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module Vm
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PROPERTIES = [ :hypervisor_id, :storage_pool, :interface, :memory, :vcpu, :disk_size, :network_type ]
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def self.included(base)
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base.send :include, InstanceMethods
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base.class_eval do
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Vm::PROPERTIES.each {|a| attr_accessor(a)}
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validates_presence_of :memory, :vcpu, :storage_pool, :disk_size, :network_type, :interface, :if => Proc.new{|h| h.hypervisor?}
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end
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end
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module InstanceMethods
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def hypervisor?
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!hypervisor_id.blank?
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end
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def hypervisor
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return nil unless hypervisor?
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Hypervisor.find(hypervisor_id)
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rescue ActiveRecord::RecordNotFound
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# we stored an invalid hypervisor
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self.hypervisor_id = nil
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end
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end
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end
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