[DBBackup] Fix config file name

pica-db-backup/backup_env_var.py

@@ -21,21 +21,15 @@ def add_value_to_key(value, key):
         else:
             os.environ[key] = value
 
-CONFIG_FOLDER = '/config'
-CONFIG_FILE = os.environ['HOSTNAME']
-PATH_TO_CONFIG = CONFIG_FOLDER + '/' + CONFIG_FILE + '.json'
+CONFIG_FILE = '/config/backup_config.json'
 
 # Check if config file exists
-if not(os.path.exists(CONFIG_FOLDER)):
-    sys.stderr.write('Err: BACKUP_FOLDER or CONFIG_FOLDER doesn\'t exist. \n')
-    sys.exit()
-
-if not(os.path.isfile(PATH_TO_CONFIG)):
-    sys.stderr.write('Err: ' + PATH_TO_CONFIG +  ' not found. \n')
+if not(os.path.isfile(CONFIG_FILE)):
+    sys.stderr.write("Error : {0} config file not found".format(CONFIG_FILE))
     sys.exit()
 
 # Variables initialization
-open_config_file = open(PATH_TO_CONFIG)
+open_config_file = open(CONFIG_FILE)
 services_list = json.load(open_config_file)
 flag_mongo = False
 flag_mysql = False