EurekaController
PeerAwareInstanceRegistry
Filter
————————————
eureka启动过程
EurekaServerInitializerConfiguration
SmartLifecycle
DefaultLifecycleProcessor#onRefresh
EurekaServerInitializerConfiguration#start
EurekaServerBootstrap#contextInitialized
EurekaServerBootstrap#initEurekaServerContext
registry.syncUp();
PeerAwareInstanceRegistryImpl#syncUp:同步注册信息