Add CheckEvent migration script

CHANGELOG.md

@@ -1,9 +1,10 @@
 Uptime Changelog
 ================
 
-To be released, V1.2
+To be released, v1.2
 --------------------
 
+* Changed the CheckEvent format for better extensibility (use the fixtures/fixEvents.js fix to migrate existing events)
 * Fix polling interval to mimic the behavior of a cron
 * Add a way to pause checks in the dashboard GUI, in the API, and in the model
 * Split Monitor class and configuration, to fix polling when `autoStartMonitor` is false
@@ -15,4 +16,9 @@ To be released, V1.2
 
 * Add support for HTTPS checks
 * Refactor poller class to allow adapter pattern. Opens the door for UDP, FTP, complete page... check types.
-* Removed proxy configuration (now uses environment variables)
+* Removed proxy configuration (now uses environment variables)
+
+2012-03-28, v1.0
+----------------
+
+* Initial version

fixtures/fixEvents.js

@@ -0,0 +1,33 @@
+var config   = require('config').mongodb;
+var mongoose = require('mongoose');
+var Schema   = mongoose.Schema;
+
+var CheckEvent = new Schema({
+  timestamp   : { type: Date, default: Date.now },
+  check       : { type: Schema.ObjectId, ref: 'Check' },
+  tags        : [String],
+  message     : String,
+  isGoDown    : Boolean,
+  details     : String,
+  // for error events, more details need to be persisted
+  downtime    : Number
+});
+
+mongoose.model('CheckEvent', CheckEvent);
+
+mongoose.connect('mongodb://' + config.user + ':' + config.password + '@' + config.server +'/' + config.database);
+mongoose.connection.on('error', function (err) {
+  console.error('MongoDB error: ' + err.message);
+  console.error('Make sure a mongoDB server is running and accessible by this application')
+});
+
+var Event = mongoose.model('CheckEvent');
+Event.find({ message: { $exists: false }}).each(function(err, event) {
+  if (err) {
+    console.log(err.message);
+    return;
+  }
+  if (!event) process.exit();
+  event.message = event.isGoDown ? 'down' : 'up';
+  event.save();
+})