Add logging

src/app.py

@@ -1,7 +1,7 @@
 from flask import Flask, request
 from reconnect import reboot
 from os import environ
-from subprocess import call
+from subprocess import call, DEVNULL, STDOUT
 
 app = Flask(__name__)
 
@@ -15,47 +15,58 @@ path = environ.get('ROUTER_PATH') or '/ws'
 
 @app.route('/', methods=['POST'])
 def result():
-    print(request.json)
-    return 'Received request, printing to console!'
+    app.logger.debug(request.json)
+    return 'Received request!'
 
 @app.route('/safe', methods=['POST'])
 def safe():
+    app.logger.info('Initializing safe reboot process')
+
     # Try to ping the router 100 times
     for i in range(50):
-        if call(['ping', '-c', '1', url]) == 0:
+        if call(['ping', '-c', '1', url], stdout=DEVNULL, stderr=STDOUT) == 0:
+            app.logger.info('Router is online')
             break
     else:
+        app.logger.error('Router is offline')
         return 'Error: Unable to ping and reboot router automatically!'
 
-    # Try to nslookup 5 different websites
+    # Try to nslookup 5 different websites to see if DNS is working
     websites = ['www.google.com', 'www.facebook.com', 'www.twitter.com', 'www.reddit.com', 'www.amazon.com']
     success = 0
-
     for website in websites:
-        if call(['nslookup', website]) == 0:
+        if call(['nslookup', website], stdout=DEVNULL, stderr=STDOUT) == 0:
+            app.logger.info(f'Successfully resolved {website}')
             success += 1
 
     if success > 3:
+        app.logger.error('Websites resolved successfully')
         return 'Error: DNS seems to be working, debug manually!'
 
     # Reboot router
+    app.logger.info('Rebooting router')
     status = reboot(url, path, username, password).text
 
     if '{"status":true}' not in status:
+        app.logger.error('Reboot failed')
         return 'Error: Something went wrong while rebooting router!'
 
+    app.logger.info('Reboot successful')
     return 'Success: Rebooted router!'
 
 @app.route('/force', methods=['POST'])
 def force():
+    app.logger.info('Initializing force reboot process')
     status = reboot(url, path, username, password).text
 
     if '{"status":true}' not in status:
+        app.logger.error('Reboot failed')
         return 'Error: Something went wrong while rebooting router!'
 
+    app.logger.info('Reboot successful')
     return 'Success: Rebooted router!'
 
 @app.route('/grafana', methods=['POST'])
 def grafana():
     if request.json['state'] == 'alerting':
-        safe()
+        return safe()