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Version: 2.4.0

Application Client Access Config

Application client access means to access your microservice to ShenYu gateway, currently supports HTTP, Dubbo, Spring Cloud, gRPC, Motan, Sofa, Tars and other protocols access.

Connecting the application client to ShenYu gateway is realized through the registration center, which involves the registration of the client and the synchronization of the server data. The registry supports HTTP, ZooKeeper, Etcd, Consul, and Nacos.

This article describes how to configure the application client to access the Apache ShenYu gateway. For related principles, see Application Client Access in the design document .

Http Registry Config#

shenyu-admin config#

Set the register type to http in the yml file. The configuration information is as follows:

shenyu:  register:    registerType: http    props:      checked: true  # is checked      zombieCheckTimes: 5 # how many times does it fail to detect the service      scheduledTime: 10 # timed detection interval time

shenyu-client config#

The following shows the configuration information registered through Http when the Http service accesses the Apache ShenYu gateway as a client. Other clients (such as Dubbo and Spring Cloud) can be configured in the same way.

shenyu:  client:    registerType: http    serverLists: http://localhost:9095    props:      contextPath: /http      appName: http      port: 8188        isFull: false# registerType : register type, set http# serverList: when register type is http，set shenyu-admin address list，pls note 'http://' is necessary.# port: your project port number; apply to springmvc/tars/grpc# contextPath: your project's route prefix through shenyu gateway, such as /order ，/product etc，gateway will route based on it.# appName：your project name,the default value is`spring.application.name`.# isFull: set true means providing proxy for your entire service, or only a few controller. apply to springmvc/springcloud

Zookeeper Registry Config#

shenyu-admin config#

First add the related dependencies to the pom file (already added by default) :

        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-server-zookeeper</artifactId>            <version>${project.version}</version>        </dependency>
  • In the yml file, set the register type to zookeeper and enter the service address and parameters of zookeeper. The configuration information is as follows:
shenyu:  register:    registerType: zookeeper    serverLists: localhost:2181    props:      sessionTimeout: 5000      connectionTimeout: 2000

shenyu-client config#

The following shows the configuration information registered by zookeeper when the Http service accesses the Apache ShenYu gateway as a client. Other clients (such as Dubbo and Spring Cloud) can be configured in the same way.

  • First add dependencies to the pom file:
        <!-- apache shenyu zookeeper register center -->        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-client-zookeeper</artifactId>            <version>${shenyu.version}</version>        </dependency>
  • Then set the register type to zookeeper in yml and enter the service address and related parameters as follows:
shenyu:  client:    registerType: zookeeper    serverLists: localhost:2181    props:      contextPath: /http      appName: http      port: 8189        isFull: false# registerType : register type, set zookeeper# serverList: when register type is zookeeper，set zookeeper address list# port: your project port number; apply to springmvc/tars/grpc# contextPath: your project's route prefix through shenyu gateway, such as /order ，/product etc，gateway will route based on it.# appName：your project name,the default value is`spring.application.name`.# isFull: set true means providing proxy for your entire service, or only a few controller. apply to springmvc/springcloud

Etcd Registry Config#

shenyu-admin config#

First add the related dependencies to the pom file (already added by default) :

        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-server-etcd</artifactId>            <version>${project.version}</version>        </dependency>
  • Then set register type to etcd in yml and enter etcd service address and parameters. The configuration information is as follows:
shenyu:  register:    registerType: etcd    serverLists : http://localhost:2379

shenyu-client config#

The following shows the configuration information registered by Etcd when the Http service accesses the Apache ShenYu gateway as a client. Other clients (such as Dubbo and Spring Cloud) can be configured in the same way.

  • First add dependencies to the pom file:
        <!-- apache shenyu etcd register center -->        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-client-etcd</artifactId>            <version>${shenyu.version}</version>        </dependency>
  • Then set the register type to etcd in yml and enter the etcd service address and related parameters as follows:
shenyu:  client:    registerType: etcd     serverLists: http://localhost:2379    props:      contextPath: /http      appName: http      port: 8189        isFull: false# registerType : register type, set etcd # serverList: when register type is etcd, add etcd address list# port: your project port number; apply to springmvc/tars/grpc# contextPath: your project's route prefix through shenyu gateway, such as /order ，/product etc，gateway will route based on it.# appName：your project name,the default value is`spring.application.name`.# isFull: set true means providing proxy for your entire service, or only a few controller. apply to springmvc/springcloud

Consul Registry Config#

shenyu-admin config#

First add the related dependencies to the pom file :

        <!-- apache shenyu consul register start-->        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-server-consul</artifactId>            <version>${project.version}</version>        </dependency>
        <!--spring-cloud-starter-consul-discovery need add by yourself, suggest use 2.2.6.RELEASE version, other version maybe can't work-->        <dependency>            <groupId>org.springframework.cloud</groupId>            <artifactId>spring-cloud-starter-consul-discovery</artifactId>            <version>2.2.6.RELEASE</version>        </dependency>        <!-- apache shenyu consul register end-->
  • In the yml file to configure the registry as consul, you also need to configure spring.cloud.consul, the configuration information is as follows:
shenyu:  register:    registerType: consul    props:      delay: 1      wait-time: 55
spring:  cloud:    consul:      discovery:        instance-id: shenyu-admin-1        service-name: shenyu-admin        tags-as-metadata: false      host: localhost      port: 8500
# registerType : register type, set consul.# delay: The interval of each polling of monitoring metadata, in seconds, the default value is 1 second.# wait-time: The waiting time for each polling of metadata monitoring, in seconds, the default value is 55 second.# instance-id: Required, Consul needs to find specific services through instance-id.# service-name: The name where the service is registered to consul. If not configured, the value of `spring.application.name` will be taken by default.# host: Consul server host, the default value is localhost.# port: Consul server port, the default value is 8500.# tags-as-metadata: false, Required, This option must be set to false, otherwise the URI information will not be found, will cause to selector and upstream cache unable to update.

shenyu-client config#

Note that the consul registry is currently incompatible with the Spring Cloud service and will conflict with the Eureka/Nacos registry.

The following shows the configuration information registered by Consul when the Http service accesses the Apache ShenYu gateway as a client. Other clients (such as Dubbo and Spring Cloud) can be configured in the same way.

  • First add dependencies to the pom file:
        <!-- apache shenyu consul register center -->        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-client-consul</artifactId>            <version>${shenyu.version}</version>        </dependency>
        <dependency>           <groupId>org.springframework.cloud</groupId>           <artifactId>spring-cloud-starter-consul-discovery</artifactId>           <version>2.2.6.RELEASE</version>        </dependency>
  • Then set the register type to consul in yml and config spring.cloud.consul, and related parameters as follows:
shenyu:  client:    registerType: consul     props:      contextPath: /http      appName: http      port: 8188        isFull: false
spring:  cloud:    consul:      discovery:        instance-id: shenyu-http-1        service-name: shenyu-http      host: localhost      port: 8500# registerType : register type, set consul.# port: your project port number; apply to springmvc/tars/grpc# contextPath: your project's route prefix through shenyu gateway, such as /order ，/product etc，gateway will route based on it.# appName：your project name,the default value is`spring.application.name`.# isFull: set true means providing proxy for your entire service, or only a few controller. apply to springmvc# instance-id: Required, Consul needs to find specific services through instance-id.# service-name: The name where the service is registered to consul. If not configured, the value of `spring.application.name` will be taken by default.# host: Consul server host, the default value is localhost.# port: Consul server port, the default value is 8500.

Nacos Registry Config#

shenyu-admin config#

First add the related dependencies to the pom file (already added by default) :

        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-server-nacos</artifactId>            <version>${project.version}</version>        </dependency>
  • Then in the yml file, configure the registry as nacos, fill in the related nacos service address and parameters, and nacos namespace (need to be consistent with shenyu-client), the configuration information is as follows:
shenyu:  register:    registerType: nacos    serverLists : localhost:8848    props:      nacosNameSpace: ShenyuRegisterCenter

shenyu-client config#

The following shows the configuration information registered by Nacos when the Http service accesses the Apache ShenYu gateway as a client. Other clients (such as Dubbo and Spring Cloud) can be configured in the same way.

  • First add dependencies to the pom file:
        <dependency>            <groupId>org.apache.shenyu</groupId>            <artifactId>shenyu-register-client-nacos</artifactId>            <version>${shenyu.version}</version>        </dependency>
  • Then in yml configure registration mode as nacos, and fill in nacos service address and related parameters, also need nacos namespace (need to be consistent with shenyu-admin), IP (optional, then automatically obtain the local IP address) and port, configuration information is as follows:
shenyu:  client:    registerType: nacos    serverLists: localhost:8848    props:      contextPath: /http      appName: http      port: 8188        isFull: false      nacosNameSpace: ShenyuRegisterCenter# registerType : register type, set nacos # serverList: when register type is nacos, add nacos address list# port: your project port number; apply to springmvc/tars/grpc# contextPath: your project's route prefix through shenyu gateway, such as /order ，/product etc，gateway will route based on it.# appName：your project name,the default value is`spring.application.name`.# isFull: set true means providing proxy for your entire service, or only a few controller. apply to springmvc/springcloud# nacosNameSpace: nacos namespace

In conclusion, this paper mainly describes how to connect your microservices (currently supporting Http, Dubbo, Spring Cloud, gRPC, Motan, Sofa, Tars and other protocols) to the Apache ShenYu gateway. the Apache ShenYu gateway support registry has Http, Zookeeper, Etcd, Consul, Nacos and so on. This paper introduces the different ways to register configuration information when Http service is used as the client to access Apache ShenYu gateway.