| // Copyright (C) 2020 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.googlesource.gerrit.plugins.replication; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static java.util.stream.Collectors.toList; |
| |
| import com.google.common.flogger.FluentLogger; |
| import com.google.common.io.MoreFiles; |
| import com.google.common.io.RecursiveDeleteOption; |
| import com.google.gerrit.acceptance.LightweightPluginDaemonTest; |
| import com.google.gerrit.acceptance.PushOneCommit.Result; |
| import com.google.gerrit.acceptance.TestPlugin; |
| import com.google.gerrit.acceptance.UseLocalDisk; |
| import com.google.gerrit.acceptance.testsuite.project.ProjectOperations; |
| import com.google.gerrit.entities.Project; |
| import com.google.gerrit.extensions.annotations.PluginData; |
| import com.google.gerrit.extensions.api.projects.BranchInput; |
| import com.google.gerrit.server.config.SitePaths; |
| import com.google.inject.Inject; |
| import com.google.inject.Key; |
| import com.googlesource.gerrit.plugins.replication.ReplicationTasksStorage.ReplicateRefUpdate; |
| import java.io.IOException; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.time.Duration; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.function.Supplier; |
| import java.util.regex.Pattern; |
| import java.util.stream.Stream; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.storage.file.FileBasedConfig; |
| import org.eclipse.jgit.util.FS; |
| import org.junit.After; |
| import org.junit.Test; |
| |
| @UseLocalDisk |
| @TestPlugin( |
| name = "replication", |
| sysModule = "com.googlesource.gerrit.plugins.replication.ReplicationModule") |
| public class ReplicationFanoutIT extends LightweightPluginDaemonTest { |
| private static final Optional<String> ALL_PROJECTS = Optional.empty(); |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| private static final int TEST_REPLICATION_DELAY = 1; |
| private static final Duration TEST_TIMEOUT = Duration.ofSeconds(TEST_REPLICATION_DELAY * 2); |
| |
| @Inject private SitePaths sitePaths; |
| @Inject private ProjectOperations projectOperations; |
| private Path pluginDataDir; |
| private Path gitPath; |
| private Path storagePath; |
| private FileBasedConfig config; |
| private ReplicationTasksStorage tasksStorage; |
| |
| @Override |
| public void setUpTestPlugin() throws Exception { |
| gitPath = sitePaths.site_path.resolve("git"); |
| |
| config = |
| new FileBasedConfig(sitePaths.etc_dir.resolve("replication.config").toFile(), FS.DETECTED); |
| setAutoReload(); |
| config.save(); |
| |
| setReplicationDestination("remote1", "suffix1", Optional.of("not-used-project")); |
| |
| super.setUpTestPlugin(); |
| |
| pluginDataDir = plugin.getSysInjector().getInstance(Key.get(Path.class, PluginData.class)); |
| storagePath = pluginDataDir.resolve("ref-updates"); |
| tasksStorage = plugin.getSysInjector().getInstance(ReplicationTasksStorage.class); |
| cleanupReplicationTasks(); |
| } |
| |
| @After |
| public void cleanUp() throws IOException { |
| if (Files.exists(sitePaths.etc_dir.resolve("replication"))) { |
| MoreFiles.deleteRecursively( |
| sitePaths.etc_dir.resolve("replication"), RecursiveDeleteOption.ALLOW_INSECURE); |
| } |
| } |
| |
| @Test |
| public void shouldReplicateNewBranch() throws Exception { |
| setReplicationDestination("foo", "replica", ALL_PROJECTS); |
| reloadConfig(); |
| |
| Project.NameKey targetProject = createTestProject(project + "replica"); |
| String newBranch = "refs/heads/mybranch"; |
| String master = "refs/heads/master"; |
| BranchInput input = new BranchInput(); |
| input.revision = master; |
| gApi.projects().name(project.get()).branch(newBranch).create(input); |
| |
| assertThat(listIncompleteTasks("refs/heads/(mybranch|master)")).hasSize(2); |
| |
| try (Repository repo = repoManager.openRepository(targetProject); |
| Repository sourceRepo = repoManager.openRepository(project)) { |
| waitUntil(() -> checkedGetRef(repo, newBranch) != null); |
| |
| Ref masterRef = getRef(sourceRepo, master); |
| Ref targetBranchRef = getRef(repo, newBranch); |
| assertThat(targetBranchRef).isNotNull(); |
| assertThat(targetBranchRef.getObjectId()).isEqualTo(masterRef.getObjectId()); |
| } |
| } |
| |
| @Test |
| public void shouldReplicateNewBranchToTwoRemotes() throws Exception { |
| Project.NameKey targetProject1 = createTestProject(project + "replica1"); |
| Project.NameKey targetProject2 = createTestProject(project + "replica2"); |
| |
| setReplicationDestination("foo1", "replica1", ALL_PROJECTS); |
| setReplicationDestination("foo2", "replica2", ALL_PROJECTS); |
| reloadConfig(); |
| |
| Result pushResult = createChange(); |
| RevCommit sourceCommit = pushResult.getCommit(); |
| String sourceRef = pushResult.getPatchSet().refName(); |
| |
| assertThat(listIncompleteTasks("refs/changes/\\d*/\\d*/\\d*")).hasSize(2); |
| |
| try (Repository repo1 = repoManager.openRepository(targetProject1); |
| Repository repo2 = repoManager.openRepository(targetProject2)) { |
| waitUntil( |
| () -> |
| (checkedGetRef(repo1, sourceRef) != null && checkedGetRef(repo2, sourceRef) != null)); |
| |
| Ref targetBranchRef1 = getRef(repo1, sourceRef); |
| assertThat(targetBranchRef1).isNotNull(); |
| assertThat(targetBranchRef1.getObjectId()).isEqualTo(sourceCommit.getId()); |
| |
| Ref targetBranchRef2 = getRef(repo2, sourceRef); |
| assertThat(targetBranchRef2).isNotNull(); |
| assertThat(targetBranchRef2.getObjectId()).isEqualTo(sourceCommit.getId()); |
| } |
| } |
| |
| @Test |
| public void shouldCreateIndividualReplicationTasksForEveryRemoteUrlPair() throws Exception { |
| List<String> replicaSuffixes = Arrays.asList("replica1", "replica2"); |
| |
| FileBasedConfig dest1 = setReplicationDestination("foo1", replicaSuffixes, ALL_PROJECTS); |
| FileBasedConfig dest2 = setReplicationDestination("foo2", replicaSuffixes, ALL_PROJECTS); |
| dest1.setInt("remote", null, "replicationDelay", TEST_REPLICATION_DELAY * 100); |
| dest2.setInt("remote", null, "replicationDelay", TEST_REPLICATION_DELAY * 100); |
| dest1.save(); |
| dest2.save(); |
| reloadConfig(); |
| |
| createChange(); |
| |
| assertThat(listIncompleteTasks("refs/changes/\\d*/\\d*/\\d*")).hasSize(4); |
| |
| setReplicationDestination("foo1", replicaSuffixes, ALL_PROJECTS); |
| setReplicationDestination("foo2", replicaSuffixes, ALL_PROJECTS); |
| } |
| |
| private Ref getRef(Repository repo, String branchName) throws IOException { |
| return repo.getRefDatabase().exactRef(branchName); |
| } |
| |
| private Ref checkedGetRef(Repository repo, String branchName) { |
| try { |
| return repo.getRefDatabase().exactRef(branchName); |
| } catch (Exception e) { |
| logger.atSevere().withCause(e).log("failed to get ref %s in repo %s", branchName, repo); |
| return null; |
| } |
| } |
| |
| private void setReplicationDestination( |
| String remoteName, String replicaSuffix, Optional<String> project) throws IOException { |
| setReplicationDestination(remoteName, Arrays.asList(replicaSuffix), project); |
| } |
| |
| private FileBasedConfig setReplicationDestination( |
| String remoteName, List<String> replicaSuffixes, Optional<String> allProjects) |
| throws IOException { |
| FileBasedConfig remoteConfig = |
| new FileBasedConfig( |
| sitePaths.etc_dir.resolve("replication/" + remoteName + ".config").toFile(), |
| FS.DETECTED); |
| |
| setReplicationDestination(remoteConfig, replicaSuffixes, allProjects); |
| return remoteConfig; |
| } |
| |
| private void setAutoReload() throws IOException { |
| config.setBoolean("gerrit", null, "autoReload", true); |
| config.save(); |
| } |
| |
| private void setReplicationDestination( |
| FileBasedConfig config, List<String> replicaSuffixes, Optional<String> project) |
| throws IOException { |
| |
| List<String> replicaUrls = |
| replicaSuffixes.stream() |
| .map(suffix -> gitPath.resolve("${name}" + suffix + ".git").toString()) |
| .collect(toList()); |
| config.setStringList("remote", null, "url", replicaUrls); |
| config.setInt("remote", null, "replicationDelay", TEST_REPLICATION_DELAY); |
| project.ifPresent(prj -> config.setString("remote", null, "projects", prj)); |
| |
| config.save(); |
| } |
| |
| private void waitUntil(Supplier<Boolean> waitCondition) throws InterruptedException { |
| WaitUtil.waitUntil(waitCondition, TEST_TIMEOUT); |
| } |
| |
| private void reloadConfig() { |
| getAutoReloadConfigDecoratorInstance().reload(); |
| } |
| |
| private AutoReloadConfigDecorator getAutoReloadConfigDecoratorInstance() { |
| return getInstance(AutoReloadConfigDecorator.class); |
| } |
| |
| private <T> T getInstance(Class<T> classObj) { |
| return plugin.getSysInjector().getInstance(classObj); |
| } |
| |
| private Project.NameKey createTestProject(String name) throws Exception { |
| return projectOperations.newProject().name(name).create(); |
| } |
| |
| @SuppressWarnings( |
| "SynchronizeOnNonFinalField") // tasksStorage is non-final but only set in setUpTestPlugin() |
| private List<ReplicateRefUpdate> listIncompleteTasks(String refRegex) { |
| Pattern refmaskPattern = Pattern.compile(refRegex); |
| synchronized (tasksStorage) { |
| return Stream.concat(tasksStorage.listWaiting().stream(), tasksStorage.listRunning().stream()) |
| .filter(task -> refmaskPattern.matcher(task.ref).matches()) |
| .collect(toList()); |
| } |
| } |
| |
| public void cleanupReplicationTasks() throws IOException { |
| cleanupReplicationTasks(storagePath); |
| } |
| |
| private void cleanupReplicationTasks(Path basePath) throws IOException { |
| try (DirectoryStream<Path> files = Files.newDirectoryStream(basePath)) { |
| for (Path path : files) { |
| if (Files.isDirectory(path)) { |
| cleanupReplicationTasks(path); |
| } else { |
| path.toFile().delete(); |
| } |
| } |
| } |
| } |
| } |