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Implementing pure WebDriver grid server (v.3)
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199
java/server/src/org/openqa/grid/selenium/GridLauncherV3.java
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| // Licensed to the Software Freedom Conservancy (SFC) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The SFC 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. | ||
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| package org.openqa.grid.selenium; | ||
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| import com.google.common.collect.ImmutableMap; | ||
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| import org.openqa.grid.common.CommandLineOptionHelper; | ||
| import org.openqa.grid.common.GridDocHelper; | ||
| import org.openqa.grid.common.GridRole; | ||
| import org.openqa.grid.common.RegistrationRequest; | ||
| import org.openqa.grid.common.exception.GridConfigurationException; | ||
| import org.openqa.grid.internal.utils.GridHubConfiguration; | ||
| import org.openqa.grid.internal.utils.SelfRegisteringRemote; | ||
| import org.openqa.grid.shared.CliUtils; | ||
| import org.openqa.grid.web.Hub; | ||
| import org.openqa.selenium.remote.server.SeleniumServer; | ||
| import org.openqa.selenium.remote.server.log.LoggingOptions; | ||
| import org.openqa.selenium.remote.server.log.TerseFormatter; | ||
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| import java.io.File; | ||
| import java.io.IOException; | ||
| import java.util.logging.ConsoleHandler; | ||
| import java.util.logging.FileHandler; | ||
| import java.util.logging.Handler; | ||
| import java.util.logging.Level; | ||
| import java.util.logging.Logger; | ||
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| public class GridLauncherV3 { | ||
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| private static final Logger log = Logger.getLogger(GridLauncherV3.class.getName()); | ||
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| public interface GridItemLauncher { | ||
| void launch(String[] args, Logger log) throws Exception; | ||
| void printUsage(); | ||
| } | ||
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| private static ImmutableMap<GridRole, GridItemLauncher> launchers | ||
| = new ImmutableMap.Builder<GridRole, GridItemLauncher>() | ||
| .put(GridRole.NOT_GRID, new GridItemLauncher() { | ||
| @Override | ||
| public void launch(String[] args, Logger log) throws Exception { | ||
| log.info("Launching a standalone Selenium Server"); | ||
| SeleniumServer.main(args); | ||
| log.info("Selenium Server is up and running"); | ||
| } | ||
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| @Override | ||
| public void printUsage() { | ||
| String separator = "\n-------------------------------\n"; | ||
| SeleniumServer.usage(separator + "Running as a standalone server:" + separator); | ||
| } | ||
| }) | ||
| .put(GridRole.HUB, new GridItemLauncher() { | ||
| @Override | ||
| public void launch(String[] args, Logger log) throws Exception { | ||
| log.info("Launching Selenium Grid hub"); | ||
| GridHubConfiguration c = GridHubConfiguration.build(args); | ||
| Hub h = new Hub(c); | ||
| h.start(); | ||
| log.info("Nodes should register to " + h.getRegistrationURL()); | ||
| log.info("Selenium Grid hub is up and running"); | ||
| } | ||
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| @Override | ||
| public void printUsage() { | ||
| String separator = "\n-------------------------------\n"; | ||
| GridDocHelper.printHubHelp(separator + "Running as a grid hub:" + separator, false); | ||
| } | ||
| }) | ||
| .put(GridRole.NODE, new GridItemLauncher() { | ||
| @Override | ||
| public void launch(String[] args, Logger log) throws Exception { | ||
| log.info("Launching a Selenium Grid node"); | ||
| RegistrationRequest c = RegistrationRequest.build(args); | ||
| SelfRegisteringRemote remote = new SelfRegisteringRemote(c); | ||
| remote.setRemoteServer(new SeleniumServer(c.getConfigAsInt("port", 4444))); | ||
| remote.startRemoteServer(); | ||
| log.info("Selenium Grid node is up and ready to register to the hub"); | ||
| remote.startRegistrationProcess(); | ||
| } | ||
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| @Override | ||
| public void printUsage() { | ||
| String separator = "\n-------------------------------\n"; | ||
| GridDocHelper.printNodeHelp(separator + "Running as a grid node:" + separator, false); | ||
| } | ||
| }) | ||
| .build(); | ||
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| public static void main(String[] args) throws Exception { | ||
| CommandLineOptionHelper helper = new CommandLineOptionHelper(args); | ||
| GridRole role = GridRole.find(args); | ||
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| if (role == null) { | ||
| printInfoAboutRoles(helper); | ||
| return; | ||
| } | ||
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| if (helper.isParamPresent("-help") || helper.isParamPresent("-h")) { | ||
| if (launchers.containsKey(role)) { | ||
| launchers.get(role).printUsage(); | ||
| } else { | ||
| printInfoAboutRoles(helper); | ||
| } | ||
| return; | ||
| } | ||
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| configureLogging(helper); | ||
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| if (launchers.containsKey(role)) { | ||
| try { | ||
| launchers.get(role).launch(args, log); | ||
| } catch (Exception e) { | ||
| launchers.get(role).printUsage(); | ||
| e.printStackTrace(); | ||
| } | ||
| } else { | ||
| throw new GridConfigurationException("Unknown role: " + role); | ||
| } | ||
| } | ||
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| private static void printInfoAboutRoles(CommandLineOptionHelper helper) { | ||
| if (helper.hasParamValue("-role")) { | ||
| CliUtils.printWrappedLine( | ||
| "", | ||
| "Error: the role '" + helper.getParamValue("-role") + "' does not match a recognized server role\n"); | ||
| } else { | ||
| CliUtils.printWrappedLine( | ||
| "", | ||
| "Error: -role option needs to be followed by the value that defines role of this component in the grid\n"); | ||
| } | ||
| System.out.println( | ||
| "Selenium server can run in one of the following roles:\n" + | ||
| " hub as a hub of a Selenium grid\n" + | ||
| " node as a node of a Selenium grid\n" + | ||
| " standalone as a standalone server not being a part of a grid\n" + | ||
| "\n" + | ||
| "If -role option is omitted the server runs standalone\n"); | ||
| CliUtils.printWrappedLine( | ||
| "", | ||
| "To get help on the options available for a specific role run the server" | ||
| + " with -help option and the corresponding -role option value"); | ||
| } | ||
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| private static void configureLogging(CommandLineOptionHelper helper) { | ||
| Level logLevel = | ||
| helper.isParamPresent("-debug") | ||
| ? Level.FINE | ||
| : LoggingOptions.getDefaultLogLevel(); | ||
| if (logLevel == null) { | ||
| logLevel = Level.INFO; | ||
| } | ||
| Logger.getLogger("").setLevel(logLevel); | ||
| Logger.getLogger("org.openqa.jetty").setLevel(Level.WARNING); | ||
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| String logFilename = | ||
| helper.isParamPresent("-log") | ||
| ? helper.getParamValue("-log") | ||
| : LoggingOptions.getDefaultLogOutFile(); | ||
| if (logFilename != null) { | ||
| for (Handler handler : Logger.getLogger("").getHandlers()) { | ||
| if (handler instanceof ConsoleHandler) { | ||
| Logger.getLogger("").removeHandler(handler); | ||
| } | ||
| } | ||
| try { | ||
| Handler logFile = new FileHandler(new File(logFilename).getAbsolutePath(), true); | ||
| logFile.setFormatter(new TerseFormatter(true)); | ||
| logFile.setLevel(logLevel); | ||
| Logger.getLogger("").addHandler(logFile); | ||
| } catch (IOException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| } else { | ||
| boolean logLongForm = helper.isParamPresent("-logLongForm"); | ||
| for (Handler handler : Logger.getLogger("").getHandlers()) { | ||
| if (handler instanceof ConsoleHandler) { | ||
| handler.setLevel(logLevel); | ||
| handler.setFormatter(new TerseFormatter(logLongForm)); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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