[refactor] rename scripts to uncloud

scripts/uncloud

@@ -0,0 +1,79 @@
+#!/usr/bin/env python3
+import argparse
+import logging
+import importlib
+import multiprocessing as mp
+import sys
+
+from logging.handlers import SysLogHandler
+
+from ucloud.common.logging import NoTracebackStreamHandler
+from ucloud.configure.main import configure_parser
+
+
+def exception_hook(exc_type, exc_value, exc_traceback):
+    logging.getLogger(__name__).error(
+        'Uncaught exception',
+        exc_info=(exc_type, exc_value, exc_traceback)
+    )
+
+
+sys.excepthook = exception_hook
+
+
+if __name__ == '__main__':
+    # Setting up root logger
+    logger = logging.getLogger()
+    logger.setLevel(logging.DEBUG)
+
+    syslog_handler = SysLogHandler(address='/dev/log')
+    syslog_handler.setLevel(logging.DEBUG)
+    syslog_formatter = logging.Formatter('%(pathname)s:%(lineno)d -- %(levelname)-8s %(message)s')
+    syslog_handler.setFormatter(syslog_formatter)
+
+    stream_handler = NoTracebackStreamHandler()
+    stream_handler.setLevel(logging.INFO)
+    stream_formatter = logging.Formatter('%(message)s')
+    stream_handler.setFormatter(stream_formatter)
+
+    logger.addHandler(syslog_handler)
+    logger.addHandler(stream_handler)
+
+    arg_parser = argparse.ArgumentParser()
+    subparsers = arg_parser.add_subparsers(dest="command")
+    
+    api_parser = subparsers.add_parser("api")
+    
+    host_parser = subparsers.add_parser("host")
+    host_parser.add_argument("--hostname", required=True)
+
+    scheduler_parser = subparsers.add_parser("scheduler")
+
+    filescanner_parser = subparsers.add_parser("filescanner")
+
+    imagescanner_parser = subparsers.add_parser("imagescanner")
+
+    metadata_parser = subparsers.add_parser("metadata")
+
+    config_parser = subparsers.add_parser("configure")
+    configure_parser(config_parser)
+    args = arg_parser.parse_args()
+
+    if not args.command:
+        arg_parser.print_help()
+    else:
+
+        # if we start etcd in seperate process with default settings
+        # i.e inheriting few things from parent process etcd3 module
+        # errors out, so the following command configure multiprocessing
+        # module to not inherit anything from parent.
+        mp.set_start_method('spawn')
+
+        arguments = vars(args)
+        try:
+            name = arguments.pop('command')
+            mod = importlib.import_module("ucloud.{}.main".format(name))
+            main = getattr(mod, "main")
+            main(**arguments)
+        except Exception as err:
+            logger.exception(err)