Line data    Source code

       1             : // Copyright (C) 2015 The Android Open Source Project
       2             : //
       3             : // Licensed under the Apache License, Version 2.0 (the "License");
       4             : // you may not use this file except in compliance with the License.
       5             : // You may obtain a copy of the License at
       6             : //
       7             : // http://www.apache.org/licenses/LICENSE-2.0
       8             : //
       9             : // Unless required by applicable law or agreed to in writing, software
      10             : // distributed under the License is distributed on an "AS IS" BASIS,
      11             : // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
      12             : // See the License for the specific language governing permissions and
      13             : // limitations under the License.
      14             : 
      15             : package com.google.gerrit.server.git.receive;
      16             : 
      17             : import static com.google.gerrit.server.quota.QuotaGroupDefinitions.REPOSITORY_SIZE_GROUP;
      18             : 
      19             : import com.google.common.flogger.FluentLogger;
      20             : import com.google.gerrit.entities.Project;
      21             : import com.google.gerrit.server.CurrentUser;
      22             : import com.google.gerrit.server.plugincontext.PluginSetContext;
      23             : import com.google.gerrit.server.quota.QuotaBackend;
      24             : import com.google.gerrit.server.quota.QuotaResponse;
      25             : import com.google.inject.Inject;
      26             : import com.google.inject.assistedinject.Assisted;
      27             : import java.util.Collection;
      28             : import org.eclipse.jgit.transport.PostReceiveHook;
      29             : import org.eclipse.jgit.transport.ReceiveCommand;
      30             : import org.eclipse.jgit.transport.ReceivePack;
      31             : 
      32             : /**
      33             :  * Class is responsible for calling all registered post-receive hooks. In addition, in case when
      34             :  * repository size quota is defined, it requests tokens (pack size) that were received. This is the
      35             :  * final step of enforcing repository size quota that deducts token from available tokens.
      36             :  */
      37             : public class LazyPostReceiveHookChain implements PostReceiveHook {
      38             :   interface Factory {
      39             :     LazyPostReceiveHookChain create(CurrentUser user, Project.NameKey project);
      40             :   }
      41             : 
      42          97 :   private static final FluentLogger logger = FluentLogger.forEnclosingClass();
      43             : 
      44             :   private final PluginSetContext<PostReceiveHook> hooks;
      45             :   private final QuotaBackend quotaBackend;
      46             :   private final CurrentUser user;
      47             :   private final Project.NameKey project;
      48             : 
      49             :   @Inject
      50             :   LazyPostReceiveHookChain(
      51             :       PluginSetContext<PostReceiveHook> hooks,
      52             :       QuotaBackend quotaBackend,
      53             :       @Assisted CurrentUser user,
      54          97 :       @Assisted Project.NameKey project) {
      55          97 :     this.hooks = hooks;
      56          97 :     this.quotaBackend = quotaBackend;
      57          97 :     this.user = user;
      58          97 :     this.project = project;
      59          97 :   }
      60             : 
      61             :   @Override
      62             :   public void onPostReceive(ReceivePack rp, Collection<ReceiveCommand> commands) {
      63           9 :     hooks.runEach(h -> h.onPostReceive(rp, commands));
      64           9 :     if (affectsSize(rp)) {
      65           2 :       QuotaResponse.Aggregated a =
      66             :           quotaBackend
      67           2 :               .user(user)
      68           2 :               .project(project)
      69           2 :               .requestTokens(REPOSITORY_SIZE_GROUP, rp.getPackSize());
      70           2 :       if (a.hasError()) {
      71           0 :         String msg =
      72           0 :             String.format(
      73             :                 "%s request failed for project %s with [%s]",
      74           0 :                 REPOSITORY_SIZE_GROUP, project, a.errorMessage());
      75           0 :         logger.atWarning().log("%s", msg);
      76           0 :         throw new RuntimeException(msg);
      77             :       }
      78             :     }
      79           9 :   }
      80             : 
      81             :   public static boolean affectsSize(ReceivePack rp) {
      82          97 :     return rp.hasReceivedPack() && rp.getPackSize() > 0L;
      83             :   }
      84             : }