Merge pull request #524 from telefonicaid/bug/fixAlamRaisedWithNull

Capture MongoDB connection events

Author: AlvaroVega

CHANGES_NEXT_RELEASE

@@ -23,3 +23,4 @@
 - FIX Missing operations manual (#485)
 - ADD a mechanism to share constants and error definitions between IoTAs (#386)
 - Alarm raises with null error (#521)
+- Capture mongo Connection Errors

lib/model/dbConn.js

@@ -30,6 +30,7 @@
 var mongoose = require('mongoose'),
     config = require('../commonConfig'),
     constants = require('../constants'),
+    alarms = require('../services/common/alarmManagement'),
     logger = require('logops'),
     async = require('async'),
     errors = require('../errors'),
@@ -111,6 +112,33 @@ function init(host, db, port, username, password, options, callback) {
                 lastError = error;
             } else {
                 defaultDb = candidateDb;
+
+                defaultDb.on('error', function(error) {
+                    alarms.raise(constants.MONGO_ALARM, error);
+
+                    logger.error(context, 'Mongo Driver error: %j', error);
+                });
+                defaultDb.on('connecting', function(error) {
+                    logger.debug(context, 'Mongo Driver connecting');
+                });
+                defaultDb.on('connected', function() {
+                    logger.debug(context, 'Mongo Driver connected');
+                });
+                defaultDb.on('reconnected', function() {
+                    logger.debug(context, 'Mongo Driver reconnected');
+                });
+                defaultDb.on('disconnected', function() {
+                    logger.debug(context, 'Mongo Driver disconnected');
+                });
+                defaultDb.on('disconnecting', function() {
+                    logger.debug(context, 'Mongo Driver disconnecting');
+                });
+                defaultDb.on('open', function() {
+                    logger.debug(context, 'Mongo Driver open');
+                });
+                defaultDb.on('close', function() {
+                    logger.debug(context, 'Mongo Driver close');
+                });
             }
 
             callback();

lib/services/common/iotManagerService.js

@@ -123,7 +123,17 @@ function register(callback) {
             getServices,
             sendRegistration,
             handleRegistration
-        ], callback);
+        ], function registerHandler(error) {
+            if (error) {
+                logger.error(context, 'Error connecting to IoT Manager: %j', error);
+
+                alarms.raise(constants.IOTAM_ALARM, 'Unknown error connecting with the IoTAM');
+
+                callback(error);
+            } else {
+                callback();
+            }
+        });
     } else {
         callback();
     }

package.json

@@ -39,7 +39,7 @@
     "jison": "0.4.17",
     "express": "^4.11.2",
     "logops": "1.0.0",
-    "mongoose": "^4.1.5",
+    "mongoose": "4.6.8",
     "mu2": "^0.5.20",
     "mustache": "0.8.2",
     "node-uuid": "^1.4.1",