openstack4j 源码_01、使用OpenStack4j快速开发对外接口

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 domainIdentifier

OSClientV3 os = OSFactory.builderV3()

.endpoint("http://127.0.0.1:5000/v3")

.credentials("admin","sample", domainIdentifier)

.authenticate();

# project scoped authentication

OSClientV3 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 domainIdentifier

OSClientV3 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 Users

List extends User> users = os.identity().users().list();

// List all Tenants

List extends Tenant> tenants = os.identity().tenants().list();

// Find all Compute Flavors

List extends Flavor> flavors = os.compute().flavors().list();

// Find all running Servers

List extends Server> servers = os.compute().servers().list();

// Suspend a Server

os.compute().servers().action("serverId", Action.SUSPEND);

// List all Networks

List extends Network> networks = os.networking().network().list();

// List all Subnets

List extends Subnet> subnets = os.networking().subnet().list();

// List all Routers

List extends Router> routers = os.networking().router().list();

// List all Images (Glance)

List extends Image> images = os.images().list();

// Download the Image Data

InputStream is = os.images().getAsStream("imageId");