How to pass roles to server method programmatically?

[Faissal Elamraoui]

Hello everyone,

I have a list of IP addresses which i iterate over to declare Capistrano servers (outside any DSL context) and i'm wondering how can i pass roles as a parameter:

def cap_servers(roles=nil)
   my_servers.each { |ip_addr|
       server ip_addr, roles || %{:app}
   }
end

am I doing it correctly?

Thanks,

Faissal

[Lee Hambley]

Did you check the implementation of server in the "DSL" file?

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[Lee Hambley]

Check out https://github.com/capistrano/capistrano/blob/80459d88da3d39981cf85c5dc35447ad2b20b618/lib/capistrano/dsl/env.rb#L71 and https://github.com/capistrano/capistrano/blob/80459d88da3d39981cf85c5dc35447ad2b20b618/lib/capistrano/dsl/env.rb#L43 which should lead you to the conclusion that Capistrano.env.server(...) should work for accessing this method outside the DSL, but it's unsupported, and I never tried it!

Let me know if it works?

Lee Hambley

http://lee.hambley.name/

+49 (0) 170 298 5667

[Faissal Elamraoui]

Thanks Lee. Capistrano.env.server(name, properties) works fine!

def cap_servers(roles=nil)
   my_servers.each { |ip_addr|
       server ip_addr, { :roles => (roles || %w{app}) }
   }
end

Br,

Faissal