2 commits - imgcreate/fs.py

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2 commits - imgcreate/fs.py

Jeremy Katz-3
 imgcreate/fs.py |   12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

New commits:
commit e6767a22aa26c56d7f53c34ef533f3daf70fc373
Author: Jeremy Katz <[hidden email]>
Date:   Mon Jul 6 14:47:54 2009 -0400

    Add a new exception type for resize errors

diff --git a/imgcreate/fs.py b/imgcreate/fs.py
index cb407ae..ae79b1c 100644
--- a/imgcreate/fs.py
+++ b/imgcreate/fs.py
@@ -52,9 +52,9 @@ def mksquashfs(in_img, out_img):
 
 def resize2fs(fs, size = None, minimal = False):
     if minimal and size is not None:
-        raise RuntimeError("Can't specify both minimal and a size for resize!")
+        raise ResizeError("Can't specify both minimal and a size for resize!")
     if not minimal and size is None:
-        raise RuntimeError("Must specify either a size or minimal for resize!")
+        raise ResizeError("Must specify either a size or minimal for resize!")
 
     e2fsck(fs)
     (fd, saved_image) = tempfile.mkstemp("", "resize-image-", "/tmp")
@@ -76,7 +76,7 @@ def resize2fs(fs, size = None, minimal = False):
         return ret
 
     if e2fsck(fs) != 0:
-        raise CreatorError("fsck after resize returned an error!  image to debug at %s" %(saved_image,))
+        raise ResizeError("fsck after resize returned an error!  image to debug at %s" %(saved_image,))
     os.unlink(saved_image)
     return 0
 


commit fcad576ac467f6800ef062cd486ac42fa09ac7cd
Author: Jeremy Katz <[hidden email]>
Date:   Mon Jul 6 14:46:20 2009 -0400

    Don't continue if the fs unmount fails
   
    We occasionally see something where the fs fails to unmount, but we
    continue anyway.  This then leads to weirdness.  So just raise
    an exception if the unmount fails

diff --git a/imgcreate/fs.py b/imgcreate/fs.py
index c536de3..cb407ae 100644
--- a/imgcreate/fs.py
+++ b/imgcreate/fs.py
@@ -112,7 +112,9 @@ class BindChrootMount:
         if not self.mounted:
             return
 
-        subprocess.call(["/bin/umount", self.dest])
+        rc = subprocess.call(["/bin/umount", self.dest])
+        if rc != 0:
+            raise MountError("Unable to unmount filesystem at %s" % self.dest)
         self.mounted = False
 
 class LoopbackMount:
@@ -354,6 +356,8 @@ class DiskMount(Mount):
             rc = subprocess.call(["/bin/umount", self.mountdir])
             if rc == 0:
                 self.mounted = False
+            else:
+                raise MountError("Unable to unmount filesystem at %s" % self.mountdir)
 
         if self.rmdir and not self.mounted:
             try:


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