Dropping rpm build from ovirt-engine check-merged.sh

[Nir Soffer]

On Tue, Sep 20, 2016 at 11:27 AM, Eyal Edri <eedri at redhat.com> wrote:

>
>
> On Tue, Sep 20, 2016 at 9:34 AM, Sandro Bonazzola <sbonazzo at redhat.com>
> wrote:
>
>>
>>
>> On Mon, Sep 19, 2016 at 7:56 PM, Eyal Edri <eedri at redhat.com> wrote:
>>
>>>
>>>
>>> On Mon, Sep 19, 2016 at 9:41 AM, Sandro Bonazzola <sbonazzo at redhat.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Sun, Sep 18, 2016 at 4:18 PM, Eyal Edri <eedri at redhat.com> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> Following [1] I'd like to propose to remove rpm building from the
>>>>> 'check-merged.sh' script from ovirt-engine (master for now).
>>>>>
>>>>> The job [2] takes on avg 15 min while actually the rpms are built
>>>>> already in check-patch
>>>>> (with gwt draft mode if needed) and runs exactly the same build rpm
>>>>> command as check-patch [3].
>>>>>
>>>>> So there isn't real value in running exactly the same rpm build post
>>>>> merge, and we already build full permutation mode in 'build-artifacts.sh'.
>>>>>
>>>>> Any reason to keep it?
>>>>> We can cut down valuable time in CI if we drop it and vacant more time
>>>>> for more meaningful tests.
>>>>>
>>>>
>>>>
>>>> This depends on the flow: if we make check_merge gating to the merge
>>>> and to the build we should keep the rpm build becuase at merge a rebase is
>>>> done automatically.
>>>>
>>>
>>> What do you mean by 'gating to the merge'? I'm not sure I understand
>>> what it means.
>>> Isn't check-patch.sh does the gating? check-merge runs post merge so its
>>> already too late to gate the code ...
>>> And I think check-merge and check-patch currently runs the same rpmbuild
>>> command, so I don't see how check-merged has any value over check-patch.
>>>
>>
>> when merge command is issued a rebase is done as well. We still need a
>> check-merged job because the code checked by check-patch is not the same
>> anymore when check-merged runs.
>>
>
> OK, now I understand, so indeed check-merge can potentially run on
> different code than check-patch and possibly fail due to it.
>

If we require only fast-forward merges, there is no way to merge patch
before a rebase. Once you rebase a patch, check-patch runs...

So check-merge may be unneeded in this case.


>
>
>> In original desing of stdci, check-merged was supposed to become a gating
>> test for build-artifacts.
>>
>
> We have it in our backlog, i.e installing Zuul and adding gating for the
> check-merged jobs, its mostly relevant for system jobs, but we can
> defiently do it first for simple 'check-merged.sh' jobs
> as part of standard CI.
>
> Opened a ticket for it [1]
>
> [1] https://ovirt-jira.atlassian.net/browse/OVIRT-734
>
>>
>>
>>
>>
>>>
>>>
>>>> If there's not gating process performed by check-merge then I agree in
>>>> dropping rpm build.
>>>>
>>>>
>>>>
>>>>>
>>>>>
>>>>> [1] https://ovirt-jira.atlassian.net/browse/OVIRT-416
>>>>> [2] http://jenkins.ovirt.org/job/ovirt-engine_master_check-m
>>>>> erged-el7-x86_64/buildTimeTrend
>>>>> [3]
>>>>> rpmbuild \
>>>>>     -D "_rpmdir $PWD/output" \
>>>>>     -D "_topmdir $PWD/rpmbuild" \
>>>>>     -D "release_suffix ${SUFFIX}" \
>>>>>     -D "ovirt_build_ut $BUILD_UT" \
>>>>>     -D "ovirt_build_extra_flags $EXTRA_BUILD_FLAGS" \
>>>>>     -D "ovirt_build_draft 1" \
>>>>>     --rebuild output/*.src.rpm
>>>>>
>>>>>
>>>>> --
>>>>> Eyal Edri
>>>>> Associate Manager
>>>>> RHV DevOps
>>>>> EMEA ENG Virtualization R&D
>>>>> Red Hat Israel
>>>>>
>>>>> phone: +972-9-7692018
>>>>> irc: eedri (on #tlv #rhev-dev #rhev-integ)
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Sandro Bonazzola
>>>> Better technology. Faster innovation. Powered by community
>>>> collaboration.
>>>> See how it works at redhat.com
>>>> <https://www.redhat.com/it/about/events/red-hat-open-source-day-2016>
>>>>
>>>
>>>
>>>
>>> --
>>> Eyal Edri
>>> Associate Manager
>>> RHV DevOps
>>> EMEA ENG Virtualization R&D
>>> Red Hat Israel
>>>
>>> phone: +972-9-7692018
>>> irc: eedri (on #tlv #rhev-dev #rhev-integ)
>>>
>>
>>
>>
>> --
>> Sandro Bonazzola
>> Better technology. Faster innovation. Powered by community collaboration.
>> See how it works at redhat.com
>> <https://www.redhat.com/it/about/events/red-hat-open-source-day-2016>
>>
>
>
>
> --
> Eyal Edri
> Associate Manager
> RHV DevOps
> EMEA ENG Virtualization R&D
> Red Hat Israel
>
> phone: +972-9-7692018
> irc: eedri (on #tlv #rhev-dev #rhev-integ)
>
> _______________________________________________
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> Infra at ovirt.org
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>
>
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