| // Copyright (C) 2012 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.sshd.commands; |
| |
| import static com.google.gerrit.sshd.CommandMetaData.Mode.MASTER_OR_SLAVE; |
| |
| import com.google.common.collect.Lists; |
| import com.google.gerrit.common.data.GarbageCollectionResult; |
| import com.google.gerrit.common.data.GlobalCapability; |
| import com.google.gerrit.extensions.annotations.RequiresCapability; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.server.git.GarbageCollection; |
| import com.google.gerrit.server.project.ProjectCache; |
| import com.google.gerrit.server.project.ProjectControl; |
| import com.google.gerrit.sshd.BaseCommand; |
| import com.google.gerrit.sshd.CommandMetaData; |
| import com.google.inject.Inject; |
| |
| import org.apache.sshd.server.Environment; |
| import org.kohsuke.args4j.Argument; |
| import org.kohsuke.args4j.Option; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** Runs the Git garbage collection. */ |
| @RequiresCapability(GlobalCapability.RUN_GC) |
| @CommandMetaData(name = "gc", description = "Run Git garbage collection", |
| runsAt = MASTER_OR_SLAVE) |
| public class GarbageCollectionCommand extends BaseCommand { |
| |
| @Option(name = "--all", usage = "runs the Git garbage collection for all projects") |
| private boolean all; |
| |
| @Option(name = "--show-progress", usage = "progress information is shown") |
| private boolean showProgress; |
| |
| @Argument(index = 0, required = false, multiValued = true, metaVar = "NAME", |
| usage = "projects for which the Git garbage collection should be run") |
| private List<ProjectControl> projects = new ArrayList<ProjectControl>(); |
| |
| @Inject |
| private ProjectCache projectCache; |
| |
| @Inject |
| private GarbageCollection.Factory garbageCollectionFactory; |
| |
| private PrintWriter stdout; |
| |
| @Override |
| public void start(Environment env) throws IOException { |
| startThread(new CommandRunnable() { |
| @Override |
| public void run() throws Exception { |
| stdout = toPrintWriter(out); |
| try { |
| parseCommandLine(); |
| verifyCommandLine(); |
| runGC(); |
| } finally { |
| stdout.flush(); |
| } |
| } |
| }); |
| } |
| |
| private void verifyCommandLine() throws UnloggedFailure { |
| if (!all && projects.isEmpty()) { |
| throw new UnloggedFailure(1, |
| "needs projects as command arguments or --all option"); |
| } |
| if (all && !projects.isEmpty()) { |
| throw new UnloggedFailure(1, |
| "either specify projects as command arguments or use --all option"); |
| } |
| } |
| |
| private void runGC() { |
| List<Project.NameKey> projectNames; |
| if (all) { |
| projectNames = Lists.newArrayList(projectCache.all()); |
| } else { |
| projectNames = Lists.newArrayListWithCapacity(projects.size()); |
| for (ProjectControl pc : projects) { |
| projectNames.add(pc.getProject().getNameKey()); |
| } |
| } |
| |
| GarbageCollectionResult result = |
| garbageCollectionFactory.create().run(projectNames, showProgress ? stdout : null); |
| if (result.hasErrors()) { |
| for (GarbageCollectionResult.Error e : result.getErrors()) { |
| String msg; |
| switch (e.getType()) { |
| case REPOSITORY_NOT_FOUND: |
| msg = "error: project \"" + e.getProjectName() + "\" not found"; |
| break; |
| case GC_ALREADY_SCHEDULED: |
| msg = "error: garbage collection for project \"" |
| + e.getProjectName() + "\" was already scheduled"; |
| break; |
| case GC_FAILED: |
| msg = "error: garbage collection for project \"" + e.getProjectName() |
| + "\" failed"; |
| break; |
| default: |
| msg = "error: garbage collection for project \"" + e.getProjectName() |
| + "\" failed: " + e.getType(); |
| } |
| stdout.print(msg + "\n"); |
| } |
| } |
| } |
| } |