balena-cli/build/commands/local/flash.js

The official balena Command Line Interface

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const core_1 = require("@oclif/core");
const errors_1 = require("../../errors");
const cf = require("../../utils/common-flags");
const lazy_1 = require("../../utils/lazy");
class LocalFlashCmd extends core_1.Command {
    async run() {
        const { args: params, flags: options } = await this.parse(LocalFlashCmd);
        if (process.platform === 'linux') {
            const { promisify } = await Promise.resolve().then(() => require('util'));
            const { exec } = await Promise.resolve().then(() => require('child_process'));
            const execAsync = promisify(exec);
            let distroVersion = '';
            try {
                const info = await execAsync('cat /proc/version');
                distroVersion = info.stdout.toLowerCase();
            }
            catch (_a) {
            }
            if (distroVersion.includes('microsoft')) {
                throw new errors_1.ExpectedError((0, lazy_1.stripIndent) `
				This command is known not to work on WSL. Please use a CLI release
				for Windows (not WSL), or balenaEtcher.`);
            }
        }
        const drive = await this.getDrive(options);
        const { confirm } = await Promise.resolve().then(() => require('../../utils/patterns'));
        await confirm(options.yes, 'This will erase the selected drive. Are you sure?');
        const { sourceDestination, multiWrite } = await Promise.resolve().then(() => require('etcher-sdk'));
        const file = new sourceDestination.File({
            path: params.image,
        });
        const source = await file.getInnerSource();
        const visuals = (0, lazy_1.getVisuals)();
        const progressBars = {
            flashing: new visuals.Progress('Flashing'),
            verifying: new visuals.Progress('Validating'),
        };
        await multiWrite.pipeSourceToDestinations({
            source,
            destinations: [drive],
            onFail: (_, error) => {
                console.error((0, lazy_1.getChalk)().red.bold(error.message));
                if (error.message.includes('EACCES')) {
                    console.error((0, lazy_1.getChalk)().red.bold('Try running this command with elevated privileges, with sudo or in a shell running with admininstrator privileges.'));
                }
            },
            onProgress: (progress) => {
                progressBars[progress.type].update(progress);
            },
            verify: true,
        });
    }
    async getDrive(options) {
        const drive = options.drive || (await (0, lazy_1.getVisuals)().drive('Select a drive'));
        const sdk = await Promise.resolve().then(() => require('etcher-sdk'));
        const adapter = new sdk.scanner.adapters.BlockDeviceAdapter({
            includeSystemDrives: () => false,
            unmountOnSuccess: false,
            write: true,
            direct: true,
        });
        const scanner = new sdk.scanner.Scanner([adapter]);
        await scanner.start();
        try {
            const d = scanner.getBy('device', drive);
            if (d === undefined ||
                !(d instanceof sdk.sourceDestination.BlockDevice)) {
                throw new errors_1.ExpectedError(`Drive not found: ${options.drive}`);
            }
            return d;
        }
        finally {
            scanner.stop();
        }
    }
}
LocalFlashCmd.description = (0, lazy_1.stripIndent) `
		Flash an image to a drive.

		Flash a balenaOS image to a drive.
		Image file may be one of: .img|.zip|.gz|.bz2|.xz

		If --drive is not specified, then it will interactively
		show a list of available drives for selection.
	`;
LocalFlashCmd.examples = [
    '$ balena local flash path/to/balenaos.img',
    '$ balena local flash path/to/balenaos.img --drive /dev/disk2',
    '$ balena local flash path/to/balenaos.img --drive /dev/disk2 --yes',
];
LocalFlashCmd.args = {
    image: core_1.Args.string({
        description: 'path to OS image',
        required: true,
    }),
};
LocalFlashCmd.flags = {
    drive: cf.drive,
    yes: cf.yes,
};
LocalFlashCmd.offlineCompatible = true;
exports.default = LocalFlashCmd;
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