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# Date Author Comment
e687ec01 08/25/2011 01:53 pm Michael Hanselmann

PEP8 style fixes

Identified using the “pep8” utility.

Signed-off-by: Michael Hanselmann <>
Reviewed-by: Iustin Pop <>
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 <>
d0c8c01d 07/25/2011 04:55 pm Iustin Pop

Most boring patch ever

s/'/"/ in (hopefully) the right places.

Signed-off-by: Iustin Pop <>
Reviewed-by: Michael Hanselmann <>
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 <>...
437c3e77 04/27/2011 06:26 pm Iustin Pop

Fix potential data-loss in utils.WriteFile

os.write can do incomplete writes, as long as at least some bytes have
been written (like write(2)):

os.write(fd, " " * 1300)

1300

os.write(fd, " " * 1300)

1300

os.write(fd, " " * 1300)

1300

os.write(fd, " " * 1300)...
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 <>
a4ccecf6 01/11/2011 05:33 pm Michael Hanselmann

utils: Move process-related code into separate file

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 <>