class AddCertCommonName < ActiveRecord::Migration[5.1] 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 end end