LCOV - code coverage report
Current view: top level - pgm/init - InitContainer.java (source / functions) Hit Total Coverage
Test: _coverage_report.dat Lines: 32 46 69.6 %
Date: 2022-11-19 15:00:39 Functions: 3 3 100.0 %

          Line data    Source code
       1             : // Copyright (C) 2009 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.pgm.init;
      16             : 
      17             : import static com.google.gerrit.pgm.init.api.InitUtil.die;
      18             : import static com.google.gerrit.pgm.init.api.InitUtil.username;
      19             : 
      20             : import com.google.common.io.ByteStreams;
      21             : import com.google.gerrit.launcher.GerritLauncher;
      22             : import com.google.gerrit.pgm.init.api.ConsoleUI;
      23             : import com.google.gerrit.pgm.init.api.InitStep;
      24             : import com.google.gerrit.pgm.init.api.Section;
      25             : import com.google.gerrit.server.config.SitePaths;
      26             : import com.google.inject.Inject;
      27             : import com.google.inject.Singleton;
      28             : import java.io.FileNotFoundException;
      29             : import java.io.IOException;
      30             : import java.io.InputStream;
      31             : import java.io.OutputStream;
      32             : import java.nio.file.Files;
      33             : import java.nio.file.Path;
      34             : import org.eclipse.jgit.internal.storage.file.LockFile;
      35             : 
      36             : /** Initialize the {@code container} configuration section. */
      37             : @Singleton
      38             : class InitContainer implements InitStep {
      39             :   private final ConsoleUI ui;
      40             :   private final SitePaths site;
      41             :   private final Section container;
      42             : 
      43             :   @Inject
      44          15 :   InitContainer(ConsoleUI ui, SitePaths site, Section.Factory sections) {
      45          15 :     this.ui = ui;
      46          15 :     this.site = site;
      47          15 :     this.container = sections.get("container", null);
      48          15 :   }
      49             : 
      50             :   @Override
      51             :   public void run() throws FileNotFoundException, IOException {
      52          15 :     ui.header("Container Process");
      53             : 
      54          15 :     container.string("Run as", "user", username());
      55          15 :     container.string("Java runtime", "javaHome", javaHome());
      56             : 
      57             :     Path myWar;
      58             :     try {
      59          15 :       myWar = GerritLauncher.getDistributionArchive().toPath();
      60           0 :     } catch (FileNotFoundException e) {
      61           0 :       System.err.println("warn: Cannot find distribution archive (e.g. gerrit.war)");
      62           0 :       myWar = null;
      63          15 :     }
      64             : 
      65          15 :     String path = container.get("war");
      66          15 :     if (path != null) {
      67           0 :       path =
      68           0 :           container.string(
      69           0 :               "Gerrit runtime", "war", myWar != null ? myWar.toAbsolutePath().toString() : null);
      70           0 :       if (path == null || path.isEmpty()) {
      71           0 :         throw die("container.war is required");
      72             :       }
      73             : 
      74          15 :     } else if (myWar != null) {
      75             :       final boolean copy;
      76          15 :       final Path siteWar = site.gerrit_war;
      77          15 :       if (Files.exists(siteWar)) {
      78           1 :         if (Files.isSameFile(siteWar, myWar)) {
      79           0 :           copy = false;
      80             :         } else {
      81           1 :           copy = ui.yesno(true, "Upgrade %s", siteWar);
      82             :         }
      83             :       } else {
      84          15 :         copy = ui.yesno(true, "Copy %s to %s", myWar.getFileName(), siteWar);
      85          15 :         if (copy) {
      86          15 :           container.unset("war");
      87             :         } else {
      88           0 :           container.set("war", myWar.toAbsolutePath().toString());
      89             :         }
      90             :       }
      91          15 :       if (copy) {
      92          15 :         if (!ui.isBatch()) {
      93           0 :           System.err.format("Copying %s to %s", myWar.getFileName(), siteWar);
      94           0 :           System.err.println();
      95             :         }
      96             : 
      97          15 :         try (InputStream in = Files.newInputStream(myWar)) {
      98          15 :           Files.createDirectories(siteWar.getParent());
      99             : 
     100          15 :           LockFile lf = new LockFile(siteWar.toFile());
     101          15 :           if (!lf.lock()) {
     102           0 :             throw new IOException("Cannot lock " + siteWar);
     103             :           }
     104             :           try {
     105          15 :             try (OutputStream out = lf.getOutputStream()) {
     106          15 :               ByteStreams.copy(in, out);
     107             :             }
     108          15 :             if (!lf.commit()) {
     109           0 :               throw new IOException("Cannot commit " + siteWar);
     110             :             }
     111             :           } finally {
     112          15 :             lf.unlock();
     113             :           }
     114             :         }
     115             :       }
     116             :     }
     117          15 :   }
     118             : 
     119             :   private static String javaHome() {
     120          15 :     return System.getProperty("java.home");
     121             :   }
     122             : }

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