Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[aalvarez]

Understood. 

I have submitted a patch to pbr for review here:
https://review.openstack.org/#/c/466225/



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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Julien Danjou]

On Thu, May 18 2017, aalvarez wrote:

> Yes but doesn't Pecan allow to use a development server (pecan serve) that
> can accept interface and port options? I thought this would be the
> test/development server Gnocchi would use.

We could but there's no need and it's just one line to rely on pbr's
WSGI server. I'm sure adding the feature to pbr and be framework
agnostic would not be a big deal. :)

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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[aalvarez]

Yes but doesn't Pecan allow to use a development server (pecan serve) that
can accept interface and port options? I thought this would be the
test/development server Gnocchi would use.



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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Julien Danjou]

On Thu, May 18 2017, Hanxi Liu wrote:

> Ceilometer, Gnocchi, Aodh all use pbr, so the port is 8000 by default.
>
> I guess we also should hardcode Gnocchi's port in rdo project, together
> with Aodh.
> i proposed patchs for Aodh and Gnocchi:
>
> https://review.rdoproject.org/r/#/c/5848/
> https://review.rdoproject.org/r/#/c/5847/
>
> But hguemar suggest not to hardcode port.
>
> How do you think about this?

Port for HTTP is 80. The rest, unless assigned by IANA, is fantasy. :-)

You can make all your (OpenStack) services run under
http://example.com/openstack, e.g. http://example.com/openstack/metric
for Gnocchi, if you want. So there's no good reason to assigne a port to
a service more than there is to assigne a hardcoded URL prefix.

So I think I'd agree with Haikel here. But ultimately, in the RDO case,
the packaging files should leverage a real WSGI Web server like uwsgi if
they want to start the service, rather than defaulting *all* packages to
the same pbr default. Which will conflict and is bad user experience.

Nobody asks what the default port of e.g. phpmyadmin. The same should go
with OpenStack services ultimately. Unfortunately, the bad habit has
spread from the early day of Nova and Swift using a port and not
providing a WSGI file.

-- 
Julien Danjou
/* Free Software hacker
   https://julien.danjou.info */


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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Julien Danjou]

On Thu, May 18 2017, aalvarez wrote:

> I thought the API was based on and mounted by Pecan? Isn't there a way to
> pass these options to Pecan?

Pecan is an API framework, not a HTTP server.

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# https://julien.danjou.info


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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[aalvarez]

I thought the API was based on and mounted by Pecan? Isn't there a way to
pass these options to Pecan?



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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Hanxi Liu]

On Thu, May 18, 2017 at 3:06 PM, Julien Danjou  wrote:

> On Wed, May 17 2017, aalvarez wrote:
>
> > I do not need this functionality for production, but for testing. I
> think it
> > would be nice if we can specify the interface for the gnocchi-api even
> for
> > test purposes, just like the port.
>
> Feel free to send a patch. This is provided by pbr so that's where you
> should sent the patch:
>
>   https://docs.openstack.org/developer/pbr/
>
> Hi jd,

Ceilometer, Gnocchi, Aodh all use pbr, so the port is 8000 by default.

I guess we also should hardcode Gnocchi's port in rdo project, together
with Aodh.
i proposed patchs for Aodh and Gnocchi:

https://review.rdoproject.org/r/#/c/5848/
https://review.rdoproject.org/r/#/c/5847/

But hguemar suggest not to hardcode port.

How do you think about this?

Cheers,
Hanxi Liu
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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Julien Danjou]

On Wed, May 17 2017, aalvarez wrote:

> I do not need this functionality for production, but for testing. I think it
> would be nice if we can specify the interface for the gnocchi-api even for
> test purposes, just like the port.

Feel free to send a patch. This is provided by pbr so that's where you
should sent the patch:

  https://docs.openstack.org/developer/pbr/

-- 
Julien Danjou
// Free Software hacker
// https://julien.danjou.info


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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[aalvarez]

I do not need this functionality for production, but for testing. I think it
would be nice if we can specify the interface for the gnocchi-api even for
test purposes, just like the port.



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Re: [openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Mehdi Abaakouk]

Hi,

On Thu, May 18, 2017 at 11:14:06AM +0800, Andres Alvarez wrote:

Hello folks

The gnocchi-api command allows running the API server usign a spefic port:

usage: gnocchi-api [-h] [--port PORT] -- [passed options]

positional arguments:
 -- [passed options]   '--' is the separator of the arguments used to start
   the WSGI server and the arguments passed to the WSGI
   application.

optional arguments:
 -h, --helpshow this help message and exit
 --port PORT, -p PORT  TCP port to listen on (default: 8000)

I was wondering if it's possible as well to use a specific interface? (In
my case, I am working on a cloud dev environment, so I need 0.0.0.0)?


gnocchi-api is for testing purpose, for production or any HTTP server
advanced usage, I would recommend to use the wsgi application inside a
real HTTP server, you can find an example with uwsgi here:
http://gnocchi.xyz/running.htm

Cheers,

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Mehdi Abaakouk
mail: sil...@sileht.net
irc: sileht


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[openstack-dev] [gnocchi] Running Gnocchi API in specific interface

[Andres Alvarez]

Hello folks

The gnocchi-api command allows running the API server usign a spefic port:

usage: gnocchi-api [-h] [--port PORT] -- [passed options]

positional arguments:
  -- [passed options]   '--' is the separator of the arguments used to start
the WSGI server and the arguments passed to the WSGI
application.

optional arguments:
  -h, --helpshow this help message and exit
  --port PORT, -p PORT  TCP port to listen on (default: 8000)

I was wondering if it's possible as well to use a specific interface? (In
my case, I am working on a cloud dev environment, so I need 0.0.0.0)?

If not, would this be a welcomed change for a pull request?

Thanks
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