On 06/28/2013 01:26 PM, Armando Migliaccio wrote:
Folks,
I appreciate that there is a strong awareness within the dev community
to ensure that OpenStack gets easier and easier to be deployed, upgraded
and maintained, however I would like to invite core reviewers to think
(even) harder about the implications that changes to config files may
have for the poor sysadmin guy who has the job of
running OpenStack-based clouds (or packagers for that matter).
or folks writing Chef cookbooks / Puppet modules that create the config
files from templates! :)
Having just gone through this effort for the OpenStack Network Chef
cookbook [1], I can say definitively that it was a major pain in the
butt to templatize that database config section for every single Quantum
plugin.
My only complaint is that the changes weren't completed before I went
through the effort ;)
I don't want to pick up on any specific committer/reviewer, but review
[1] got me thinking on how patches that tweak configuration files are
taken somewhat lightly. The particular change in question has not only
implications on how devstack generates these files (and I don't see any
devstack patch counter-part currently in review, or being merged to deal
with the Neutron change - apology if there is but I couldn't find it),
but also implications for Puppet or Chef recipes that rely on config
templates based on what etc folders of every project contain.
Luckily enough the implications in this specific case are innocuous, but
I have personally gotten burnt too many times in the past on this very
issue: config files are changed too often without thinking too hard to
what it means for who needs to maintain instantiations of these files
across multiple releases.
This is not meant to be rant, just a kind reminder :)
Yes, a gentle reminder out to the -operators or -dev mailing list each
time a config file is changed would be most welcome!
Best,
-jay
[1] http://github.com/stackforge/cookbook-openstack-network
[1] https://review.openstack.org/#/c/34515
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