tools/cli: add new args for cli

* `-d`/`--debug` global arg
* subparser for command `update`
* positional arg `hosts` for update command
* optional arg `enablerepo` for update command
* intermediate func for wrapping command

Signed-off-by: Olivier Hoareau <olivier.hoareau@vates.tech>

Author: olivierh-pro

lib/tools/cli.py

@@ -3,10 +3,45 @@
 The main entrypoint for running tools script.
 """
 import argparse
+import logging
+
+from lib.common import HostAddress
+from lib.tools import logger
+from lib.tools.tasks.update import update_all
+
+def _command_update(args):
+    update_all(args.hosts, args.repos)
+
 
 def cli():
     parser = argparse.ArgumentParser(
         description="Tools that help developers for running recurrent tasks on their XCP-ng sandbox."
     )
+    parser.add_argument("-d", "--debug", action="store_true", default=False, help="Enable debug level")
+
+    subparsers = parser.add_subparsers(required=True, metavar="COMMAND")
+
+    # subparser - command: update
+    subparser_cmd_update = subparsers.add_parser(
+        name="update",
+        description="Run update tasks on target(s)",
+        help="Run update tasks on target(s)",
+    )
+    subparser_cmd_update.add_argument(
+        "hosts", type=HostAddress, metavar="HOST", nargs="+", help="Hostname(s) or ip address(es) of target(s)"
+    )
+    subparser_cmd_update.add_argument(
+        "--enablerepo",
+        metavar="REPO",
+        action="append",
+        dest="repos",
+        help="repositories to enable when updating",
+    )
+    subparser_cmd_update.set_defaults(func=_command_update)
+
+    args = parser.parse_args()
+
+    if args.debug:
+        logger.setLevel(logging.DEBUG)
 
-    parser.parse_args()
+    args.func(args)