mirror of
https://github.com/balena-io/balena-cli.git
synced 2024-12-30 10:38:50 +00:00
130 lines
3.6 KiB
JavaScript
130 lines
3.6 KiB
JavaScript
/**
|
|
* @license
|
|
* Copyright 2017-2020 Balena Ltd.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
import * as Promise from 'bluebird';
|
|
import { getBalenaSdk } from './lazy';
|
|
export const QEMU_VERSION = 'v4.0.0+balena2';
|
|
export const QEMU_BIN_NAME = 'qemu-execve';
|
|
|
|
export function qemuPathInContext(context) {
|
|
const path = require('path');
|
|
const binDir = path.join(context, '.balena');
|
|
const binPath = path.join(binDir, QEMU_BIN_NAME);
|
|
return path.relative(context, binPath);
|
|
}
|
|
|
|
export function copyQemu(context, arch) {
|
|
const path = require('path');
|
|
const fs = require('mz/fs');
|
|
// Create a hidden directory in the build context, containing qemu
|
|
const binDir = path.join(context, '.balena');
|
|
const binPath = path.join(binDir, QEMU_BIN_NAME);
|
|
|
|
return Promise.resolve(fs.mkdir(binDir))
|
|
.catch({ code: 'EEXIST' }, function() {
|
|
// noop
|
|
})
|
|
.then(() => getQemuPath(arch))
|
|
.then(
|
|
qemu =>
|
|
new Promise(function(resolve, reject) {
|
|
const read = fs.createReadStream(qemu);
|
|
const write = fs.createWriteStream(binPath);
|
|
|
|
read
|
|
.on('error', reject)
|
|
.pipe(write)
|
|
.on('error', reject)
|
|
.on('finish', resolve);
|
|
}),
|
|
)
|
|
.then(() => fs.chmod(binPath, '755'))
|
|
.then(() => path.relative(context, binPath));
|
|
}
|
|
|
|
export const getQemuPath = function(arch) {
|
|
const balena = getBalenaSdk();
|
|
const path = require('path');
|
|
const fs = require('mz/fs');
|
|
|
|
return balena.settings.get('binDirectory').then(binDir =>
|
|
Promise.resolve(fs.mkdir(binDir))
|
|
.catch({ code: 'EEXIST' }, function() {
|
|
// noop
|
|
})
|
|
.then(() =>
|
|
path.join(binDir, `${QEMU_BIN_NAME}-${arch}-${QEMU_VERSION}`),
|
|
),
|
|
);
|
|
};
|
|
|
|
export function installQemu(arch) {
|
|
const request = require('request');
|
|
const fs = require('fs');
|
|
const zlib = require('zlib');
|
|
const tar = require('tar-stream');
|
|
|
|
return getQemuPath(arch).then(
|
|
qemuPath =>
|
|
new Promise(function(resolve, reject) {
|
|
const installStream = fs.createWriteStream(qemuPath);
|
|
|
|
const qemuArch = balenaArchToQemuArch(arch);
|
|
const fileVersion = QEMU_VERSION.replace(/^v/, '').replace('+', '.');
|
|
const urlFile = encodeURIComponent(
|
|
`qemu-${fileVersion}-${qemuArch}.tar.gz`,
|
|
);
|
|
const urlVersion = encodeURIComponent(QEMU_VERSION);
|
|
const qemuUrl = `https://github.com/balena-io/qemu/releases/download/${urlVersion}/${urlFile}`;
|
|
|
|
const extract = tar.extract();
|
|
extract.on('entry', function(header, stream, next) {
|
|
stream.on('end', next);
|
|
if (header.name.includes(`qemu-${qemuArch}-static`)) {
|
|
stream.pipe(installStream);
|
|
} else {
|
|
stream.resume();
|
|
}
|
|
});
|
|
|
|
return request(qemuUrl)
|
|
.on('error', reject)
|
|
.pipe(zlib.createGunzip())
|
|
.on('error', reject)
|
|
.pipe(extract)
|
|
.on('error', reject)
|
|
.on('finish', function() {
|
|
fs.chmodSync(qemuPath, '755');
|
|
resolve();
|
|
});
|
|
}),
|
|
);
|
|
}
|
|
|
|
var balenaArchToQemuArch = function(arch) {
|
|
switch (arch) {
|
|
case 'armv7hf':
|
|
case 'rpi':
|
|
case 'armhf':
|
|
return 'arm';
|
|
case 'aarch64':
|
|
return 'aarch64';
|
|
default:
|
|
throw new Error(`Cannot install emulator for architecture ${arch}`);
|
|
}
|
|
};
|