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Version: v1.23.x LTS

Discovery Service configuration parameters

Discovery Service configuration parameters

Zowe runtime configuration parameters#

As an application developer who wants to run Zowe, set the following parameters during the Zowe runtime configuration by modifying the <Zowe install directory>/components/discovery/bin/start.sh file:

API ML configuration#

  • apiml.discovery.userid

    The Discovery service in HTTP mode protects it's endpoints with basic authentication instead of client certificate. This parameter specifies the userid. The default value is eureka.

  • apiml.discovery.password

    This parameter specifies the password for the basic authentication used by the Discovery Service in HTTP mode. The default value is password.

  • apiml.discovery.allPeersUrls

    This parameter contains the list of URLs of the Discovery Service in case of multiple instances of the service on different host. Example:

    apiml:    discovery:        allPeersUrls: https://localhost2:10021/eureka/,https://localhost3:10031/eureka/

    Note: Each URL within the list must be separated by a comma.

  • apiml.discovery.staticApiDefinitionsDirectories

    The static definition directories can be specified as a parameter at startup and will be scanned by the Discovery Service. These directories contains the definitions of static services. Example:

      ```yaml  apiml:      discovery:          staticApiDefinitionsDirectories: config/local/api-defs;config/local2/api-defs

Eureka configuration#

The Discovery Service contains a configuration for implementing the client-side service discovery and for defining a Eureka Server for service registry. Such configuration is shown below:

eureka:    instance:        hostname: ${apiml.service.hostname}        ipAddress: ${apiml.service.ipAddress}        port: ${server.port}        securePort: 0        nonSecurePortEnabled: true        securePortEnabled: false        preferIpAddress: ${apiml.service.preferIpAddress}        statusPageUrl: http://${apiml.service.hostname}:${apiml.service.port}/application/info        healthCheckUrl: http://${apiml.service.hostname}:${apiml.service.port}/application/health    client:        registerWithEureka: true        fetchRegistry: true        region: default        serviceUrl:            defaultZone: ${apiml.discovery.allPeersUrls}    server:        useReadOnlyResponseCache: false
  • eureka.client.registerWithEureka If we make this property as true then while the server starts the inbuilt client will try to register itself with the Eureka server.

  • eureka.client.registerWithEureka The inbuilt client will try to fetch the Eureka registry if we configure this property as true.

  • eureka.client.serviceUrl.defaultZone A fallback value that provides the Eureka service URL for any client that does not express a preference (in other words, it is a useful default).

More information about the other Eureka parameters can be found in the Spring Cloud Netflix Eureka documentation.