Refactored config file parser and client

manage.py

@@ -14,11 +14,11 @@ def main():
         """)
 
     if (len(sys.argv)==2 and sys.argv[1]=="run"):
-        configuration = cnfparse.importConf("config/client.conf")
+        configuration, metrics = cnfparse.importConf("config/client.conf")
 
     cli = client.Client(configuration)
-    cli.startReporting(metricCollectors = 
-			collectables.collectables.provideAll())
+    cli.startReporting(metricCollectors =
+			collectables.collectables.provide(metrics))
 
 if __name__ == "__main__":
     main()

src/cnfparse.py

@@ -5,6 +5,7 @@ def importConf(path_to_file):
     try:
         config.read(path_to_file)
         params = {}
+        metrics = {}
         params["frequency"]       =  config.get("Client" , "Frequency")
         params["debugMode"]       =  config.get("Client" , "Debug")
         params["server_address"]  =  config.get("Server" , "Address")
@@ -12,13 +13,13 @@ def importConf(path_to_file):
         params["amqp_queue"]      =  config.get("AMQP"   , "Queue")
         params["amqp_user"]       =  config.get("AMQP"   , "User")
         params["amqp_pass"]       =  config.get("AMQP"   , "Pass")
-        params["cpu.usage"]       =  config.get("Metrics", "cpuUsage")
-        params["memory.usage"]    =  config.get("Metrics", "memoryUsage")
-        params["user.count"]      =  config.get("Metrics", "userCount")
-        params["swap.usage"]      =  config.get("Metrics", "swapUsage")
-        params["system.boot_time"]=  config.get("Metrics", "systemBootTime")
-        params["package.traffic"] =  config.get("Metrics", "packageTraffic")
-        params["data.traffic"]    =  config.get("Metrics", "dataTraffic")
+        metrics["cpu.usage"]       =  config.get("Metrics", "cpuUsage")
+        metrics["memory.usage"]    =  config.get("Metrics", "memoryUsage")
+        metrics["user.count"]      =  config.get("Metrics", "userCount")
+        metrics["swap.usage"]      =  config.get("Metrics", "swapUsage")
+        metrics["system.boot_time"]=  config.get("Metrics", "systemBootTime")
+        metrics["package.traffic"] =  config.get("Metrics", "packageTraffic")
+        metrics["data.traffic"]    =  config.get("Metrics", "dataTraffic")
     except configparser.NoSectionError:
         print("Config file contains error! Reason: Missing section.")
         raise
@@ -29,6 +30,6 @@ def importConf(path_to_file):
         print("Config file contains error! Reason: Missing section-header.")
         raise
 
-    return params
+    return params, metrics
 
 

src/collectables.py

 from metrics import *
 
-class collectables:
+ class collectables:
 
     __collectables = {
         std.cpu.usage.name:                     [std.cpu.usage],
         std.memory.usage.name:                  [std.memory.usage],
+        std.user.count.name:                    [std.user.count],
         std.network.packages_sent.name:         [std.network.packages_sent],
         std.network.packages_received.name:     [std.network.packages_received],
         std.network.bytes_sent.name:            [std.network.bytes_sent],
@@ -27,10 +28,12 @@ class collectables:
     def listMetricsNameToKey(key):
         return [x.name for x in collectables.__collectables[key]]
 
-    @staticmethod
+     @staticmethod
     def provide(requests = []):
+        valid_keys = collectables.listKeys()
+        reqs = [request for request, value in requests.items() if value=="True"]
         collectors = []
-        for request in requests:
+        for request in reqs:
             for item in collectables.__collectables[request]:
                 collectors.append(item.harvest)
         seen = set()

src/metrics.py

@@ -51,10 +51,10 @@ class std (Collection):
     class user (Collection.Group):
 
         class count (Collection.Group.Metric):
-
+            name = "user.count"
             @staticmethod
             def harvest():
-                return Metrics("user.count", len(ps.get_users()))
+                return Metrics(std.user.count.name, len(ps.get_users()))
 
     class network (Collection.Group):