我试图根据某些条件将所有请求转发到我的API到单个端点。将所有Zuul代理请求动态重新路由到单个URL
的Gateway
应用程序运行在8080
我创建了以下过滤器端口:
public class OutagePeriodFilter extends ZuulFilter {
@Override
public String filterType() {
return "route";
}
@Override
public int filterOrder() {
return 0;
}
@Override
public boolean shouldFilter() {
return isOutagePeriod();
}
@Override
public Object run() {
RequestContext ctx = RequestContext.getCurrentContext();
HttpServletRequest request = ctx.getRequest();
// if outage - redirect everyone to http://localhost:8082/outage
try {
String url = UriComponentsBuilder.fromHttpUrl("http://localhost:8082").path("/outage").build()
.toUriString();
ctx.setRouteHost(new URL(url));
} catch(MalformedURLException mue) {
log.error("Cannot forward to outage period website");
}
return null;
}
private boolean isOutagePeriod() {
// returns true if outage
}
}
但是发出请求到http://localhost:8080/alerts/public
后,我的API日志显示:
2017-03-03 16:11:30.735 EST 0037 DEBUG o.s.s.w.u.matcher.AntPathRequestMatcher : Checking match of request : '/outage/alerts/public'; against '/beans/'
对于某些原因,它将原始路径附加到重定向路径,导致请求/outage/alerts/public
wh ich不存在。我想向/outage
发出请求。
正如调用ctx.setRouteHost()
时在我的过滤器中放置断点,显示正确的URL(http://10.50.36.43:8082/outage/
)。
我application.properties
:
zuul.routes.api.path=/api/** zuul.routes.api.url=http://localhost:8082/