Check supervisor version before attempting to do a local push

Signed-off-by: Cameron Diver <cameron@resin.io>

lib/utils/device/api.ts

@@ -24,6 +24,7 @@ const deviceEndpoints = {
 	getDeviceInformation: 'v2/local/device-info',
 	logs: 'v2/local/logs',
 	ping: 'ping',
+	version: 'v2/version',
 };
 
 export class DeviceAPI {
@@ -93,6 +94,23 @@ export class DeviceAPI {
 		);
 	}
 
+	public getVersion(): Promise<string> {
+		const url = this.getUrlForAction('version');
+
+		return DeviceAPI.promisifiedRequest(request.get, {
+			url,
+			json: true,
+		}).then(body => {
+			if (body.status !== 'success') {
+				throw new ApiErrors.DeviceAPIError(
+					'Non-successful response from supervisor version endpoint',
+				);
+			}
+
+			return body.version;
+		});
+	}
+
 	public getLogStream(): Bluebird<Stream.Readable> {
 		const url = this.getUrlForAction('logs');
 

lib/utils/device/deploy.ts

@@ -3,6 +3,7 @@ import * as Docker from 'dockerode';
 import * as _ from 'lodash';
 import { Composition } from 'resin-compose-parse';
 import { BuildTask, LocalImage } from 'resin-multibuild';
+import * as semver from 'resin-semver';
 import { Readable } from 'stream';
 
 import Logger = require('../logger');
@@ -39,9 +40,30 @@ export async function deployToDevice(opts: DeviceDeployOptions): Promise<void> {
 
 	const api = new DeviceAPI(logger, opts.deviceHost);
 
-	// TODO: Before merge, replace this with the supervisor version endpoint, to
-	// ensure we're working with a supervisor version that supports the stuff we need
+	// First check that we can access the device with a ping
+	try {
 		await api.ping();
+	} catch (e) {
+		exitWithExpectedError(
+			`Could not communicate with local mode device at address ${
+				opts.deviceHost
+			}`,
+		);
+	}
+
+	const versionError = new Error(
+		'The supervisor version on this remote device does not support multicontainer local mode. ' +
+		'Please update your device to resinOS v2.20.0 or greater from the dashboard.',
+	);
+
+	try {
+		const version = await api.getVersion();
+		if (!semver.satisfies(version, '>=7.21.4')) {
+			exitWithExpectedError(versionError);
+		}
+	} catch {
+		exitWithExpectedError(versionError);
+	}
 
 	logger.logInfo(`Starting build on device ${opts.deviceHost}`);