/n)? "); |
| if (readYes()) { |
| initOpts.setClearZookeeper(true); |
| } else { |
| System.out.println("Aborted initialization."); |
| System.exit(-1); |
| } |
| } |
| |
| if (commandOpts.getClearTable()) { |
| initOpts.setClearTable(true); |
| } else if (admin.accumuloTableExists()) { |
| System.out.print("The Accumulo table '" + config.getAccumuloTable() |
| + "' already exists - Would you like to drop and recreate this table (y/n)? "); |
| if (readYes()) { |
| initOpts.setClearTable(true); |
| } else { |
| System.out.println("Aborted initialization."); |
| System.exit(-1); |
| } |
| } |
| } |
| |
| System.out.println( |
| "Initializing Fluo '" + config.getApplicationName() + "' application using " + propsPath); |
| try { |
| admin.initialize(initOpts); |
| } catch (Exception e) { |
| System.out.println("Initialization failed due to the following exception:"); |
| e.printStackTrace(); |
| System.exit(-1); |
| } |
| System.out.println("Initialization is complete."); |
| } |
| } |
| } |