fuel-dev team mailing list archive

[Serg Melikyan <smelikyan@xxxxxxxxxxxx>]

There are a few examples on the project Github
page<https://github.com/ativelkov/yaql>.
More details may be found in the article: Yet Another Query
Language<https://docs.google.com/document/d/1Ct8aPUPPpSmUjh6ugtu_CEBRHfF3bBM5FxzgJ1f-Nwk/edit?usp=sharing>



On Tue, Mar 11, 2014 at 12:42 PM, Serg Melikyan <smelikyan@xxxxxxxxxxxx>wrote:

> Hi, Evgeniy
>
> A few months ago we hit similar use-case in Murano: ability to express
> complicated conditions & queries. We used JSON Path, but it was not enough
> for us.
>
> One major thing that is required when you implementing such mechanism is
> restriction on Python usage - any executable code that can be executed on
> server is a security/stability issue. To solve this use-case without
> introducing ability to run any executable code we have created YAQL<https://github.com/ativelkov/yaql>
> .
>
> YAQL is very extensible and flexible library, that provides great
> conditions/query expirience out of the box. YAQL may be easily extended
> with own functions without adding anything in the library itself. Please,
> look at the YAQL and let's discuss how YAQL may help to solve your cases.
>
>
> On Fri, Mar 7, 2014 at 12:56 PM, Evgeniy L <eli@xxxxxxxxxxxx> wrote:
>
>> Hi Vitaly,
>>
>> I'm not sure that I understand you case correctly, but we can just a
>> render flag to enable or disable role.
>>
>> For example:
>>
>>     roles_metadata:
>>       controller:
>>         name: "Custom Role Name"
>>         description: "Role's description"
>>         conflicts:
>>           - compute
>>         enable:
>>  condition:
>> ${cluster.attributes.editable.additional_components.ceilometer.value}
>>            description: "some error message"
>>
>> And for example we will be able to make more complicated conditions
>>
>> ${not cluster.attributes.editable.additional_components.ceilometer.value}
>>
>> ${cluster.attributes.some_cluster_attr and not
>> cluster.attributes.some_cluster_attr2}
>>
>> But my suggestion is not to use such ugly construction in template (it
>> would be better to create a helper), but it will be really useful for those
>> who add new roles in fuel.
>>
>>
>> On Thu, Mar 6, 2014 at 10:04 PM, Vitaly Kramskikh <
>> vkramskikh@xxxxxxxxxxxx> wrote:
>>
>>> Hi Evgeniy,
>>>
>>> In that particular case with Ceph role availability dependent on
>>> settings, where would you use the template? Generate a role list using it?
>>>
>>>
>>>
>>> 2014-03-06 19:12 GMT+04:00 Evgeniy L <eli@xxxxxxxxxxxx>:
>>>
>>>>  Hi,
>>>>
>>>> We (python team) had a discussion about roles disabling feature [0]
>>>> with colleagues from UI team as result I've created a design document [1]
>>>> where I tried to describe problems which we have and possible solutions.
>>>>
>>>> Comments are welcome.
>>>>
>>>> [0]
>>>> https://docs.google.com/a/mirantis.com/document/d/1-YMcGX0JI4LwbrpsvA-ktIkxVqCI3bi7PQ6U0udW0O0/edit
>>>> [1]
>>>> https://docs.google.com/a/mirantis.com/document/d/1yBaIxUMnrFths7N1_qVkIivpR0GsYHRlGR3C8IZ9bbk/edit#
>>>>
>>>> --
>>>> Mailing list: https://launchpad.net/~fuel-dev
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>>>>
>>>>
>>>
>>>
>>> --
>>> Vitaly Kramskikh,
>>> Software Engineer,
>>> Mirantis, Inc.
>>>
>>
>>
>> --
>> Mailing list: https://launchpad.net/~fuel-dev
>> Post to     : fuel-dev@xxxxxxxxxxxxxxxxxxx
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>>
>>
>
>
> --
> Serg Melikyan, Senior Software Engineer at Mirantis, Inc.
> http://mirantis.com | smelikyan@xxxxxxxxxxxx
>
> +7 (495) 640-4904, 0261
> +7 (903) 156-0836
>



-- 
Serg Melikyan, Senior Software Engineer at Mirantis, Inc.
http://mirantis.com | smelikyan@xxxxxxxxxxxx

+7 (495) 640-4904, 0261
+7 (903) 156-0836