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Spring_Boot_Starter_-_Как_и_зачем_.pdf

Kirill Tolkachev
March 06, 2018
120

 Spring_Boot_Starter_-_Как_и_зачем_.pdf

Kirill Tolkachev

March 06, 2018
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  1. Цели • Развеять миф о магии в Spring Boot •

    Понять принципы работы экосистемы стартеров
  2. Цели • Развеять миф о магии в Spring Boot •

    Понять принципы работы экосистемы стартеров • Понять прикладной смысл Spring Boot Starter
  3. @Getter @Setter @Aspect @ToString @EnableWs @Endpoint @EnableWebMvc @EnableCaching @Configuration @RestController

    @XmlRootElement @EnableWebSocket @RedisHash("cat") @EnableScheduling @EnableWebSecurity @NoArgsConstructor @ContextConfiguration @SpringBootApplication @Accessors(chain = true) @EnableAspectJAutoProxy @EnableAutoConfiguration @EnableRedisRepositories @EnableWebSocketMessageBroker // generate getters // generate setters // we are an aspect // generate toString() // SOAP is so enterprisy, we definitely need it // Seriously, just read above // we want MVC // and we want to cache stuff // this class can configure itself // we want some REST // this component is marshallable // we want web socket, it's so new-generation // this class is an entity saved in redis // we want scheduled tasks // and some built-in security // generate no args constructor // we want context configuration for unit testing // this is a Sprint Boot application // getters/setters are chained (ala jQuery) // we want AspectJ auto proxy // and auto configuration // since it is an entity we want to enable spring data repositories for redis // we want a broker for web socket messages
  4. @SpringBootApplication @Target(ElementType.TYPE) @Retention(RetentionPolicy.RUNTIME) @Documented @Inherited @SpringBootConfiguration @EnableAutoConfiguration @ComponentScan(excludeFilters = {

    @Filter(type = FilterType.CUSTOM, classes = TypeExcludeFilter.class), @Filter(type = FilterType.CUSTOM, classes = AutoConfigurationExcludeFilter.class) }) public @interface SpringBootApplication { …
  5. Условия @Configuration @ConditionalOnBean({Client.class, DiscoveryClient.class}) @EnableConfigurationProperties(value = APIVersionFilterProperties.class) public class DiscoveryAPIVersionFilterAutoConfiguration

    { @Bean public ApiVersionServerListFilter versionedFilter(DiscoveryClient discoveryClient, APIVersionFilterProperties properties) { return new APIVersionServerListFilter(properties.getServiceVersions(), discoveryClient); } ... }
  6. Условия @Configuration @ConditionalOnBean({Client.class, DiscoveryClient.class}) @EnableConfigurationProperties(value = APIVersionFilterProperties.class) public class DiscoveryAPIVersionFilterAutoConfiguration

    { @Bean public ApiVersionServerListFilter versionedFilter(DiscoveryClient discoveryClient, APIVersionFilterProperties properties) { return new APIVersionServerListFilter(properties.getServiceVersions(), discoveryClient); } ... }
  7. Выводы часть #1 • все не так сложно • лишних

    бинов нет, грузится только то, что надо
  8. Из чего состоит сервис? • API • Clients ◦ JSON

    ◦ SOAP • Cloud ◦ Discovery ◦ Config • Metrics ◦ Healthcheck ◦ Logs
  9. Из чего состоит сервис? • API • Clients ◦ JSON

    ◦ SOAP • Cloud ◦ Discovery ◦ Config • Metrics ◦ Healthcheck ◦ Logs • Data • Stream
  10. Отфильтруем друзей public class ServiceAPIVersionServerListFilter extends ZoneAffinityServerListFilter<Server> { ... @Override

    public List<Server> getFilteredListOfServers(List<Server> listOfServers) { if (listOfServers == null || listOfServers.isEmpty()) return listOfServers; List<ServiceInstance> infos = this.discoveryClient.getInstances(listOfServers.first() .getMetaInfo() .getServiceIdForDiscovery()); final List<ServiceInstance> versionedInstance = infos.stream() .filter(instanceInfo -> !versions.containsKey(instanceInfo.getServiceId().toLowerCase()) || checkVersion(versions.get(instanceInfo.getServiceId().toLowerCase()), instanceInfo.getMetadata().get(VERSION_FIELD))) .collect(Collectors.toList()); return listOfServers.stream() .filter(server -> checkServiceInstance(server, versionedInstance))
  11. Отфильтруем друзей public class ServiceAPIVersionServerListFilter extends ZoneAffinityServerListFilter<Server> { ... @Override

    public List<Server> getFilteredListOfServers(List<Server> listOfServers) { if (listOfServers == null || listOfServers.isEmpty()) return listOfServers; List<ServiceInstance> infos = this.discoveryClient.getInstances(listOfServers.first() .getMetaInfo() .getServiceIdForDiscovery()); final List<ServiceInstance> versionedInstance = infos.stream() .filter(instanceInfo -> !versions.containsKey(instanceInfo.getServiceId().toLowerCase()) || checkVersion(versions.get(instanceInfo.getServiceId().toLowerCase()), instanceInfo.getMetadata().get(VERSION_FIELD))) .collect(Collectors.toList()); return listOfServers.stream() .filter(server -> checkServiceInstance(server, versionedInstance))
  12. Отфильтруем друзей public class ServiceAPIVersionServerListFilter extends ZoneAffinityServerListFilter<Server> { ... @Override

    public List<Server> getFilteredListOfServers(List<Server> listOfServers) { if (listOfServers == null || listOfServers.isEmpty()) return listOfServers; List<ServiceInstance> infos = this.discoveryClient.getInstances(listOfServers.first() .getMetaInfo() .getServiceIdForDiscovery()); final List<ServiceInstance> versionedInstance = infos.stream() .filter(instanceInfo -> !versions.containsKey(instanceInfo.getServiceId().toLowerCase()) || checkVersion(versions.get(instanceInfo.getServiceId().toLowerCase()), instanceInfo.getMetadata().get(VERSION_FIELD))) .collect(Collectors.toList()); return listOfServers.stream() .filter(server -> checkServiceInstance(server, versionedInstance))
  13. Конфигурация фильтра eureka: client: registryFetchIntervalSeconds: 5 serviceUrl: defaultZone: ${EUREKA_SERV:http://127.0.0.1:8763/eureka/} instance:

    virtualHostName : ${spring.application.name} metadataMap: instanceId: ${spring.application.name}:${random.value} versions: 1.0 spring: discovery: filter: versions: someServiceId: 2.0
  14. Конфигурация фильтра eureka: client: registryFetchIntervalSeconds: 5 serviceUrl: defaultZone: ${EUREKA_SERV:http://127.0.0.1:8763/eureka/} instance:

    virtualHostName : ${spring.application.name} metadataMap: instanceId: ${spring.application.name}:${random.value} versions: 1.0 spring: discovery: filter: versions: someServiceId: 2.0
  15. EnvironmentPostProcessor public class PropertyTranslatorPostProcessor implements EnvironmentPostProcessor { @Override public void

    postProcessEnvironment(ConfigurableEnvironment env, SpringApplication application) { } translateClientVersionProperty(env); translateZuulRoutes(env); } … }
  16. EnvironmentPostProcessor`s Application ContextInitializer`s Application ReadyEvent Тут начинается Spring Ripper Application

    StartingEvent Application EnvironmentPreparedEvent Application PreparedEvent Context RefreshedEvent EmbeddedServlet Container InitializedEvent
  17. EnvironmentPostProcessor`s Application ContextInitializer`s Application ReadyEvent Тут начинается Spring Ripper Application

    StartingEvent Application EnvironmentPreparedEvent Application PreparedEvent Context RefreshedEvent EmbeddedServlet Container InitializedEvent
  18. EnvironmentPostProcessor`s Application ContextInitializer`s Application ReadyEvent Тут начинается Spring Ripper Application

    StartingEvent Application EnvironmentPreparedEvent Application PreparedEvent Context RefreshedEvent EmbeddedServlet Container InitializedEvent
  19. Выводы часть#2 Живешь со Spring - живи по правилам Spring.

    Доработка и расширение механизмов Spring должны быть в стартерах
  20. SOAP Services and Apache CXF ServiceDefinition.wsdl <definitions name = "HelloService"

    ... xmlns:tns = "http://www.examples.com/wsdl/HelloService.w <message name = "SayHelloRequest"> <part name = "firstName" type = "xsd:string"/> </message> <message name = "SayHelloResponse"> <part name = "greeting" type = "xsd:string"/> </message> <portType name = "Hello_PortType"> <operation name = "sayHello"> <input message = "tns:SayHelloRequest"/> <output message = "tns:SayHelloResponse"/> </operation> </portType> ... <service name = "Hello_Service">
  21. SOAP Services and Apache CXF ServiceDefinition.wsdl <definitions name = "HelloService"

    ... xmlns:tns = "http://www.examples.com/wsdl/HelloService.w <message name = "SayHelloRequest"> <part name = "firstName" type = "xsd:string"/> </message <message name = "SayHelloResponse"> <part name = "greeting" type = "xsd:string"/> </message> <portType name = "Hello_PortType"> <operation name = "sayHello"> <input message = "tns:SayHelloRequest"/> <output message = "tns:SayHelloResponse"/> </operation> </portType> ... <service name = "Hello_Service"> Java Stub wsdl2java tool
  22. SOAP Services and Apache CXF ServiceDefinition.wsdl Java Stub wsdl2java tool

    WS Stub in Spring Context Configure bean <beans> <jaxws:client id="codeClickDynamicFieldsWS" name="codeDynami serviceClass="ru.alfalab...wscodedynamicfields address="${lb.address.base}/WSCodeClickDynamic <jaxws:client id="clickPaymentPasswordWS" name="clickPayment serviceClass="ru.alfalab...wsclickpaymentpassw address="${lb.address.base}/WSClickPaymentPass ... <jaxws:client id="customerAddressCompleteWS" name="customerA serviceClass="ru.alfalab...wscustomeraddress22 address="${ws.address.base}/WSCustomerAddress/ <jaxws:client id="customerBaseInfoWS" name="customerInfo" serviceClass="ru.alfalab...wscustomerinfo9.WSC address="${lb.address.base}/WSCustomerInfo/WSC </beans>
  23. SOAP Services and Apache CXF ServiceDefinition.wsdl Java Stub wsdl2java tool

    WS Stub in Spring Context Configure bean <beans> <jaxws:client id="codeClickDynamicFieldsWS" name="codeDynami serviceClass="ru.alfalab...wscodedynamicfields address="${lb.address.base}/WSCodeClickDynamic <jaxws:client id="clickPaymentPasswordWS" name="clickPayment serviceClass="ru.alfalab...wsclickpaymentpassw address="${lb.address.base}/WSClickPaymentPass ... <jaxws:client id="customerAddressCompleteWS" name="customerA serviceClass="ru.alfalab...wscustomeraddress22 address="${ws.address.base}/WSCustomerAddress/ <jaxws:client id="customerBaseInfoWS" name="customerInfo" serviceClass="ru.alfalab...wscustomerinfo9.WSC address="${lb.address.base}/WSCustomerInfo/WSC </beans> Call Bean Inject ws bean
  24. SOAP Services and Apache CXF Apache CXF ServiceDefinition.wsdl Java Stub

    wsdl2java tool WS Stub in Spring Context Configure bean Call Bean Inject ws bean
  25. SOAP Services and Apache CXF Apache CXF ServiceDefinition.wsdl Java Stub

    wsdl2java tool WS Stub in Spring Context Configure bean Call Bean Inject ws bean
  26. <beans> <jaxws:client id="codeClickDynamicFieldsWS" name="codeDynamicFields" serviceClass="ru.alfalab...wscodedynamicfields32.WSCodeDynamicFields31PortType" address="${lb.address.base}/WSCodeClickDynamicFields/WSCodeDynamicFields11"/> <jaxws:client id="clickPaymentPasswordWS" name="clickPaymentPassword" serviceClass="ru.alfalab...wsclickpaymentpassword10.WSPaymentPassword13PortType"

    address="${lb.address.base}/WSClickPaymentPassword/WSPaymentPassword13"/> ... <jaxws:client id="customerAddressCompleteWS" name="customerAddressComplete" serviceClass="ru.alfalab...wscustomeraddress22.WSCustomerAddressCompletePortType" address="${ws.address.base}/WSCustomerAddress/WSCustomerAddressComplete22"/> <jaxws:client id="customerBaseInfoWS" name="customerInfo" serviceClass="ru.alfalab...wscustomerinfo9.WSCustomerInfo9PortType" address="${lb.address.base}/WSCustomerInfo/WSCustomerInfo9"/> </beans> WS – ты кто такой
  27. <beans> <jaxws:client id="codeClickDynamicFieldsWS" name="codeDynamicFields" serviceClass="ru.alfalab...wscodedynamicfields32.WSCodeDynamicFields31PortType" address="${lb.address.base}/WSCodeClickDynamicFields/WSCodeDynamicFields11"/> <jaxws:client id="clickPaymentPasswordWS" name="clickPaymentPassword" serviceClass="ru.alfalab...wsclickpaymentpassword10.WSPaymentPassword13PortType"

    address="${lb.address.base}/WSClickPaymentPassword/WSPaymentPassword13"/> ... <jaxws:client id="customerAddressCompleteWS" name="customerAddressComplete" serviceClass="ru.alfalab...wscustomeraddress22.WSCustomerAddressCompletePortType" address="${ws.address.base}/WSCustomerAddress/WSCustomerAddressComplete22"/> <jaxws:client id="customerBaseInfoWS" name="customerInfo" serviceClass="ru.alfalab...wscustomerinfo9.WSCustomerInfo9PortType" address="${lb.address.base}/WSCustomerInfo/WSCustomerInfo9"/> </beans> WS – ты кто такой
  28. 1. Добавить зависимость (WSDL/WS-STUB) 2. Настроить бины в ws.xml 3.

    Прописать адреса и настройки для добавленных сервисов ${lb.address.base} Как сделать новый RPC вызов
  29. Как сделать новый RPC вызов 1. Добавить зависимость (WSDL/WS-STUB) 2.

    Настроить бины в ws.xml 3. Прописать адреса и настройки для добавленных сервисов ${lb.address.base} И как это делается?
  30. Как сделать новый RPC вызов 1. Добавить зависимость (WSDL/WS-STUB) 2.

    Настроить бины в ws.xml 3. Прописать адреса и настройки для добавленных сервисов ${lb.address.base} И как это делается? Captain Copy-Paste
  31. Run Application ERROR [-,,,] 27393 --- [main] o.s.boot.SpringApplication: Application startup

    failed Error creating bean with name 'ru.alfabank...WSAccountClickPayment13PortType' defined in Apache CXF starter autoscan package: Add next properties to your application.yml file: spring.cxf: clients: - endpoint: http://SOME_HOST/SOME_PATH_TO_WS className: ru.alfabank.ws.cs.eq.wsaccountclickpayment13.WSAccountClickPayment13PortType
  32. ERROR [-,,,] 27393 --- [main] o.s.boot.SpringApplication: Application startup failed Error

    creating bean with name 'ru.alfabank...WSAccountClickPayment13PortType' defined in Apache CXF starter autoscan package: Add next properties to your application.yml file: spring.cxf: clients: - endpoint: http://SOME_HOST/SOME_PATH_TO_WS className: ru.alfabank.ws.cs.eq.wsaccountclickpayment13.WSAccountClickPayment13PortType Run Application
  33. ERROR [-,,,] 27393 --- [main] o.s.boot.SpringApplication: Application startup failed Error

    creating bean with name 'ru.alfabank...WSAccountClickPayment13PortType' defined in Apache CXF starter autoscan package: Add next properties to your application.yml file: spring.cxf: clients: - endpoint: http://SOME_HOST/SOME_PATH_TO_WS className: ru.alfabank.ws.cs.eq.wsaccountclickpayment13.WSAccountClickPayment13PortType Process finished with exit code 1 Run Application
  34. Автоматизируем? Classpath @WebService WSAccountClickPayment13PortType @WebService WSCardsTransactions12PortType @Component MySuperService @Other ...

    Find WS Classes @WebService WSAccountClickPayment13PortType @WebService WSCardsTransactions12PortType Spring Context BeanDefinition + BeanFactory WSAccountClickPayment13PortType BeanDefinition + BeanFactory WSCardsTransactions12PortType Configure Context
  35. Автоматизируем? Spring Context BeanDefinition + BeanFactory WSAccountClickPayment13PortType BeanDefinition + BeanFactory

    WSCardsTransactions12PortType Inject Spring Context @Component MyService BeanInstance WSCardsTransactions12PortType Configure Properties and Endpoints
  36. Автоматизируем? Spring Context BeanDefinition + BeanFactory WSAccountClickPayment13PortType BeanDefinition + BeanFactory

    WSCardsTransactions12PortType Inject Spring Context @Component MyService BeanInstance WSCardsTransactions12PortType Configure Properties and Endpoints Или падает с ошибкой если не настроен endpoint FAIL-FAST Error creating bean with name 'ru.alfabank...WSSomeServicet13PortType' defined in Apache CXF starter autoscan package: Add next properties to your application.yml file: spring.cxf: clients: - endpoint: http://SOME_HOST/SOME_PATH_TO_WS className: ru.alfabank....WSSomeServicet13PortType
  37. @Slf4j @Configuration @EnableConfigurationProperties @ConditionalOnProperty(name = "spring.cxf.client.enabled", matchIfMissing = true) public

    class CxfClientConfiguration { @Bean public CxfBeanDefinitionPostProcessor cxfBeanDefinitionPP(Environment environment) { return new CxfBeanDefinitionPostProcessor(environment); } @Bean public static BusWiringBeanFactoryPostProcessor jsr250BeanPostProcessor() { return new BusWiringBeanFactoryPostProcessor(); } @Bean public static BusExtensionPostProcessor busExtensionPostProcessor() { return new BusExtensionPostProcessor(); } @Slf4j @Configuration @ConditionalOnClass({SpringBus.class, JaxWsClientFactoryBean.class, ConfigurationPropertiesBindingPostProcessor.class}) @EnableConfigurationProperties({CxfClientsProperties.class, WSConfiguration.class}) public static class CxfClientFactoryAutoConfiguration { @Bean(name = CXF_WS_CLIENT_PROXY_FACTORY_DEFAULT_NAME) @ConditionalOnMissingBean(name = {CXF_WS_CLIENT_PROXY_FACTORY_DEFAULT_NAME}) CxfWsStubBeanFactory proxyWsBeanFactory( CxfClientsProperties cxfClientsProperties, Bus bus, CxfInterceptorConfigurer interceptorConfigurer ) { return new CxfWsStubBeanFactory( cxfClientsProperties, bus, interceptorConfigurer ); } Конфигурация библиотек @Bean @ConditionalOnMissingBean(CxfBusConfigurer.class) public CxfBusConfigurer cxfBusConfigurer(CxfClientsProperties cxfClientsProperties) { return new DefaultCxfBusConfigurer(cxfClientsProperties); } @Bean(destroyMethod = "shutdown") public Bus cxf(CxfBusConfigurer cxfBusConfigurer) { SpringBus bus = new SpringBus(); cxfBusConfigurer.configure(bus); return bus; } @Bean @ConditionalOnMissingBean(CxfInterceptorConfigurer.class) public CxfInterceptorConfigurer cxfInterceptorConfigurer( CxfInterceptorAnnotationProcessor cxfInterceptorAnnotationProcessor, BeanFactory beanFactory ) { return new CxfInterceptorConfigurer( beanFactory, cxfInterceptorAnnotationProcessor.getGlobalInterceptors(), cxfInterceptorAnnotationProcessor.getSpecificInterceptors() ); } @Bean @ConditionalOnMissingBean(CxfInterceptorAnnotationProcessor.class) public static CxfInterceptorAnnotationProcessor cxfInterceptorBFPP() { return new CxfInterceptorAnnotationProcessor(); } static final String CXF_WS_CLIENT_PROXY_FACTORY_DEFAULT_NAME = "CxfWsClientProxyFactory"; } }
  38. Конфигурация библиотек @Bean public CxfBeanDefinitionPostProcessor cxfBeanDefinitionPP(Environment env) { return new

    CxfBeanDefinitionPostProcessor(env); } @Bean public static BusWiringBeanFactoryPostProcessor jsr250BeanPostProcessor() { return new BusWiringBeanFactoryPostProcessor(); } @Bean public static BusExtensionPostProcessor busExtensionPostProcessor() { return new BusExtensionPostProcessor(); }
  39. Просто добавь зависимость dependencies { compileOnly 'org.springframework:spring-context-indexer:5.0.1.RELEASE' } # META-INF/spring.components

    o.s.t.f.APIVersionServerFilter=org.springframework.stereotype.Component o.s.t.f.APIVersionFilterHelper=org.springframework.stereotype.Component ...
  40. Просто добавь зависимость dependencies { compileOnly 'org.springframework:spring-context-indexer:5.0.1.RELEASE' } # META-INF/spring.components

    o.s.t.f.APIVersionServerFilter=org.springframework.stereotype.Component o.s.t.f.APIVersionFilterHelper=org.springframework.stereotype.Component ... Классы связанный проаннотированный аннотацией Spring`а
  41. Просто добавь зависимость dependencies { compileOnly 'org.springframework:spring-context-indexer:5.0.1.RELEASE' } # META-INF/spring.components

    o.s.t.f.APIVersionServerFilter=org.springframework.stereotype.Component o.s.t.f.APIVersionFilterHelper=org.springframework.stereotype.Component ... Чем проаннотировано
  42. Выводы 1. Не магия, а скрытые возможности 2. Создавать стартеры

    просто и не грешно 3. Ничего лишнего там не грузится и множество стартеров - не обязательно медленный старт 4. Сложность перетекает постепенно и ее надо выносить из сервиса с бизнес-логикой по максимуму
  43. Выводы 1. Не магия, а скрытые возможности 2. Создавать стартеры

    просто и не грешно 3. Ничего лишнего там не грузится и множество стартеров - не обязательно медленный старт 4. Сложность перетекает постепенно и ее надо выносить из сервиса с бизнес-логикой по максимуму
  44. Выводы 1. Не магия, а скрытые возможности 2. Создавать стартеры

    просто и не грешно 3. Ничего лишнего там не грузится и множество стартеров - не обязательно медленный старт 4. Сложность перетекает постепенно и ее надо выносить из сервиса с бизнес-логикой по максимуму Все стало проще? Да ладно?!
  45. Gradle transactions-api: dependencies { compile 'hazelcast:3.6.9' compile 'redis:1.1.1' compile 'mongodb:3.6.0'

    compile 'hazelcast-starter:1.0.0' compile 'redis-starter:0.2.0' compile 'mongodb-starter:0.2.0' … } task testReport(type: TestReport) { … } jacocoTestCoverageVerification { … } … ~200 lines
  46. Gradle transactions-api: dependencies { compile 'hazelcast:3.6.9' compile 'redis:1.1.1' compile 'mongodb:3.6.0'

    compile 'hazelcast-starter:1.0.0' compile 'redis-starter:0.2.0' compile 'mongodb-starter:0.2.0' … } transactions-api: dependencies { compile 'hazelcast:3.6.9' compile 'redis:1.1.1' compile 'mongodb:3.6.0' compile 'fat-starter:100.50.0' } task testReport(type: TestReport) { … } jacocoTestCoverageVerification { … } … ~200 lines
  47. Gradle transactions-api: dependencies { compile … compile … } offers-api:

    dependencies { compile … compile … } ... accounts-api: dependencies { compile … compile … } settings-api: dependencies { compile … compile … } ... transfer-api: dependencies { compile … compile … } payment-api: dependencies { compile … compile … } ...
  48. Gradle transactions-api: dependencies { compile … compile … } offers-api:

    dependencies { compile … compile … } ... accounts-api: dependencies { compile … compile … } settings-api: dependencies { compile … compile … } ... transfer-api: dependencies { compile … compile … } payment-api: dependencies { compile … compile … } ... Captain Copy-Paste
  49. build.gradle: apply plugin: "version.plugin" apply plugin: "maven.plugin" apply plugin: "check.plugin"

    apply plugin: "findbugs.plugin" apply plugin: "verify.plugin" apply plugin: "publish.plugin" apply plugin: "awesome.plugin" 149 Декларативный подход
  50. • class MyPlugin implements Plugin<Project> { void apply(Project project) {

    project.configure { dependencies { compile … compile … } } } } Сила в композиции 150
  51. • class MyPlugin implements Plugin<Project> { void apply(Project project) {

    project.configure { dependencies { compile … compile … } } project.plugins.apply(AddGitTagPlugin) project.plugins.apply(UserInfoPlugin) } } Сила в композиции 151
  52. • class MyPlugin implements Plugin<Project> { void apply(Project project) {

    project.configure { dependencies { compile … compile … } } project.plugins.apply(AddGitTagPlugin) project.plugins.apply(UserInfoPlugin) project.tasks.withType(SomeTaskType) { //configure } } } 152 Сила в композиции
  53. Сила в композиции apply plugin: "your.plugin.all" //2.1.+ 154 Автоапдейт минорных

    версий Путь героев – но это уже другая история