Hi,
26.10.2007 16:56,, Rich wrote::
> On 2007.10.26. 14:04, Rich wrote:
>> i've recompiled bacula 2.2.5 with python. configure output claims it is
>> enabled :
>> Python support: yes
>>
>> but even starting director with -f -d90 doesn't produce any messages -
>> manual claims that a message should be printed :
>>
>> 09-Jun 15:14 bacula-dir: ERROR in pythonlib.c:131 Could not import
>> Python script /etc/bacula/scripts/DirStartUp. Python disabled.
>>
>> i did not do 'make clean' after enabling python - was that required ?
>
> ok, this didn't help. even after a clean compile bacula dos not attempt
> to use scripts.
> i even tried with strace -e file, not even a single attempt to load any
> python script.
>
> turns out, i must explicitly add "Scripts Directory" parameter... from
> manual, i understood that bacula would be looking in /etc/bacula/scripts
> by default - it says "normal default /etc/bacula/scripts".
>
> so, some suggestions/problems i noticed :)
>
> 1. "(normal default /etc/bacula/scripts," - unclosed parenthesis in the
> manual.
> also, this paragraph probably should note that the directive has to be
> added and no actual default is enabled.
That should be added to the manual...
> 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.
> 3. if bacula is compiled with python support, maybe it is worth adding
> this parameter to the default director configuration file ?
> ------------------------------------------
Probably. The packagers should take care of this, too.
> now, for the actual scripts...
>
> 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.
> 2. it seems that i got it partially working by using the following lines :
> Vol = "%s_%s-%s-%d" % (job.Pool, job.Job, job.Level, numvol)
> job.JobReport = "Exists=%d %s" % (job.DoesVolumeExist(Vol), Vol)
> job.VolumeName=Vol
>
> are there any huge mistakes ?
No, this looks about correct.
> 3. can i somehow avoid this %d, %s thing and specifying variables after
> that ? like, writing someting like {job.Pool)_{job.Job}-{job.Level} etc.
You could concatenate the job attributes and the extra characters like
"str(job.Pool) + '_' + str(job.Job) + ... (or something similar - I
don't have access to any python documentation and examples currently)
but the original syntax is moch more easy to read IMO.
> 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
now = datetime.datetime.now()
Vol = "%4d.%2d.%2d-%2d.%2d" % (now.year, now.month, now.day, now.hour,
now.minute)
should work.
> 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.
Hope this helps,
Arno
--
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de
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