internetee-registry/db/data/20150601083516_add_cert_common_name.rb

class AddCertCommonName < ActiveRecord::Migration
  def self.up
    Certificate.all.each do |x|
      if x.crt.blank? && x.csr.present?
        pc = x.parsed_csr.try(:subject).try(:to_s) || ''
        cn = pc.scan(/\/CN=(.+)/).flatten.first
        x.common_name = cn.split('/').first
      end
      x.save
    end
  end

  def self.down
    raise ActiveRecord::IrreversibleMigration
  end
end