cube.js elasticsearch 官方sql 扩展使用

环境准备

• es 环境

version: "3"

services: 

  es01:

    image: elasticsearch:7.3.2

    container_name: es01

   // 开启sql 以及认证

    environment:

      - "http.host=0.0.0.0"

      - "transport.host=localhost"

      - "network.host=0.0.0.0"

      - "http.cors.enabled=true"

      - "http.cors.allow-origin=*"

      - "xpack.ml.enabled=false"

      - "xpack.security.enabled=true"

      - "xpack.sql.enabled=true"

    ulimits:

      memlock:

        soft: -1

        hard: -1

    ports:

      - 9200:9200

初始化账户（进入容器）

elasticsearch-setup-passwords  auto -v

• es 数据
  app.js

 

const { Client } = require('@elastic/elasticsearch')

const client = new Client({ node: 'http://elastic:ed824a5iPV33lrO7MOz0@localhost:9200' })

 

async function run () {

  // Let's start by indexing some data

  await client.index({

    index: 'game',

    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6

    body: {

      character: 'Ned Stark',

      quote: 'Winter is coming.'

    }

  })

 

  await client.index({

    index: 'game',

    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6

    body: {

      character: 'Daenerys Targaryen',

      quote: 'I am the blood of the dragon.'

    }

  })

 

  await client.index({

    index: 'game',

    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6

    body: {

      character: 'Tyrion Lannister',

      quote: 'A mind needs books like a sword needs a whetstone.'

    }

  })

 

  // here we are forcing an index refresh, otherwise we will not

  // get any result in the consequent search

  await client.indices.refresh({ index: 'game' })

 

  // Let's search!

  const { body } = await client.search({

    index: 'game',

    // type: '_doc', // uncomment this line if you are using Elasticsearch ≤ 6

    body: {

      query: {

        match: { quote: 'winter' }

      }

    }

  })

 

  console.log(body.hits.hits)

}

 

run().catch(console.log)

cube.js 配置

.env

CUBEJS_DB_URL=http://elastic:ed824a5iPV33lrO7MOz0@localhost:9200

CUBEJS_DB_ELASTIC_QUERY_FORMAT=json

CUBEJS_DEV_MODE=true

CUBEJS_DB_TYPE=elasticsearch

CUBEJS_API_SECRET=b9a87765c28b91d570e51647c3e7cbb5a71364147bdfbef65ffa307808ef9128b98142883a541e48a8b8517d0e02d7e8344ac694c29e7b0f09a3ee0df10755d8

package.json

{

  "name": "myappdemo",

  "version": "0.0.1",

  "private": true,

  "scripts": {

    "dev": "./node_modules/.bin/cubejs-server"

  },

  "template": "docker",

  "templateVersion": "0.26.44",

  "devDependencies": {

    "@cubejs-backend/cubestore-driver": "^0.28.8",

    "@cubejs-backend/elasticsearch-driver": "^0.28.8",

    "@cubejs-backend/server": "^0.28.8"

  }

}

访问效果

 

 

 

 

说明

对于database 的处理有点问题，多了main，都是可以使用的

参考资料

https://www.npmjs.com/package/@elastic/elasticsearch
https://cube.dev/docs/reference/environment-variables#database-connection