|
class FactValue < Puppet::Rails::FactValue
|
|
belongs_to :host #ensures we uses our Host model and not Puppets
|
|
delegate :name, :to => :fact_name
|
|
|
|
scoped_search :on => :value, :in_key=> :fact_name, :on_key=> :name, :rename => :facts, :complete_value => true
|
|
scoped_search :on => :value, :default_order => true
|
|
scoped_search :in => :fact_name, :on => :name, :complete_value => true, :alias => "fact"
|
|
scoped_search :in => :host, :on => :name, :rename => :host, :complete_value => true
|
|
|
|
named_scope :no_timestamp_facts, :include => [:fact_name],
|
|
:conditions => ["fact_names.name <> ?",:_timestamp]
|
|
|
|
named_scope :timestamp_facts, :joins => [:fact_name],
|
|
:conditions => ["fact_names.name = ?",:_timestamp]
|
|
|
|
named_scope :distinct, { :select => 'DISTINCT "fact_values.value"' }
|
|
named_scope :required_fields, { :include => :host }
|
|
default_scope :order => 'LOWER(fact_values.value)'
|
|
|
|
# Todo: find a way to filter which values are logged,
|
|
# this generates too much useless data
|
|
#
|
|
# acts_as_audited
|
|
|
|
# returns the average of all facts
|
|
# required only on facts that return a unit (e.g. MB, GB etc)
|
|
# normal facts could be used via the sum and AR average
|
|
def self.mem_average(fact)
|
|
total, count = to_gb(fact)
|
|
return 0 if count == 0
|
|
(total / count).round_with_precision(1)
|
|
end
|
|
|
|
# returns the rounded total of memory fact values (e.g. MB, GB etc)
|
|
def self.mem_sum(fact)
|
|
to_gb(fact).first.round_with_precision(1)
|
|
rescue
|
|
0
|
|
end
|
|
|
|
# returns the sum of each value, e.g. how many machines with 2,4...n cpu's
|
|
def self.count_each(fact)
|
|
hash = {}
|
|
all(:select => "value", :joins => :fact_name, :conditions => {:fact_names => {:name => fact}}).each do |fv|
|
|
value = fv.value.strip.humanize
|
|
if hash[value].nil?
|
|
hash[value] = 1
|
|
else
|
|
hash[value] += 1
|
|
end
|
|
end
|
|
hash
|
|
end
|
|
|
|
def self.build_facts_hash facts
|
|
hash = {}
|
|
facts.each do |fact|
|
|
hash[fact.host.to_s] ||= {}
|
|
hash[fact.host.to_s].update({fact.name.to_s => fact.value})
|
|
end
|
|
return hash
|
|
end
|
|
|
|
private
|
|
# converts all strings with units (such as 1 MB) to GB scale and Sum them
|
|
# returns an array with total sum and number of elements
|
|
def self.to_gb fact
|
|
values = all(:select => "value", :joins => :fact_name, :conditions => {:fact_names => {:name => fact}}).map do |fv|
|
|
fv.value.to_gb
|
|
end
|
|
[ values.sum, values.size ]
|
|
end
|
|
|
|
end
|
