fix netdata in docker and add timer charts

docker-compose.yml

@@ -1,4 +1,4 @@
-version: '2'
+version: '3'
 services:
 
   newsblur_web:
@@ -79,11 +79,11 @@ services:
     environment:
       - POSTGRES_USER=newsblur
       - POSTGRES_PASSWORD=newsblur
-    # healthcheck:
+    healthcheck:
-    #   test: ["CMD-SHELL", "pg_isready -U postgres"]
+      test: ["CMD-SHELL", "pg_isready -U postgres"]
-    #   interval: 10s
+      interval: 10s
-    #   timeout: 5s
+      timeout: 5s
-    #   retries: 5
+      retries: 5
     ports:
       - 5434:5432
     volumes:
@@ -173,8 +173,7 @@ services:
     volumes:
     - ./docker/netdata/netdatalib:/var/lib/netdata
     - ./docker/netdata/netdatacache:/var/cache/netdata
-    - ./docker/netdata/netdataconfig/netdata.conf:/etc/netdata/netdata.conf
+    - ./docker/netdata/netdataconfig/netdata.conf.j2:/etc/netdata/netdata.conf
     - ./docker/netdata/netdataconfig/python.d.conf:/usr/lib/netdata/conf.d/python.d.conf 
     - ./docker/netdata/netdataconfig/conf/:/usr/lib/netdata/conf.d/python.d/
     - ./docker/netdata/netdataconfig/charts/newsblur.chart.py:/usr/libexec/netdata/python.d/newsblur.chart.py
-  

docker/netdata/netdataconfig/charts/newsblur.chart.py

@@ -1,6 +1,7 @@
 from bases.FrameworkServices.SimpleService import SimpleService
 import os
 import requests
+import time
 
 requests.packages.urllib3.disable_warnings() 
 MONITOR_URL = os.getenv("MONITOR_URL")
@@ -32,7 +33,7 @@ class Service(SimpleService):
         self.context = self.configuration.get("context")
         self.chart_type = self.configuration.get("type", "line")
         self.order = [
-            self.configuration.get("chart_name")
+            self.configuration.get("chart_name"), "data retrieval time"
         ]
         self.monitor_data = call_monitor(self.endpoint)
         self.definitions = {
@@ -41,8 +42,11 @@ class Service(SimpleService):
                 'options': [None, self.title, None, None, self.context, self.chart_type], # line indicates that it is a line graph
                 'lines': [[key] for key in self.monitor_data] #must be a valid key in 'get_data()'s return 
                 
+            },
+            "data retrieval time": {
+                'options': [None, self.title + "Data Retrieval Time", None, None, self.context, "line"], # line indicates that it is a line graph
+                'lines': [["seconds"]] #must be a valid key in 'get_data()'s return 
             }
-            # add a chart to calculate time that it takes to make the calls to monitor
         }
     @staticmethod
     def check():
@@ -50,7 +54,11 @@ class Service(SimpleService):
 
     def get_data(self):
         data = {}
+        start = time.time()
         api_data = call_monitor(self.endpoint)
+        end = time.time()
+
+        retrieval_time = end - start
 
         for dimension_id in api_data.keys():
 
@@ -59,4 +67,10 @@ class Service(SimpleService):
 
             data[dimension_id] = api_data[dimension_id]
         
+        timer_chart = "data retrieval time"
+
+        if "seconds" not in self.charts[timer_chart]:
+            self.charts[timer_chart].add_dimension(["seconds"])
+
+        data["seconds"] = retrieval_time
         return data