qomolangma

Qomolangma 珠穆朗玛

Qomolangma is a small and beautiful cluster command execute tool via nodejs.

分布式集群批量命令执行工具（类似百度内部的pdo2)

Node Version

>=6.0

Npm install

npm install qomolangma --save

Require in javascript

const qomo = require("qomolangma").command;
qomo(cmd, (err, data, counter) => {});

Remote server's IPs in file node_modules/qomolangma/client/remotes.js

Update remote server list:

qomo.remote.set([
  {
      host: '127.0.0.1',
      tag: 'local'
  }
])

Install dependencies

npm install

Dev

npm run dev-server

Start

Server side

npm run server

It will create a server by current linux user.The server is waiting for command request.

Use PM2

pm2 start ecosystem.config.js

Use PM2 deploy

*edit ecosystem.config.js properly firstly

pm2 deploy ecosystem.config.js production setup
pm2 deploy ecosystem.config.js production

Client side

npm run cli "cat package.json | grep author"

It will send a request to server for executing the command and the server will response the command stdout.

output

Request Id: 72ff367f-7aaf-40e4-8689-8ad2c2337935
[1/1] chenjinyadeMacBook-Pro.local 192.168.11.1   success 20ms
  "author": "Jinya Chen",

info

|done / total |           hostname          |     ip       |  status | cost|
[  1    /  1  ] chenjinyadeMacBook-Pro.local  192.168.11.1   success   15ms
  "author": "Jinya Chen",
| command     stdout    |

Config

Before running, you should config IPs in client/remotes.js.

Default server http port is 8848. (The height of the Mount Qomolangma is 8848 meters)

Test

npm test

The test will create a server and try to execute a cmd. If it processing well, test script will show 'Test ok' and exit 0.

Warning

It's so DANGER when you run this program by ROOT user.In most case, you should forbidden outside network access for securit.