Module: Capsaicin::Service::Command

Included in:
Capsaicin::Service
Defined in:
lib/capsaicin/service/command.rb

Instance Method Summary collapse

Instance Method Details

#command(id, start, stop, *args) ⇒ Object

Defines a recipe to control a command-based service.



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# File 'lib/capsaicin/service/command.rb', line 12

def command(id,start,stop,*args)
  options = Hash===args.last ? args.pop : {}

  svc_name = id.to_s
  svc_desc = next_description(:reset) || (svc_name.capitalize unless options.delete(:hide))
  extras = options.delete(:extras) || {}
  via = options.delete(:via)

  namespace id do

    desc "#{svc_desc}: #{SVC_ACTION_CAPTIONS[:start]}" if svc_desc
    task :start, options do
      send(via || fetch(:run_method, :run), start)
    end

    desc "#{svc_desc}: #{SVC_ACTION_CAPTIONS[:stop]}" if svc_desc
    task :stop, options do
      send(via || fetch(:run_method, :run), stop)
    end

    unless extras.key? :restart
     desc "#{svc_desc}: #{SVC_ACTION_CAPTIONS[:restart]}" if svc_desc
     task :restart, options do
       stop
       start
     end
   end
   
    extras.each do |k,cmd|
     desc "#{svc_desc}: #{SVC_ACTION_CAPTIONS[k]}" if svc_desc
     task k, options do
       send(via || fetch(:run_method, :run), cmd)
     end
    end
  
    instance_eval { yield } if block_given?
  end
end

#command?(start, stop) ⇒ Boolean

Check for the existance of a command-based service.

Returns:

  • (Boolean) 


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# File 'lib/capsaicin/service/command.rb', line 6

def command?(start, stop)
  files.executable? start and files.executable? stop
end