Class: Foreman::Configuration

Inherits:
Object
  • Object
show all
Defined in:
lib/foreman/configuration.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Configuration

Returns a new instance of Configuration.



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# File 'lib/foreman/configuration.rb', line 8

def initialize(app)
  @app = app
  @processes = {}
  read_initial_config
end

Instance Attribute Details

#app ⇒ Object (readonly)

Returns the value of attribute app.



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# File 'lib/foreman/configuration.rb', line 5

def app
  @app
end

#processes ⇒ Object (readonly)

Returns the value of attribute processes.



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# File 'lib/foreman/configuration.rb', line 6

def processes
  @processes
end

Instance Method Details

#scale(process, amount) ⇒ Object 



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# File 'lib/foreman/configuration.rb', line 14

def scale(process, amount)
  old_amount = processes[process].to_i
  processes[process] = amount.to_i
  amount = amount.to_i

  if (old_amount < amount)
    ((old_amount + 1) .. amount).each { |num| run "start #{app}-#{process} NUM=#{num}" }
  elsif (amount < old_amount)
    ((amount + 1) .. old_amount).each { |num| run "stop #{app}-#{process} NUM=#{num}" }
  end

  write
end

#write ⇒ Object 



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# File 'lib/foreman/configuration.rb', line 28

def write
  write_file "/etc/foreman/#{app}.conf", <<-UPSTART_CONFIG
#{app}_processes="#{processes.keys.join(' ')}"
#{processes.keys.map { |k| "#{app}_#{k}=\"#{processes[k]}\"" }.join("\n")}
  UPSTART_CONFIG
end