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I'm just going to take this opportunity to point out that when RDO moved
the dlrn repos this week the tool did not break because requests is
smarter than curl.  Also, it would have been super nice to have exactly
one place to update the repo locations instead of at least 3.

On 06/13/2016 03:29 PM, Ben Nemec wrote:
> So our documented repo setup steps are three curls, a sed, and a
> multi-line bash command.  And the best part?  That's not even what we
> test.  The commands we actually use in tripleo.sh --repo-setup consist
> of the following: three curls, four seds, and (maybe) the same
> multi-line bash command.  Although whether that big list of packages in
> includepkgs is actually up to date with what we're testing is anybody's
> guess because without actually plugging both into a diff tool you
> probably can't visually find any differences.
> 
> What is my point?  That this whole process is overly complicated and
> error-prone.  If you miss one of those half dozen plus commands you're
> going to end up with a broken repo setup.  As one of the first things
> that a new user has to do in TripleO, this is a pretty poor introduction
> to the project.
> 
> My proposal is an rdo-release-esque project that will handle the repo
> setup for you, except that since dlrn doesn't really deal in releases I
> think the -repo name makes more sense.  Here's a first pass at such a
> tool: https://github.com/cybertron/dlrn-repo
> 
> This would reduce the existing commands in tripleo.sh from:
> sudo sed -i -e 's%priority=.*%priority=30%' $REPO_PREFIX/delorean-deps.repo
> sudo curl -o $REPO_PREFIX/delorean.repo
> $DELOREAN_REPO_URL/$DELOREAN_REPO_FILE
> sudo sed -i -e 's%priority=.*%priority=20%' $REPO_PREFIX/delorean.repo
> sudo curl -o $REPO_PREFIX/delorean-current.repo
> http://trunk.rdoproject.org/centos7/current/delorean.repo
> sudo sed -i -e 's%priority=.*%priority=10%'
> $REPO_PREFIX/delorean-current.repo
> sudo sed -i 's/\[delorean\]/\[delorean-current\]/'
> $REPO_PREFIX/delorean-current.repo
> sudo /bin/bash -c "cat <<-EOF>>$REPO_PREFIX/delorean-current.repo
> includepkgs=diskimage-builder,instack,instack-undercloud,os-apply-config,os-cloud-config,os-collect-config,os-net-config,os-refresh-config,python-tripleoclient,tripleo-common,openstack-tripleo-heat-templates,openstack-tripleo-image-elements,openstack-tripleo,openstack-tripleo-puppet-elements
> EOF"
> sudo yum -y install yum-plugin-priorities
> 
> to:
> sudo yum install -y http://tripleo.org/dlrn-repo.rpm # or wherever
> sudo dlrn-repo tripleo-current
> 
> As you can see in the readme it also supports the stable branch repos or
> running against latest master of everything.
> 
> Overall I think this is clearly a better user experience, and as an
> added bonus it would allow us to use the exact same code for repo
> management on the user side and in CI, which we can't have with a
> developer-specific tool like tripleo.sh.
> 
> There's plenty left to do before this would be fully integrated (import
> to TripleO, package, update docs, update CI), so I wanted to solicit
> some broader input before pursuing it further.
> 
> Thanks.
> 
> -Ben
> 
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