class RRD::Xport
Constants
- DEF_OPTIONS
Attributes
definitions[RW]
output[RW]
parameters[RW]
printables[RW]
Public Class Methods
new(parameters = {})
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# File lib/rrd/xport.rb, line 8 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
Public Instance Methods
for_rrd_data(data_name, options)
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# File lib/rrd/xport.rb, line 17 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()
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# File lib/rrd/xport.rb, line 36 def save Wrapper.xport(*generate_args) end
using_calculated_data(data_name, options)
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# File lib/rrd/xport.rb, line 24 def using_calculated_data(data_name, options) definition = "CDEF:#{data_name}=#{options[:calc]}" definitions << definition definition end
xport(data_name, options)
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# File lib/rrd/xport.rb, line 30 def xport(data_name, options) printable = "XPORT:#{data_name}:#{options[:label].gsub(/:/, '\\:')}" printables << printable [printable] end
Private Instance Methods
generate_args()
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# File lib/rrd/xport.rb, line 41 def generate_args args = [] args += RRD.to_line_parameters(parameters) args += definitions args += printables end