| // Copyright (C) 2013 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 com.google.gerrit.common.EventDispatcher; |
| import com.google.gerrit.reviewdb.client.Branch; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.PatchSet; |
| import com.google.gerrit.reviewdb.client.Project; |
| import com.google.gerrit.reviewdb.server.ReviewDb; |
| import com.google.gerrit.server.events.RefEvent; |
| import com.google.gwtorm.server.OrmException; |
| import com.google.gwtorm.server.SchemaFactory; |
| |
| import com.googlesource.gerrit.plugins.replication.ReplicationState.RefPushResult; |
| |
| import org.eclipse.jgit.transport.URIish; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.lang.ref.WeakReference; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| public abstract class PushResultProcessing { |
| |
| abstract void onRefReplicatedToOneNode(String project, String ref, URIish uri, RefPushResult status); |
| |
| abstract void onRefReplicatedToAllNodes(String project, String ref, int nodesCount); |
| |
| abstract void onAllRefsReplicatedToAllNodes(int totalPushTasksCount); |
| |
| /** |
| * Write message to standard out. |
| * |
| * @param message message text. |
| */ |
| void writeStdOut(final String message) { |
| // Default doing nothing |
| } |
| |
| /** |
| * Write message to standard error. |
| * |
| * @param message message text. |
| */ |
| void writeStdErr(final String message) { |
| // Default doing nothing |
| } |
| |
| private static String resolveNodeName(URIish uri) { |
| StringBuilder sb = new StringBuilder(); |
| if (uri.isRemote()) { |
| sb.append(uri.getHost()); |
| if (uri.getPort() != -1) { |
| sb.append(":"); |
| sb.append(uri.getPort()); |
| } |
| } else { |
| sb.append(uri.getPath()); |
| } |
| return sb.toString(); |
| } |
| |
| public static class CommandProcessing extends PushResultProcessing { |
| private WeakReference<StartCommand> sshCommand; |
| private AtomicBoolean hasError = new AtomicBoolean(); |
| |
| CommandProcessing(StartCommand sshCommand) { |
| this.sshCommand = new WeakReference<>(sshCommand); |
| } |
| |
| @Override |
| void onRefReplicatedToOneNode(String project, String ref, URIish uri, |
| RefPushResult status) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("Replicate "); |
| sb.append(project); |
| sb.append(" ref "); |
| sb.append(ref); |
| sb.append(" to "); |
| sb.append(resolveNodeName(uri)); |
| sb.append(", "); |
| switch (status) { |
| case SUCCEEDED: |
| sb.append("Succeeded!"); |
| break; |
| case FAILED: |
| sb.append("FAILED!"); |
| hasError.compareAndSet(false, true); |
| break; |
| case NOT_ATTEMPTED: |
| sb.append("NOT ATTEMPTED!"); |
| break; |
| default: |
| sb.append("UNKNOWN RESULT!"); |
| break; |
| } |
| writeStdOut(sb.toString()); |
| } |
| |
| @Override |
| void onRefReplicatedToAllNodes(String project, String ref, int nodesCount) { |
| StringBuilder sb = new StringBuilder(); |
| sb.append("Replication of "); |
| sb.append(project); |
| sb.append(" ref "); |
| sb.append(ref); |
| sb.append(" completed to "); |
| sb.append(nodesCount); |
| sb.append(" nodes, "); |
| writeStdOut(sb.toString()); |
| } |
| |
| @Override |
| void onAllRefsReplicatedToAllNodes(int totalPushTasksCount) { |
| if (totalPushTasksCount == 0) { |
| return; |
| } |
| writeStdOut("----------------------------------------------"); |
| if (hasError.get()) { |
| writeStdOut("Replication completed with some errors!"); |
| } else { |
| writeStdOut("Replication completed successfully!"); |
| } |
| } |
| |
| @Override |
| void writeStdOut(final String message) { |
| StartCommand command = sshCommand.get(); |
| if (command != null) { |
| command.writeStdOutSync(message); |
| } |
| } |
| |
| @Override |
| void writeStdErr(final String message) { |
| StartCommand command = sshCommand.get(); |
| if (command != null) { |
| command.writeStdErrSync(message); |
| } |
| } |
| } |
| |
| public static class GitUpdateProcessing extends PushResultProcessing { |
| static final Logger log = LoggerFactory.getLogger(GitUpdateProcessing.class); |
| |
| private final EventDispatcher dispatcher; |
| private final SchemaFactory<ReviewDb> schema; |
| |
| public GitUpdateProcessing(EventDispatcher dispatcher, |
| SchemaFactory<ReviewDb> schema) { |
| this.dispatcher = dispatcher; |
| this.schema = schema; |
| } |
| |
| @Override |
| void onRefReplicatedToOneNode(String project, String ref, URIish uri, |
| RefPushResult status) { |
| RefReplicatedEvent event = |
| new RefReplicatedEvent(project, ref, resolveNodeName(uri), status); |
| postEvent(project, ref, event); |
| } |
| |
| @Override |
| void onRefReplicatedToAllNodes(String project, String ref, int nodesCount) { |
| RefReplicationDoneEvent event = |
| new RefReplicationDoneEvent(project, ref, nodesCount); |
| postEvent(project, ref, event); |
| } |
| |
| @Override |
| void onAllRefsReplicatedToAllNodes(int totalPushTasksCount) { |
| } |
| |
| private void postEvent(String project, String ref, RefEvent event) { |
| if (PatchSet.isRef(ref)) { |
| try { |
| ReviewDb db = schema.open(); |
| try { |
| Change change = retrieveChange(ref, db); |
| if (change != null) { |
| dispatcher.postEvent(change, event, db); |
| } |
| } finally { |
| db.close(); |
| } |
| } catch (Exception e) { |
| log.error("Cannot post event", e); |
| } |
| } else { |
| Branch.NameKey branch = new Branch.NameKey(Project.NameKey.parse(project), ref); |
| dispatcher.postEvent(branch, event); |
| } |
| } |
| |
| private Change retrieveChange(String ref, ReviewDb db) throws OrmException { |
| PatchSet.Id id = PatchSet.Id.fromRef(ref); |
| Change change = db.changes().get(id.getParentKey()); |
| return change; |
| } |
| } |
| } |