115 lines
4.3 KiB
Java
115 lines
4.3 KiB
Java
// Copyright (C) 2017 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package com.google.gerrit.server.index.project;
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import static com.google.gerrit.server.git.QueueProvider.QueueType.BATCH;
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import com.google.common.base.Stopwatch;
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import com.google.common.flogger.FluentLogger;
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import com.google.common.util.concurrent.Futures;
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import com.google.common.util.concurrent.ListenableFuture;
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import com.google.common.util.concurrent.ListeningExecutorService;
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import com.google.gerrit.entities.Project;
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import com.google.gerrit.index.SiteIndexer;
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import com.google.gerrit.index.project.ProjectData;
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import com.google.gerrit.index.project.ProjectIndex;
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import com.google.gerrit.server.index.IndexExecutor;
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import com.google.gerrit.server.project.ProjectCache;
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import com.google.inject.Inject;
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import com.google.inject.Singleton;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.concurrent.ExecutionException;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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import org.eclipse.jgit.lib.ProgressMonitor;
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import org.eclipse.jgit.lib.TextProgressMonitor;
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/**
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* Implementation that can index all projects on a host. Used by Gerrit's initialization and upgrade
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* programs as well as by REST API endpoints that offer this functionality.
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*/
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@Singleton
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public class AllProjectsIndexer extends SiteIndexer<Project.NameKey, ProjectData, ProjectIndex> {
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private static final FluentLogger logger = FluentLogger.forEnclosingClass();
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private final ListeningExecutorService executor;
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private final ProjectCache projectCache;
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@Inject
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AllProjectsIndexer(
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@IndexExecutor(BATCH) ListeningExecutorService executor, ProjectCache projectCache) {
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this.executor = executor;
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this.projectCache = projectCache;
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}
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@Override
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public SiteIndexer.Result indexAll(final ProjectIndex index) {
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ProgressMonitor progress = new TextProgressMonitor(newPrintWriter(progressOut));
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progress.start(2);
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List<Project.NameKey> names = collectProjects(progress);
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return reindexProjects(index, names, progress);
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}
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private SiteIndexer.Result reindexProjects(
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ProjectIndex index, List<Project.NameKey> names, ProgressMonitor progress) {
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progress.beginTask("Reindexing projects", names.size());
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List<ListenableFuture<?>> futures = new ArrayList<>(names.size());
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AtomicBoolean ok = new AtomicBoolean(true);
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AtomicInteger done = new AtomicInteger();
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AtomicInteger failed = new AtomicInteger();
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Stopwatch sw = Stopwatch.createStarted();
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for (Project.NameKey name : names) {
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String desc = "project " + name;
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ListenableFuture<?> future =
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executor.submit(
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() -> {
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try {
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projectCache.evict(name);
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index.replace(projectCache.get(name).toProjectData());
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verboseWriter.println("Reindexed " + desc);
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done.incrementAndGet();
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} catch (Exception e) {
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failed.incrementAndGet();
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throw e;
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}
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return null;
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});
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addErrorListener(future, desc, progress, ok);
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futures.add(future);
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}
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try {
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Futures.successfulAsList(futures).get();
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} catch (ExecutionException | InterruptedException e) {
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logger.atSevere().withCause(e).log("Error waiting on project futures");
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return SiteIndexer.Result.create(sw, false, 0, 0);
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}
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progress.endTask();
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return SiteIndexer.Result.create(sw, ok.get(), done.get(), failed.get());
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}
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private List<Project.NameKey> collectProjects(ProgressMonitor progress) {
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progress.beginTask("Collecting projects", ProgressMonitor.UNKNOWN);
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List<Project.NameKey> names = new ArrayList<>();
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for (Project.NameKey nameKey : projectCache.all()) {
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names.add(nameKey);
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}
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progress.endTask();
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return names;
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}
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}
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