[openstack-dev] [neutron] monkey patching strategy
Ihar Hrachyshka
ihrachys at redhat.com
Tue Feb 17 15:04:54 UTC 2015
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Hi,
response was huge so far :) so to add more traction, I have a question
for everyone. Let's assume we want to move entry points for all
services and agents into neutron/cmd/... If so,
- - Do we want all existing tools stored in the path to be monkey
patched too? I would say 'yes', to make sure we run our unit tests in
the same environment as in real life;
- - Which parts of services we want to see there? Should they include
any real main() or register_options() code, or should they be just a
wrappers to call actual main() located somewhere in other parts of the
tree? I lean toward leaving just a one liner main() under
neutron/cmd/... that calls to 'real' main() located in a different
place in the tree.
Comments?
/Ihar
On 02/13/2015 04:37 PM, Ihar Hrachyshka wrote:
> On 02/13/2015 02:33 AM, Kevin Benton wrote:
>> Why did the services fail with the stdlib patched? Are they
>> incompatible with eventlet?
>
> It's not like *service entry points* are not ready for neutron.* to
> be monkey patched, but tools around it (flake8 that imports
> neutron.hacking.checks, setuptools that import hooks from
> neutron.hooks etc). It's also my belief that base library should
> not be monkey patched not to put additional assumptions onto
> consumers.
>
> (Though I believe that all the code in the tree should be monkey
> patched, including those agents that currently run without the
> library patched - for consistency and to reflect the same test
> environment for unit tests that will be patched from
> neutron/tests/__init__.py).
>
> /Ihar
>
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