| // Copyright (C) 2023 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.spannerrefdb; |
| |
| import com.gerritforge.gerrit.globalrefdb.GlobalRefDatabase; |
| import com.google.auth.oauth2.GoogleCredentials; |
| import com.google.cloud.spanner.DatabaseAdminClient; |
| import com.google.cloud.spanner.DatabaseClient; |
| import com.google.cloud.spanner.DatabaseId; |
| import com.google.cloud.spanner.SpannerOptions; |
| import com.google.common.base.Strings; |
| import com.google.common.flogger.FluentLogger; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.extensions.registration.DynamicItem; |
| import com.google.gerrit.lifecycle.LifecycleModule; |
| import com.google.gerrit.server.config.PluginConfigFactory; |
| import com.google.inject.Provides; |
| import com.google.inject.Scopes; |
| import com.google.inject.Singleton; |
| import com.google.inject.assistedinject.FactoryModuleBuilder; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.concurrent.ScheduledExecutorService; |
| import org.eclipse.jgit.lib.Config; |
| |
| class Module extends LifecycleModule { |
| private static final FluentLogger logger = FluentLogger.forEnclosingClass(); |
| |
| public static final String DATABASE_KEY = "database"; |
| public static final String INSTANCE_KEY = "instance"; |
| public static final String EMULATOR_KEY = "useEmulator"; |
| public static final String CREDENTIALS_KEY = "credentialsPath"; |
| public static final String SECTION = "ref-database"; |
| public static final String SUBSECTION = "spanner"; |
| |
| @Override |
| protected void configure() { |
| logger.atInfo().log("Configuring Cloud Spanner for global refdb."); |
| DynamicItem.bind(binder(), GlobalRefDatabase.class) |
| .to(SpannerRefDatabase.class) |
| .in(Scopes.SINGLETON); |
| listener().to(SpannerLifeCycleManager.class); |
| install(new FactoryModuleBuilder().build(Lock.Factory.class)); |
| bind(ScheduledExecutorService.class) |
| .annotatedWith(HeartbeatExecutor.class) |
| .toProvider(HeartbeatExecutorProvider.class) |
| .in(Scopes.SINGLETON); |
| listener().to(HeartbeatExecutorProvider.class); |
| } |
| |
| @Provides |
| @Singleton |
| private Config Configuration(PluginConfigFactory configFactory, @PluginName String pluginName) { |
| return configFactory.getGlobalPluginConfig(pluginName); |
| } |
| |
| @Provides |
| @Singleton |
| public SpannerOptions createSpannerOptions(Config cfg) throws FileNotFoundException, IOException { |
| SpannerOptions options; |
| boolean useEmulator = cfg.getBoolean(SECTION, SUBSECTION, EMULATOR_KEY, false); |
| if (useEmulator) { |
| options = SpannerOptions.newBuilder().build(); |
| logger.atInfo().log( |
| "Using local Spanner emulator for global-refdb; Spanner credentials will not be read."); |
| } else { |
| String credentialsPath = getString(cfg, SECTION, SUBSECTION, CREDENTIALS_KEY, null); |
| GoogleCredentials credentials = |
| GoogleCredentials.fromStream(new FileInputStream(credentialsPath)); |
| options = SpannerOptions.newBuilder().setCredentials(credentials).build(); |
| } |
| return options; |
| } |
| |
| @Provides |
| @Singleton |
| public DatabaseAdminClient createDbAdminClient(SpannerOptions options) { |
| return options.getService().getDatabaseAdminClient(); |
| } |
| |
| @Provides |
| @Singleton |
| public DatabaseClient createDatabaseClient(Config cfg, SpannerOptions options) { |
| return options.getService().getDatabaseClient(createDatabaseId(cfg, options)); |
| } |
| |
| @Provides |
| @Singleton |
| public DatabaseId createDatabaseId(Config cfg, SpannerOptions options) { |
| String spannerInstance = getString(cfg, SECTION, SUBSECTION, INSTANCE_KEY, "spanner-instance"); |
| String spannerDatabase = getString(cfg, SECTION, SUBSECTION, DATABASE_KEY, "global-refdb"); |
| |
| return DatabaseId.of(options.getProjectId(), spannerInstance, spannerDatabase); |
| } |
| |
| private String getString( |
| Config cfg, String section, String subsection, String name, String defaultValue) { |
| String value = cfg.getString(section, subsection, name); |
| if (!Strings.isNullOrEmpty(value)) { |
| return value; |
| } |
| return defaultValue; |
| } |
| } |