Efforts to make ucloud a python package

bin/ucloud

@@ -0,0 +1,59 @@
+#!/usr/bin/env python3
+
+import argparse
+import multiprocessing as mp
+import logging
+
+from os.path import join as join_path
+from ucloud.sanity_checks import check
+
+if __name__ == "__main__":
+    arg_parser = argparse.ArgumentParser(prog='ucloud',
+                                         description='Open Source Cloud Management Software')
+    arg_parser.add_argument('component',
+                            choices=['api', 'scheduler', 'host',
+                                     'filescanner', 'imagescanner',
+                                     'metadata'])
+    arg_parser.add_argument('component_args', nargs='*')
+    args = arg_parser.parse_args()
+
+    logging.basicConfig(
+        level=logging.DEBUG,
+        filename=join_path("logs.txt"),
+        filemode="a",
+        format="%(name)s %(asctime)s: %(levelname)s - %(message)s",
+        datefmt="%d-%b-%y %H:%M:%S",
+    )
+    try:
+        check()
+
+        if args.component == 'api':
+            from ucloud.api.main import main
+
+            main()
+        elif args.component == 'host':
+            from ucloud.host.main import main
+
+            hostname = args.component_args
+            mp.set_start_method('spawn')
+            main(*hostname)
+        elif args.component == 'scheduler':
+            from ucloud.scheduler.main import main
+
+            main()
+        elif args.component == 'filescanner':
+            from ucloud.filescanner.main import main
+
+            main()
+        elif args.component == 'imagescanner':
+            from ucloud.imagescanner.main import main
+
+            main()
+        elif args.component == 'metadata':
+            from ucloud.metadata.main import main
+
+            main()
+
+    except Exception as e:
+        logging.exception(e)
+        print(e)