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Version: 2.5.0

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:  register:    registerType: http    serverLists: http://localhost:9095    props:      username: admin      password: 123456  client:    http:      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#

Please pay attention! From ShenYu 2.5.0, ShenYu will no longer support Zookeeper 3.4.x or below version. If you're already using Zookeeper, You need to use Zookeeper with a higher version and initialize the data.

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-server-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:  register:    registerType: zookeeper    serverLists: localhost:2181  client:    http:        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    props:      etcdTimeout: 5000      etcdTTL: 5

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-server-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:  register:    registerType: etcd     serverLists: http://localhost:2379  client:    http:        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>${project.version}</version>        </dependency>
        <!-- apache shenyu consul register start -->        <dependency>            <groupId>com.ecwid.consul</groupId>            <artifactId>consul-api</artifactId>            <version>${consul.api.version}</version>        </dependency>        <!-- apache shenyu consul register end-->
  • In the yml file to configure the registry as consul, the unique configuration of consul is configured under the props node, the configuration information is as follows:
shenyu:  register:    registerType: consul    serverLists: localhost:8500    props:      delay: 1      wait-time: 55      name: shenyuAdmin      instanceId: shenyuAdmin      hostName: localhost      port: 8500      tags: test1,test2      preferAgentAddress: false      enableTagOverride: false
# registerType : register type, set consul.# serverLists: consul client agent address (sidecar deployment (single machine or cluster), or the address of consul server agent (only one node of consul server agent can be connected, if it is a cluster, then there will be a single point of failure))# 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.# instanceId: Required, Consul needs to find specific services through instanceId.# name: The name where the service is registered to consul. # hostName: When registering the type for consul, fill in the address of the registered service instance. The service instance address registered in the registry will not be used for client calls, so this configuration does not need to be filled in. Port and preferAgentAddress are the same.# port: When registering the type for consul, fill in the port of the registered service instance.# tags: Corresponding to the tags configuration in the consul configuration# preferAgentAddress：Using the address corresponding to the agent on the consul client side as the address of the registered service instance will override the manual configuration of hostName# enableTagOverride：Corresponding to the enableTagOverride configuration in the consul configuration

shenyu-client config#

Register configuration information through the Consul method (the registry of the springCloud service itself can be selected at will, and there will be no conflict with the registry selected by shenyu, eureka is used in the example).

  • 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>
  • Then set the register type to consul in yml and config shenyu.register.props, and related parameters as follows:
shenyu:  register:  registerType: consul  serverLists: localhost:8500  props:    name: shenyuSpringCloudExample    instanceId: shenyuSpringCloudExample    hostName: localhost    port: 8500    tags: test1,test2    preferAgentAddress: false    enableTagOverride: falseclient:  springCloud:    props:      contextPath: /springcloud      port: 8884# registerType : register type, set consul.# serverLists: consul client agent address (sidecar deployment (single machine or cluster), or the address of consul server agent (only one node of consul server agent can be connected, if it is a cluster, then there will be a single point of failure))# 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.# instanceId: Required, Consul needs to find specific services through instanceId.# name: The name where the service is registered to consul. # hostName: When registering the type for consul, fill in the address of the registered service instance. The service instance address registered in the registry will not be used for client calls, so this configuration does not need to be filled in. Port and preferAgentAddress are the same.# port: When registering the type for consul, fill in the port of the registered service instance.# tags: Corresponding to the tags configuration in the consul configuration# preferAgentAddress：Using the address corresponding to the agent on the consul client side as the address of the registered service instance will override the manual configuration of hostName# enableTagOverride：Corresponding to the enableTagOverride configuration in the consul configuration

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:  register:    registerType: nacos    serverLists: localhost:8848    props:      nacosNameSpace: ShenyuRegisterCenter  client:    http:        props:            contextPath: /http            appName: http            port: 8188              isFull: false# 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

Register different type API at same time#

follow example use the http and dubbo.

the yml configuration like follow:

shenyu:  register:    registerType: nacos    serverLists: localhost:8848  client:    http:        props:            contextPath: /http            appName: http            port: 8188              isFull: false    dubbo:        props:            contextPath: /dubbo            appName: dubbo            port: 28080    props:      nacosNameSpace: ShenyuRegisterCenter# registerType : register type, set nacos # serverList: when register type is nacos, add nacos address list# http.port: your project port number; apply to springmvc# http.contextPath: your project's route prefix through shenyu gateway, such as /order ，/product etc，gateway will route based on it.# http.appName：your project name,the default value is`spring.application.name`.# http.isFull: set true means providing proxy for your entire service, or only a few controller. apply to springmvc/springcloud# dubbo.contextPath: your project dubbo service's context path# dubbo.port: your project dubbo rpc port# dubbo.appName: your project dubbo appliation name# 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.