cli refactoring: node format

setup.py

@@ -75,6 +75,7 @@ setup(name=name,
         'slapos.cli': [
           'cache lookup = slapos.cli.cache:CacheLookupCommand',
           'node bang = slapos.cli.bang:BangCommand',
+          'node format = slapos.cli.format:FormatCommand',
         ]
       },
       test_suite="slapos.tests",

slapos/cli/format.py

+# -*- coding: utf-8 -*-
+
+import logging
+import sys
+
+from slapos.cli.config import ConfigCommand
+from slapos.format import do_format, FormatConfig, tracing_monkeypatch, UsageError
+
+
+class FormatCommand(ConfigCommand):
+
+    log = logging.getLogger('slapformat')
+
+    def get_parser(self, prog_name):
+        ap = super(FormatCommand, self).get_parser(prog_name)
+
+        ap.add_argument('-x', '--computer_xml',
+                        help="Path to file with computer's XML. If does not exists, will be created",
+                        default=None)
+
+        ap.add_argument('--computer_json',
+                        help="Path to a JSON version of the computer's XML (for development only).",
+                        default=None)
+
+        ap.add_argument('-l', '--log_file',
+                        help="The path to the log file used by the script.")
+
+        ap.add_argument('-i', '--input_definition_file',
+                        help="Path to file to read definition of computer instead of "
+                        "declaration. Using definition file allows to disable "
+                        "'discovery' of machine services and allows to define computer "
+                        "configuration in fully controlled manner.")
+
+        ap.add_argument('-o', '--output_definition_file',
+                        help="Path to file to write definition of computer from "
+                        "declaration.")
+
+        ap.add_argument('-n', '--dry_run',
+                        help="Don't actually do anything.",
+                        default=False,
+                        action="store_true")
+
+        ap.add_argument('--alter_user',
+                        choices=['True', 'False'],
+                        help="Shall slapformat alter user database [default: True]")
+
+        ap.add_argument('--alter_network',
+                        choices=['True', 'False'],
+                        help="Shall slapformat alter network configuration [default: True]")
+
+        ap.add_argument('--now',
+                        help="Launch slapformat without delay",
+                        default=False,
+                        action="store_true")
+
+        return ap
+
+    def take_action(self, args):
+        configuration_parser = self.fetch_config(args)
+
+        config = FormatConfig(logger=self.log)
+
+        try:
+            config.setConfig(args, configuration_parser)
+        except UsageError as err:
+            sys.stderr.write(err.message + '\n')
+            sys.stderr.write("For help use --help\n")
+            sys.exit(1)
+
+        tracing_monkeypatch(config)
+
+        try:
+            do_format(config=config)
+        except:
+            self.log.exception('Uncaught exception:')
+            raise