[ceph-users] dropping trusty

David Galloway dgallowa at redhat.com
Mon Dec 4 07:48:11 PST 2017

On 12/04/2017 01:12 AM, kefu chai wrote:
> On Fri, Dec 1, 2017 at 1:55 AM, David Galloway <dgallowa at redhat.com> wrote:
>> On 11/30/2017 12:21 PM, Sage Weil wrote:
>>> We're talking about dropping trusty support for mimic due to the old
>>> compiler (incomplete C++11), hassle of using an updated toolchain, general
>>> desire to stop supporting old stuff, and lack of user objections to
>>> dropping it in the next release.
>>> We would continue to build trusty packages for luminous and older
>>> releases, just not mimic going forward.
>>> My question is whether we should drop all of the trusty installs on smithi
>>> and focus testing on xenial and centos.  I haven't seen any trusty related
>>> failures in half a year.  There were some kernel-related issues 6+ months
>>> ago that are resolved, and there is a valgrind issue with xenial that is
>>> making us do valgrind only on centos, but otherwise I don't recall any
>>> other problems.  I think the likelihood of a trusty-specific regression on
>>> luminous/jewel is low.  Note that we can still do install and smoke
>>> testing on VMs to ensure the packages work; we just wouldn't stress test.
>>> Does this seem reasonable?  If so, we could reimage the trusty hosts
>>> immediately, right?
>>> Am I missing anything?
>> Someone would need to prune through the qa dir and make sure nothing
>> relies on trusty for tests.  We've gotten into a bind recently with the
> David, thanks for point out the direction. i removed the references to trusty
> and updated related bits in https://github.com/ceph/ceph/pull/19307.
>> testing of FOG [1] where jobs are stuck in Waiting for a long time
>> (tying up workers) because jobs are requesting Trusty.  We got close to
>> having zero Trusty testnodes since the wip-fog branch has been reimaging
>> baremetal testnodes on every job.
>> But other than that, yes, I can reimage the Trusty testnodes.  Once FOG
>> is merged into teuthology master, we won't have to worry about this
>> anymore since jobs will automatically reimage machines based on what
>> distro they require.
> since https://github.com/ceph/teuthology/pull/1126 is merged, could you help
> reimage the trusty test nodes?

No need.  Since that's merged, all testnodes are automatically reimaged
on every job now :).  An e-mail to Sepia user list is forthcoming with
more details.

>> [1] https://github.com/ceph/teuthology/compare/wip-fog

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