balena-cli/lib/commands/config/read.ts
2021-07-21 23:56:57 +01:00

70 lines
1.9 KiB
TypeScript

/**
* @license
* Copyright 2016-2021 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 { flags } from '@oclif/command';
import Command from '../../command';
import * as cf from '../../utils/common-flags';
import { getVisuals, stripIndent } from '../../utils/lazy';
interface FlagsDef {
type: string;
drive?: string;
help: void;
}
export default class ConfigReadCmd extends Command {
public static description = stripIndent`
Read the configuration of a device or OS image.
Read the config.json file from the mounted filesystem,
e.g. the SD card of a provisioned device or balenaOS image.
`;
public static examples = [
'$ balena config read --type raspberrypi3',
'$ balena config read --type raspberrypi3 --drive /dev/disk2',
];
public static usage = 'config read';
public static flags: flags.Input<FlagsDef> = {
type: cf.deviceType,
drive: cf.driveOrImg,
help: cf.help,
};
public static authenticated = true;
public static root = true;
public async run() {
const { flags: options } = this.parse<FlagsDef, {}>(ConfigReadCmd);
const { safeUmount } = await import('../../utils/umount');
const drive =
options.drive || (await getVisuals().drive('Select the device drive'));
await safeUmount(drive);
const config = await import('balena-config-json');
const configJSON = await config.read(drive, options.type);
const prettyjson = await import('prettyjson');
console.info(prettyjson.render(configJSON));
}
}