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# Date Author Comment
fb17bebd 09/05/2011 05:30 pm René Nussbaumer

utils: Introduce IsBelowDir

This is mainly a wrapper to overcome the limitation of commonprefix
which makes a string by string comparisation and reports the common
prefix in both strings. However this is bad for directory handling.

IsBelowDir works around this limitation and should be used in favour of...
0e5084ee 08/05/2011 02:06 pm Michael Hanselmann

utils.ReadFile: Add pre-read callback

This will be used by the watcher to store the file's fstat(2). It must
be done from the filehandle.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>
1d39e245 04/28/2011 01:02 pm Iustin Pop

Fix WriteFile with unicode data

Unicode is fun, indeed:

len(buffer("abc"))

3

len(buffer(u"abc"))

12

So we can't pass unicode data to buffer(), as the result will be to
write the in-memory (usually UTF-32) representation to disk.

Signed-off-by: Iustin Pop <>...
a9d68e40 04/13/2011 01:01 pm Michael Hanselmann

utils.WriteFile: Close file before renaming

Issue 154 (http://code.google.com/p/ganeti/issues/detail?id=154)
reported an “Operation not supported” error when writing instance
exports to a mounted CIFS filesystem. Experimentation showed the error
to only occur when using rename(2) on an opened file. Various references...
79b60c1c 01/11/2011 05:33 pm Michael Hanselmann

utils: Drop RemovePidFile

It's equivalent to a simple RemoveFile now.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>
90e234a6 01/11/2011 05:33 pm Michael Hanselmann

utils: Move NewUUID to utils.io

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>
3ae8dd03 01/11/2011 04:53 pm Michael Hanselmann

Fix utils.io unittest

“import signal” was missing, but of course it didn't show during my
testing.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>
3865ca48 01/11/2011 04:25 pm Michael Hanselmann

utils: Move I/O-related code into separate file

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>