Refactored API and views

src/api/index.py

@@ -48,19 +48,39 @@ class_write= CONFIG['store']['class']['write']
 factory = DataSourceFactory()
 # gReader = factory.instance(type=class_read,args=p)
 
-@app.route('/1/get/apps')
+@app.route('/1/get/nodes')
 def get_apps():
     """
 		This function returns the labels of applications for every node registered
+		@param None
 		e.g: apps@zulu.org
 	"""
 	r = []
 	try:
+		gReader = factory.instance(type=class_read,args=p)
+		r =  gReader.view('summary/nodes',key=p['uid'])
+	except Exception,e:
+		print (e)
+	return json.dumps(r)
+
+@app.route('/1/get/apps')
+def get_apps():
+    """
+		This function returns the applications for a given node
+		@param node identifier e.g: apps@zulu.org
+	"""
+	r = []
+	try:
+		node_id = request.args.get('node')
 		gReader = factory.instance(type=class_read,args=p)
 		r =  gReader.view('summary/app_names',key=p['uid'])
+		r = r[node_id]
 	except Exception,e:
 		print (e)
 	return json.dumps(r)
+
+
+
 @app.route('/1/get/summary/<id>')
 def get_summary(id):
     """
@@ -88,7 +108,7 @@ def get_usage_trend():
 	"""
 
 		This function returns cpu/memory usage for the entire system being monitored. It will return the 24 most recent observations in the logs
-		No parameters should be passed.
+		@param 	None
 		@return {memory_usage:[],cpu_usage:[],app_count:value,memory_available:[]}
 	"""
 	r = {}
@@ -104,34 +124,38 @@ def get_usage_trend():
 def get_usage_detail():
 	"""
 		This function returns detailed information about usage per application monitored. It will return the 24 most recent observations in the logs
-		No parameters should be passed
+		
-		@return {app_1:{memory_usage:[],cpu_usage:[]},app_2:{memory_usage:[],cpu_usage:[]},...}
+		@param node	node identifier e.g: apps@zulu.io
-		@TODO: 
+		@return {node_x:{app_1:{memory_usage:[],cpu_usage:[]}},...}
-			- add node references because if the same application lives on other nodes the info will be overriden
-			- parameters to be passed will be the node information
 	"""
 	r = {}
 	try:
+		id = request.args.get('node')
 		gReader = factory.instance(type=class_read,args=p)
 		r = gReader.view('summary/app_resource_usage_details',key=p['uid'])
+		r = r[id]
 	except Exception,e:
 		print (e)
 	return json.dumps(r)
-@app.route('/1/app/status/<id>')
+@app.route('/1/app/status')
-def app_status(id) :
+def app_status() :
     	"""
 		This function aggregates the number of crashes/running/idle instances found in the past 24 log entries
-			@TODO: The back-end doesn't allow nodes to be specified
+		
-			@param id	node that contains an app
+		@param nid	node identifier e.g: app@zulu.io
+		@param aid	application identifier e.g: kate, firefox, chrome ... specified in the configuraiton
 	"""
 	r = []
     	try:
+		nid = request.args.get('node') # Node identifier
+		aid = request.args.get('app') # application identifier
+		
 		gReader = factory.instance(type=class_read,args=p)
 		r = gReader.view('summary/app_status_details',key=p['uid'])
 		#
 		#@TODO: Once the back-end enables the nodes in which the application is running, uncomment the line below
 		#
-			#r = r[id]
+		r = r[nid][aid]
 	except Exception,e:
 		print e
 	return r