[openstack-dev] [Manila] Mitaka deadlines

Ben Swartzlander ben at swartzlander.org
Thu Nov 19 17:58:15 UTC 2015


On 11/19/2015 12:24 PM, Ben Swartzlander wrote:
> Based on discussions going back to the Liberty feature freeze, we have
> decided to add some additional deadlines for Mitaka, to avoid having
> fire drills at the end of the release, and to focus core reviewer
> attention on the right things.
>
> As always, we will enforce a Feature Freeze on the M-3 milestone date:
> March 3rd [1]. Only bugfixes and documentation changes are allowed to
> merge after that date without an explicit feature freeze exception (FFE).
>
> Also like before, we will enforce a feature proposal freeze 2 weeks
> before the feature freeze, on Feb 18th. New feature patches must be
> submitted to gerrit, with complete test coverage, and passing Jenkins by
> this date.
>
> A new deadline for Mitaka will be that new drivers must be submitted 3
> weeks before the feature freeze, by Feb 11th, with the same requirements
> as above, and working CI. This additional deadline was deemed necessary
> due to the extra amount of work required to review new drivers.
> Additionally driver refactor patches (any patch that significantly
> reworks existing driver code) will be subject to the same deadline,
> because these patches tend to take as much resources to review as a
> whole new driver.
>
> Lastly and most importantly, we're going to enforce a deadline for
> "large" new features. They must be submitted to gerrit 6 weeks before
> the feature freeze, by Jan 21 (same date as M-2 milestone [1]). The goal
> of this deadline is to ensure that significant new functionality has
> time to go through multiple test-review-fix cycles before feature
> freeze. We learned during Liberty that this is essential, and that it
> doesn't work to try to review major new features at the same time we're
> reviewing drivers, bugfixes, and other features.
>
> For the purposes of the above deadline, we decided to define "large"
> features this way [2]:
> * If a patch adds 500 mores line than it removes, not counting test
> code, then it is considered large.
> * If a patch makes changes to 3 or more of: REST API, DB schema, RPC
> layer, scheduler, and manager, then it is considered large.

I forgot to mention one important detail. If a patch only affects a 
driver, it will not be considered "large" no matter how many lines it 
adds (nearly all drivers exceed 500 lines). Drivers are low risk and we 
don't need them submitted 6 weeks ahead of time. The 3 week deadline 
applies for drivers.

> I will emphasize that the above rules are not a substitute for human
> judgement, and the core team will make exceptions at our discretion. The
> goal of these rules are to provide guidelines when you should submit
> patches to maximize your chances of getting them into Mitaka.
>
> We can make exceptions to let things in after the deadlines, as needed,
> but more importantly, just meeting the above deadlines doesn't mean your
> patch is guaranteed to get merged. We still recommend submitting things
> well before the deadlines and also socializing your changes as much as
> possible to get buy in and reviews.
>
> -Ben Swartzlander
>
>
> [1] https://wiki.openstack.org/wiki/Mitaka_Release_Schedule
> [2]
> http://eavesdrop.openstack.org/meetings/manila/2015/manila.2015-11-19-15.00.log.html
>
>
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