Another useful link that Zane put together a while back now, but is more up to date/complete than the wiki, was this Reviewing the OpenStack Way Guide[1].

-Kendall (diablo_rojo)

[1]https://docs.openstack.org/project-team-guide/review-the-openstack-way.html 

On Tue, Jan 8, 2019 at 6:01 AM Jeremy Stanley <fungi@yuggoth.org> wrote:
On 2019-01-08 12:00:48 +0100 (+0100), Marcin Juszkiewicz wrote:
[...]
> Send patches for review [1] and then we can discuss about changing them.
> Remember that we target Stein now.
>
> 1. https://wiki.openstack.org/wiki/How_To_Contribute#Reviewing
[...]

These days it's probably better to recommend
https://docs.openstack.org/contributors/ since I expect we're about
ready to retire that old wiki page.
--
Jeremy Stanley