Il giorno 31/gen/2011, alle ore 13.07, Yann Malet ha scritto:
> Hello,
>
> In the recent uwsgi progress a feature capture my attention : emperor mode
> This is solving a problem we are often facing so I was trying to make sense
> of it. I have created a mercurial repo that contains the directory structure
> I am trying to use :
> * https://bitbucket.org/yml/uwsgi-emperor-template-configuration/src
>
> The idea is to find a generic directory structure that I could easily deploy
> on a server. The overall process is :
>
> hg clone https://bitbucket.org/yml/uwsgi-emperor-template-configuration
> pip install -E uwsgi-tip -r requirement.pip
> start-uwsgi.sh
>
> In the directory called "vassal-sites" I have added 2 simple wsgi apps. Each
> of them has a uwsgi configuration file.
you have extended the directory structure with another level (site1/site1.xml
instead of site1.xml).
This is not a problem (i will fix it in 2 minutes), and i found it a good
approach for mass/automatic deploy.
>
> So far I haven't been able to setup "Cherokee" to serve the wsgi apps.
> I have added a vserver called "uwsgi-emperor", document root=/var/www. I have
> uncheck the 'check_file' property.
> This emperor host match is defined like this : Wildcard and the domain
> pattern : *
The problem is that Cherokee does not know the name of the socket to connect
to (and it must be based on the hostname).
The emperor should start a proxy/router that forward request to specific
instances based on HTTP_HOST/SERVER_NAME
variables. But how to pass this information from the instance to the emperor ?
The sequence will be:
client connect to cherokee
cherokee connect to emperor
emperor check its internal table and choose the right socket
emperor connect to instance
instance wiil generate response
I could add an option "name" that can have multiple use.
For example if you have a configuration like this:
<uwsgi>
<socket>/var/run/%s.sock</socket>
<module>myapp</module>
<name>yml.com</name>
<name>yml2alias.com</name>
</uwsgi>
If run by a emperor thsi instance will announce to the emperor that everytime
he receives
a HTTP_HOST/SERVER_NAME == name the request must be forwarded to its socket.
Other ideas ?
--
Roberto De Ioris
http://unbit.it
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