OpenStack4j中怎么实现一个对外接口

OpenStack4j中怎么实现一个对外接口 ，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。

在项目中增加maven依赖包

  org.pacesys  openstack4j  3.0.3  withdeps

通过权限认证

import org.openstack4j.api.OSClient.OSClientV3;import org.openstack4j.openstack.OSFactory;import org.openstack4j.model.common.Identifier;# use Identifier.byId("domainId") or Identifier.byName("example-domain")Identifier domainIdentifier = Identifier.byId("domainId");# unscoped authentication# as the username is not unique across domains you need to provide the domainIdentifierOSClientV3 os = OSFactory.builderV3()                       .endpoint("http://127.0.0.1:5000/v3")                       .credentials("admin","sample", domainIdentifier)                       .authenticate();# project scoped authenticationOSClientV3 os = OSFactory.builderV3()                    .endpoint("http://127.0.0.1:5000/v3")                    .credentials("admin", "secret", Identifier.byName("example-domain"))                    .scopeToProject(Identifier.byId(projectIdentifier))                    .authenticate();# domain scoped authentication# using the unique userId does not require a domainIdentifierOSClientV3 os = OSFactory.builderV3()                    .endpoint("http://127.0.0.1:5000/v3")                    .credentials("userId", "secret")                    .scopeToDomain(Identifier.byId(domainIdentifier))                    .authenticate();# Scoping to a project just by name isn't possible as the project name is only unique within a domain. # You can either use this as the id of the project is unique across domains OSClientV3 os = OSFactory.builderV3() .endpoint("http://127.0.0.1:5000/v3") .credentials("userId", "secret") .scopeToProject(Identifier.byName(projectName), Identifier.byName(domainName)) .authenticate(); # Or alternatively OSClientV3 os = OSFactory.builderV3() .endpoint("http://127.0.0.1:5000/v3") .credentials("userId", "secret") .scopeToDomain(Identifier.byName(domainName)) .authenticate();

常用模块调用

// Find all UsersList users = os.identity().users().list();// List all TenantsList tenants = os.identity().tenants().list();// Find all Compute FlavorsList flavors = os.compute().flavors().list();// Find all running ServersList servers = os.compute().servers().list();// Suspend a Serveros.compute().servers().action("serverId", Action.SUSPEND);// List all NetworksList networks = os.networking().network().list();// List all SubnetsList subnets = os.networking().subnet().list();// List all RoutersList routers = os.networking().router().list();// List all Images (Glance)List images = os.images().list();// Download the Image DataInputStream is = os.images().getAsStream("imageId");

看完上述内容，你们掌握OpenStack4j中怎么实现一个对外接口 的方法了吗？如果还想学到更多技能或想了解更多相关内容，欢迎关注行业资讯频道，感谢各位的阅读！