zuul gateway

Spring cloud zuul Method for modifying the request url Preface In daily development, in addition to modifying the request parameters, setting the response header, and responding to the body, there is also a need for url re-modification or url modification. Here we will briefly describe how to modify the url in zuul. Let's take a look at the detailed introduction. Forwarding Configuration demo: ribbon: NIWS

At present the project structure is vue to do front-end, back-end adoption of micro-service architecture, in the development of the front-end need to cross-domain request data, through the Corsconfig configuration to solve the simple cross-domain request. However, when the token information needs to be added to the header of the request, there is a case where the request fails, and the browser and background are prompted for the options type request.After searching for the data, after the header

An API gateway is a server that is the only portal to the system. From an object-oriented design perspective, it is similar to the appearance pattern. The API gateway encapsulates the system's internal architecture and provides a custom API for each client. It may also have other responsibilities, such as authentication, monitoring, load balancing, caching, request fragmentation and management, and static r

First, real-time monitoringThe user clicks on the service instance, the system displays the list of APIs under service instance-version,The user clicks on the following two icons for an API1, API request number monitoringHorizontal axis: Time, granularity is minuteLongitudinal axis: Number of requests for accessDisplay: Number of failures (red), number of successes (green), total (yellow), "Click Red, display the list of failed logs, click the failure log, and the tree shows the local request en

PackageCom.itmuch.cloud;Importorg.springframework.boot.SpringApplication;Importorg.springframework.boot.autoconfigure.SpringBootApplication;ImportOrg.springframework.cloud.netflix.zuul.EnableZuulProxy;ImportOrg.springframework.cloud.netflix.zuul.filters.discovery.PatternServiceRouteMapper;ImportOrg.springframework.context.annotation.Bean, @SpringBootApplication @enablezuulproxy Public classzuulapplication { Public Static voidMain (string[] args) {Springapplication.run (zuulapplication.class, arg

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'

First, create a gateway sideways 1, Client identity (oauth_client_details) 1.1, data structure1.2. Interface codeid= "formdto" class= "form-horizontal" action= "/spring-oauth-server/register_ Client " method="post "> 1.3. Backstage CodeFinal String sql = "INSERT INTO Oauth_client_details (client_id,resource_ids,client_secret,scope,authorized_grant_ Types,web_server_redirect_uri, "+Authorities,access_token_validity,refresh_token_validity,additio

instance 1.It is visible that the retry mechanism is in effect. At this point, observe http://localhost:3333/autoconfig, below the negativematches, you will see the following configuration:Paste_image.png By observing the source of the Ribbonautoconfiguration class, you can see the following code: @Bean @ConditionalOnMissingClass (value = "org.springframework.retry.support.RetryTemplate") public Loadbalancedretrypolicyfactory neverretrypolicyfactory () { return new Loadbalancedretrypolicyfa