logging rethink

* well lets replace f-strings by %s as it is originally recommended
* use syslog handler by default

package/archlinux/ahriman.tmpfiles

@@ -1,2 +1 @@
-d /var/lib/ahriman 0775 ahriman log
 d /var/log/ahriman 0755 ahriman ahriman

package/etc/ahriman.ini.d/logging.ini

@@ -2,10 +2,10 @@
 keys = root,builder,build_details,http
 
 [handlers]
-keys = console_handler,build_file_handler,file_handler,http_handler
+keys = console_handler,build_file_handler,file_handler,http_handler,syslog_handler
 
 [formatters]
-keys = generic_format
+keys = generic_format,syslog_format
 
 [handler_console_handler]
 class = StreamHandler
@@ -31,29 +31,39 @@ level = DEBUG
 formatter = generic_format
 args = ("/var/log/ahriman/http.log", "a", 20971520, 20)
 
+[handler_syslog_handler]
+class = logging.handlers.SysLogFileHandler
+level = DEBUG
+formatter = syslog_format
+args = ("/dev/log",)
+
 [formatter_generic_format]
 format = [%(levelname)s %(asctime)s] [%(filename)s:%(lineno)d] [%(funcName)s]: %(message)s
 datefmt =
 
+[formatter_syslog_format]
+format = [%(levelname)s] [%(filename)s:%(lineno)d] [%(funcName)s]: %(message)s
+datefmt =
+
 [logger_root]
 level = DEBUG
-handlers = file_handler
+handlers = syslog_handler
 qualname = root
 
 [logger_builder]
 level = DEBUG
-handlers = file_handler
+handlers = syslog_handler
 qualname = builder
 propagate = 0
 
 [logger_build_details]
 level = DEBUG
-handlers = build_file_handler
+handlers = syslog_handler
 qualname = build_details
 propagate = 0
 
 [logger_http]
 level = DEBUG
-handlers = http_handler
+handlers = syslog_handler
 qualname = http
 propagate = 0