Report Host OS version to the API

CHANGELOG.md

@@ -1,3 +1,4 @@
+* Report Host OS version to the API [Pablo]
 * Use _.defaults instead of _.extend to ensure internal env vars are not overwritten [Pablo]
 * Expose resin API key to apps [Pablo]
 * On download start, set download_progress to 0. On finish, set state to Idle [Pablo]

src/app.coffee

@@ -24,6 +24,8 @@ knex.init.then ->
 
 		bootstrap.done
 		.then ->
+			device.getOSVersion()
+		.then (osVersion) ->
 			console.log('Starting API server..')
 			api(application).listen(config.listenPort)
 			# Let API know what version we are, and our api connection info.
@@ -31,6 +33,7 @@ knex.init.then ->
 			device.updateState(
 				api_port: config.listenPort
 				api_secret: secret
+				os_version: osVersion
 				supervisor_version: utils.supervisorVersion
 				provisioning_progress: null
 				provisioning_state: ''

src/config.coffee

@@ -36,3 +36,4 @@ module.exports = config =
 		logsChannel: process.env.RESIN_SUPERVISOR_LOGS_CHANNEL ? null
 	vpnStatusPath: process.env.VPN_STATUS_PATH ? '/mnt/root/run/openvpn/vpn_status'
 	checkInt: checkInt
+	hostOsVersionPath: process.env.HOST_OS_VERSION_PATH ? '/mnt/root/etc/os-release'

src/device.coffee

@@ -177,3 +177,16 @@ exports.updateState = do ->
 		if !applyPromise.isPending()
 			applyState()
 		return
+
+exports.getOSVersion = ->
+	fs.readFileAsync(config.hostOsVersionPath)
+	.then (releaseData) ->
+		lines = _.split(releaseData, "\n")
+		releaseItems = {}
+		for line in lines
+			[ key, val ] = _.split(line, '=')
+			releaseItems[_.trim(key)] = _.trim(val)
+		return releaseItems['PRETTY_NAME']
+	.catch (err) ->
+		console.log("Could not get OS Version: ", err, err.stack)
+		return undefined