[Owncloud] CronJob System within ownCloud

[Frank Karlitschek]

Sure. But only if the pear package is installed which is not in 90% of the systems. So nothing to rely on.

Frank


On 23.07.2012, at 12:16, Arthur Schiwon <blizzz at owncloud.com> wrote:

> I just played around with it a bit.
> 
> As long as the pear package is provided, the daemon can run as www-data. Some options need to be set, and the uid and gid need to be detected. A log file and a pid file need to be specified where the daemon can write to.
> 
> A running example modified from the simple one provided on the pear page:
> http://pastebin.com/x8MBDcV1
> 
> To start it a simple
> exec('/var/www/daemon.php');
> is enough. Deeper integration into  the system of course is not possible,  but in general a simple daemon may indeed run without much aches.
> 
> Cheers
> Arthur
> 
> 
> On 07/23/2012 11:07 AM, Frank Karlitschek wrote:
>> One of the design goal os ownCloud is that is should enable as many people as possible to host an ownCloud instance. So someone with jut a webspace at a university for example should be able to run ownCloud by just copying ownCloud into the webspace.
>> A solution like this System Daemon wouldn´t run in this scenario and would require significant more knowledge to install and run than currently.
>> 
>> Frank
>> 
>> 
>> On 23.07.2012, at 11:03, Arthur Schiwon <blizzz at owncloud.com> wrote:
>> 
>>> Did you consider the option of a daemon? That could provide even a bit more flexibility and people wouldn't need to change anything on the server.
>>> 
>>> http://pear.php.net/package/System_Daemon/
>>> 
>>> Cheers
>>> Arthur
>>> 
>>> On 07/22/2012 05:38 PM, Jakob Sack wrote:
>>>> Hi all,
>>>> 
>>>> after the sprint in Stuttgart I talked with Jörn Friedrich Dreyer about
>>>> the background job problem. If I remember correctly the two most
>>>> important suggestions were (a) using cron and (b) using long time
>>>> polling/ajax.
>>>> 
>>>> I'd suggest extending (or rewriting) "my" background jobs app so that it
>>>> can make use of both cron jobs and ajax polling. Then the app can choose
>>>> the best option out of:
>>>> 1) using cron (++)
>>>> 2) using some internet cron service (open the page x every y minutes) (+)
>>>> 3) long time polling when the users are on the page (-)
>>>> 
>>>> The reasons for my rating: A normal cron job does not rely on the
>>>> limitations that apache might have (memory limit, time limit). An
>>>> internet cron service has these limitations, but it works 24/7. Option 3
>>>> runs only when users are online which is bad if you rely on having
>>>> certain tasks done at a given time.
>>>> 
>>>> What do you think?
>>>> Regards,
>>>> 
>>>> Jakob
>>>> 
>>>> Am 22.07.2012 17:13, schrieb Alessandro Cosentino:
>>>>> I need a cron job system for news app too. The use case is the
>>>>> following: if the user doesn't check the reader for a long time, he
>>>>> might miss some items that might have been in the feed and then been
>>>>> removed. This happens with feeds that have frequent updates.
>>>>> 
>>>>> I know that Jakob is working on this.
>>>>> 
>>>>> Alessandro
>>>>> 
>>>>> On Sun, Jul 22, 2012 at 9:00 AM, Georg Ehrke
>>>>> <ownclouddev at georgswebsite.de> wrote:
>>>>>> Hi all,
>>>>>> I was just wondering if someone is working on a kind of cronjob
>>>>>> system for ownCloud.
>>>>>> I know that there is the background job app by Jakob, but this app
>>>>>> requires an entry in the crontab file.
>>>>>> I am currently working on remote calendars and it would be quite
>>>>>> useful to have a cron job system, to automatically update the remote
>>>>>> calendars.
>>>>>> It would actually work without a cronjob system, if you update them
>>>>>> if the user is using the calendar, but a cronjob system would make it
>>>>>> more comfortable.
>>>>>> 
>>>>>> But there are some planned features, that wouldn't work without a
>>>>>> cronjob system.
>>>>>> An Example would be an automatic e-mail reminder before an event starts.
>>>>>> 
>>>>>> Does anybody has a clue on how I could solve this problem without
>>>>>> making an entry in the crontab file a hard dependency?
>>>>>> 
>>>>>> Cheers,
>>>>>> Georg Ehrke
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