[wic patch 1/5] wic: Catch errors during image files clean-up

["Andreas J. Reichel" <andreas.reichel@tngtech.com>]

Handle exception if a file could not be deleted during clean-up of
unwanted files, thus preventing a failure of wic in this case.

Signed-off-by: Andreas Reichel <andreas.reichel.ext@siemens.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Daniel Wagner <daniel.wagner@siemens.com>

---
 scripts/lib/wic/plugins/imager/direct.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py
index f2e6127331..d6b47ff0bb 100644
--- a/scripts/lib/wic/plugins/imager/direct.py
+++ b/scripts/lib/wic/plugins/imager/direct.py
@@ -541,7 +541,12 @@ class PartitionedImage():
     def cleanup(self):
         # remove partition images
         for image in set(self.partimages):
-            os.remove(image)
+            try:
+                os.remove(image)
+            except IOError as e:
+                logger.warning(
+                    "Could not delete file. {0}: I/O error ({1}): {2}\n".format(
+                    image, e.errno, e.strerror))
 
     def assemble(self):
         logger.debug("Installing partitions")
-- 
2.11.0