Perform a small refactor

Dockerfile

@@ -1,4 +1,3 @@
-# For more information, please refer to https://aka.ms/vscode-docker-python
 FROM python:3.8-slim-buster
 
 # Keeps Python from generating .pyc files in the container
@@ -7,7 +6,6 @@ ENV PYTHONDONTWRITEBYTECODE 1
 # Turns off buffering for easier container logging
 ENV PYTHONUNBUFFERED 1
 
-# Install pip requirements
 ADD requirements.txt .
 RUN python -m pip install -r requirements.txt
 
@@ -15,13 +13,11 @@ WORKDIR /app
 COPY alertify.py /app
 COPY src /app/src
 
-# Switching to a non-root user, please refer to https://aka.ms/vscode-docker-python-user-rights
 RUN useradd appuser && chown -R appuser /app
 USER appuser
 
 EXPOSE 8080
 
-# During debugging, this entry point will be overridden. For more information, please refer to https://aka.ms/vscode-docker-python-debug
 CMD ["python", "alertify.py"]
 
 HEALTHCHECK --interval=30s --timeout=3s --retries=1 \

alertify.py

@@ -56,8 +56,6 @@ if __name__ == '__main__':
 
         args = parse_cli()
 
-        logging.info('Version: %s', alertify.__version__)
-
         # forwarder = alertify.Alertify(args.config)
         forwarder = alertify.Alertify()
 
@@ -69,6 +67,8 @@ if __name__ == '__main__':
             # Invert the sense of 'healthy' for Unix CLI usage
             return not forwarder.healthcheck.report()
 
+        logging.info('Version: %s', alertify.__version__)
+
         if forwarder.config.verbose:
             logging.debug('Parsed config:')
             for key, val in forwarder.config.items():

src/alertify/gotify.py

@@ -4,6 +4,7 @@ Module to handle communication with the Gotify server
 import http.client
 import json
 import logging
+import socket
 
 
 class Gotify:
@@ -35,8 +36,8 @@ class Gotify:
         try:
             self.api.request(method, url, body=body, headers=headers)
             response = self.api.getresponse()
-        except ConnectionRefusedError as error:
-            logging.error(error)
+        except (ConnectionRefusedError, socket.gaierror) as error:
+            logging.error('Connection error: %s', error)
             return {
                 'status': error.errno,
                 'reason': error.strerror,
@@ -52,7 +53,7 @@ class Gotify:
             try:
                 resp_obj['json'] = json.loads(rawbody.decode())
             except json.decoder.JSONDecodeError as error:
-                logging.error(error)
+                logging.error('Could not parse JSON: %s', error)
 
         logging.debug('Returned from Gotify:\n%s', json.dumps(resp_obj, indent=2))
         logging.debug('Status: %s, Reason: %s', resp_obj['status'], resp_obj['reason'])