d130db9fa8
Although these migrations run fine today, they could break in the future if changes are made to the current model code.
48 lines
859 B
Ruby
48 lines
859 B
Ruby
require "ipaddr"
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class IPAddr
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def address
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_to_string(@addr)
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end
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def netmask
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_to_string(@mask_addr)
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end
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end
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class MergeAclAddressAndMask < ActiveRecord::Migration[4.2]
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class Acl < ActiveRecord::Base
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end
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def up
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Acl.find_each do |acl|
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address = IPAddr.new(acl.address)
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netmask = IPAddr.new(acl.netmask)
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prefix = 0
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while netmask != "0.0.0.0"
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netmask = netmask << 1
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prefix += 1
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end
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acl.address = "#{address.mask(prefix)}/#{prefix}"
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acl.save!
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end
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remove_column :acls, :netmask
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end
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def down
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add_column :acls, :netmask, :inet
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Acl.find_each do |acl|
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address = IPAddr.new(acl.address)
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acl.address = address.address
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acl.netmask = address.netmask
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acl.save!
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end
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change_column :acls, :netmask, :inet, :null => false
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end
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end
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