| // Copyright (C) 2009 The Android Open Source Project |
| // |
| // Licensed 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 com.google.gerrit.pgm.init; |
| |
| import static com.google.gerrit.pgm.init.api.InitUtil.die; |
| import static com.google.gerrit.pgm.init.api.InitUtil.username; |
| |
| import com.google.common.io.ByteStreams; |
| import com.google.gerrit.launcher.GerritLauncher; |
| import com.google.gerrit.pgm.init.api.ConsoleUI; |
| import com.google.gerrit.pgm.init.api.InitStep; |
| import com.google.gerrit.pgm.init.api.Section; |
| import com.google.gerrit.server.config.SitePaths; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import org.eclipse.jgit.internal.storage.file.LockFile; |
| |
| /** Initialize the {@code container} configuration section. */ |
| @Singleton |
| class InitContainer implements InitStep { |
| private final ConsoleUI ui; |
| private final SitePaths site; |
| private final Section container; |
| |
| @Inject |
| InitContainer(ConsoleUI ui, SitePaths site, Section.Factory sections) { |
| this.ui = ui; |
| this.site = site; |
| this.container = sections.get("container", null); |
| } |
| |
| @Override |
| public void run() throws FileNotFoundException, IOException { |
| ui.header("Container Process"); |
| |
| container.string("Run as", "user", username()); |
| container.string("Java runtime", "javaHome", javaHome()); |
| |
| Path myWar; |
| try { |
| myWar = GerritLauncher.getDistributionArchive().toPath(); |
| } catch (FileNotFoundException e) { |
| System.err.println("warn: Cannot find distribution archive (e.g. gerrit.war)"); |
| myWar = null; |
| } |
| |
| String path = container.get("war"); |
| if (path != null) { |
| path = |
| container.string( |
| "Gerrit runtime", "war", myWar != null ? myWar.toAbsolutePath().toString() : null); |
| if (path == null || path.isEmpty()) { |
| throw die("container.war is required"); |
| } |
| |
| } else if (myWar != null) { |
| final boolean copy; |
| final Path siteWar = site.gerrit_war; |
| if (Files.exists(siteWar)) { |
| if (Files.isSameFile(siteWar, myWar)) { |
| copy = false; |
| } else { |
| copy = ui.yesno(true, "Upgrade %s", siteWar); |
| } |
| } else { |
| copy = ui.yesno(true, "Copy %s to %s", myWar.getFileName(), siteWar); |
| if (copy) { |
| container.unset("war"); |
| } else { |
| container.set("war", myWar.toAbsolutePath().toString()); |
| } |
| } |
| if (copy) { |
| if (!ui.isBatch()) { |
| System.err.format("Copying %s to %s", myWar.getFileName(), siteWar); |
| System.err.println(); |
| } |
| |
| try (InputStream in = Files.newInputStream(myWar)) { |
| Files.createDirectories(siteWar.getParent()); |
| |
| LockFile lf = new LockFile(siteWar.toFile()); |
| if (!lf.lock()) { |
| throw new IOException("Cannot lock " + siteWar); |
| } |
| try { |
| try (OutputStream out = lf.getOutputStream()) { |
| ByteStreams.copy(in, out); |
| } |
| if (!lf.commit()) { |
| throw new IOException("Cannot commit " + siteWar); |
| } |
| } finally { |
| lf.unlock(); |
| } |
| } |
| } |
| } |
| } |
| |
| private static String javaHome() { |
| return System.getProperty("java.home"); |
| } |
| } |