From 9339e6269d6f5a5d0421c23c5e9ba3c8500fb535 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 18 Oct 2015 16:44:27 +0200
Subject: wip

---
 diller.js     | 51 ++++++++++++++++++++++++++++++++++++++++++---------
 src/config.js | 12 ++++++++++++
 2 files changed, 54 insertions(+), 9 deletions(-)
 create mode 100644 src/config.js

diff --git a/diller.js b/diller.js
index 7627d31..aaad6c1 100644
--- a/diller.js
+++ b/diller.js
@@ -1,19 +1,52 @@
 var mqtt = require('mqtt');
+var fs = require('fs');
 var _ = require('underscore');
 var winston = require('winston');
 var bunyan = require('bunyan');
 var pg = require('pg');
-var connectionString = process.env.DATABASE_URL || 'postgres://diller:diller@localhost:5432/diller';
-var mqttUrl = process.env.MQTT_URL || 'mqtt://trygvis.io';
 
-var pgClient = new pg.Client(connectionString);
+var config = require('./src/config');
+
+function configureLogging(config) {
+  var cfg = {
+    name: 'main'
+  };
+
+  if (config.isProd()) {
+    cfg.streams = [
+      {
+        level: 'warn',
+        stream: process.stdout
+      },
+      {
+        level: 'debug',
+        path: 'log/diller.log'
+      }
+    ];
+
+    var stat;
+    try {
+      stat = fs.lstatSync('log');
+    } catch(e) {
+      // Assume this to to be ENOENT
+      fs.mkdirSync('log');
+    }
+    if (stat && !stat.isDirectory()) {
+      throw 'Not a directory: log';
+    }
+  }
+
+  return bunyan.createLogger(cfg);
+}
+
+var log = configureLogging(config);
+
+var pgClient = new pg.Client(config.postgresqlUrl);
 pgClient.connect();
 pgClient.on('connect', function () {
   log.info('connected to pg');
 });
 
-var log = bunyan.createLogger({name: 'main'});
-
 var apps = [
   './apps/logger',
   './apps/device',
@@ -23,7 +56,7 @@ var apps = [
 appConfig = {
   pg: {
     connect: function (cb) {
-      pg.connect(connectionString, cb);
+      pg.connect(config.postgresqlUrl, cb);
     }
   }
 };
@@ -33,13 +66,13 @@ apps = _.map(apps, function (name) {
   var app = require(name);
   var cfg = _.clone(appConfig);
 
-  cfg.log = bunyan.createLogger({name: name});
+  cfg.log = log.child({app: name});
   app.init(cfg);
   return {name: name, instance: app};
 });
 
-log.info('Connecting to ' + mqttUrl);
-var mqttClient = mqtt.connect(mqttUrl);
+log.info('Connecting to ' + config.mqttUrl);
+var mqttClient = mqtt.connect(config.mqttUrl);
 
 mqttClient.on('offline', function () {
   log.info('offline');
diff --git a/src/config.js b/src/config.js
new file mode 100644
index 0000000..949c284
--- /dev/null
+++ b/src/config.js
@@ -0,0 +1,12 @@
+function isProd() {
+  return process.env.NODE_ENV == 'prod';
+}
+
+var mqttUrl = process.env.MQTT_URL || 'mqtt://trygvis.io';
+var postgresqlUrl = process.env.DATABASE_URL || 'postgres://diller:diller@localhost:5432/diller';
+
+module.exports = {
+  isProd: isProd,
+  mqttUrl: mqttUrl,
+  postgresqlUrl: postgresqlUrl
+}
-- 
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