Prepare for the Lookup Service ----准备Lookup服务-蒲公英云

原文：

Create the service registration filter.
See Create the Service Registration Filter and Retrieve the Registration Object. To understand how to use a Lookup Service registration filter, see “Introduction to Filters.
Retrieve the service registration object.
See Create the Service Registration Filter and Retrieve the Registration Object and Retrieve the Service Registration Object.
Connect to the Lookup Service.
See Connect to the Lookup Service.
Write the code to retrieve the information from the Lookup Service.
Options for Retrieving Information from the Lookup Service shows the different options that are available for you.

Options for Retrieving Information from the Lookup Service

Option

Description

Retrieve the vCenter Single Sign-On service endpoint from the Lookup Service. See Retrieving vCenter Single Sign-On Endpoint for an overview of this option.

See Use the Lookup Service to Obtain a Service Endpoint. You use the LookupServiceUrls() function defined inUse the Lookup Service to Obtain a Set of Service Endpoints.

Retrieve a single vCloud Suite endpoint from the Lookup Service. SeeRetrieving a Single vCloud Suite Endpoint from the Lookup Servicefor an overview of this option.

Two steps retrieve a single vCloud Suite endpoint

1	Retrieve a management node ID from the Lookup Service

2	Retrieve a single vCloud Suite endpoint from the Lookup Service using LookupServiceUrl()

Retrieve a management node ID from the Lookup Service using theLookupServiceUrl()function.

See Use the Lookup Service to Obtain a Management Node ID.

Retrieve a single vCloud Suite endpoint from the Lookup Service usingLookupServiceUrl().

See Use the Lookup Service to Obtain a Single vCloud Suite Endpoint. You use the LookupServiceUrl() function defined in Use the Lookup Service to Obtain a Service Endpoint.

Retrieve all vCloud Suite endpoints from the Lookup Service. You do not need to get a management node ID. You call the List()method.

See Use the Lookup Service to Obtain All vCloud Suite Endpoints. You use the LookupServiceUrls() function defined in Use the Lookup Service to Obtain a Set of Service Endpoints.

Retrieve the WS-API endpoint or other management endpoint from the Lookup Service.

Two steps to retrieve a WS-API endpoint or other management endpoint from the Lookup Service

1	Retrieve a management node ID from the Lookup Service

2	Retrieve the WS-API endpoint or other management node endpoint using LookupServiceUrl().

Retrieve the WS-API endpoint or other management node endpoint usingLookupServiceUrl().

See Use the Lookup Service to Obtain the WS-API Endpoint and Other Management Node Endpoints. You use theLookupServiceUrl() function defined in Use the Lookup Service to Obtain a Service Endpoint.

Retrieving vCenter Single Sign-On Endpoint describes the steps for retrieving the vCenter Single Sign-On service endpoint from the Lookup Service.

Center

Retrieving vCenter Single Sign-On Endpoint

Retrieving a Single vCloud Suite Endpoint from the Lookup Service describes the steps for retrieving a single vCloud Suite endpoint from the Lookup Service.

Center 1

Retrieving a Single vCloud Suite Endpoint from the Lookup Service

5	Use your authentication credentials to obtain a SAML token from the vCenter Single Sign-On service or through a vCloud Suite endpoint.

See VMware vCenter Single Sign-On Service.

6	Present the SAML token to a service endpoint for access to the requested operation.

See Connections and Sessions.

翻译：

准备Lookup服务
1、创建服务注册器：
详细步骤查考： Create the Service Registration Filter and Retrieve the Registration Object。在下面将讲解如何使用Lookup服务注册器，请查考Introduction to Filters.
2、检索服务注册对象：
查考 Create the Service Registration Filter and Retrieve the Registration Object 和 Create the Service Registration Filter and Retrieve the Registration Object。
3、连接Lookup服务
查考 Connect to the Lookup Service。
4、编写代码检索Lookup服务查询相关信息。
参考：Options for Retrieving Information from the Lookup Service 显示可供你不同的选择。