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Migrating git repos to OpenDev


 ---- On Tue, 16 Apr 2019 21:10:18 -0500 Ghanshyam Mann <gmann at ghanshyammann.com> wrote ----
 >  ---- On Tue, 16 Apr 2019 19:13:06 -0500 Clark Boylan <cboylan at sapwetik.org> wrote ---- 
 >  > On Thu, Apr 11, 2019, at 3:21 PM, Clark Boylan wrote:  
 >  > > On Thu, Mar 7, 2019, at 1:46 PM, James E. Blair wrote:  
 >  > > > Hi,  
 >  > > >   
 >  > > > As discussed in November[1], the OpenStack project infrastructure is  
 >  > > > being rebranded as "OpenDev" to better support a wider community of  
 >  > > > projects.  
 >  > > >   
 >  > > > We are nearly ready to perform the part of this transition with the  
 >  > > > largest impact: moving the authoritative git repositories for existing  
 >  > > > projects.  
 >  > > >   
 >  > > > In this email, I'd like to introduce the new hosting system we are  
 >  > > > preparing, discuss the transition, and invite projects to work with us  
 >  > > > on the logistics of the change.  
 >  > > >   
 >  > > > Gerrit  
 >  > > > ======  
 >  > > >   
 >  > > > Gerrit is the core of our system and it will remain so in OpenDev.  As  
 >  > > > part of this move, we will rename the gerrit server from  
 >  > > > review.openstack.org to review.opendev.org.  As part of the transition,  
 >  > > > we will automatically merge appropriate changes to all branches of all  
 >  > > > repositories updating .gitreview and Zuul configuration files.  Any  
 >  > > > further changes (README files, etc.) we expect to be made by individual  
 >  > > > project contributors.  
 >  > > >   
 >  > > > Repository Browsing  
 >  > > > ===================  
 >  > > >   
 >  > > > Currently our canonical *public* repository system is the cgit server at  
 >  > > > https://git.openstack.org/ (and git.airshipit.org, git.starlingx.io, and  
 >  > > > git.zuul-ci.org).  This is a load balanced cluster of several servers  
 >  > > > which is designed to handle all the public git repository traffic, as it  
 >  > > > scales much better than Gerrit (and has a more friendly domain name).  
 >  > > > From a technical standpoint, it's excellent, but its usability could be  
 >  > > > improved.  
 >  > > >   
 >  > > > Therefore, as part of this transition, we will replace the cgit servers  
 >  > > > with a new system based on Gitea.  Gitea is a complete development  
 >  > > > collaboration system, but it's very flexible and will allow us to  
 >  > > > disable components which we aren't using.  We will operate it in a  
 >  > > > read-only configuration where it will act as the public mirror for  
 >  > > > Gerrit.  The advantages it has over the current system are:  
 >  > > >   
 >  > > > * Shorter domain name in project URLs:  
 >  > > >   https://git.openstack.org/openstack/nova   vs  
 >  > > >   https://opendev.org/openstack/nova  
 >  > > > * Clone and browsing URLs are the same (with cgit, the browsing URL has  
 >  > > >   an extra path component)  
 >  > > > * More visually pleasing code browsing  
 >  > > > * Integrated code searching  
 >  > > > * Ability to highlight multiple lines in links  
 >  > > >   
 >  > > > When we perform the transition we will install redirects from  
 >  > > > git.openstack.org (and the other git sites) to opendev.org, and will  
 >  > > > maintain those redirects for the foreseeable future.  We will construct  
 >  > > > them so that even existing deep links to individual files in individual  
 >  > > > commits to cgit will redirect to the correct location on opendev.org.  
 >  > > >   
 >  > > > This system is up and running now with a live mirror of data from  
 >  > > > Gerrit, and you can start testing it out today at https://opendev.org/  
 >  > > >   
 >  > > > Please let us know if you encounter any problems.  
 >  > > >   
 >  > > > If you would like to read more about the design of this system and the  
 >  > > > transition, see the infra-spec[2].  
 >  > > >   
 >  > > > GitHub  
 >  > > > ======  
 >  > > >   
 >  > > > Currently all OpenStack projects are replicated to GitHub.  We do not  
 >  > > > plan on changing that during the transition, however, any projects  
 >  > > > outside of the openstack*/ namespaces will not automatically be  
 >  > > > replicated to GitHub, and we do not plan on adding that in the future.  
 >  > > > We do, however, support projects using Zuul to run post-merge jobs to  
 >  > > > push updates to GitHub or any other third-party mirrors with their own  
 >  > > > credentials.  We will be happy to work with anyone interested in that to  
 >  > > > help set up jobs to do so.  
 >  > > >   
 >  > > > We are adopting this approach so that individual projects can have more  
 >  > > > control over how they are represented in social media, and to give us  
 >  > > > more flexibility in supporting our own organizational namespaces on  
 >  > > > OpenDev without assuming they map directly to GitHub.  
 >  > > >   
 >  > > > Eventually we plan on moving the OpenStack project to that system as  
 >  > > > well and retiring direct replication from Gerrit to GitHub completely.  
 >  > > > But we will defer that work until after this transition.  
 >  > > >   
 >  > > > Logistics  
 >  > > > =========  
 >  > > >   
 >  > > > We can prepare much of the system in advance (as we have for the hosting  
 >  > > > system on opendev.org), but the actual transition and renaming of the  
 >  > > > Gerrit server will need to happen at once during an outage window.  We  
 >  > > > need to schedule that outage and begin preparing for it.  
 >  > > >   
 >  > > > Since all of the project git URLs are going to change (to replace  
 >  > > > git.openstack.org with opendev.org and review.openstack.org with  
 >  > > > review.opendev.org), we can additionally take the opportunity to  
 >  > > > reorganize projects into different organizations.  
 >  > > >   
 >  > > > For example, during the transition we will rename Zuul, and it's  
 >  > > > associated projects, from the "openstack-infra" org to "zuul".  So their  
 >  > > > new names will be "zuul/zuul", "zuul/nodepool", etc.  
 >  > > >   
 >  > > > This is an excellent time for the rest of the OpenStack Foundation  
 >  > > > pilot projects to do the same.  
 >  > > >   
 >  > > > If the OpenStack project desires this, it would also be a good time to  
 >  > > > move unofficial projects out of the openstack/ namespace.  
 >  > > >   
 >  > > > Therefore, we need your help:  
 >  > > >   
 >  > > > Action Items  
 >  > > > ============  
 >  > > >   
 >  > > > We need each of the following projects:  
 >  > > >   
 >  > > >   * OpenStack  
 >  > > >   * Airship  
 >  > > >   * StarlingX  
 >  > > >   * Zuul  
 >  > > >   
 >  > > > To nominate a single point of contact to work with us on the transition.  
 >  > > > It would be helpful for that person to attend the next (and possibly  
 >  > > > next several) openstack infra team meetings in IRC [3].  We will work  
 >  > > > with those people on scheduling the transition, as well as finalizing  
 >  > > > the list of projects which should be renamed as part of the transition.  
 >  > > >   
 >  > > > If you manage an unofficial project and would like to take the  
 >  > > > opportunity to move or rename your project, please add it to this  
 >  > > > ethercalc[4].  
 >  > > >   
 >  > > > [1]   
 >  > > > http://lists.openstack.org/pipermail/openstack-dev/2018-November/136403.html  
 >  > > > [2]   
 >  > > > http://specs.openstack.org/openstack-infra/infra-specs/specs/opendev-gerrit.html  
 >  > > > [3] http://eavesdrop.openstack.org/#Project_Infrastructure_Team_Meeting  
 >  > > > [4] https://ethercalc.openstack.org/opendev-transition  
 >  > > >   
 >  > > >  
 >  > >   
 >  > > We've made good progress in preparing this change and are still on   
 >  > > track to do this Friday April 19, 2019.  Our project liasons have been   
 >  > > drawing up lists of projects to rename during the outage. One big thing   
 >  > > to keep in mind is unofficial OpenStack projects will no longer be in   
 >  > > the "openstack" namespace.  They will be placed in the 'x/' namespace   
 >  > > instead which intends to indicate no endorsement or special ownership.  
 >  > >   
 >  > > One side effect of this change (as noted in Jim's earlier email) is   
 >  > > that we will stop replicating projects that move out of the openstack   
 >  > > namespace. Projects that wish to be replicated to Github or anywhere   
 >  > > else they like can do so following the steps that David Moreau-Simard   
 >  > > put together for us here [5].  
 >  > >   
 >  > > This transition is likely to be a bit bumpy particularly at the start.   
 >  > > We'll be around after the transition to help fix unexpected errors and   
 >  > > are likely to spend a fair bit of time at the PTG improving things as   
 >  > > well.  
 >  > >   
 >  > > Finally, to be extra clear, we intend to put http redirects in place so   
 >  > > that all your old http(s) urls continue to work.  Fungi has set this up   
 >  > > for testing with details here [6] if you would like to ensure your urls   
 >  > > redirect properly.  
 >  > >   
 >  > > [5]   
 >  > > http://lists.openstack.org/pipermail/openstack-discuss/2019-April/005007.html  
 >  > > [6]   
 >  > > http://lists.openstack.org/pipermail/openstack-discuss/2019-April/004921.html  
 >  >   
 >  > The infra/OpenDev team continues to make good progress towards this transition and plans to perform the transition on April 19, 2019 as previously scheduled.  We will begin the transition at 15:00UTC and users should plan for intermittent Gerrit and git repo outages through the day. We expect most of those will be closer to 15:00UTC than 23:00UTC.  
 >  >   
 >  > Fungi has generated a master list of project renames for the openstack namespaces: http://paste.openstack.org/show/749402/. If you have a moment please quickly review these planned renames for any obvious errors or issues.  
 >  
 > Thanks Clark, Fungi for the list. With quick review, below are the two repo which I feel need a home somewhere.  
 >  
 > - gerrit-dash-creator - it thought it was under infra.  
 > - upstream-institute-virtual-environment - We use this in OUI trainings. I pinged this on #openstack-upstream-institute to find home.  
 
I found one more which need to be placed somewhere in openstack/

- microversion-parse - this lib is used by many projects for API microversion parsing.  maybe cdent can suggest. 

>  
 > -gmann 
 >  
 >  >   
 >  > For the airship, starlingx, and zuul repo renames the repositories listed at git.airshipit.org, git.starlingx.io, and git.zuul-ci.org were used placing repos in airship/, starlingx/ and zuul/ namespaces. Any repo name prefix (like stx- and airship-) is dropped.  
 >  >   
 >  > As always we are happy to answer any questions you might have or address any concerns. Feel free to reach out.  
 >  > Thank you for your patience,  
 >  > Clark  
 >  >   
 >  >  
 >