mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-27 01:11:03 +00:00
106 lines
3.0 KiB
CoffeeScript
106 lines
3.0 KiB
CoffeeScript
###*
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# @license
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# Copyright 2017-2019 Balena Ltd.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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Promise = require('bluebird')
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{ getBalenaSdk } = require('./lazy')
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exports.QEMU_VERSION = QEMU_VERSION = 'v4.0.0-balena'
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exports.QEMU_BIN_NAME = QEMU_BIN_NAME = 'qemu-execve'
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exports.qemuPathInContext = (context) ->
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path = require('path')
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binDir = path.join(context, '.balena')
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binPath = path.join(binDir, QEMU_BIN_NAME)
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path.relative(context, binPath)
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exports.copyQemu = (context, arch) ->
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path = require('path')
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fs = require('mz/fs')
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# Create a hidden directory in the build context, containing qemu
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binDir = path.join(context, '.balena')
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binPath = path.join(binDir, QEMU_BIN_NAME)
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Promise.resolve(fs.mkdir(binDir))
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.catch(code: 'EEXIST', ->)
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.then ->
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getQemuPath(arch)
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.then (qemu) ->
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new Promise (resolve, reject) ->
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read = fs.createReadStream(qemu)
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write = fs.createWriteStream(binPath)
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read
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.on('error', reject)
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.pipe(write)
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.on('error', reject)
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.on('finish', resolve)
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.then ->
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fs.chmod(binPath, '755')
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.then ->
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path.relative(context, binPath)
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exports.getQemuPath = getQemuPath = (arch) ->
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balena = getBalenaSdk()
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path = require('path')
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fs = require('mz/fs')
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balena.settings.get('binDirectory')
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.then (binDir) ->
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Promise.resolve(fs.mkdir(binDir))
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.catch(code: 'EEXIST', ->)
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.then ->
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path.join(binDir, "#{QEMU_BIN_NAME}-#{arch}-#{QEMU_VERSION}")
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exports.installQemu = (arch) ->
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request = require('request')
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fs = require('fs')
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zlib = require('zlib')
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tar = require('tar-stream')
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getQemuPath(arch)
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.then (qemuPath) ->
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new Promise (resolve, reject) ->
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installStream = fs.createWriteStream(qemuPath)
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qemuArch = balenaArchToQemuArch(arch)
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downloadArchiveName = "qemu-#{QEMU_VERSION.replace(/^v/, '')}-#{qemuArch}.tar.gz"
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qemuUrl = "https://github.com/balena-io/qemu/releases/download/#{QEMU_VERSION}/#{downloadArchiveName}"
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extract = tar.extract()
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extract.on 'entry', (header, stream, next) ->
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stream.on('end', next)
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if header.name.includes("qemu-#{qemuArch}-static")
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stream.pipe(installStream)
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else
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stream.resume()
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request(qemuUrl)
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.on('error', reject)
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.pipe(zlib.createGunzip())
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.on('error', reject)
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.pipe(extract)
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.on('error', reject)
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.on 'finish', ->
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fs.chmodSync(qemuPath, '755')
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resolve()
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balenaArchToQemuArch = (arch) ->
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switch arch
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when 'armv7hf', 'rpi', 'armhf' then 'arm'
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when 'aarch64' then 'aarch64'
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else throw new Error("Cannot install emulator for architecture #{arch}")
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