From 00752f79df63d2be73ef6e19c9120b86ac2a0bbb Mon Sep 17 00:00:00 2001 From: xiaolei li <85657333+xleili@users.noreply.github.com> Date: Fri, 24 Sep 2021 10:09:21 +0800 Subject: [PATCH] Feature/xiaolei/td 1860 node restful (#7900) * chore: esbuild support for nodejs connector * TD-1860-feature-node-restful * commit index,showdatabase * fix some description * fix test without assert, try to add CI * test ci 2nd * ci test 3rd * ci test 4th * remove src/index.js Co-authored-by: Huo Linhe --- Jenkinsfile | 10 + src/connector/node-rest/.gitignore | 128 ++ src/connector/node-rest/.nvmrc | 1 + src/connector/node-rest/TDengineRest.js | 5 + .../node-rest/examples/show-database.js | 13 + src/connector/node-rest/package-lock.json | 1347 +++++++++++++++++ src/connector/node-rest/package.json | 23 + src/connector/node-rest/readme.md | 40 + src/connector/node-rest/src/restConnect.js | 59 + src/connector/node-rest/src/restConstant.js | 26 + src/connector/node-rest/src/restCursor.js | 66 + src/connector/node-rest/src/restResult.js | 159 ++ src/connector/node-rest/test/testRestConn.js | 39 + 13 files changed, 1916 insertions(+) create mode 100644 src/connector/node-rest/.gitignore create mode 100644 src/connector/node-rest/.nvmrc create mode 100644 src/connector/node-rest/TDengineRest.js create mode 100644 src/connector/node-rest/examples/show-database.js create mode 100644 src/connector/node-rest/package-lock.json create mode 100644 src/connector/node-rest/package.json create mode 100644 src/connector/node-rest/readme.md create mode 100644 src/connector/node-rest/src/restConnect.js create mode 100644 src/connector/node-rest/src/restConstant.js create mode 100644 src/connector/node-rest/src/restCursor.js create mode 100644 src/connector/node-rest/src/restResult.js create mode 100644 src/connector/node-rest/test/testRestConn.js diff --git a/Jenkinsfile b/Jenkinsfile index f076a04668..8e8cec764e 100644 --- a/Jenkinsfile +++ b/Jenkinsfile @@ -240,6 +240,16 @@ pipeline { node nanosecondTest.js ''' + + sh ''' + cd ${WKC}/src/connector/node-rest/ + npm install + npm run build + npm run build:test + npm run test + + ''' + sh ''' cd ${WKC}/tests/examples/C#/taosdemo mcs -out:taosdemo *.cs > /dev/null 2>&1 diff --git a/src/connector/node-rest/.gitignore b/src/connector/node-rest/.gitignore new file mode 100644 index 0000000000..6768d98a52 --- /dev/null +++ b/src/connector/node-rest/.gitignore @@ -0,0 +1,128 @@ + +# Created by https://www.toptal.com/developers/gitignore/api/node +# Edit at https://www.toptal.com/developers/gitignore?templates=node + +### Node ### +# Logs +logs +*.log +npm-debug.log* +yarn-debug.log* +yarn-error.log* +lerna-debug.log* +.pnpm-debug.log* + +# Diagnostic reports (https://nodejs.org/api/report.html) +report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json + +# Runtime data +pids +*.pid +*.seed +*.pid.lock + +# Directory for instrumented libs generated by jscoverage/JSCover +lib-cov + +# Coverage directory used by tools like istanbul +coverage +*.lcov + +# nyc test coverage +.nyc_output + +# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files) +.grunt + +# Bower dependency directory (https://bower.io/) +bower_components + +# node-waf configuration +.lock-wscript + +# Compiled binary addons (https://nodejs.org/api/addons.html) +build/Release + +# Dependency directories +node_modules/ +jspm_packages/ + +# Snowpack dependency directory (https://snowpack.dev/) +web_modules/ + +# TypeScript cache +*.tsbuildinfo + +# Optional npm cache directory +.npm + +# Optional eslint cache +.eslintcache + +# Microbundle cache +.rpt2_cache/ +.rts2_cache_cjs/ +.rts2_cache_es/ +.rts2_cache_umd/ + +# Optional REPL history +.node_repl_history + +# Output of 'npm pack' +*.tgz + +# Yarn Integrity file +.yarn-integrity + +# dotenv environment variables file +.env +.env.test +.env.production + +# parcel-bundler cache (https://parceljs.org/) +.cache +.parcel-cache + +# Next.js build output +.next +out + +# Nuxt.js build / generate output +.nuxt +dist + +# Gatsby files +.cache/ +# Comment in the public line in if your project uses Gatsby and not Next.js +# https://nextjs.org/blog/next-9-1#public-directory-support +# public + +# vuepress build output +.vuepress/dist + +# Serverless directories +.serverless/ + +# FuseBox cache +.fusebox/ + +# DynamoDB Local files +.dynamodb/ + +# TernJS port file +.tern-port + +# Stores VSCode versions used for testing VSCode extensions +.vscode-test + +# yarn v2 +.yarn/cache +.yarn/unplugged +.yarn/build-state.yml +.yarn/install-state.gz +.pnp.* + +# End of https://www.toptal.com/developers/gitignore/api/node + +lib/ +yarn.lock diff --git a/src/connector/node-rest/.nvmrc b/src/connector/node-rest/.nvmrc new file mode 100644 index 0000000000..8351c19397 --- /dev/null +++ b/src/connector/node-rest/.nvmrc @@ -0,0 +1 @@ +14 diff --git a/src/connector/node-rest/TDengineRest.js b/src/connector/node-rest/TDengineRest.js new file mode 100644 index 0000000000..68ac76019d --- /dev/null +++ b/src/connector/node-rest/TDengineRest.js @@ -0,0 +1,5 @@ +import {TDengineRestConnection} from './src/restConnect' + +export function TDRestConnection(connection = {}) { + return new TDengineRestConnection(connection) +} diff --git a/src/connector/node-rest/examples/show-database.js b/src/connector/node-rest/examples/show-database.js new file mode 100644 index 0000000000..bf51b8a675 --- /dev/null +++ b/src/connector/node-rest/examples/show-database.js @@ -0,0 +1,13 @@ +import {TDengineRestConnection} from "../src/restConnect"; + +let conn = new TDengineRestConnection({host: '127.0.0.1', user: 'root', pass: 'taosdata', port: 6041}) +let cursor = conn.cursor(); +console.log(conn) +let data = {}; +(async () => { + data = await cursor.query("show databases"); + data.toString() +})() + + + diff --git a/src/connector/node-rest/package-lock.json b/src/connector/node-rest/package-lock.json new file mode 100644 index 0000000000..17a253eb0e --- /dev/null +++ b/src/connector/node-rest/package-lock.json @@ -0,0 +1,1347 @@ +{ + "name": "td-rest-connector", + "version": "1.0.0", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "@babel/code-frame": { + "version": "7.12.11", + "resolved": "https://registry.nlark.com/@babel/code-frame/download/@babel/code-frame-7.12.11.tgz", + "integrity": "sha1-9K1DWqJj25NbjxDyxVLSP7cWpj8=", + "dev": true, + "requires": { + "@babel/highlight": "^7.10.4" + } + }, + "@babel/helper-validator-identifier": { + "version": "7.14.9", + "resolved": "https://registry.nlark.com/@babel/helper-validator-identifier/download/@babel/helper-validator-identifier-7.14.9.tgz", + "integrity": "sha1-ZlTRcbICT22O4VG/JQlpmRkTHUg=", + "dev": true + }, + "@babel/highlight": { + "version": "7.14.5", + "resolved": "https://registry.nlark.com/@babel/highlight/download/@babel/highlight-7.14.5.tgz", + "integrity": "sha1-aGGlLwOWZAUAH2qlNKAaJNmejNk=", + "dev": true, + "requires": { + "@babel/helper-validator-identifier": 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"esbuild --bundle --platform=node --outfile=lib/TDengineRest.js ./TDengineRest.js", + "build:dev": "esbuild --bundle --platform=node --outfile=dist/examples/show-database.js examples/show-database.js ", + "build:test": "esbuild test/testRestConn.js --bundle --platform=node --outfile=dist/tests/testRestConn.js ", + "test": "node dist/tests/testRestConn.js" + }, + "devDependencies": { + "esbuild": "^0.12.25", + "eslint": "^7.32.0", + "assert": "^2.0.0" + }, + "dependencies": { + "node-fetch": "^2.x" + } +} diff --git a/src/connector/node-rest/readme.md b/src/connector/node-rest/readme.md new file mode 100644 index 0000000000..db8d57c2ee --- /dev/null +++ b/src/connector/node-rest/readme.md @@ -0,0 +1,40 @@ +# TDengine Nodejs Restful + +This is the Node.js library that lets you connect to [TDengine](https://www.github.com/taosdata/tdengine) though +restful. This restful can help you access the TDengine from different platform. + +## Install +To get started, just type in the following to install the connector through [npm](https://www.npmjs.com/) + +```cmd +npm install td-rest-connector +``` + +## Usage + +### Connection + +```javascript +import taoRest from 'TDengineRest' +var connRest = taoRest({host:'127.0.0.1',user:'root',pass:'taosdata',port:6041}) +``` + +query +```javascript +(async()=>{ + data = await connRest.query("show databases"); + data.toString(); + } +)() +``` + +## Example +An example of using the NodeJS Restful connector to create a table with weather data and create and execute queries can be found [here](https://github.com/taosdata/TDengine/tree/master/tests/examples/node-rest/show-database.js) + +## Contributing to TDengine + +Please follow the [contribution guidelines](https://github.com/taosdata/TDengine/blob/master/CONTRIBUTING.md) to contribute to the project. + +## License + +[GNU AGPL v3.0](http://www.gnu.org/licenses/agpl-3.0.html) diff --git a/src/connector/node-rest/src/restConnect.js b/src/connector/node-rest/src/restConnect.js new file mode 100644 index 0000000000..ca6acc3e47 --- /dev/null +++ b/src/connector/node-rest/src/restConnect.js @@ -0,0 +1,59 @@ +import {TDengineRestCursor} from '../src/restCursor' + +/** + *this class collect basic information that can be used to build + * a restful connection. + */ +export class TDengineRestConnection { + /** + * constructor,give variables some default values + * @param options + * @returns {TDengineRestConnection} + */ + constructor(options) { + this.host = 'localhost' + this.port = '6041' + this.user = 'root' + this.pass = 'taosdata' + this.path = '/rest/sqlt/' + this._initConnection(options) + return this + } + + /** + * used to init the connection info using the input options + * @param options + * @private + */ + _initConnection(options) { + if (options['host']) { + this.host = options['host'] + } + if (options['port']) { + this.port = options['port'] + } + if (options['user']) { + this.user = options['user'] + } + if (options['pass']) { + this.pass = options['pass'] + } + if (options['path']) { + this.path = options['path'] + } + } + + /** + * cursor will return an object of TDengineRestCursor, which can send restful(http) request and get + * the response from server. + * @returns {TDengineRestCursor} + */ + cursor() { + return new TDengineRestCursor(this) + } +} + + + + + diff --git a/src/connector/node-rest/src/restConstant.js b/src/connector/node-rest/src/restConstant.js new file mode 100644 index 0000000000..9bab9313b3 --- /dev/null +++ b/src/connector/node-rest/src/restConstant.js @@ -0,0 +1,26 @@ +/** + * indicate the every type's type code + * @type {{"0": string, "1": string, "2": string, "3": string, "4": string, "5": string, "6": string, "7": string, "8": string, "9": string, "10": string}} + */ +export const typeCodesToName = { + 0: 'Null', + 1: 'Boolean', + 2: 'Tiny Int', + 3: 'Small Int', + 4: 'Int', + 5: 'Big Int', + 6: 'Float', + 7: 'Double', + 8: 'Binary', + 9: 'Timestamp', + 10: 'Nchar', +} + +/** + * get the type of input typecode, in fact the response of restful will send every column's typecode + * @param typecode + * @returns {*} + */ +export function getTaoType(typecode) { + return typeCodesToName[typecode]; +} \ No newline at end of file diff --git a/src/connector/node-rest/src/restCursor.js b/src/connector/node-rest/src/restCursor.js new file mode 100644 index 0000000000..beb712f177 --- /dev/null +++ b/src/connector/node-rest/src/restCursor.js @@ -0,0 +1,66 @@ +import fetch from 'node-fetch' +import {TDengineRestResultSet} from '../src/restResult' + +/** + * this class is core of restful js connector + * this class resends http request to the TDengine server + * and receive the response. + */ +export class TDengineRestCursor { + /** + * constructor,used to get the connection info + * @param connection + */ + constructor(connection) { + this._connection = null; + this.data = []; + this.http = false + if (connection != null) { + this._connection = connection + } else { + throw new Error("A TDengineRestConnection object is required to be passed to the TDengineRestCursor") + } + } + + /** + * used to build an url,like http://localhost:6041/rest/sql + * @returns {string} + * @private + */ + _apiUpl() { + return (this.http ? "https" : "http") + "://" + this._connection.host + ":" + this._connection.port + this._connection.path + } + + /** + * used to make an authorization token + * @returns {string} + * @private + */ + _token() { + return 'Basic ' + Buffer.from(this._connection.user + ":" + this._connection.pass).toString('base64') + } + + /** + * Used fetch to send http request， and return the response as an object of TDengineRestResultSet + * @param sql + * @returns {Promise} + */ + async query(sql) { + try { + let response = await fetch(this._apiUpl(), { + method: 'POST', + body: sql, + headers: {'Authorization': this._token()} + }) + // if (response.status == 'succ') { + return await new TDengineRestResultSet(await response.json()) + // } else { + // throw new Error(response.desc) + // } + } catch (e) { + console.log("Request Failed " + e) + } + + } +} + diff --git a/src/connector/node-rest/src/restResult.js b/src/connector/node-rest/src/restResult.js new file mode 100644 index 0000000000..ba469eb4ec --- /dev/null +++ b/src/connector/node-rest/src/restResult.js @@ -0,0 +1,159 @@ +import {getTaoType} from '../src/restConstant' + + +export class TDengineRestResultSet { + constructor(result) { + this.status = '' //succ + this.column_name = {} //head + this.column_type = {} //column_meta + this.data = {} + this.affectRows = null //rows + this.code = null + this.desc = null + this._init(result) + } + + //initial the resultSet with a jason parameter + /** + * + * @param jason + */ + _init(result) { + if (result.status) { + this.status = result.status + } + if (result.head) { + this.column_name = result.head + } + if (result.column_meta) { + this.column_type = result.column_meta + } + if (result.data) { + this.data = result.data + } + if (result.rows) { + this.affectRows = result.rows + } + if (result.code) { + this.code = result.code + } + if (result.desc) { + this.desc = result.desc + } + } + + getStatus() { + return this.status + } + + getColumn_name() { + return this.column_name + } + + getColumn_type() { + let column_data = [] + this.column_type.forEach(function (column) { + column[1] = getTaoType(column[1]) + column_data.push(column) + }) + return column_data + } + + getData() { + return this.data + } + + getAffectRow() { + return this.affectRows + } + + getCode() { + return this.code + } + + getDesc() { + return this.desc + } + + + toString() { + if(this.status === 'succ'){ + let fields = this.column_type + let rows = this.data + this._prettyStr(fields, rows) + }else{ + console.log(this.status+":"+this.desc) + } + } + + _prettyStr(fields, data) { + let colName = [] + let colType = [] + let colSize = [] + let colStr = "" + + + for (let i = 0; i < fields.length; i++) { + colName.push(fields[i][0]) + colType.push(fields[i][1]) + + if ((fields[i][1]) == 8 || (fields[i][1]) == 10) { + colSize.push(Math.max(fields[i][0].length, fields[i][2])); //max(column_name.length,column_type_precision) + } else { + colSize.push(Math.max(fields[i][0].length, suggestedMinWidths[fields[i][1]]));// max(column_name.length,suggest_column_with_suggestion) + } + // console.log(colSize) + } + colName.forEach((name, i) => { + colStr += this._fillEmpty(Math.floor(colSize[i] / 2 - name.length / 2)) + name.toString() + this._fillEmpty(Math.ceil(colSize[i] / 2 - name.length / 2)) + " | " + }) + + let strSperator = "" + let sizeSum = colSize.reduce((a, b) => a += b, (0)) + colSize.length * 3 + strSperator = this._printN("=", sizeSum) + + console.log("\n" + colStr) + console.log(strSperator) + + data.forEach((row) => { + let rowStr = "" + row.forEach((cell, index) => { + rowStr += cell == null ? 'null' : cell.toString(); + rowStr += this._fillEmpty(colSize[index] - cell.toString().length) + " | " + }) + console.log(rowStr) + }) + + return colStr + } + + _fillEmpty(n) { + let str = ""; + for (let i = 0; i < n; i++) { + str += " "; + } + return str; + } + + _printN(s, n) { + let f = ""; + for (let i = 0; i < n; i++) { + f += s; + } + return f; + } +} + +const suggestedMinWidths = { + 0: 4, + 1: 4, + 2: 4, + 3: 6, + 4: 11, + 5: 12, + 6: 24, + 7: 24, + 8: 10, + 9: 25, + 10: 10, +} diff --git a/src/connector/node-rest/test/testRestConn.js b/src/connector/node-rest/test/testRestConn.js new file mode 100644 index 0000000000..011a4b66e4 --- /dev/null +++ b/src/connector/node-rest/test/testRestConn.js @@ -0,0 +1,39 @@ +import {TDRestConnection} from "../TDengineRest"; +import assert from "assert" + +let conn = new TDRestConnection({host: '127.0.0.1', user: 'root', pass: 'taosdata', port: 6041}); +let cursor = conn.cursor(); + +const createDB = "create database if not exists node_rest"; +const dropDB = "drop database if exists node_rest"; +const createTBL = "CREATE STABLE if not exists node_rest.meters (ts timestamp, current float, voltage int, phase float) TAGS (location binary(64), groupId int)"; +const dropTBL = "drop table if exists node_rest.meters "; +const insert = "INSERT INTO node_rest.d1001 USING node_rest.meters TAGS (\"Beijng.Chaoyang\", 2) VALUES (now, 10.2, 219, 0.32) "; +const select = "select * from node_rest.d1001 "; +const selectStbl = "select * from node_rest.meters"; + +async function execute(sql) { + console.log("SQL:" + sql); + let result = await cursor.query(sql); + try { + assert.strictEqual(result.getStatus(), 'succ', new Error("response error")) + result.toString() + } catch (e) { + console.log(e) + } + +} + +(async () => { + await execute(createDB); + await execute(createTBL); + await execute(insert); + await execute(select); + await execute(selectStbl); + await execute(dropDB); +})() + +// (async () => { +// result = await cursor.query("drop database if exists node_rest").catch(e=>console.log(e)) +// result.toString() +// })() -- GitLab