Class: RRD::Xport

Inherits:
Object
  • Object
show all
Defined in:
lib/rrd/xport.rb

Constant Summary collapse

DEF_OPTIONS = 
[:from]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parameters = {}) ⇒ Xport

Returns a new instance of Xport.



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# File 'lib/rrd/xport.rb', line 9

def initialize(parameters = {})      
  @parameters = {:start => Time.now - 1.day, :end => Time.now}.merge parameters
  @parameters[:start] = @parameters[:start].to_i
  @parameters[:end] = @parameters[:end].to_i
  
  @definitions = []
  @printables = []
end

Instance Attribute Details

#definitions ⇒ Object

Returns the value of attribute definitions.



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# File 'lib/rrd/xport.rb', line 5

def definitions
  @definitions
end

#output ⇒ Object

Returns the value of attribute output.



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# File 'lib/rrd/xport.rb', line 5

def output
  @output
end

#parameters ⇒ Object

Returns the value of attribute parameters.



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# File 'lib/rrd/xport.rb', line 5

def parameters
  @parameters
end

#printables ⇒ Object

Returns the value of attribute printables.



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# File 'lib/rrd/xport.rb', line 5

def printables
  @printables
end

Instance Method Details

#for_rrd_data(data_name, options) ⇒ Object 



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# File 'lib/rrd/xport.rb', line 18

def for_rrd_data(data_name, options)  
  dataset = options.reject {|name, value| DEF_OPTIONS.include?(name.to_sym)}
  definition = "DEF:#{data_name}=#{options[:from]}:#{dataset.keys.first}:#{dataset.values.first.to_s.upcase}"
  definitions << definition
  definition
end

#save ⇒ Object 



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# File 'lib/rrd/xport.rb', line 37

def save    
  Wrapper.xport(*generate_args)
end

#using_calculated_data(data_name, options) ⇒ Object 



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# File 'lib/rrd/xport.rb', line 25

def using_calculated_data(data_name, options)
  definition = "CDEF:#{data_name}=#{options[:calc]}"
  definitions << definition
  definition
end

#xport(data_name, options) ⇒ Object 



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# File 'lib/rrd/xport.rb', line 31

def xport(data_name, options)            
  printable = "XPORT:#{data_name}:#{options[:label].gsub(/:/, '\\:')}"
  printables << printable
  [printable]
end