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feature: 支持自定义开发环境, 实际业务场景中: 不是用 dev 代表开发环境
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.../main/java/app/myoss/cloud/core/spring/boot/config/DeployEnvEnvironmentPostProcessor.java
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| /* | ||
| * Copyright 2018-2019 https://github.com/myoss | ||
| * | ||
| * 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. | ||
| * | ||
| */ | ||
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| package app.myoss.cloud.core.spring.boot.config; | ||
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| import java.util.LinkedHashMap; | ||
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| import org.apache.commons.lang3.StringUtils; | ||
| import org.springframework.boot.SpringApplication; | ||
| import org.springframework.boot.context.event.ApplicationPreparedEvent; | ||
| import org.springframework.boot.env.EnvironmentPostProcessor; | ||
| import org.springframework.boot.logging.DeferredLog; | ||
| import org.springframework.context.ApplicationEvent; | ||
| import org.springframework.context.event.SmartApplicationListener; | ||
| import org.springframework.core.Ordered; | ||
| import org.springframework.core.env.ConfigurableEnvironment; | ||
| import org.springframework.core.io.ClassPathResource; | ||
| import org.springframework.core.io.Resource; | ||
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| import app.myoss.cloud.core.constants.DeployEnvEnum; | ||
| import app.myoss.cloud.core.constants.MyossConstants; | ||
| import app.myoss.cloud.core.utils.YamlUtils; | ||
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| /** | ||
| * 加载"服务部署的环境变量"，保存到 spring {@link org.springframework.core.env.Environment} 中 | ||
| * <p> | ||
| * 如果需要启用这个功能，请按下面的步骤操作： | ||
| * <ul> | ||
| * <li>可以在某个核心 maven依赖中，增加配置文件信息：resources:core-config/service-deploy-env.yml | ||
| * <li>service-deploy-env.yml 中增加配置项：DEPLOY_ENV_CUSTOMIZE_DEV: local | ||
| * </ul> | ||
| * | ||
| * @author Jerry.Chen | ||
| * @since 2019年10月2日 下午3:26:17 | ||
| */ | ||
| public class DeployEnvEnvironmentPostProcessor implements EnvironmentPostProcessor, Ordered, SmartApplicationListener { | ||
| /** | ||
| * {@link EnvironmentPostProcessor} 中比较特殊，不能直接用 @Slf4j 进行输出日志 | ||
| */ | ||
| private static final DeferredLog LOGGER = new DeferredLog(); | ||
| /** | ||
| * The default order for the processor. | ||
| */ | ||
| public static final int DEFAULT_ORDER = CoreCommonEnvironmentPostProcessor.DEFAULT_ORDER - 1; | ||
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| @Override | ||
| public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) { | ||
| // 加载 "服务部署的环境变量" 的配置文件 | ||
| Resource path = new ClassPathResource("core-config/service-deploy-env.yml"); | ||
| LinkedHashMap<String, Object> linkedHashMap = YamlUtils.loadYaml2Map(path); | ||
| if (linkedHashMap != null) { | ||
| String customizeDev = (String) linkedHashMap.get(DeployEnvEnum.CUSTOMIZE_DEV.getValue()); | ||
| if (StringUtils.isNotBlank(customizeDev)) { | ||
| // 自定义开发环境, 实际业务场景中: 不是用 dev 代表开发环境 | ||
| LOGGER.info("DEPLOY_ENV_CUSTOMIZE_DEV set to " + customizeDev); | ||
| System.setProperty(DeployEnvEnum.CUSTOMIZE_DEV.getValue(), customizeDev); | ||
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| // 加载当前环境的配置文件，进行覆盖 | ||
| String deployEnv = DeployEnvEnum.getDeployEnv(); | ||
| if (deployEnv == null) { | ||
| // 跑 test case 的时候，可以考虑加下这个： @SpringBootTest(properties = {"DEPLOY_ENV:test"}) | ||
| deployEnv = environment.getProperty(MyossConstants.DEPLOY_ENV); | ||
| } | ||
| if (deployEnv == null) { | ||
| LOGGER.info("DEPLOY_ENV set to " + customizeDev); | ||
| DeployEnvEnum.setDeployEnv(customizeDev); | ||
| } | ||
| } | ||
| CoreCommonEnvironmentPostProcessor.addOrReplace(environment.getPropertySources(), linkedHashMap); | ||
| } | ||
| } | ||
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| @Override | ||
| public boolean supportsEventType(Class<? extends ApplicationEvent> eventType) { | ||
| return ApplicationPreparedEvent.class.isAssignableFrom(eventType); | ||
| } | ||
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| @Override | ||
| public boolean supportsSourceType(Class<?> sourceType) { | ||
| return true; | ||
| } | ||
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| @Override | ||
| public void onApplicationEvent(ApplicationEvent event) { | ||
| if (event instanceof ApplicationPreparedEvent) { | ||
| LOGGER.replayTo(DeployEnvEnvironmentPostProcessor.class); | ||
| } | ||
| } | ||
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| @Override | ||
| public int getOrder() { | ||
| return DEFAULT_ORDER; | ||
| } | ||
| } |
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