Unable to upgrade using different repo and branch

[Lance Bragstad]

I would think this is more likely to be something developers hit instead of production deployments, but I figured I'd document it here.

I am using openstack-ansible to install a stable/newton deployment. After that, I have a clone of keystone that contains 3 patches that haven't merged yet [0]. I want to test the upgradeability of those patches since they specifically deal with database triggers. To have ansible install the bits that are not currently merged to master, I swapped the following two variables in /etc/openstack_deploy/user_variables.yml

keystone_git_repo: https://github.com/lbragstad/keystone
keystone_git_install_branch: add-domain-id-to-user-table

After that I run:

openstack-ansible playbooks/repo-build.yml

Which fails in [repo_build : Run venv process script] [1][2]. I am installing stable/newton by following a guide I wrote earlier in the release for performance testing upgrades from stable/newton to master [3].

I have attempted the above steps with `developer_mode=True` based on a suggestion from @cloudnull to get around requirements pinning.

[0] https://github.com/lbragstad/keystone/tree/add-domain-id-to-user-table
[1] http://cdn.pasteraw.com/bvv402meq7asd8lveqdor8au6zn9q2z
[2] http://cdn.pasteraw.com/5ko2ux9x9xkd6v5trsfcjv7n5ybi59r
[3] https://github.com/lbragstad/keystone-performance-upgrade#stable-newton-install-process

[Jean-Philippe Evrard (jean-philippe-evrard)]

Hello Lance,

We discussed this during our bug triage today: http://eavesdrop.openstack.org/irclogs/%23openstack-ansible/%23openstack-ansible.2017-01-31.log.html#t2017-01-31T16:23:46

There is more attention that is required to fix this bug, so don't hesitate to tag someone along and make it work!

[Dmitriy Rabotyagov (noonedeadpunk)]

As of today we have dropped playbooks/repo-build.yml process away and now building wheels per service with python_venv_build role.

This actually makes and build dependencies only for specific services rather then everything which is present on openstack. After this change things improved dramatically as well as wheels build reliability.