Forum: Ruby on Rails Capistrano on Windows

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365c8238c216cfb90572ef1086c0cb0e?d=identicon&s=25 Lester Bangs (Guest)
on 2006-04-20 00:23
(Received via mailing list)
So, I've just completed my first develop-test-deploy-wait
-fix-test-deploy,
and although it was successful it was a nightmare to carry out.
Aside from not knowing that sqlite doesnt have a facility to delete
columns from tables, the whole operation reeked of "hacked," with
multiple command windows open while I sprinted back and forth
between my dev machine and the web server (luckily the app is on
an intranet so I have physical access to the systems).

Capistrano seems to be what I am looking for.  However, not three
 paragraphs into the manual, I see:

"The remote server is capable of understanding POSIX shell
 commands. (Windows, by default, does not fall
into this category)..."

This is highly discouraging, so much so that I skipped my normal
procedure of doing a Google search for "[Cool Script/Program that
 doesnt work under Windows] under Windows."  I'm just tired of
having to jump through hoops to acheive what it takes Unix users
 2 seconds to do.  From not ever getting "rake freeze_gems" to work,
to the absolute debacle that is rails+IIS/fastcgi/lighttpd/ISAPI (you're
telling me with a straight face that I need to install Apache to get
rails working in IIS?  WTF?) I'm extremely frustrated.

I'm whining.  Back to my original question.  I want to implement
Capistrano on my Windows-based setup.  Am I wasting my time
insofar as huge chunks of functionality will be unavailable or will I be
able to utilize
it in some sort of useful capacity?

Thank you.
Cb610750ee94ca103aef4b2dc7b1b768?d=identicon&s=25 Nick Stuart (Guest)
on 2006-04-20 01:28
(Received via mailing list)
A couple of quick things. I also have the mis-fortune of deploying on
Windows, but I AM lucky enough to be able to use Apache, but that's
besides
the point.
First, I'm assuming you are already using Subversion, or at least
CVS...right? Because these are your best friends when it comes to
updating
your apps.
Your second best friend...migrations!  =)   These little guys are great
and
safe a load of time. I'm not sure how SQLite handles these, I use
postgres,
but I would think they are implemented for sqlite as well.

So, with these to things in mind here's my usual update process: (all
from a
terminal server so no sprinting involved:) )
Start -> Run -> Cmd
`cd [to rails app]`
`svn update`
May or may not put up a maintenance message depending on the update and
if
my migrations would break anything. The good thing about this is that
your
models/controllers wont change until you restart the server, so that
saves
the 'hurry up before someone reloads a page' type deal, most of the
time.
`rake migrate`
Do a graceful restart on Apache so it doesn't interrupt any current
users.
And I'm done.

This misses a couple things that capistrino would do for you, which
again
are a limitation of windows. First is the sym linking of directories for
different versions and for your common files like logs. Second, you
obviously would have to do this on all your servers by hand if you have
some
kind of cluster/load balancing scheme.

This process though hasn't really failed me yet, and lets me do small,
incremental updates really quickly. It means I'm committing a lot more
to
SVN, but thats not a bad thing is it? :)

I know I'm a little OT here, but I think trying to re-implement Cap on
windows would be a big pain in the arse, and would require more things
installed, and have a better likely hood of having something in the
chain
breaking. I like to keep it as simple as possible. That being said, if I
had
a choice of running on a 'nix box, I would most definitely use
Capistrino.

-Nick
34f5b045aec62235c17458650ea75353?d=identicon&s=25 Steve Koppelman (hatless)
on 2006-04-20 04:55
Capistrano should work on Win32 systems, at least if you have Cygwin
installed and are using Cygwin's sshd, svn client and so on, since all
it really does is log in via ssh and run a bunch of basic Unix-style
commands remotely. You may need to spend a lot of time compared to most
of us writing/customizing your Capistrano recipes and getting the Cygwin
environment vars set properly and maybe figuring out how to best restart
Apache from the commandline if you're using services, but it seems as
though  it should work.

Someone on the wiki mentioned it worked but that it definitely needs the
cygwin svn client and reworked recipes.

Lester Bangs wrote:
> So, I've just completed my first develop-test-deploy-wait
> -fix-test-deploy,
> and although it was successful it was a nightmare to carry out.
> Aside from not knowing that sqlite doesnt have a facility to delete
> columns from tables, the whole operation reeked of "hacked," with
> multiple command windows open while I sprinted back and forth
> between my dev machine and the web server (luckily the app is on
> an intranet so I have physical access to the systems).
>
> Capistrano seems to be what I am looking for.  However, not three
>  paragraphs into the manual, I see:
>
> "The remote server is capable of understanding POSIX shell
>  commands. (Windows, by default, does not fall
> into this category)..."
>
> This is highly discouraging, so much so that I skipped my normal
> procedure of doing a Google search for "[Cool Script/Program that
>  doesnt work under Windows] under Windows."  I'm just tired of
> having to jump through hoops to acheive what it takes Unix users
>  2 seconds to do.  From not ever getting "rake freeze_gems" to work,
> to the absolute debacle that is rails+IIS/fastcgi/lighttpd/ISAPI (you're
> telling me with a straight face that I need to install Apache to get
> rails working in IIS?  WTF?) I'm extremely frustrated.
>
> I'm whining.  Back to my original question.  I want to implement
> Capistrano on my Windows-based setup.  Am I wasting my time
> insofar as huge chunks of functionality will be unavailable or will I be
> able to utilize
> it in some sort of useful capacity?
>
> Thank you.
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