[Avocado-devel] Multiplex configuration failing

Olav Philipp Henschel olavph at linux.vnet.ibm.com
Thu Nov 19 13:44:14 UTC 2015


Thanks, I've tried both solutions and they worked.
I'll just rename files /usr/lib64/python2.7/site-packages/yaml/cyaml.py* 
so they are not found.

Regards,
Olav P. Henschel

On 19-11-2015 11:24, Lukáš Doktor wrote:
> I tried the ppc64 BE with the same results, everything worked well. 
> Then I tried PowerKVM and finally I was able to reproduce it.
>
> The original exception is:
>
> ```
> Traceback (most recent call last):
>   File "./scripts/avocado", line 85, in <module>
>     sys.exit(app.run())
>   File "/tmp/avocado/avocado/core/app.py", line 61, in run
>     return self.parser.take_action()
>   File "/tmp/avocado/avocado/core/parser.py", line 100, in take_action
>     return self.args.dispatch(self.args)
>   File "/tmp/avocado/avocado/core/plugins/multiplexer.py", line 100, 
> in run
>     args.debug)
>   File "/tmp/avocado/avocado/core/multiplexer.py", line 99, in yaml2tree
>     input_tree = tree.create_from_yaml(input_yamls, debug)
>   File "/tmp/avocado/avocado/core/tree.py", line 463, in create_from_yaml
>     merge(data, path)
>   File "/tmp/avocado/avocado/core/tree.py", line 447, in _merge
>     data.merge(_create_from_yaml(path))
>   File "/tmp/avocado/avocado/core/tree.py", line 424, in 
> _create_from_yaml
>     loaded_tree = yaml.load(stream, Loader)
>   File "/usr/lib64/python2.7/site-packages/yaml/__init__.py", line 71, 
> in load
>     return loader.get_single_data()
>   File "/usr/lib64/python2.7/site-packages/yaml/constructor.py", line 
> 37, in get_single_data
>     node = self.get_single_node()
>   File "_yaml.pyx", line 702, in _yaml.CParser.get_single_node 
> (ext/_yaml.c:7647)
>   File "_yaml.pyx", line 905, in _yaml.CParser._parse_next_event 
> (ext/_yaml.c:10396)
> ReaderError: unacceptable character #x0007: control characters are not 
> allowed
>   in "examples/mux-environment.yaml", position 484
> ```
>
> Then I tried disabling the CLoader (PyYAML allows you to use python or 
> C version of the yaml parser) and it worked well.
>
> So you can either wait when python-2.7.5-34 is shipped (and hope it'll 
> just start working), or you can modify `avocado/core/tree.py` to 
> import `Loader` instead of `from yaml import CLoader as Loader`. 
> Alternatively you can remove the 
> /usr/lib/python2.7/site-packages/yaml/cyaml.py*` which would result in 
> yaml being imported instead.
>
> Although it doesn't seems to be a problem of `PyYAML` itself, because 
> I was using the latest copy&pasted version from my Fedora (I didn't 
> wanted to install packages on the pkvm host).
>
> I hope this will help,
> Lukáš
>
> Dne 19.11.2015 v 12:54 Olav Philipp Henschel napsal(a):
>> Thanks for the responses.
>> I am trying to run the selftests, but I'm having problems with
>> dependencies (pillow requires jpeg, which is not found in my repos).
>> I'll try to solve that and will also try to run in a different
>> machine/distro. I am using a PowerKVM host.
>>
>> $ uname -a
>> Linux ultraseven 3.10.82-2042.1.pkvm2_1_1.71.ppc64 #1 SMP Fri Jul 31
>> 09:52:38 CDT 2015 ppc64 ppc64 ppc64 GNU/Linux
>> $ rpm -q python
>> python-2.7.5-15.1.pkvm2_1_1.1.ppc64
>>
>>
>> On 19-11-2015 04:03, Lukáš Doktor wrote:
>>> Dne 19.11.2015 v 04:25 Lucas Meneghel Rodrigues napsal(a):
>>>>
>>>>
>>>> On Wed, Nov 18, 2015 at 5:24 PM Olav Philipp Henschel
>>>> <olavph at linux.vnet.ibm.com <mailto:olavph at linux.vnet.ibm.com>> wrote:
>>>>
>>>>     Thanks, Cleber, I thinks that clarifies the doc, but that's not my
>>>>     issue.
>>>>     I've executed the same command (./avocado multiplex --tree
>>>>     ../examples/mux-environment.yaml) in another machine (x86_64) 
>>>> and it
>>>>     worked.
>>>>     It might be a problem with ppc64 architecture.
>>>>
>>>>
>>>> Now that's interesting. Let's see what Lukas has to say on that 
>>>> matter.
>>>>
>>>> One thing worth checking would be to run the avocado regression 
>>>> suite on
>>>> a ppc64 machine - it runs multiplex functionality tests as well. 
>>>> Please
>>>> try to:
>>>>
>>>> 1) Uninstall avocado rpms/debs
>>>> 2) clone avocado to some dir
>>>> 3) Certify that the selftests dependencies are installed -
>>>> see requirements-selftests.txt
>>>> 4) 'make check'
>>>>
>>>> I'm very interested in seeing what the functional suite reports on 
>>>> your
>>>> ppc64 test systems.
>>>
>>> Dear Olav,
>>>
>>> I haven't read everything yet, but I tried following:
>>>
>>> [root at ibm-p8-virt-01 tmp]# avocado multiplex --tree 
>>> mux-environment.yaml
>>>  ┗━━ run
>>>       ┣━━ hw
>>>       ┃    ┣━━ cpu
>>>       ┃    ┃    ╠══ intel
>>>       ┃    ┃    ╠══ amd
>>>       ┃    ┃    ╚══ arm
>>>       ┃    ┗━━ disk
>>>       ┃         ╠══ scsi
>>>       ┃         ╚══ virtio
>>>       ┣━━ distro
>>>       ┃    ╠══ fedora
>>>       ┃    ╚══ mint
>>>       ┗━━ env
>>>            ╠══ debug
>>>            ╚══ prod
>>>
>>> [root at ibm-p8-virt-01 tmp]# avocado multiplex --tree
>>> mux-environment.yaml -c
>>>  ┗━━ run
>>>       ┣━━ hw
>>>       ┃    ┣━━ cpu
>>>       ┃    ┃    ╠══ intel
>>>       ┃    ┃    ║     → cpu_CFLAGS: -march=core2
>>>       ┃    ┃    ╠══ amd
>>>       ┃    ┃    ║     → cpu_CFLAGS: -march=athlon64
>>>       ┃    ┃    ╚══ arm
>>>       ┃    ┃          → cpu_CFLAGS: -mabi=apcs-gnu -march=armv8-a
>>> -mtune=arm8
>>>       ┃    ┗━━ disk
>>>       ┃         ╠══ scsi
>>>       ┃         ║     → disk_type: scsi
>>>       ┃         ╚══ virtio
>>>       ┃               → disk_type: virtio
>>>       ┣━━ distro
>>>       ┃    ╠══ fedora
>>>       ┃    ║     → init: systemd
>>>       ┃    ╚══ mint
>>>       ┃          → init: systemv
>>>       ┗━━ env
>>>            ╠══ debug
>>>            ║     → opt_CFLAGS: -O0 -g
>>>            ╚══ prod
>>>                  → opt_CFLAGS: -O2
>>> [root at ibm-p8-virt-01 tmp]# uname -a
>>> Linux ibm-p8-virt-01.lab.bos.redhat.com 3.10.0-327.el7.ppc64le #1 SMP
>>> Thu Oct 29 17:31:13 EDT 2015 ppc64le ppc64le ppc64le GNU/Linux
>>> [root at ibm-p8-virt-01 tmp]# rpm -q python
>>> python-2.7.5-34.el7.ppc64le
>>>
>>>
>>> I'll be offline for few hours, but then I'll read the email carefully
>>> and try to find why is it not working for you.
>>>
>>> Kind regards,
>>> Lukáš
>>>
>>> _______________________________________________
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>>> Avocado-devel at redhat.com
>>> https://www.redhat.com/mailman/listinfo/avocado-devel
>>
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