On Apr 4, 2007, at 9:03 AM, maui wrote:
> Hi everyone,
>
> Over here we're using multiple OSs for our rails app. Our dev env is
> on a FreeBSD box and we're using TextDrive Accelerators for deployment
> (OpenSolaris). As a result we need to customize a few of our tasks
> based on the server type. One idea we had was to use extra
> information to indicate which servers are running OpenSolaris. For
> example s1.foo.com is running FreeBSD and s1.foo.com is running
> Solaris.
>
> role :app, "s1.foo.com"
> role :app, "s2.foo.com", :solaris => true
>
> So, the question is can a task see which server it is being executed
> on? For instance:
>
> task :restart do
> if <extra information for this server hash>[:solaris]
> run 'svcadm restart /network/mongrel'
> else
> mongrel_rails cluster::restart
> end
> end
>
> Does the magic code in angle brackets above exist?
Mark, no, because the task is not executed once for each server, but
once for all matching servers. The "right" way to do that would be to
put the different parts in different tasks, and put the condition on
the task:
task :restart do
restart_solaris
restart_other
end
task :restart_solaris, :only => { :solaris => true } do
run 'svcadm restart /network/mongrel'
end
task :restart_other, :except => { :solaris => true } do
run "mongrel_rails cluster::restart"
end
Hope that helps,
Jamis
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