Re: [Qemu-devel] [PATCH v2] Add a gitlab-ci file for Continuous Integration testing on Gitlab

[Thomas Huth <thuth@redhat.com>]

On 2019-02-13 13:06, Marc-André Lureau wrote:
> Hi
> 
> On Wed, Feb 13, 2019 at 12:55 PM Thomas Huth <thuth@redhat.com> wrote:
>>
>> This is very convenient for people like me who store their QEMU git trees
>> on gitlab.com: Automatic CI pipelines are now run for each branch that is
>> pushed to the server - useful for some extra-testing before sending PULL-
>> requests for example. Since the runtime of the jobs is limited to 1h, the
>> jobs are distributed into multiple pipelines - this way everything finishs
>> fine within time (ca. 30 minutes currently).
>>
>> Signed-off-by: Thomas Huth <thuth@redhat.com>
>> ---
>>  An example can be seen here: https://gitlab.com/huth/qemu/pipelines/
>>
>>  I'd really like to get this into the main QEMU repository, so that I don't
>>  have to cherry-pick this patch onto my testing branches anymore each time
>>  I want to test before sending a PULL request...
>>
>>  .gitlab-ci.yml | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>  MAINTAINERS    |  5 ++++
>>  2 files changed, 78 insertions(+)
>>  create mode 100644 .gitlab-ci.yml
>>
>> diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
>> new file mode 100644
>> index 0000000..79d02cf
>> --- /dev/null
>> +++ b/.gitlab-ci.yml
>> @@ -0,0 +1,73 @@
>> +before_script:
>> + - apt-get update -qq
>> + - apt-get install -y -qq flex bison libglib2.0-dev libpixman-1-dev genisoimage
>> +
>> +build-system1:
>> + script:
>> + - apt-get install -y -qq libgtk-3-dev libvte-dev nettle-dev libcacard-dev
>> +      libusb-dev libvde-dev libspice-protocol-dev libgl1-mesa-dev
>> + - ./configure --enable-werror --target-list="aarch64-softmmu alpha-softmmu
>> +      cris-softmmu hppa-softmmu lm32-softmmu moxie-softmmu microblazeel-softmmu
>> +      mips64el-softmmu m68k-softmmu ppc-softmmu riscv64-softmmu sparc-softmmu"
>> + - make -j2
> 
> Have you tried $(nproc) ?

The containers are only single CPU there. I'm using -j2 just in case one
of the processes is blocked by waiting for IO, the other one can still
continue compiling.

> Despite the duplication of CI files, which is not really a problem imho,
> 
> lgtm,
> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

Thanks!

And yes, I also think the duplication of the CI files should not really
be a problem - it's rather a plus since we also got test variations this
way. I already found some bugs with this here that were not detected by
the other CI setups yet (e.g. since one of the pipelines uses
--disable-replication and other --disable-xxx flags).

 Thomas