added application files

app/metrics.txt

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+
+Bitcoin_USD: 36141.7367
+Bitcoin_EUR: 32214.5033

app/python-node-exporter.py

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+import requests
+import http.server
+import socketserver
+import time
+from threading import Thread
+
+
+
+def GetDataFunc():
+    while True :
+
+        #----------------------------------------------------------------------------------
+        #----------------------------------------------------------------------------------
+        #               in this part, i'll get some data from an API
+        #
+        #					and put it into "metricsDictionary"
+        #
+        #              you can remove this part and add your own script
+        #
+        #             (put your key/value items into "metricsDictionary")
+        #----------------------------------------------------------------------------------
+        #----------------------------------------------------------------------------------
+       
+        service = requests.get("https://api.coindesk.com/v1/bpi/currentprice.json",timeout=3)
+        service_json  = service.json()
+
+        metricsDictionary = {}
+        metricsDictionary["Bitcoin_USD: "] = service_json["bpi"]["USD"]["rate"].replace(",", "")
+        metricsDictionary["Bitcoin_EUR: "] = service_json["bpi"]["EUR"]["rate"].replace(",", "")
+
+        #----------------------------------------------------------------------------------
+        #----------------------------------------------------------------------------------
+        #
+        #	Now, I'll put all key/value items of metricsDictionary into metrics.txt file
+        #
+        #----------------------------------------------------------------------------------
+        #----------------------------------------------------------------------------------
+
+        # This function will get data every 5 seconds
+        time.sleep(5)
+
+        # open file to write new data
+        file_object = open('metrics.txt', 'w')
+        
+        for item in metricsDictionary :
+            file_object.write("\n")
+            file_object.write(item)
+            file_object.write(metricsDictionary[item])
+
+
+# run GetDataFunc func in the background
+background_thread = Thread(target = GetDataFunc)
+background_thread.start()
+
+
+
+
+
+#----------------run http server on port 9999-----------------
+
+def WebServer():
+    PORT = 9999
+
+    Handler = http.server.SimpleHTTPRequestHandler
+
+    with socketserver.TCPServer(("", PORT), Handler) as httpd:
+        print("serving at port", PORT)
+        httpd.serve_forever()
+
+
+# run WebServer func in the background
+background_thread = Thread(target = WebServer)
+background_thread.start()

app/requirements.txt

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+requests