Add optional support for rollbar

Re-targets to 1.10.0
Also installs an uncaught exception handler

Closes #150

NEWS.md

@@ -1,9 +1,14 @@
-1.9.1 -- 2014-MM-DD
+1.10.0 -- 2014-MM-DD
 -------------------
 
+New features:
+
+ - Add optional support for rollbar (#150)
+
 Enhancements:
 
  - Include tiler version in startup log
+ - Install an uncaught exception handler
 
 1.9.0 -- 2014-03-10
 -------------------

app.js

@@ -30,13 +30,22 @@ global.environment  = require(__dirname + '/config/environments/' + ENV);
 _.extend(global.settings, global.environment);
 
 global.log4js = require('log4js')
-log4js.configure({
+log4js_config = {
   appenders: [
     { type: "console", layout: { type:'basic' } }
   ],
   replaceConsole:true
-});
+};
 
+if ( global.environment.rollbar ) {
+  log4js_config.appenders.push({
+    type: __dirname + "/lib/cartodb/log4js_rollbar.js",
+    options: global.environment.rollbar
+  });
+}
+
+log4js.configure(log4js_config);
+global.logger = log4js.getLogger();
 
 // Include cartodb_windshaft only _after_ the "global" variable is set
 // See https://github.com/Vizzuality/Windshaft-cartodb/issues/28
@@ -71,3 +80,6 @@ process.on('SIGUSR2', function() {
   ws.dumpCacheStats();
 });
 
+process.on('uncaughtException', function(err) {
+  logger.error('Caught exception: ' + err);
+});

config/environments/production.js.example

@@ -122,6 +122,15 @@ var config = {
         https: 'cartocdn.global.ssl.fastly.net'
       }
     }
+    // Optional rollbar support
+    ,rollbar: {
+      token: 'secret',
+      // See http://github.com/rollbar/node_rollbar#configuration-reference
+      options: {
+        endpoint: 'https://api.rollbar.com/api/1/',
+        handler: 'inline'
+      }
+    }
 };
 
 module.exports = config;

config/environments/staging.js.example

@@ -122,6 +122,15 @@ var config = {
         https: 'cartocdn.global.ssl.fastly.net'
       }
     }
+    // Optional rollbar support
+    ,rollbar: {
+      token: 'secret',
+      // See http://github.com/rollbar/node_rollbar#configuration-reference
+      options: {
+        endpoint: 'https://api.rollbar.com/api/1/',
+        handler: 'inline'
+      }
+    }
 };
 
 module.exports = config;

lib/cartodb/log4js_rollbar.js

@@ -0,0 +1,49 @@
+var rollbar = require("rollbar");
+
+/**
+ * Rollbar Appender. Sends logging events to Rollbar using node-rollbar 
+ *
+ * @param config object with rollbar configuration data
+ * {
+ *   token: 'your-secret-token',
+ *   options: node-rollbar options
+ * }
+ */
+function rollbarAppender(config) {
+
+  var opt = config.options;
+	rollbar.init(opt.token, opt.options);
+	
+	return function(loggingEvent) {
+/*
+For logger.trace('one','two','three'):
+{ startTime: Wed Mar 12 2014 16:27:40 GMT+0100 (CET),
+  categoryName: '[default]',
+  data: [ 'one', 'two', 'three' ],
+  level: { level: 5000, levelStr: 'TRACE' },
+  logger: { category: '[default]', _events: { log: [Object] } } }
+*/
+
+    // Levels:
+    // TRACE  5000
+    // DEBUG 10000
+    // INFO  20000
+    // WARN  30000
+    // ERROR 40000
+    // FATAL 50000
+    //
+    // We only log error and higher errors
+    //
+    if ( loggingEvent.level.level < 40000 ) return;
+
+    rollbar.reportMessage(loggingEvent.data);
+	};
+}
+
+function configure(config) {
+	return rollbarAppender(config);
+}
+
+exports.name      = "rollbar";
+exports.appender  = rollbarAppender;
+exports.configure = configure;

npm-shrinkwrap.json

@@ -1,6 +1,6 @@
 {
   "name": "windshaft-cartodb",
-  "version": "1.9.0",
+  "version": "1.10.0",
   "dependencies": {
     "node-varnish": {
       "version": "0.2.0",
@@ -425,6 +425,17 @@
         }
       }
     },
+    "rollbar": {
+      "version": "0.3.1",
+      "dependencies": {
+        "node-uuid": {
+          "version": "1.4.1"
+        },
+        "lru-cache": {
+          "version": "2.2.4"
+        }
+      }
+    },
     "strftime": {
       "version": "0.6.2"
     },

package.json

@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "windshaft-cartodb",
-    "version": "1.9.1",
+    "version": "1.10.0",
     "description": "A map tile server for CartoDB",
     "keywords": [
       "cartodb"
@@ -31,7 +31,8 @@
         "redis-mpool": "http://github.com/CartoDB/node-redis-mpool/tarball/0.0.4",
         "mapnik": "~0.7.22",
         "lzma": "~1.2.3",
-        "log4js": "~0.6.10"
+        "log4js": "~0.6.10",
+        "rollbar": "~0.3.1"
     },
     "devDependencies": {
         "mocha": "1.14.0",