| // Copyright (C) 2009 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.extensions.annotations.RequiresCapability; |
| import com.google.gerrit.sshd.CommandMetaData; |
| import com.google.gerrit.sshd.SshCommand; |
| import com.google.inject.Inject; |
| import com.googlesource.gerrit.plugins.replication.PushResultProcessing.CommandProcessing; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.ExecutionException; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| import org.kohsuke.args4j.Argument; |
| import org.kohsuke.args4j.Option; |
| |
| @RequiresCapability(StartReplicationCapability.START_REPLICATION) |
| @CommandMetaData( |
| name = "start", |
| description = "Start replication for specific project or all projects") |
| final class StartCommand extends SshCommand { |
| @Inject private ReplicationStateLogger stateLog; |
| |
| @Option(name = "--all", usage = "push all known projects") |
| private boolean all; |
| |
| @Option(name = "--url", metaVar = "PATTERN", usage = "pattern to match URL on") |
| private String urlMatch; |
| |
| @Option(name = "--wait", usage = "wait for replication to finish before exiting") |
| private boolean wait; |
| |
| @Option(name = "--now", usage = "start replication without waiting for replicationDelay") |
| private boolean now; |
| |
| @Argument(index = 0, multiValued = true, metaVar = "PATTERN", usage = "project name pattern") |
| private List<String> projectPatterns = new ArrayList<>(2); |
| |
| @Inject private PushAll.Factory pushFactory; |
| |
| private final Object lock = new Object(); |
| |
| @Override |
| protected void run() throws Failure { |
| if (all && !projectPatterns.isEmpty()) { |
| throw new UnloggedFailure(1, "error: cannot combine --all and PROJECT"); |
| } |
| |
| ReplicationState state = new ReplicationState(new CommandProcessing(this)); |
| |
| ReplicationFilter projectFilter; |
| |
| if (all) { |
| projectFilter = ReplicationFilter.all(); |
| } else { |
| projectFilter = new ReplicationFilter(projectPatterns); |
| } |
| |
| Future<?> future = |
| pushFactory.create(urlMatch, projectFilter, state, now).schedule(0, TimeUnit.SECONDS); |
| |
| if (wait) { |
| if (future != null) { |
| try { |
| future.get(); |
| } catch (InterruptedException e) { |
| stateLog.error( |
| "Thread was interrupted while waiting for PushAll operation to finish", e, state); |
| return; |
| } catch (ExecutionException e) { |
| stateLog.error("An exception was thrown in PushAll operation", e, state); |
| return; |
| } |
| } |
| |
| if (state.hasPushTask()) { |
| try { |
| state.waitForReplication(); |
| } catch (InterruptedException e) { |
| writeStdErrSync("We are interrupted while waiting replication to complete"); |
| } |
| } else { |
| writeStdOutSync("Nothing to replicate"); |
| } |
| } |
| } |
| |
| public void writeStdOutSync(String message) { |
| if (wait) { |
| synchronized (lock) { |
| stdout.println(message); |
| stdout.flush(); |
| } |
| } |
| } |
| |
| public void writeStdErrSync(String message) { |
| if (wait) { |
| synchronized (lock) { |
| stderr.println(message); |
| stderr.flush(); |
| } |
| } |
| } |
| } |