haproxy 2.0 dataplaneapi rest api 轉爲graphql

時間 2019-11-30

標籤 haproxy 2.0 dataplaneapi rest api 轉爲 graphql 欄目負載均衡简体版

原文原文鏈接

haproxy 2.0 dataplaneapi rest api 是比較全的，如下是一個簡單的集成graphql，經過swagger-to-graphql
轉換爲graphql api 方便使用node

環境準備

項目準備

 
         yarn init -y 
        
         yarn add express express-graphql graphql swagger-to-graphql

獲取haproxy 2.0 dataplaneapi rest api swagger 定義

 
         curl -s -X GET --user admin:dalong -H "Content-Type: application/json" http://localhost:5555/v1/specification > api.json 
        

代碼

 
       const express = require('express'); 
      
       const app = express(); 
      
       const graphqlHTTP = require('express-graphql'); 
      
       const graphQLSchema = require('swagger-to-graphql'); 
      
       # 使用basic auth 輸入配置好的用戶以及密碼 
      
       const proxyUrl = 'http://admin:dalong@localhost:5555/v1/'; 
      
       const pathToSwaggerSchema = './api.json'; 
      
       const customHeaders = { 
      
           // Authorization: 'Basic YWRkOmJhc2ljQXV0aA==' 
      
       }; 
      
       ​ 
      
       graphQLSchema(pathToSwaggerSchema, proxyUrl, customHeaders) 
      
         .then(schema => { 
      
           app.use( 
      
             '/graphql', 
      
             graphqlHTTP(() => { 
      
               return { 
      
                 schema, 
      
                 graphiql: true, 
      
               }; 
      
             }), 
      
           ); 
      
       ​ 
      
           app.listen(3009, 'localhost', () => { 
      
             console.info('http://localhost:3009/graphql'); 
      
           }); 
      
         }) 
      
         .catch(e => { 
      
           console.log(e); 
      
         });

package.json 文件

 
       { 
      
         "name": "haproxy-dataplaneapi2graphql", 
      
         "version": "1.0.0", 
      
         "main": "app.js", 
      
         "license": "MIT", 
      
         "dependencies": { 
      
           "express": "^4.17.1", 
      
           "express-graphql": "^0.9.0", 
      
           "graphql": "^14.5.4", 
      
           "swagger-to-graphql": "^2.1.0" 
      
         }, 
      
         "scripts": { 
      
           "app": "node app.js" 
      
         } 
      
       }