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class FactValue < Puppet::Rails::FactValue
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belongs_to :host #ensures we uses our Host model and not Puppets
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delegate :name, :to => :fact_name
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# Todo: find a way to filter which values are logged,
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# this generates too much useless data
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#
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# acts_as_audited
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# returns the average of all facts
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# required only on facts that return a unit (e.g. MB, GB etc)
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# normal facts could be used via the sum and AR average
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def self.mem_average(fact)
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values=all(:select => "value", :joins => :fact_name, :conditions => {:fact_names => {:name => fact}})
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return values.size > 0 ? (values.map{|fv| fv.value.to_gb}.sum / values.size).round_with_precision(1) : 0
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end
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# returns the sum of each value, e.g. how many machines with 2,4...n cpu's
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def self.count_each(fact)
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hash = {}
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all(:select => "value", :joins => :fact_name, :conditions => {:fact_names => {:name => fact}}).each do |fv|
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value = fv.value.strip.humanize
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if hash[value].nil?
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hash[value] = 1
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else
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hash[value] += 1
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end
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end
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hash
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end
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def as_json(options={})
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super(:only => :value, :include => {:fact_name => {:only => :name }, :host => {:only => :name} } )
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end
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end
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