Forum: IronRuby Preview of ironruby-rack gem

All,

I’d like your feedback and testing of a *early-but-near-to-beta-quality* 
build
of IronRuby.Rack, packaged in a RubyGem with some very simple scripts to
configure rack-based applications for running on
ASP.NET<http://www.asp.net/>and deploying to
IIS <http://www.iis.net/> on Windows.

*INSTALL*

First you'll need IronRuby 1.0 for .NET
4.0<http://ironruby.codeplex.com/releases/view/25901>i...
http://ironruby.codeplex.com/releases/view/25901#D...

Since it’s a for-the-mailing-list-only preview, I am not publishing it 
to
rubygems.org until I’ve gotten enough of your feedback that it’s ready, 
so
you’ll have to first download the gem from:
http://jimmy.schementi.com/downloads/ironruby-rack...

And then install it with your IronRuby installation:
D:\>igem install path\to\ironruby-rack-0.0.9-universal-dotnet.gem

This gem packages up the following components:

   - IronRuby.Rack.dll: integration between Rack and ASP.NET
   - Cassini.exe: a open-source development-time web server
   - rack2aspnet <app_path> [rails|sinatra]: takes a Rack application 
and
   enables it to run on ASP.NET
   - deploy2iis <app_name> <app_path>: takes a Rack-enabled
ASP.NETapplication and deploys it to the IIS web server.

*USAGE*

Lets take a tiny Sinatra app and deploy it to IIS. Given this app:

D:\>cd demo

D:\>more app.rb
require 'rubygems'
require 'sinatra'

get '/' do
  'hi'
end


Run rack2aspnet to set it up for running on ASP.NET:

D:\demo>rack2aspnet . sinatra


rack2aspnet copied IronRuby.Rack, Cassini, and your local copy of 
IronRuby
to the "bin" directory, a config.ru for sinatra (if not present 
already),
and a web.config all pre-configured to point at your local IronRuby
installation:

   - bin\Cassini.exe
   - bin\ir.exe
   - bin\ir.exe.config
   - bin\IronRuby.dll
   - bin\IronRuby.Libraries.dll
   - bin\IronRuby.Libraries.Yaml.dll
   - bin\IronRuby.Rack.dll
   - bin\Microsoft.Dynamic.dll
   - bin\Microsoft.Scripting.dll
   - config.ru
   - log
   - web.config

Because it's been ASP.NET-ified, it can run on any ASP.NET web-server; 
this
gem includes Cassini.exe:

D:\demo>bin\Cassini.exe D:\demo 9202 /


Now this app can be deployed to an IIS web server with deploy2iis:

D:\demo>deploy2iis myapp d:\demo
Gives IIS_IUSRS FullControl to d:\demo
myapp has been created successfully.
myapp has been configured successfully.
IIS Restarted


Note: you'll still have to give IIS_IUSRS read-only access to your 
IronRuby
installation; the script will enable this in the future.

You can now navigate to the Sinatra app at http://localhost/myapp, which
will be running on IIS.

*FEEDBACK*

For now, just reply to the list with any major issues you find. Feel 
free to
try it with your own apps too, but make sure they run OK on IronRuby 
first.

If you find some bugs and what to take a stab at fixing them yourself, 
you
can find the source code here:
http://github.com/jschementi/ironruby/tree/master/...


Enjoy,
~Jimmy

Jimmy,
 This is great! Thanks for your work.

 I've run into a few issues so far:

1) not IronRuby.Rack's fault, but the latest rack (1.2.1) breaks the 
minimal
test app above due to this issue:
    http://github.com/rack/rack/issues/issue/32
    (I had to apply the patch mentioned via that link to get things 
working
w/ rack 1.2.1)

2) Is there any way you can detect if sintra is not already installed 
when
running: rack2aspnet . sinatra
    I did not have the gem installed, and so I received an error when
browsing to the app via cassini
    If possible, it would be cool to warn the user that sinatra (or 
rails)
is not installed when running rack2aspnet

 3) Very minor - I created the app.rb like above, and then ran 
rack2aspnet.
     At first, I was a little confused why my app.rb wasn't used at all, 
and
instead, some default text from the config.ru was used instead.
     Is it possible to detect if app.rb already exists, and use it by
default if so (from the config.ru)?

  Will continue working with this, thanks again!

Best Regards,
Kevin Radcliffe

_______________________________________________
Ironruby-core mailing list
Ironruby-core@rubyforge.org
http://rubyforge.org/mailman/listinfo/ironruby-core

From: ironruby-core-bounces@rubyforge.org
[mailto:ironruby-core-bounces@rubyforge.org] On Behalf Of Kevin 
Radcliffe
Sent: Tuesday, July 06, 2010 1:11 PM
To: ironruby-core@rubyforge.org
Subject: Re: [Ironruby-core] Preview of ironruby-rack gem



 3) Very minor - I created the app.rb like above, and then ran 
rack2aspnet.

     At first, I was a little confused why my app.rb wasn't used at all, 
and
instead, some default text from the config.ru was used instead.

     Is it possible to detect if app.rb already exists, and use it by
default if so (from the config.ru)?



I hit this, too. If nothing else, just don't put a default app in the
config.ru at all and let the developer add it. I know you only add the
config.ru if it doesn't already exist. I suppose it's a toss up as to
whether to show a default message or leave it blank. I can go either 
way,
but I kinda lean toward blank.



Ryan

_______________________________________________
Ironruby-core mailing list
Ironruby-core@rubyforge.org
http://rubyforge.org/mailman/listinfo/ironruby-core

Jimmy,

As mentioned before, it appears (at least on my own Windows 7 x64 
system)
that add_acl (in lib\rack\deploy\iis.rb) was not giving FullControl 
rights
to IIS_IUSRS as expected.
This results in the "cannot read configuration file" that Ryan reported
above.

I was able to get the system to give appropriate rights to IIS_IUSRS but 
in
a very strange way:

I had to give it 2 FileSystemAccessRules, one simpler one and the full 
one
(that you already had in iis.rb)
If I give it one or the other but not BOTH, it will add IIS_IUSRS as a 
user
of the app directory, but will NOT give it any permissions at all.

Here's the gist with my minor edits (in case it is helpful).
(again, this is from lib\rack\deploy\iis.rb):

http://gist.github.com/467279

Unfortunately, I'm not really sure WHY this is the case.
It seems strange to be required to essentially add 2 rules that appear 
to do
the same thing.

Best Regards,
Kevin Radcliffe

Hi,

I'm checking out the new IronRuby.Rack utils with a small web 
application
(not the sample one) I have here.
The first problems I had were related to version problems since the 
project
had been created using version 1.0.0.0 (and I'm using 1.1). Small fixes 
for
the references in the project made this problem go away.

Another problem was that the virtual directory on the IIS server was 
created
using the default application pool, which uses .NET 2. Since I'm using 
the
.NET 4 version I had to change the application pool.

Last problem, which I couldn't figure out yet is that now I get the next
error:

unknown: No coercion operator is defined between types 'System.String'
and 'IronRuby.Builtins.MutableString'. (TypeError)

I took a look at the log and it seems like the problem is somewhere in 
this
method:

        private object Rackup() {
            Utils.Log("=> Loading Rack application");
            var fullPath = Path.Combine(_appRoot, "config.ru");
            if (File.Exists(fullPath)) {
                return IronRubyEngine.ExecuteMethod<RubyArray>(
                    IronRubyEngine.Execute("Rack::Builder"),
                    "parse_file", 
MutableString.CreateAscii(fullPath))[0];
            }
            return null;
        }

Any ideas?

Thanks!
Shay.
--------------------------------------------------------
Shay Friedman | Microsoft Visual C#/IronRuby MVP | Author of IronRuby
Unleashed
Blog: http://IronShay.com | Twitter: http://twitter.com/ironshay


On Wed, Jul 7, 2010 at 11:20 PM, Kevin Radcliffe

Jimmy,

What's the status with some of the issues identified so far? Also, have 
you
made it easier to switch between 1.0 and 1.1?

Cheers,

Ryan Riley

First, thank you for doing what you're doing. The sooner we can develop 
Rails 3 apps in IronRuby and deploy them to IIS without pain, the 
better! Especially since the pain level can be a deciding factor in 
whether to use Rails or ASP.NET MVC 2.

That said, I've followed the instructions above. I have a Rails 2.3.5 
app with Rack 1.0.1 that runs fine under webrick.

rack2aspnet did what you suggested it would do.
deploy2iis told me I needed Administrator privileges. Closed command 
window, reopened with administrator privileges. Ran again, did what you 
suggested it would do.

In browser, I get error screen:


Error: undefined method `parse_file' for Rack::Builder:Class

unknown: undefined method `parse_file' for Rack::Builder:Class 
(NoMethodError)


Search paths

C:/workspace/jkt
C:/IronRuby/lib/IronRuby
C:/IronRuby/lib/ruby/1.8
C:/IronRuby/lib/ironruby/gems/1.8/gems/rack-1.0.1/bin
C:/IronRuby/lib/ironruby/gems/1.8/gems/rack-1.0.1/lib
C:/IronRuby/lib/ruby/site_ruby/1.8
.

Gem paths

C:/IronRuby/lib/ironruby/gems/1.8

Hi all,

First, thank you for all the effort put in this project.

Is there any news on this particular project (ironruby-rack gem), going 
forward with the release 1.1.1?

Eduardo

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Hi all,

IronRuby 1.1.2 is really working good...

I was trying to see what is the status of this project,
it seems to be no longer in the original path in github.

Is there any news-updates on that?
Is there any way to contribute to the project?

Regards

Eduardo

Eduardo Blumenfeld wrote in post #958706:
> Hi all,
>
> First, thank you for all the effort put in this project.
>
> Is there any news on this particular project (ironruby-rack gem), going
> forward with the release 1.1.1?
>
> Eduardo

Eduardo Blumenfeld wrote in post #982472:
Hi all,

IronRuby 1.1.2 is working really good in production for wpf 
applications.
Do you know the status of the IronRuby-Rack project?

Is there any way to contribute?


Eduardo

On Sat, Apr 23, 2011 at 2:10 PM, Eduardo Blumenfeld
<lists@ruby-forum.com> wrote:
> IronRuby 1.1.2 is working really good in production for wpf
> applications.
> Do you know the status of the IronRuby-Rack project?

Not much going on. Should at least make sure it's rack-1.2.0 compatible.

> Is there any way to contribute?

If you want to submit patches, source is here:
https://github.com/IronLanguages/main/tree/master/...

If you want to contribute blog-posts, tutorials, or documentation,
send it to the mailing list and we'll figure out where best to put it.

~Jimmy

I may also be interested in contributing to move IronRuby.Rack toward
rack-1.2.0 compatibility.

I would imagine (but this could be totally wrong) that we would want to 
move
more tests over from:
https://github.com/chneukirchen/rack/tree/master/test

Would this be a good approach?
Where would be a good place for them, here?
https://github.com/IronLanguages/main/tree/master/...
(Or pehaps a subdirectory off of that)

If it isn't a good approach, what would be a better way to move toward 
1.2.0
compatibility?
Thanks!

Best Regards,
Kevin Radcliffe

There are two important parts to testing IronRuby-Rack:

First, we need to make sure IronRuby can run rack 1.2. This will be a 
subset of the tests as rack has tests for mongrel and thin, which we 
won't be able to run, but the webrick test is fair game. The rack tests 
are checked into external/languages/ruby/tests, as we used to run rack 
tests against IronRuby in CI. So just updating those tests and running 
them should be all that's required, and well see what bugs come out of 
that.

Second we need to actually test IronRuby-Rack: given a HttpRequest it 
creates a valid rack request, runs the request, and then takes the rack 
response and makes into a HttpResponse. We should thoroughly make sure 
that's unit tested, and the only way to do that  is write the tests; the 
rack tests won't really help. Currently there are some unit tests and a 
test similar to rack's webrick test that use Cassini instead. For 
starters in testing the HttpRequest portion, we could give it a 
HttpRequest and run rack-lint to make sure it doesn't fuck anything up. 
But ideally we'll probably need tests exercising the entire rack spec.

~Jimmy