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class FakeNic < ActiveRecord::Base
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self.table_name = 'nics'
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def type
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Nic::Managed
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end
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end
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class FakeHost < ActiveRecord::Base
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self.table_name = 'hosts'
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end
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class MoveHostNicsToInterfaces < ActiveRecord::Migration
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def up
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add_column :nics, :primary, :boolean, :default => false
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add_column :nics, :provision, :boolean, :default => false
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say "Migrating Host interfaces to standalone Interfaces"
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Host::Managed.all.each do |host|
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nic = FakeNic.new
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nic.host_id = host.id
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nic.name = host.name
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nic.mac = host.attributes.with_indifferent_access[:mac]
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nic.ip = host.attributes.with_indifferent_access[:ip]
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nic.subnet_id = host.attributes.with_indifferent_access[:subnet_id]
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nic.domain_id = host.attributes.with_indifferent_access[:domain_id]
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nic.virtual = false
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nic.identifier = host.attributes.with_indifferent_access[:primary_interface] || "eth0"
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nic.managed = host.attributes.with_indifferent_access[:managed]
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nic.primary = true
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nic.provision = true
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nic.type = 'Nic::Managed'
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nic.save!
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say " Migrated #{nic.name}-#{nic.identifier} to nics"
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end
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remove_column :hosts, :ip
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remove_column :hosts, :mac
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remove_column :hosts, :primary_interface
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remove_foreign_key :hosts, :name => "hosts_subnet_id_fk"
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remove_column :hosts, :subnet_id
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remove_foreign_key :hosts, :name => "hosts_domain_id_fk"
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remove_column :hosts, :domain_id
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end
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|
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def down
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add_column :hosts, :ip, :string
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add_column :hosts, :mac, :string, :default => ''
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add_column :hosts, :primary_interface, :string
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add_column :hosts, :subnet_id, :integer
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add_foreign_key "hosts", "subnets", :name => "hosts_subnet_id_fk"
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add_column :hosts, :domain_id, :integer
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add_foreign_key "hosts", "subnets", :name => "hosts_domain_id_fk"
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|
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say "Migrating Interfaces to Host interfaces"
|
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FakeHost.reset_column_information
|
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FakeHost.all.each do |host|
|
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host = host.becomes(FakeHost)
|
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raise ActiveRecord::IrreversibleMigration if FakeNic.where(:primary => true, :provision => false).any?
|
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raise ActiveRecord::IrreversibleMigration if FakeNic.where(:primary => false, :provision => true).any?
|
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nic = FakeNic.where(:host_id => host.id).where(:primary => true, :provision => true).first
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host.mac = nic.mac
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host.ip = nic.ip
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host.subnet_id = nic.subnet_id
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host.domain_id = nic.domain_id
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host.primary_interface = nic.identifier
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host.type = 'Host::Managed'
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host.save!
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nic.destroy
|
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end
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|
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remove_column :nics, :primary
|
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remove_column :nics, :provision
|
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end
|
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end
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