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feat(client): Add more observability in apollo config client
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134
...o-client/src/main/java/com/ctrip/framework/apollo/internals/ConfigMonitorInitializer.java
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| /* | ||
| * Copyright 2022 Apollo Authors | ||
| * | ||
| * 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.ctrip.framework.apollo.internals; | ||
|
|
||
| import com.ctrip.framework.apollo.build.ApolloInjector; | ||
| import com.ctrip.framework.apollo.core.utils.ClassLoaderUtil; | ||
| import com.ctrip.framework.apollo.monitor.api.ConfigMonitor; | ||
| import com.ctrip.framework.apollo.monitor.internal.DefaultConfigMonitor; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.MetricsCollector; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.MetricsCollectorManager; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.internal.DefaultApolloExceptionCollector; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.internal.DefaultApolloNamespaceCollector; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.internal.DefaultApolloRunningParamsCollector; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.internal.DefaultApolloThreadPoolCollector; | ||
| import com.ctrip.framework.apollo.monitor.internal.collector.internal.DefaultMetricsCollectorManager; | ||
| import com.ctrip.framework.apollo.monitor.internal.exporter.MetricsExporter; | ||
| import com.ctrip.framework.apollo.monitor.internal.exporter.MetricsExporterFactory; | ||
| import com.ctrip.framework.apollo.monitor.internal.tracer.MessageProducerComposite; | ||
| import com.ctrip.framework.apollo.monitor.internal.tracer.MonitorMessageProducer; | ||
| import com.ctrip.framework.apollo.tracer.internals.NullMessageProducer; | ||
| import com.ctrip.framework.apollo.tracer.internals.cat.CatMessageProducer; | ||
| import com.ctrip.framework.apollo.tracer.internals.cat.CatNames; | ||
| import com.ctrip.framework.apollo.tracer.spi.MessageProducer; | ||
| import com.ctrip.framework.apollo.util.ConfigUtil; | ||
| import com.ctrip.framework.foundation.internals.ServiceBootstrap; | ||
| import com.google.common.collect.Lists; | ||
| import java.util.List; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
|
|
||
| /** | ||
| * @author Rawven | ||
| */ | ||
| public class ConfigMonitorInitializer { | ||
|
|
||
| private static final Logger logger = LoggerFactory.getLogger(ConfigMonitorInitializer.class); | ||
|
|
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| private static ConfigUtil m_configUtil = ApolloInjector.getInstance(ConfigUtil.class); | ||
| private static Boolean hasInitialized = false; | ||
|
|
||
| public static void initialize() { | ||
| if (m_configUtil.isClientMonitorEnabled() && !hasInitialized) { | ||
| logger.info("Initializing ConfigMonitor..."); | ||
| DefaultMetricsCollectorManager manager = initializeMetricsCollectorManager(); | ||
| List<MetricsCollector> collectors = initializeCollectors(manager); | ||
| MetricsExporter metricsExporter = initializeMetricsExporter(collectors); | ||
| initializeConfigMonitor(collectors, metricsExporter); | ||
| hasInitialized = true; | ||
| logger.info("ConfigMonitor initialized successfully."); | ||
| } | ||
| } | ||
|
|
||
| private static DefaultMetricsCollectorManager initializeMetricsCollectorManager() { | ||
| return (DefaultMetricsCollectorManager) ApolloInjector.getInstance( | ||
| MetricsCollectorManager.class); | ||
| } | ||
|
|
||
| private static List<MetricsCollector> initializeCollectors( | ||
| DefaultMetricsCollectorManager manager) { | ||
| DefaultConfigManager configManager = (DefaultConfigManager) ApolloInjector.getInstance( | ||
| ConfigManager.class); | ||
| DefaultApolloExceptionCollector exceptionCollector = new DefaultApolloExceptionCollector(); | ||
| DefaultApolloThreadPoolCollector threadPoolCollector = new DefaultApolloThreadPoolCollector( | ||
| RemoteConfigRepository.m_executorService, AbstractConfig.m_executorService, | ||
| AbstractConfigFile.m_executorService); | ||
| DefaultApolloNamespaceCollector namespaceCollector = new DefaultApolloNamespaceCollector( | ||
| configManager.m_configs, configManager.m_configLocks, configManager.m_configFiles, | ||
| configManager.m_configFileLocks); | ||
| DefaultApolloRunningParamsCollector startupCollector = new DefaultApolloRunningParamsCollector( | ||
| m_configUtil); | ||
|
|
||
| List<MetricsCollector> collectors = Lists.newArrayList(exceptionCollector, namespaceCollector, | ||
| threadPoolCollector, startupCollector); | ||
| manager.setCollectors(collectors); | ||
| return collectors; | ||
| } | ||
|
|
||
| private static MetricsExporter initializeMetricsExporter(List<MetricsCollector> collectors) { | ||
| MetricsExporterFactory reporterFactory = ApolloInjector.getInstance( | ||
| MetricsExporterFactory.class); | ||
| return reporterFactory.getMetricsReporter(collectors); | ||
| } | ||
|
|
||
| private static void initializeConfigMonitor(List<MetricsCollector> collectors, | ||
| MetricsExporter metricsExporter) { | ||
| DefaultConfigMonitor defaultConfigMonitor = (DefaultConfigMonitor) ApolloInjector.getInstance( | ||
| ConfigMonitor.class); | ||
| DefaultApolloExceptionCollector exceptionCollector = (DefaultApolloExceptionCollector) collectors.get( | ||
| 0); | ||
| DefaultApolloNamespaceCollector namespaceCollector = (DefaultApolloNamespaceCollector) collectors.get( | ||
| 1); | ||
| DefaultApolloThreadPoolCollector threadPoolCollector = (DefaultApolloThreadPoolCollector) collectors.get( | ||
| 2); | ||
| DefaultApolloRunningParamsCollector startupCollector = (DefaultApolloRunningParamsCollector) collectors.get( | ||
| 3); | ||
| defaultConfigMonitor.init(namespaceCollector, threadPoolCollector, exceptionCollector, | ||
| startupCollector, metricsExporter); | ||
| } | ||
|
|
||
| public static MessageProducerComposite initializeMessageProducerComposite() { | ||
|
|
||
| // Prioritize loading user-defined producers from SPI | ||
| List<MessageProducer> producers = ServiceBootstrap.loadAllOrdered(MessageProducer.class); | ||
|
|
||
| // The producer that comes with the client | ||
| if (m_configUtil.isClientMonitorEnabled()) { | ||
| producers.add(new MonitorMessageProducer()); | ||
| } | ||
|
|
||
| if (ClassLoaderUtil.isClassPresent(CatNames.CAT_CLASS)) { | ||
| producers.add(new CatMessageProducer()); | ||
| } | ||
|
|
||
| // default logic | ||
| if (producers.isEmpty()) { | ||
| producers.add(new NullMessageProducer()); | ||
| } | ||
| return new MessageProducerComposite(producers); | ||
| } | ||
| } |
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