[2380] some option handling

src/bin/loadzone/loadzone.py.in

@@ -42,8 +42,16 @@ def set_cmd_options(parser):
     '''Helper function to set command-line options.
 
     '''
+    parser.add_option("-c", "--datasrc-conf", dest="conf", action="store",
+                      help="""(Mandatory) configuration of datasrc to load
+the zone in.  Example:
+'{"database_file": "/path/to/dbfile/db.sqlite3"}'""",
+                      metavar='CONFIG')
+    parser.add_option("-t", "--datasrc-type", dest="datasrc_type",
+                      action="store", default='sqlite3',
+                      help="type of data source (e.g., 'sqlite3')")
     parser.add_option("-v", "--verbose", dest="verbose", action="store_true",
-            help="display more about what is going on")
+                      help="display more about what is going on")
 
 class LoadZoneRunner:
     '''TBD
@@ -57,12 +65,20 @@ class LoadZoneRunner:
         self._zone_class = None
         self._zone_name = None
         self._zone_file = None
+        self._datasrc_config = None
+        self._datasrc_type = None
 
     def _parse_args(self):
         usage_txt = 'usage: %prog [options] zonename zonefile'
         parser = OptionParser(usage=usage_txt)
         set_cmd_options(parser)
         (options, args) = parser.parse_args(args=self.__command_args)
+
+        if options.conf is None:
+            raise BadArgument('data source config option cannot be omitted')
+        self._datasrc_config = options.conf
+        self._datasrc_type = options.datasrc_type
+
         if len(args) != 2:
             raise BadArgument('Unexpected number of arguments: %d (must be 2)'
                               % (len(args)))
@@ -71,6 +87,7 @@ class LoadZoneRunner:
         except Exception as ex: # too broad, but there's no better granurality
             raise BadArgument("Invalid zone name '" + args[0] + "': " +
                               str(ex))
+        self._zone_file = args[1]
 
     def __cancel_create(self):
         '''sqlite3-only hack: delete the zone just created on load failure.

src/bin/loadzone/tests/loadzone_test.py

@@ -49,7 +49,7 @@ class TestLoadZoneRunner(unittest.TestCase):
         shutil.copyfile(READ_ZONE_DB_FILE, WRITE_ZONE_DB_FILE)
 
         # default command line arguments
-        self.__args = ['example.org', 'example.zone']
+        self.__args = ['-c', DATASRC_CONFIG, 'example.org', 'example.zone']
         self.__runner = LoadZoneRunner(self.__args)
 
     def tearDown(self):
@@ -69,17 +69,27 @@ class TestLoadZoneRunner(unittest.TestCase):
     def test_parse_args(self):
         self.__runner._parse_args()
         self.assertEqual(TEST_ZONE_NAME, self.__runner._zone_name)
+        self.assertEqual('example.zone', self.__runner._zone_file)
+        self.assertEqual(DATASRC_CONFIG, self.__runner._datasrc_config)
+        self.assertEqual('sqlite3', self.__runner._datasrc_type) # default
 
     def test_parse_bad_args(self):
+        # -c cannot be omitted (right now)
+        self.assertRaises(BadArgument,
+                          LoadZoneRunner(['example', 'example.zone']).
+                          _parse_args)
+
         # There must be exactly 2 non-option arguments: zone name and zone file
-        self.assertRaises(BadArgument, LoadZoneRunner([])._parse_args)
-        self.assertRaises(BadArgument, LoadZoneRunner(['example'])._parse_args)
+        copt = ['-c', '0']
+        self.assertRaises(BadArgument, LoadZoneRunner(copt)._parse_args)
+        self.assertRaises(BadArgument, LoadZoneRunner(copt + ['example']).
+                          _parse_args)
         self.assertRaises(BadArgument, LoadZoneRunner(self.__args + ['0']).
                           _parse_args)
 
         # Bad zone name
         self.assertRaises(BadArgument,
-                          LoadZoneRunner(['bad..name', 'example.zone']).
+                          LoadZoneRunner(copt + ['bad..name', 'example.zone']).
                           _parse_args)
 
     def __common_load_setup(self):