| // 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.pull.api; |
| |
| import static com.googlesource.gerrit.plugins.replication.pull.PullReplicationLogger.repLog; |
| import static java.util.concurrent.TimeUnit.NANOSECONDS; |
| |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.entities.Project; |
| import com.google.gerrit.extensions.registration.DynamicItem; |
| import com.google.gerrit.metrics.Timer1; |
| import com.google.gerrit.server.events.EventDispatcher; |
| import com.google.gerrit.server.permissions.PermissionBackendException; |
| import com.google.inject.Inject; |
| import com.googlesource.gerrit.plugins.replication.pull.ApplyObjectMetrics; |
| import com.googlesource.gerrit.plugins.replication.pull.Context; |
| import com.googlesource.gerrit.plugins.replication.pull.FetchRefReplicatedEvent; |
| import com.googlesource.gerrit.plugins.replication.pull.PullReplicationStateLogger; |
| import com.googlesource.gerrit.plugins.replication.pull.ReplicationState; |
| import com.googlesource.gerrit.plugins.replication.pull.ReplicationState.RefFetchResult; |
| import com.googlesource.gerrit.plugins.replication.pull.Source; |
| import com.googlesource.gerrit.plugins.replication.pull.SourcesCollection; |
| import com.googlesource.gerrit.plugins.replication.pull.api.data.RevisionData; |
| import com.googlesource.gerrit.plugins.replication.pull.api.exception.MissingParentObjectException; |
| import com.googlesource.gerrit.plugins.replication.pull.api.exception.RefUpdateException; |
| import com.googlesource.gerrit.plugins.replication.pull.fetch.ApplyObject; |
| import com.googlesource.gerrit.plugins.replication.pull.fetch.RefUpdateState; |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.Set; |
| import org.eclipse.jgit.lib.RefUpdate; |
| import org.eclipse.jgit.transport.RefSpec; |
| |
| public class ApplyObjectCommand { |
| |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| private static final Set<RefUpdate.Result> SUCCESSFUL_RESULTS = |
| ImmutableSet.of( |
| RefUpdate.Result.NEW, |
| RefUpdate.Result.FORCED, |
| RefUpdate.Result.NO_CHANGE, |
| RefUpdate.Result.FAST_FORWARD); |
| |
| private final PullReplicationStateLogger fetchStateLog; |
| private final ApplyObject applyObject; |
| private final ApplyObjectMetrics metrics; |
| private final DynamicItem<EventDispatcher> eventDispatcher; |
| private final SourcesCollection sourcesCollection; |
| |
| @Inject |
| public ApplyObjectCommand( |
| PullReplicationStateLogger fetchStateLog, |
| ApplyObject applyObject, |
| ApplyObjectMetrics metrics, |
| DynamicItem<EventDispatcher> eventDispatcher, |
| SourcesCollection sourcesCollection) { |
| this.fetchStateLog = fetchStateLog; |
| this.applyObject = applyObject; |
| this.metrics = metrics; |
| this.eventDispatcher = eventDispatcher; |
| this.sourcesCollection = sourcesCollection; |
| } |
| |
| public void applyObject( |
| Project.NameKey name, String refName, RevisionData revisionsData, String sourceLabel) |
| throws IOException, RefUpdateException, MissingParentObjectException { |
| applyObjects(name, refName, new RevisionData[] {revisionsData}, sourceLabel); |
| } |
| |
| public void applyObjects( |
| Project.NameKey name, String refName, RevisionData[] revisionsData, String sourceLabel) |
| throws IOException, RefUpdateException, MissingParentObjectException { |
| |
| repLog.info( |
| "Apply object from {} for {}:{} - {}", |
| sourceLabel, |
| name, |
| refName, |
| Arrays.toString(revisionsData)); |
| Timer1.Context<String> context = metrics.start(sourceLabel); |
| |
| RefUpdateState refUpdateState = applyObject.apply(name, new RefSpec(refName), revisionsData); |
| |
| long elapsed = NANOSECONDS.toMillis(context.stop()); |
| |
| try { |
| Context.setLocalEvent(true); |
| Source source = |
| sourcesCollection |
| .getByRemoteName(sourceLabel) |
| .orElseThrow( |
| () -> |
| new IllegalStateException( |
| String.format("Could not find URI for %s remote", sourceLabel))); |
| eventDispatcher |
| .get() |
| .postEvent( |
| new FetchRefReplicatedEvent( |
| name.get(), |
| refName, |
| source.getURI(name), |
| getStatus(refUpdateState), |
| refUpdateState.getResult())); |
| } catch (PermissionBackendException | IllegalStateException e) { |
| logger.atSevere().withCause(e).log( |
| "Cannot post event for ref '%s', project %s", refName, name); |
| } finally { |
| Context.unsetLocalEvent(); |
| } |
| |
| if (!isSuccessful(refUpdateState.getResult())) { |
| String message = |
| String.format( |
| "RefUpdate failed with result %s for: sourceLcabel=%s, project=%s, refName=%s", |
| refUpdateState.getResult().name(), sourceLabel, name, refName); |
| fetchStateLog.error(message); |
| throw new RefUpdateException(message); |
| } |
| repLog.info( |
| "Apply object from {} for project {}, ref name {} completed in {}ms", |
| sourceLabel, |
| name, |
| refName, |
| elapsed); |
| } |
| |
| private RefFetchResult getStatus(RefUpdateState refUpdateState) { |
| return isSuccessful(refUpdateState.getResult()) |
| ? ReplicationState.RefFetchResult.SUCCEEDED |
| : ReplicationState.RefFetchResult.FAILED; |
| } |
| |
| private Boolean isSuccessful(RefUpdate.Result result) { |
| return SUCCESSFUL_RESULTS.contains(result); |
| } |
| } |