Issue #381: Set target deviceConfig values from preloaded apps

Also split out deviceConfig set and get to a separate module to avoid circular dependencies.

Change-Type: patch
Signed-off-by: Pablo Carranza Velez <pablo@resin.io>

src/application.coffee

@@ -16,6 +16,7 @@ fs = Promise.promisifyAll(require('fs'))
 JSONStream = require 'JSONStream'
 proxyvisor = require './proxyvisor'
 { checkInt } = require './lib/validation'
+deviceConfig = require './device-config'
 
 class UpdatesLockedError extends TypedError
 ImageNotFoundError = (err) ->
@@ -427,11 +428,11 @@ executeSpecialActionsAndHostConfig = (conf, oldConf) ->
 			device.setHostConfig(hostConfigVars, oldHostConfigVars, logSystemMessage)
 
 getAndApplyDeviceConfig = ->
-	device.getConfig()
+	deviceConfig.get()
 	.then ({ values, targetValues }) ->
 		executeSpecialActionsAndHostConfig(targetValues, values)
 		.tap ->
-			device.setConfig({ values: targetValues })
+			deviceConfig.set({ values: targetValues })
 		.then (needsReboot) ->
 			device.reboot() if needsReboot
 
@@ -634,7 +635,7 @@ application.update = update = (force, scheduled = false) ->
 					remoteDeviceConfig = {}
 					_.map remoteAppIds, (appId) ->
 						_.merge(remoteDeviceConfig, JSON.parse(remoteApps[appId].config))
-					device.setConfig({ targetValues: remoteDeviceConfig })
+					deviceConfig.set({ targetValues: remoteDeviceConfig })
 					.then ->
 						getAndApplyDeviceConfig()
 				.catch (err) ->

src/bootstrap.coffee

@@ -7,6 +7,8 @@ fs = Promise.promisifyAll(require('fs'))
 config = require './config'
 configPath = '/boot/config.json'
 appsPath  = '/boot/apps.json'
+_ = require 'lodash'
+deviceConfig = require './device-config'
 userConfig = {}
 
 DuplicateUuidError = (err) ->
@@ -15,6 +17,7 @@ DuplicateUuidError = (err) ->
 bootstrapper = {}
 
 loadPreloadedApps = ->
+	devConfig = {}
 	knex('app').truncate()
 	.then ->
 		fs.readFileAsync(appsPath, 'utf8')
@@ -23,7 +26,11 @@ loadPreloadedApps = ->
 		utils.extendEnvVars(app.env, userConfig.uuid, app.appId, app.name, app.commit)
 		.then (extendedEnv) ->
 			app.env = JSON.stringify(extendedEnv)
+			_.merge(devConfig, app.config)
+			app.config = JSON.stringify(app.config)
 			knex('app').insert(app)
+	.then ->
+		deviceConfig.set({ targetValues: devConfig })
 	.catch (err) ->
 		utils.mixpanelTrack('Loading preloaded apps failed', { error: err })
 

src/device-config.coffee

@@ -0,0 +1,15 @@
+knex = require './db'
+
+exports.set = (conf) ->
+	confToUpdate = {}
+	confToUpdate.values = JSON.stringify(conf.values) if conf.values?
+	confToUpdate.targetValues = JSON.stringify(conf.targetValues) if conf.targetValues?
+	knex('deviceConfig').update(confToUpdate)
+
+exports.get = ->
+	knex('deviceConfig').select()
+	.then ([ deviceConfig ]) ->
+		return {
+			values: JSON.parse(deviceConfig.values)
+			targetValues: JSON.parse(deviceConfig.targetValues)
+		}

src/device.coffee

@@ -224,16 +224,3 @@ do ->
 
 exports.getOSVersion = memoizePromise ->
 	utils.getOSVersion(config.hostOsVersionPath)
-
-exports.getConfig = ->
-	knex('deviceConfig').select()
-	.then ([ deviceConfig ]) ->
-		return {
-			values: JSON.parse(deviceConfig.values)
-			targetValues: JSON.parse(deviceConfig.targetValues)
-		}
-exports.setConfig = (conf) ->
-	confToUpdate = {}
-	confToUpdate.values = JSON.stringify(conf.values) if conf.values?
-	confToUpdate.targetValues = JSON.stringify(conf.targetValues) if conf.targetValues?
-	knex('deviceConfig').update(confToUpdate)