Hi,
29.10.2007 18:09,, Rich wrote::
> On 2007.10.27. 17:27, Arno Lehmann wrote:
> ...
>>> 2. if "Scripts Directory" is specified in director configuration file,
>>> director can't be stopped with ctrl+c, when run in foreground;
>> I don't know if this qualifies as a bug - because, in normal
>> circumstances, you should only run the DIR in foreground under the
>> debugger (Kern says ;-) - but I don't think this is serious.
>
> yeah, but consistency and obeying ctrl+c in foreground are good ;)
True, but given the relatively low impact of this you'll have to be
good at nagging Kern into fixing it - or do it yourself :-)
> ...
>>> 1. the example is using both lines with spacing and without spacing
>>> around equal sign (a=b and a = b). which would be a better style choice ?
>> I prefer the spaces around operators because it creates much better
>> readability. Others disagree.
>
> actually, i don't care that much about the method used as for it being
> consistent in the example script :)
Good point. But then, especially given this discussion, I get the
impression the python scripting chapter needs a major rework anyway...
> ...
>>> 4. does somebody have example on writing out datetime string that would
>>> reproduce behaviour that label format currently produces for
>>> "${Year}.${Month:p/2/0/r}.${Day:p/2/0/r}-${Hour:p/2/0/r}.${Minute:p/2/0/r}"
>>> ?
>> Again, no examples, manuals, or even working code, but something like
>>
>> import datetime
>
> and this is where it breaks.
> just adding that line to the script prevents director from starting at all :
>
> Fatal Python error: Interpreter not initialized (version mismatch?)
That looks like a python problem... or something related to the way
python is embedded into Bacula. You should consider a bug report at
bugs.bacula.org, and point out that this might be a configure or
linking problem, or even one of finding the right python module path.
Currently, I have no idea how to fix or further diagnose this.
> Kaboom! bacula-dir, backup_1-dir got signal 6 - IOT trap. Attempting
> traceback.
> Kaboom! exepath=/sbin/
> Calling: /sbin/btraceback /sbin/bacula-dir 32340
> execv: /sbin/btraceback failed: ERR=No such file or directory
> Traceback complete, attempting cleanup ...
> Orphaned buffer: backup_1-dir 16 bytes buf=820b150 allocated at
> watchdog.c:86
> Orphaned buffer: backup_1-dir 16 bytes buf=82330a8 allocated at
> watchdog.c:87
>
>
> on #python, it was suggested that :
> "that error is caused by importing a module compiled for a different
> version of Python, on Windows."
>
> but i don't understand how could that be possible
>
> where could the problem be ?
configure, linking, module path - I suppose you need to be good with
software building and gdb to find a solution here.
> ...
>>> 5. a (slightly modified) line reads :
>>> job.JobReport = "Exists=%d %s" % (job.DoesVolumeExist(Vol), Vol)
>>>
>>> if i understand correctly, it would only add a line to the report and
>>> proceed, right ?
>> Yup.
>>
>>> it seems that in such a case job simply stucks, waiting for a manual
>>> volume specification.
>>> can i make a check that would error out if such a volume already exists ?
>> Sure. Check the volume name you just created using DoesVolumeExist,
>> and if it already exists, append or modify a suffix and loop.
>> Otherwise, continue.
>
> actually, i would prefer to error out in such a case - if volume exists,
> something's broken.
Well, relying onto the number of volumes in a pool is not safe, for
example. Imagine you have volumes V1, V2, V4 in a pool and label with
'V'+number. The next volume will be the fourth one, so you'd end up
with V4 a second time.
As this can happen easily when you delete volumes, precautions are
important.
> looking over the example, i could not find a way to cancel the job - how
> would i do that ?
I don't know - perhaps return the null value from the method. You'll
have to try :-)
>> Hope this helps,
>
> it did a lot, huge thanks.
> i hope that the result of my pain will help somebody else :)
Definitely... at least me. If I find the time, I'll play with python
scripting. Perhaps even this year or 2008 ;-)
Arno
>> Arno
--
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de
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