zuul gateway

Zuul as a gateway service, is the other services to the external transit station, through the Zuul request forwarding. This involves some of the data can not be returned intact, such as the communication between the service credentials, the user's encrypted information and so on. The code in this article has been submitted to: Https://gitee.com/cmlbeliever/spring

Zuul permission check, interface current limit I. Authority verification and Construction Normal project development, the permission check can consider JWT and springsecurity combination of permission check, this later will summarize, here do a zuulfilter filter based on a simple permission check filtering. For the component Zuul, in fact, with the function of authorization authentication, that is Zuulf

-zuulserver:port: 8040eureka:client:service -url:defaultzone:http: // user: [Emailprotected]:8761/eureka Instance:prefer -ip-address: true zuul:routes:abc:path: /user-path/** Serviceid:microservice-provider-user Spring: application: name:microservice-gateway-zuulserver: 8040Eureka: Client: service-URL: defaultzone:http://user:[email protected]:8761/ Eureka instance: prefertrueZuul: routes: ABC: /user-url/** htt

Spring cloud builds the microservice architecture GateWay (API GateWay), springcloud Preface As mentioned in our previous blog, when service A needs to call service B, it only needs to obtain the registered instance of Service B from Eureka and then use Feign to call service B, ribbon is used to achieve load balancing. However, when we expose multiple services to the client at the same time, how does the cl

slower, the thread default life is one minute.————————————————————————————————— Split Line ———————————————————————————————————————Zuul default is to use semaphore isolation, and the size of the semaphore is 100, the requested concurrent thread more than 100 will be an errorYou can increase the maximum value of the semaphore to improve performance by configuring the following:Zuul: semaphore: 5000You can also use thread isolation instead, resizing

In previous versions of Edgware.release, the Zuul Gateway had a Zuulfallbackprovider interface with the following code:Public interface Zuulfallbackprovider {/** * The route this fallback would be a used for. * @return The route the fallback WI ll be used for. */public String Getroute ();/** * provides a fallback response. * @return the fallback response. */public clienthttpresponse fallbackresponse ();}whe

Why to use ZuulLet's take a look at the diagram below.If we now have four microservices, which are users, orders, payments, and collection microservices, they are invoked using HTTP, restful, thrift, Kafka, respectively. This time if we call the client directly in the sense is not too much effort, the client needs to maintain these methods of invocation of the client, if the late addition of micro-services or reduce or replace the call mode, etc., need to modify the client. So let's see what it'

This essay goes on to learn a more important Component API Gateway service in MicroServices. When we finally have to provide external access to the micro-service architecture, we need a unified access portal, to hide our internal service URL details, which is a bit like the concept of the gateway in the LAN, this is the API Gateway Service has emerged. API

, we need to do some functional splitting of a service, splitting some of the functionality originally belonging to the Api-a service into another completely new service Api-a-part, and these split external call URL paths would want to conform to the rules/api-a/part/**.Zuul.routes.api-a.path=/api-a/* * zuul.routes.api-a.service-id=api-a zuul.routes.api-a-part.path=/ api-a/part/** Zuul.routes.api-a-part.service-id=api-a-partIn the source code, the routing rules are saved through Linkedhashmap, t