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class FakeBMCNic < ActiveRecord::Base
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self.table_name = 'nics'
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serialize :attrs, Hash
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ATTRIBUTES = [:username, :password, :provider]
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PROVIDERS = %w(IPMI)
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validates :provider, :inclusion => {:in => PROVIDERS}
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ATTRIBUTES.each do |method|
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define_method method do
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self.attrs ||= { }
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self.attrs[method]
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end
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define_method "#{method}=" do |value|
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self.attrs ||= { }
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old_value = attrs[method]
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self.attrs[method] = value
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# attrs_will_change! makes the record dirty. Otherwise, rails has a bug that it won't save if no other field is changed.
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self.attrs_will_change! if (old_value != value)
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end
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end
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def type
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Nic::Base
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end
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end
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class ExtractNicAttributes < ActiveRecord::Migration
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def up
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add_column :nics, :provider, :string
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add_column :nics, :username, :string
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add_column :nics, :password, :string
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say "Extracting serialized attributes"
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FakeBMCNic.all.each do |nic|
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if nic.attrs.present?
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nic.attrs.each_pair do |attribute, value|
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if nic.respond_to?(attribute)
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nic.send("#{attribute}=", value)
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else
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raise Foreman::Exception, "can not extract attribute '#{attribute}', delete custom interface and rerun migration"
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end
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end
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nic.save(:validate => false)
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end
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end
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end
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def down
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FakeBMCNic.all.each do |nic|
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nic.attrs['provider'] = nic.provider unless nic.provider.nil?
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nic.attrs['username'] = nic.username unless nic.username.nil?
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nic.attrs['password'] = nic.password unless nic.password.nil?
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nic.save!
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end
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remove_column :nics, :password
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remove_column :nics, :username
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remove_column :nics, :provider
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end
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end
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