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hc-service-client

v1.3.0-alpha.2

Published

Service Client Extension for Honeybee

Downloads

12

Readme

ServiceClient

hc-service-client

本项目支持两种用法,如下介绍为在honeybee extension中使用的方法。

直接使用ServiceClient请参考: 这里 !!!

在honeycomb extension中的例子

{
  extension: {
    serviceClient: {
      module: 'hc-service-client',
      config: {
        otm: {
          endpoint: 'http://otm.com/v2',
          accessKeySecret: 'xxx',
          headerExtension: ['otm']
        },
        azk: {
          endpoint: 'http://algorithm.com/',
          accessKeySecret: 'xxx',
          workApp: 'test',
          headerExtension: ['azk']
        },
        brain: {
          endpoint: 'http://brain_domain.com/',
          accessKeySecret: 'xxx',
          headerExtension: [
            function (req, serviceCfg) {
              return {
                'X-Access-User': req.session.id
              };
            }
          ]
        }
      }
    }
  }
}

配置详情如下。

配置

hc-service-client的配置结构:

{
  [serviceCode]: {
    endpoint,
    accessKeyId,
    accessKeySecret,
    signatureApproach,
    headerExtension,
    disableFileSignature,
    headers,
    timeout
  }
}

| options | desc | default | | -------------------- | ---------------------------------------- | --------- | | endpoint | 远程的endpoint | 必填 | | accessKeyId | 调用的用户标志 | anonymous | | accessKeySecret | 调用的签名密钥,原token/systemToken | 必填 | | signatureApproach | 签名方式 enum: [systemCall, userAuth] | 默认 systemCall | | disableFileSignature | 禁用文件签名 | false | | headerExtension | 根据环境动态修改header的扩展 | [] | | headers | 使用serviceClient的默认发送headers,优先级高于headerExtension | {} | | timeout | 请求的超时时间(单位ms) | 60000 | | signatureHeader | 签名请求头,默认 systemCall -> signature, userAuth -> Authorization | | | responseWrapper | 处理返回结果的function | 默认函数,返回结果result.code!== 'SUCCESS'时作为错误处理,否则将result.data作为结果返回,详见SERVICE_CLIENT文档responseWrapper参数介绍 |

headerExtension

其他参数介绍见 这里

headerExtension是一个数组,数组中元素支持动态扩展header,

支持

  • 函数, function (req, serviceCfg) ,返回 header
  • object,直接写header内容
  • 内置扩展, 'otm' 、 'azk' 、'gateway'

如:

{
  otm: {
    endpoint: 'http://xxx',
    accessKeyId: 'DonaldTrump',
    accessKeySecret: config.systemToken,
    headerExtension: [
      function (req, serviceCfg) {
        return {
          'X-Access-TenantCode': req.session.tenant || serviceCfg.defaultTenant
        };
      },
      {
        'X-Access-WorkApp': 'city_brain'
      },
      'otm'
    ]
  }
}

如上配置,三个类型返回的header会merge到一起,再最终请求时带上。

用法

const otm = req.getService('otm');
otm.get('/api/workspaces', {}, (err, data) => {});
const azk = req.getService('azk');
azk.get('/api/workspaces', {}, (err, data) => {});