Rails and JRuby

[Charles Oliver Nutter-4]

On Fri, Jul 17, 2009 at 1:04 PM, James Herdman<james.herdman@...> wrote:
> Okay, so I'm working on this puppy a bit as of late and have decided to do
> the Apache/Glassfish gem combo for the time being.
> I'm a little stuck. What I'm
> envisioning the Apache/Glassfish solution as a stop gap until I can deploy a full Glassfish-based stack. What I'm hoping to do is leverage the Apache instance I have running with mod_rails and have some requests proxy back to Glassfish.
> Has any one else had any luck with such a solution? Right now, it seems like
> the requests that should be going back to my app are being ignored. Here's
> my VHOST file:

Were you able to figure this out? It seems like it's an Apache
question, but I know I've fronted Glassfish gem with Apache and it
works great. My vhost config was not very complicated though.

- Charlie

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James are you hitting your app at your viritaulhostname/my_app in the
browser?   Your  ProxyPass is expecting /my_app in the path otherwise
you might want to try

ProxyPass / http://localhost:9000
ProxyPassReverse / http://localhost:9000



On Tue, Jul 21, 2009 at 5:28 PM, Charles Oliver
Nutter<headius@...> wrote:

> On Fri, Jul 17, 2009 at 1:04 PM, James Herdman<james.herdman@...> wrote:
>> Okay, so I'm working on this puppy a bit as of late and have decided to do
>> the Apache/Glassfish gem combo for the time being.
>> I'm a little stuck. What I'm
>> envisioning the Apache/Glassfish solution as a stop gap until I can deploy a full Glassfish-based stack. What I'm hoping to do is leverage the Apache instance I have running with mod_rails and have some requests proxy back to Glassfish.
>> Has any one else had any luck with such a solution? Right now, it seems like
>> the requests that should be going back to my app are being ignored. Here's
>> my VHOST file:
>
> Were you able to figure this out? It seems like it's an Apache
> question, but I know I've fronted Glassfish gem with Apache and it
> works great. My vhost config was not very complicated though.
>
> - Charlie
>
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> To unsubscribe from this list, please visit:
>
>    http://xircles.codehaus.org/manage_email
>
>
>

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[James Herdman]

Hi Charles!

I'm most of the way there. Here's what my VHOST template looks like in my Capistrano recipe:

<VirtualHost *:80>

  DocumentRoot #{current_path}/public

  ProxyPass #{context} http://localhost:#{deploy_port}

  ProxyPassReverse #{context} http://localhost:#{deploy_port}

  ProxyPass #{context}/images !

  ProxyPass #{context}/javascripts !

  ProxyPass #{context}/stylesheets !

  <Directory #{current_path}/public>

    Options FollowSymLinks

    AllowOverride All

    Order allow,deny

    Allow from all

    PassengerEnabled Off # required if you have mod_rails apps running with the same Apache

  </Directory>

</VirtualHost>

So, this clearly means I'm defining a 'context' variable in my deploy.rb file. 'context' can be thought of as the ActionController::Base.relative_url_root value, if any. For most apps, this would just be "/".

I'm also defining a "deploy_port" value. This is a weakness of a multi-app environment. Knowing which port to use could get a little political.

I'm working on some Capistrano tasks to deploy this stuff all automatically, but I'm running into trouble. Namely, Capistrano works by passing in an command to SSH. This means it doesn't get a legit login shell, which means JRuby isn't necessarily visible in the PATH. If anyone knows how to solve this, I'd be very grateful.

I'm skipping WAR'ing up my app for now. The approach I'm using now will help me transition JRuby into my team faster. Eventually I intend to move to a full Glassfish-based stack.

James

On Tue, Jul 21, 2009 at 5:28 PM, Charles Oliver Nutter <headius@...> wrote:

On Fri, Jul 17, 2009 at 1:04 PM, James Herdman<james.herdman@...> wrote:
> Okay, so I'm working on this puppy a bit as of late and have decided to do
> the Apache/Glassfish gem combo for the time being.
> I'm a little stuck. What I'm
> envisioning the Apache/Glassfish solution as a stop gap until I can deploy a full Glassfish-based stack. What I'm hoping to do is leverage the Apache instance I have running with mod_rails and have some requests proxy back to Glassfish.
> Has any one else had any luck with such a solution? Right now, it seems like
> the requests that should be going back to my app are being ignored. Here's
> my VHOST file:

Were you able to figure this out? It seems like it's an Apache
question, but I know I've fronted Glassfish gem with Apache and it
works great. My vhost config was not very complicated though.

- Charlie

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[James Herdman]

Ah! I solved my PATH problem. The trick was to modify my path in /etc/environment (or ~/.environment, if you want to do this per-user).

I should have the rest wrapped up soon.

James

On Wed, Jul 22, 2009 at 11:22 PM, James Herdman <james.herdman@...> wrote:

Hi Charles!

I'm most of the way there. Here's what my VHOST template looks like in my Capistrano recipe:

<VirtualHost *:80>

  DocumentRoot #{current_path}/public

  ProxyPass #{context} http://localhost:#{deploy_port}

  ProxyPassReverse #{context} http://localhost:#{deploy_port}

  ProxyPass #{context}/images !

  ProxyPass #{context}/javascripts !

  ProxyPass #{context}/stylesheets !

  <Directory #{current_path}/public>

    Options FollowSymLinks

    AllowOverride All

    Order allow,deny

    Allow from all

    PassengerEnabled Off # required if you have mod_rails apps running with the same Apache

  </Directory>

</VirtualHost>

So, this clearly means I'm defining a 'context' variable in my deploy.rb file. 'context' can be thought of as the ActionController::Base.relative_url_root value, if any. For most apps, this would just be "/".

I'm also defining a "deploy_port" value. This is a weakness of a multi-app environment. Knowing which port to use could get a little political.

I'm working on some Capistrano tasks to deploy this stuff all automatically, but I'm running into trouble. Namely, Capistrano works by passing in an command to SSH. This means it doesn't get a legit login shell, which means JRuby isn't necessarily visible in the PATH. If anyone knows how to solve this, I'd be very grateful.

I'm skipping WAR'ing up my app for now. The approach I'm using now will help me transition JRuby into my team faster. Eventually I intend to move to a full Glassfish-based stack.

James

On Tue, Jul 21, 2009 at 5:28 PM, Charles Oliver Nutter <headius@...> wrote:

On Fri, Jul 17, 2009 at 1:04 PM, James Herdman<james.herdman@...> wrote:
> Okay, so I'm working on this puppy a bit as of late and have decided to do
> the Apache/Glassfish gem combo for the time being.
> I'm a little stuck. What I'm
> envisioning the Apache/Glassfish solution as a stop gap until I can deploy a full Glassfish-based stack. What I'm hoping to do is leverage the Apache instance I have running with mod_rails and have some requests proxy back to Glassfish.
> Has any one else had any luck with such a solution? Right now, it seems like
> the requests that should be going back to my app are being ignored. Here's
> my VHOST file:

Were you able to figure this out? It seems like it's an Apache
question, but I know I've fronted Glassfish gem with Apache and it
works great. My vhost config was not very complicated though.

- Charlie

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[Charles Oliver Nutter-4]

On Thu, Jul 23, 2009 at 5:29 AM, James Herdman<james.herdman@...> wrote:
> Ah! I solved my PATH problem. The trick was to modify my path in
> /etc/environment (or ~/.environment, if you want to do this per-user).
> I should have the rest wrapped up soon.

Hopefully you can post a howto here and on the wiki once you have
worked out all your issues...I suspect others would appreciate it :)

- Charlie

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[James Herdman]

Hi guys.

I haven't forgotten about this. I'm going into a meeting shortly with my manager and I'll be discussing whether or not I'm allowed to give the community some nifty Capistrano tasks I've written to help deploy apps in this manner.

James

On Fri, Jul 24, 2009 at 7:53 AM, Charles Oliver Nutter <headius@...> wrote:

On Thu, Jul 23, 2009 at 5:29 AM, James Herdman<james.herdman@...> wrote:
> Ah! I solved my PATH problem. The trick was to modify my path in
> /etc/environment (or ~/.environment, if you want to do this per-user).
> I should have the rest wrapped up soon.

Hopefully you can post a howto here and on the wiki once you have
worked out all your issues...I suspect others would appreciate it :)

- Charlie

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