rmtcmd

simple execute commands local and remotely over SSH

./example.js -u userName -h 192.168.11.1

✔ [sudo] Password: … ****

#!/usr/bin/env node

const rmtcmd = require('rmtcmd')

// execute commands
const deploy = async ({ config, local, remote }) => {
  await local('ls -la ./dist', { cwd: __dirname })

  const target = `/home/${config.username}/rmtcmd`

  await remote(`sudo mkdir -p ${target}`)
  await remote(`sudo chmod 775 ${target}`)
  await remote(`sudo chown ${config.username}:${config.username} ${target}`)

  const src = path.join(__dirname, 'dist', 'src')

  await local(
    [
      `rsync -av`,
      `--exclude='node_modules'`,
      `-e 'ssh -i ${config.privateKeyPath}'`,
      `${src}/`,
      `${config.username}@${config.host}:${target}`
    ].join(' '),
    {
      cwd: __dirname
    }
  )

  await remote(`ls -la ${target}`)
}

;(async () => {
  const { host, username, privateKeyPath, sudoPassword } = await rmtcmd.cli.getArgs()

  const privateKey = require('fs').readFileSync(privateKeyPath)

  await rmtcmd.connect({
    host,
    username,
    privateKey,
    sudoPassword,
    task: deploy
  })
})().catch(console.error)

API

connect(config)

wrapper ssh2.client.connect

• config
  • ...ssh2.Client.connect
  • sudoPassword <string>
  • privateKeyPath: <string> ssh private key path (optional)
  • task <TaskFunction>

TaskFunction

async function

• args

  • config <opject> connect config
  • local <LocalCmd> executer async function for local command
  • remote <RemoteCmd> executer async function for remote command

• returns Promise<void>

LocalCmd

wrapper child_process.exec

• args

  • cmd <string> command
  • options
    • ...child_process.exec.options
    • encoding
      • default: 'utf8'
    • timeout
      • default: 10000
    • stdout
      • WritableStream
      • default: process.stdout

• returns Promise<{ stdout, stderr }>

RemoteCmd

• args

  • cmd <string> command

  • options

    • stdout
      • WritableStream
      • default: process.stdout
    • stderr
      • WritableStream
      • default: process.stderr

• returns Promise<{ code: number, signal: boolean, stdout: string }>

cli

getArgs()

• returns
  • host <string> remote host.
    • option: -h or --host
  • port <number> ssh port
    • option: --port (optional)
    • default: 22
  • username <string> ssh user name.
    • option: -u or --username (optional)
    • default: whoami
  • sudoPassword <string> ssh sudo password.
    • option: --sudo-password (optional)
    • default: prompt
  • privateKeyPath <string> private key path.
    • option: -k or --private-key-path. (optional)
    • default: ~/.ssh/id_rsa