[Pulp-list] HELP - Converting from crontab to interval scheduler

Jeff Ortel jortel at redhat.com
Tue Mar 29 16:23:03 UTC 2011

On 03/29/2011 09:08 AM, Jay Dobies wrote:
> Hash: SHA1
> On 03/29/2011 10:05 AM, Jason L Connor wrote:
>> Hi All,
>> We are converting from using the crontab for scheduled repo syncs to
>> using a new interval scheduler (start_time, interval, iterations).
>> I'm looking for ways to properly handle this conversion for existing
>> repo schedules. Here some of the ideas I've had:
>>       1. Migrate the database and parse the repo schedule and convert it
>>          into an interval schedule that, as closely as possible,
>>          resembles the current crontab schedule. This has the drawback
>>          that we currently don't have the ability to parse the schedules
>>          in any meaningful way and I've no idea how long it would take to
>>          write/port one.
>>       2. Migrate the database and blank out any schedules we find,
>>          logging the fact, and writing messages to stderr for the user to
>>          check the log. This seems kinda dirty, but it's probably the
>>          easiest in terms of getting finished on time this sprint.
>>       3. Same as #2, but back up the original crontab schedule into a new
>>          repo field so that we can properly migrate it in the future.
>>       4.<You idea here>
>> I'm not super happy about any of these options, so feedback is both
>> welcome and needed at this point.
> Scheduled repo sync hasn't worked in a while, so I'm going to say we
> take advantage of the fact that we're pre-alpha and just clean up any
> crontab entries and mention in the release notes that they have to
> re-add repo schedules.


> - --
> Jay Dobies
> RHCE# 805008743336126
> Freenode: jdob
> http://pulpproject.org
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