zuul集成apollo实现路由配置的动态刷新
代码语言：javascript复制import com.ctrip.framework.apollo.model.ConfigChangeEvent;
import com.ctrip.framework.apollo.spring.annotation.ApolloConfigChangeListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.context.environment.EnvironmentChangeEvent;
import org.springframework.cloud.netflix.zuul.RoutesRefreshedEvent;
import org.springframework.cloud.netflix.zuul.filters.RouteLocator;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
@Component
public class ZuulPropertiesRefresher implements ApplicationContextAware {
private static final Logger logger = LoggerFactory.getLogger(ZuulPropertiesRefresher.class);
private ApplicationContext applicationContext;
@Autowired
private RouteLocator routeLocator;
@ApolloConfigChangeListener(interestedKeyPrefixes = "zuul.")
public void onChange(ConfigChangeEvent changeEvent) {
refreshZuulProperties(changeEvent);
}
private void refreshZuulProperties(ConfigChangeEvent changeEvent) {
logger.info("Refreshing zuul properties!");
/**
* rebind configuration beans, e.g. ZuulProperties
* @see org.springframework.cloud.context.properties.ConfigurationPropertiesRebinder#onApplicationEvent
*/
this.applicationContext.publishEvent(new EnvironmentChangeEvent(changeEvent.changedKeys()));
/**
* refresh routes
* @see org.springframework.cloud.netflix.zuul.ZuulServerAutoConfiguration.ZuulRefreshListener#onApplicationEvent
*/
this.applicationContext.publishEvent(new RoutesRefreshedEvent(routeLocator));
logger.info("Zuul properties refreshed!");
}
@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
}
