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https://github.com/balena-io/balena-cli.git
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5cbe1c410f
Both commands work with local devices by remotely invoking the `os-config` executable via SSH. This requires an as of yet unreleased resinOS (that will most likely be v2.14) and the commands ascertain compatibility merely by looking for the `os-config` executable in the device, and bail out if it’s not present. `join` and `leave` accept a couple of optional arguments and implement a wizard-style interface if these are not given. They allow to interactively select the device and the application to promote to. If the user has no apps, `join` will offer the user to create one. `join` will also offer the user to login or create an account if they’re not logged in already without exiting the wizard. `resin-sync` (that's used internally to discover local devices) requires admin privileges. If no device has been specified as an argument, the commands will launch the device scanning process in a privileged subprocess via two new internal commands: `internal sudo` and `internal scanDevices`. This avoids having the user to invoke the commands with sudo and only request escalation if truly needed. This commit also removes the dependency to “president”, implementing “sudo” functionality within the CLI. Change-Type: minor
88 lines
2.8 KiB
CoffeeScript
88 lines
2.8 KiB
CoffeeScript
###
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Copyright 2016-2017 Resin.io
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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###
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# These are internal commands we want to be runnable from the outside
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# One use-case for this is spawning the minimal operation with root priviledges
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exports.osInit =
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signature: 'internal osinit <image> <type> <config>'
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description: 'do actual init of the device with the preconfigured os image'
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help: '''
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Don't use this command directly! Use `resin os initialize <image>` instead.
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'''
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hidden: true
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root: true
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action: (params, options, done) ->
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Promise = require('bluebird')
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init = require('resin-device-init')
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helpers = require('../utils/helpers')
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return Promise.try ->
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config = JSON.parse(params.config)
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init.initialize(params.image, params.type, config)
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.then(helpers.osProgressHandler)
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.nodeify(done)
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exports.scanDevices =
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signature: 'internal scandevices'
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description: 'scan for local resin-enabled devices and show a picker to choose one'
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help: '''
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Don't use this command directly!
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'''
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hidden: true
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root: true
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action: (params, options, done) ->
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Promise = require('bluebird')
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{ forms } = require('resin-sync')
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return Promise.try ->
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forms.selectLocalResinOsDevice()
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.then (hostnameOrIp) ->
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console.error("==> Selected device: #{hostnameOrIp}")
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.nodeify(done)
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exports.sudo =
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signature: 'internal sudo <command>'
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description: 'execute arbitrary commands in a privileged subprocess'
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help: '''
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Don't use this command directly!
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<command> must be passed as a single argument. That means, you need to make sure
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you enclose <command> in quotes (eg. resin internal sudo 'ls -alF') if for
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whatever reason you invoke the command directly or, typically, pass <command>
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as a single argument to spawn (eg. `spawn('resin', [ 'internal', 'sudo', 'ls -alF' ])`).
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Furthermore, this command will naively split <command> on whitespace and directly
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forward the parts as arguments to `sudo`, so be careful.
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'''
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hidden: true
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action: (params, options, done) ->
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os = require('os')
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Promise = require('bluebird')
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return Promise.try ->
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if os.platform() is 'win32'
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windosu = require('windosu')
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windosu.exec(params.command, {})
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else
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{ spawn } = require('child_process')
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{ wait } = require('rindle')
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cmd = params.command.split(' ')
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ps = spawn('sudo', cmd, stdio: 'inherit', env: process.env)
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wait(ps)
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.nodeify(done)
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