lib/god/conditions/disk_usage.rb

   1 module God
   2   module Conditions
   3
   4     class DiskUsage < PollCondition
   5       attr_accessor :above, :mount_point
   6
   7       def initialize
   8         super
   9         self.above = nil
  10         self.mount_point = nil
  11       end
  12
  13       def valid?
  14         valid = true
  15         valid &= complain("Attribute 'mount_point' must be specified", self) if self.mount_point.nil?
  16         valid &= complain("Attribute 'above' must be specified", self) if self.above.nil?
  17         valid
  18       end
  19
  20       def test
  21         usage = `df | grep -i " #{self.mount_point}$" | awk '{print $5}' | sed 's/%//'`
  22         usage.to_i > self.above
  23       end
  24     end
  25
  26   end
  27 end