Cleaner api request, logging and use absolute path for files

main.py

 #!/usr/bin/env python3
+import os
 from configparser import ConfigParser
+import logging
 import socket
 
 from re2oapi import Re2oAPIClient
 
+LOG_LEVEL = logging.INFO
+
+logger = logging.getLogger()
+logger.setLevel(LOG_LEVEL)
+formatter = logging.Formatter('%(levelname)s :: %(message)s')
+stream_handler = logging.StreamHandler()
+stream_handler.setFormatter(formatter)
+stream_handler.setLevel(LOG_LEVEL)
+logger.addHandler(stream_handler)
+
+BASE_DIR = os.path.dirname(os.path.abspath(__file__))
+
 config = ConfigParser()
-config.read('config.ini')
+config.read(os.path.join(BASE_DIR, 'config.ini'))
 
 api_hostname = config.get('Re2o', 'hostname')
 api_password = config.get('Re2o', 'password')
@@ -34,7 +48,7 @@ def regen_dhcp(api_client):
                 ipv4=ipv4
             ) for hostname, mac_address, ipv4 in hmi_list)
 
-        filename = 'generated/dhcp{extension}.list'.format(extension=extension)
+        filename = os.path.join(BASE_DIR, 'generated/dhcp{extension}.list'.format(extension=extension))
         with open(filename, 'w+') as f:
             f.write(dhcp_leases_content)
 
@@ -42,9 +56,8 @@ api_client = Re2oAPIClient(api_hostname, api_username, api_password)
 
 client_hostname = socket.gethostname().split('.', 1)[0]
 
-for service in api_client.list("services/regen"):
-    if service['hostname'] == client_hostname and \
-            service['service_name'] == 'dhcp' and \
-            service['need_regen']:
-            regen_dhcp(api_client)
-            api_client.patch(service['api_url'], data={'need_regen': False})
+for service in api_client.list("services/regen", params=dict(hostname=client_hostname)):
+    if service['service_name'] == 'dhcp' and service['need_regen']:
+        logger.info("Regenerating service dhcp")
+        regen_dhcp(api_client)
+        api_client.patch(service['api_url'], data={'need_regen': False})