[Feature] Added commandline arguments, config file management, power logging to

the nrm daemon.

Pipfile

@@ -9,6 +9,7 @@ six = "==1.11.0"
 pyzmq = "==16.0.4"
 tornado = "==4.5.3"
 numpy = "*"
+argparse = "*"
 
 [dev-packages]
 pytest = "*"

bin/daemon

 #!/usr/bin/env python2
 
+import argparse
+import json
+import sys
 import nrm
 import nrm.daemon
 
+def main(argv=None):
+  if argv is None:
+    argv = sys.argv
+
+  conf_parser = argparse.ArgumentParser(
+    description=__doc__,
+    formatter_class=argparse.RawDescriptionHelpFormatter,
+    add_help=False
+    )
+  conf_parser.add_argument("-c", "--configuration",
+                    help="Specify a config json-formatted config file that use any \
+                            CLI option. Any actually provided command-line options \
+                            will silently override a corresponding value from the \
+                            configuration file, if it exists.", metavar="FILE")
+  conf_parser.add_argument("-d","--print_defaults", action='store_true'
+          , help="Print the default configuration file.")
+  args, remaining_argv = conf_parser.parse_known_args()
+
+  defaults = { "log":"/tmp/argo_daemon.log"
+             , "log_power":"/tmp/argo_daemon_power.log" }
+
+  if args.print_defaults:
+    print defaults
+    return(0)
+
+  if args.configuration:
+    defaults.update(json.load(open(args.configuration)))
+
+  parser = argparse.ArgumentParser( parents=[conf_parser])
+  parser.set_defaults(**defaults)
+  parser.add_argument("--log", help="Main log file.",metavar="FILE")
+  parser.add_argument("--log_power", help="Power data log file (High throughput).",metavar="FILE")
+  args = parser.parse_args(remaining_argv)
+  nrm.daemon.runner(config=args)
+  return(0)
+
 if __name__ == "__main__":
-    nrm.daemon.runner()
+  sys.exit(main())

doc/daemon.json

+{
+  "log":"/tmp/daemon_log.log"
+  "log_power":"/tmp/daemon_power.log"
+}

nrm/daemon.py

@@ -20,11 +20,12 @@ RPC_MSG = MSGTYPES['up_rpc_rep']
 PUB_MSG = MSGTYPES['up_pub']
 
 logger = logging.getLogger('nrm')
-
+logger_power = logging.getLogger('power')
 
 class Daemon(object):
-    def __init__(self):
+    def __init__(self, config):
         self.target = 100.0
+        self.config = config
 
     def do_downstream_receive(self, parts):
         logger.info("receiving downstream message: %r", parts)
@@ -316,8 +317,22 @@ class Daemon(object):
         ioloop.IOLoop.current().start()
 
 
-def runner():
+def runner(config):
     ioloop.install()
-    logging.basicConfig(level=logging.DEBUG)
-    daemon = Daemon()
+
+    logger.setLevel(logging.DEBUG)
+    logger_power.setLevel(logging.DEBUG)
+
+    if config.log:
+        print("Logging to %s" %config.log)
+        logger.addHandler(logging.FileHandler(config.log))
+
+    if config.log_power:
+        print("Logging power data to %s" %config.log_power)
+        formatter=logging.Formatter('%(message)s')
+        handler=logging.FileHandler(config.log_power)
+        handler.setFormatter(formatter)
+        logger_power.addHandler(handler)
+
+    daemon = Daemon(config)
     daemon.main()