| // 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.gerritforge.gerrit.globalrefdb.validation; |
| |
| import com.gerritforge.gerrit.globalrefdb.GlobalRefDbSystemError; |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.entities.Project; |
| import com.google.gerrit.extensions.events.ProjectDeletedListener; |
| import com.google.inject.Inject; |
| |
| /** Removes a project from the global refdb upon deletion */ |
| public class ProjectDeletedSharedDbCleanup implements ProjectDeletedListener { |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| private final SharedRefDatabaseWrapper sharedDb; |
| |
| private final ValidationMetrics validationMetrics; |
| |
| /** |
| * Constructs a {@code ProjectDeletedSharedDbCleanup} with the provided validation metrics and |
| * shared ref-database |
| * |
| * @param sharedDb global refdb used to validate project deletion |
| * @param validationMetrics to increase split-brain upon project failed validation |
| */ |
| @Inject |
| public ProjectDeletedSharedDbCleanup( |
| SharedRefDatabaseWrapper sharedDb, ValidationMetrics validationMetrics) { |
| this.sharedDb = sharedDb; |
| this.validationMetrics = validationMetrics; |
| } |
| |
| /** |
| * Attempts to delete a project from the global refdb. Upon failure, it swallows {@link |
| * GlobalRefDbSystemError} exceptions and increments split brain metrics. Executed upon project |
| * deletion. |
| * |
| * @param event the project deletion event |
| */ |
| @Override |
| public void onProjectDeleted(Event event) { |
| String projectName = event.getProjectName(); |
| logger.atInfo().log( |
| "Deleting project '%s'. Will perform a cleanup in Shared-Ref database.", projectName); |
| |
| try { |
| sharedDb.remove(Project.nameKey(projectName)); |
| } catch (GlobalRefDbSystemError e) { |
| validationMetrics.incrementSplitBrain(); |
| logger.atSevere().withCause(e).log( |
| "Project '%s' deleted from GIT but it was not able to cleanup" |
| + " from Shared-Ref database", |
| projectName); |
| } |
| } |
| } |