Add ability to pass a base test root and create results dirs relative.

bin/au_test_harness/cros_au_test_harness.py

Index: bin/au_test_harness/cros_au_test_harness.py
diff --git a/bin/au_test_harness/cros_au_test_harness.py b/bin/au_test_harness/cros_au_test_harness.py
index 76d800a1178b4d0ebd37113111dbf8984ee4864a..dc817334b262400496e60003708d464a56adabc2 100755
--- a/bin/au_test_harness/cros_au_test_harness.py
+++ b/bin/au_test_harness/cros_au_test_harness.py
@@ -237,6 +237,9 @@ def main():
                     help='Remote address for real test.')
   parser.add_option('-t', '--target_image',
                     help='path to the target image.')
+  parser.add_option('--test_results_root', default=None,
+                    help='Root directory to store test results.  Should '
+                         'be defined relative to chroot root.')
   parser.add_option('--test_prefix', default='test',
                     help='Only runs tests with specific prefix i.e. '
                          'testFullUpdateWipeStateful.')
@@ -247,7 +250,7 @@ def main():
                          'possible.')
   (options, leftover_args) = parser.parse_args()
 
-  if leftover_args: parser.error('Found unsupported flags: %s' % leftover_args)
+  if leftover_args: parser.error('Found unsupported flags: % s' % leftover_args)

[dgarrett, 2011/03/04 22:31:12]

I think that space is put there by mistake, though it seems to have no effect
for non-integers.

 
   assert options.target_image and os.path.exists(options.target_image), \
     'Target image path does not exist'
@@ -259,7 +262,7 @@ def main():
   # cleaned so we know that the vm images and payloads match the possibly new
   # key.
   if options.private_key or options.public_key:
-    error_msg = ('Could not find %s key.  Both private and public keys must be '
+    error_msg = ('Could not find % s key.  Both private and public keys must be '

[dgarrett, 2011/03/04 22:31:12]

80 characters, the space looks like an error, and there is nothing %'d into the
%s anyway.

                  'specified if either is specified.')
     assert options.private_key and os.path.exists(options.private_key), \
         error_msg % 'private'