| // Copyright (C) 2019 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.base.Stopwatch; |
| import com.google.common.flogger.FluentLogger; |
| 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.extensions.annotations.PluginData; |
| import com.google.gerrit.extensions.api.projects.BranchInput; |
| import com.google.gerrit.extensions.common.ProjectInfo; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.server.config.SitePaths; |
| import com.google.gson.Gson; |
| import com.google.inject.Inject; |
| import com.google.inject.Key; |
| import com.googlesource.gerrit.plugins.replication.ReplicationTasksStorage.ReplicateRefUpdate; |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.nio.file.DirectoryStream; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.time.Duration; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.concurrent.TimeUnit; |
| import java.util.function.Supplier; |
| import java.util.regex.Pattern; |
| import org.eclipse.jgit.lib.Constants; |
| 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.Test; |
| |
| @UseLocalDisk |
| @TestPlugin( |
| name = "replication", |
| sysModule = "com.googlesource.gerrit.plugins.replication.ReplicationModule") |
| public class ReplicationIT 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 = 5; |
| private static final Duration TEST_TIMEMOUT = Duration.ofSeconds(TEST_REPLICATION_DELAY * 10); |
| |
| @Inject private SitePaths sitePaths; |
| private Path pluginDataDir; |
| private Path gitPath; |
| private Path storagePath; |
| private FileBasedConfig config; |
| private Gson GSON = new Gson(); |
| |
| @Override |
| public void setUpTestPlugin() throws Exception { |
| gitPath = sitePaths.site_path.resolve("git"); |
| |
| config = |
| new FileBasedConfig(sitePaths.etc_dir.resolve("replication.config").toFile(), FS.DETECTED); |
| setReplicationDestination( |
| "remote1", |
| "suffix1", |
| Optional.of("not-used-project")); // Simulates a full replication.config initialization |
| config.save(); |
| |
| super.setUpTestPlugin(); |
| |
| pluginDataDir = plugin.getSysInjector().getInstance(Key.get(Path.class, PluginData.class)); |
| storagePath = pluginDataDir.resolve("ref-updates"); |
| } |
| |
| @Test |
| public void shouldReplicateNewProject() throws Exception { |
| setReplicationDestination("foo", "replica", ALL_PROJECTS); |
| reloadConfig(); |
| waitForEmptyTasks(); |
| |
| Project.NameKey sourceProject = createProject("foo"); |
| |
| assertThat(listReplicationTasks("refs/meta/config")).hasSize(1); |
| |
| waitUntil(() -> gitPath.resolve(sourceProject + "replica.git").toFile().isDirectory()); |
| |
| ProjectInfo replicaProject = gApi.projects().name(sourceProject + "replica").get(); |
| assertThat(replicaProject).isNotNull(); |
| } |
| |
| @Test |
| public void shouldReplicateNewChangeRef() throws Exception { |
| Project.NameKey targetProject = createProject("projectreplica"); |
| |
| setReplicationDestination("foo", "replica", ALL_PROJECTS); |
| reloadConfig(); |
| waitForEmptyTasks(); |
| |
| Result pushResult = createChange(); |
| RevCommit sourceCommit = pushResult.getCommit(); |
| String sourceRef = pushResult.getPatchSet().getRefName(); |
| |
| assertThat(listReplicationTasks("refs/changes/\\d*/\\d*/\\d*")).hasSize(1); |
| |
| try (Repository repo = repoManager.openRepository(targetProject)) { |
| waitUntil(() -> checkedGetRef(repo, sourceRef) != null); |
| |
| Ref targetBranchRef = getRef(repo, sourceRef); |
| assertThat(targetBranchRef).isNotNull(); |
| assertThat(targetBranchRef.getObjectId()).isEqualTo(sourceCommit.getId()); |
| } |
| } |
| |
| @Test |
| public void shouldReplicateNewBranch() throws Exception { |
| setReplicationDestination("foo", "replica", ALL_PROJECTS); |
| reloadConfig(); |
| waitForEmptyTasks(); |
| |
| Project.NameKey targetProject = createProject("projectreplica"); |
| 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(listReplicationTasks("refs/heads/(mybranch|master)")).hasSize(2); |
| |
| try (Repository repo = repoManager.openRepository(targetProject)) { |
| waitUntil(() -> checkedGetRef(repo, newBranch) != null); |
| |
| Ref targetBranchRef = getRef(repo, newBranch); |
| Ref masterRef = getRef(repo, master); |
| assertThat(targetBranchRef).isNotNull(); |
| assertThat(targetBranchRef.getObjectId()).isEqualTo(masterRef.getObjectId()); |
| } |
| } |
| |
| @Test |
| public void shouldReplicateNewBranchToTwoRemotes() throws Exception { |
| Project.NameKey targetProject1 = createProject("projectreplica1"); |
| Project.NameKey targetProject2 = createProject("projectreplica2"); |
| |
| setReplicationDestination("foo1", "replica1", ALL_PROJECTS); |
| setReplicationDestination("foo2", "replica2", ALL_PROJECTS); |
| reloadConfig(); |
| waitForEmptyTasks(); |
| |
| Result pushResult = createChange(); |
| RevCommit sourceCommit = pushResult.getCommit(); |
| String sourceRef = pushResult.getPatchSet().getRefName(); |
| |
| assertThat(listReplicationTasks("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"); |
| createProject("projectreplica1"); |
| createProject("projectreplica2"); |
| |
| setReplicationDestination("foo1", replicaSuffixes, ALL_PROJECTS); |
| setReplicationDestination("foo2", replicaSuffixes, ALL_PROJECTS); |
| reloadConfig(); |
| waitForEmptyTasks(); |
| |
| createChange(); |
| |
| assertThat(listReplicationTasks("refs/changes/\\d*/\\d*/\\d*")).hasSize(4); |
| } |
| |
| @Test |
| public void shouldReplicateHeadUpdate() throws Exception { |
| setReplicationDestination("foo", "replica", ALL_PROJECTS); |
| reloadConfig(); |
| |
| Project.NameKey targetProject = createProject("projectreplica"); |
| String newHead = "refs/heads/newhead"; |
| String master = "refs/heads/master"; |
| BranchInput input = new BranchInput(); |
| input.revision = master; |
| gApi.projects().name(project.get()).branch(newHead).create(input); |
| gApi.projects().name(project.get()).head(newHead); |
| |
| try (Repository repo = repoManager.openRepository(targetProject)) { |
| waitUntil(() -> checkedGetRef(repo, newHead) != null); |
| |
| Ref targetProjectHead = getRef(repo, Constants.HEAD); |
| assertThat(targetProjectHead).isNotNull(); |
| assertThat(targetProjectHead.getTarget().getName()).isEqualTo(newHead); |
| } |
| } |
| |
| 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 void setReplicationDestination( |
| String remoteName, 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", remoteName, "url", replicaUrls); |
| config.setInt("remote", remoteName, "replicationDelay", TEST_REPLICATION_DELAY); |
| project.ifPresent(prj -> config.setString("remote", remoteName, "projects", prj)); |
| config.save(); |
| } |
| |
| private void waitUntil(Supplier<Boolean> waitCondition) throws InterruptedException { |
| Stopwatch stopwatch = Stopwatch.createStarted(); |
| while (!waitCondition.get() && stopwatch.elapsed().compareTo(TEST_TIMEMOUT) < 0) { |
| TimeUnit.SECONDS.sleep(1); |
| } |
| } |
| |
| private void reloadConfig() { |
| plugin.getSysInjector().getInstance(AutoReloadConfigDecorator.class).forceReload(); |
| } |
| |
| private void waitForEmptyTasks() throws InterruptedException { |
| waitUntil( |
| () -> { |
| try { |
| return listReplicationTasks(".*").size() == 0; |
| } catch (Exception e) { |
| logger.atSevere().withCause(e).log("Failed to list replication tasks"); |
| throw new IllegalStateException(e); |
| } |
| }); |
| } |
| |
| private List<ReplicateRefUpdate> listReplicationTasks(String refRegex) throws IOException { |
| Pattern refmaskPattern = Pattern.compile(refRegex); |
| List<ReplicateRefUpdate> tasks = new ArrayList<>(); |
| try (DirectoryStream<Path> files = Files.newDirectoryStream(storagePath)) { |
| for (Path path : files) { |
| ReplicateRefUpdate task = readTask(path); |
| if (refmaskPattern.matcher(task.ref).matches()) { |
| tasks.add(readTask(path)); |
| } |
| } |
| } |
| |
| return tasks; |
| } |
| |
| private ReplicateRefUpdate readTask(Path file) { |
| try (BufferedReader reader = Files.newBufferedReader(file, StandardCharsets.UTF_8)) { |
| return GSON.fromJson(reader, ReplicateRefUpdate.class); |
| } catch (Exception e) { |
| logger.atSevere().withCause(e).log("failed to read replication task %s", file); |
| throw new IllegalStateException(e); |
| } |
| } |
| } |