使用Spring Cloud Config实现集中配置并发布为Docker微服务.pdf

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1、3/2/2017使用SpringCloudConfig实现集中配置并发布为Docker微服务2017年2月一、SpringCloud用来解决什么问题SpringCloud是Pivotal提供的用于简化分布式系统构建的工具集，开源软件。SpringCloud为开发人员提供了工具，快速建立分布式系统中的一些常见的模式（例如配置管理，服务发现，断路器，智能路由，微代理，控制总线，一次性令牌，全局锁，领导选举，分布式会话，集群状态……）。SpringCloud基于SpringBoot等工具集，Spring有一套解决方案。13/2/2017一、SpringCloud用来解决什么问题•Cent

2、ralizedexternalconfigurationmanagementbackedbyagitrepository.TheconfigurationresourcesmapdirectlytoSpringCloudConfigSpring`Environment`butcouldbeusedbynon‐Springapplicationsifdesired.SpringCloudNetflix•IntegrationwithvariousNetflixOSScomponents(Eureka,Hystrix,Zuul,Archaius,etc.).•Aneventbusfor

3、linkingservicesandserviceinstancestogetherwithdistributedmessaging.UsefulforpropagatingSpringCloudBusstatechangesacrossacluster(e.g.configchangeevents).•IntegratesyourapplicationwithPivotalCloudfoundry.ProvidesaservicediscoveryimplementationandalsomakesitSpringCloudforCloudFoundryeasytoimpleme

4、ntSSOandOAuth2protectedresources,andalsotocreateaCloudfoundryservicebroker.SpringCloudCloudFoundryService•ProvidesastartingpointforbuildingaservicebrokerthatmanagesaCloudFoundrymanagedservice.Broker•LeadershipelectionandcommonstatefulpatternswithanabstractionandimplementationforZookeeper,Redis

5、,SpringCloudClusterHazelcast,Consul.SpringCloudConsul•ServicediscoveryandconfigurationmanagementwithHashicorpConsul.SpringCloudSecurity•Providessupportforload‐balancedOAuth2restclientandauthenticationheaderrelaysinaZuulproxy.SpringCloudSleuth•DistributedtracingforSpringCloudapplications,compat

6、iblewithZipkin,HTraceandlog‐based(e.g.ELK)tracing.一、SpringCloud用来解决什么问题SpringCloudDataFlow•Acloud‐nativeorchestrationserviceforcomposablemicroserviceapplicationsonmodernruntimes.Easy‐to‐useDSL,drag‐and‐dropGUI,andREST‐APIstogethersimplifiestheoverallorchestrationofmicroservicebaseddatapipeline

7、s.SpringCloudStream•Alightweightevent‐drivenmicroservicesframeworktoquicklybuildapplicationsthatcanconnecttoexternalsystems.SimpledeclarativemodeltosendandreceivemessagesusingApacheKafkaorRabbitMQbetweenSpringBootapps.SpringCloudStreamA