Add force flag to fetch command

Force flag allows to cleanup directory before fetching repositories

Change-Id: I71f6522da8f0969387c24c82c121ce81d752ee90

fuel_ccp/cli.py

@@ -3,6 +3,7 @@ from __future__ import print_function
 import argparse
 import logging
 import os.path
+import shutil
 import signal
 import sys
 
@@ -104,7 +105,19 @@ def do_fetch():
 class Fetch(BaseCommand):
     """Fetch all repos with components definitions"""
 
+    def get_parser(self, *args, **kwargs):
+        parser = super(Fetch, self).get_parser(*args, **kwargs)
+        parser.add_argument("-f", "--force",
+                            action="store_true",
+                            help="Cleanup component directory before fetching")
+        return parser
+
     def take_action(self, parsed_args):
+        if parsed_args.force:
+            comp_dir = CONF.repositories.path
+            if os.path.exists(comp_dir):
+                LOG.info("Delete directory %s", comp_dir)
+                shutil.rmtree(comp_dir)
         do_fetch()
 
 

fuel_ccp/tests/test_cli.py

@@ -146,9 +146,20 @@ class TestDeploy(TestParser):
 
 class TestFetch(TestParser):
     cmd = 'fetch'
-    scenarios = [('empty', {'argv': []})]
+    scenarios = [
+        ('empty', {
+            'argv': [],
+            'margs': {'force': False}
+        }),
+        ('force', {
+            'argv': ['--force'],
+            'margs': {'force': True}
+        })
+    ]
 
     def test_parser(self):
+        self.useFixture(fixtures.MockPatch('os.path.exists',
+                                           return_value=False))
         self._run_app()
         self.fetch_mock.assert_called_once_with()