suite.py: tell you that the suite you asked for doesn't exist

I know it's not in fashion to issue useful error messages, but...

Signed-off-by: Dan Mick <dan.mick@redhat.com>

diff --git a/teuthology/suite.py b/teuthology/suite.py
index 6cd04e70416b54e521740fae44305ebd79ac1fb3..53815a8cd13238537c2e27e81ecca1c9adbc152e 100644 (file)
--- a/teuthology/suite.py
+++ b/teuthology/suite.py
@@ -1060,6 +1060,8 @@ def _get_matrix(path, _isfile=os.path.isfile,
 
 def _build_matrix(path, _isfile=os.path.isfile,
                   _isdir=os.path.isdir, _listdir=os.listdir, mincyclicity=0, item=''):
+    if not os.path.exists(path):
+        raise IOError('%s does not exist' % path)
     if _isfile(path):
         if path.endswith('.yaml'):
             return matrix.Base(item)