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# Represents a Host's network interface
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# This class is the both parent
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module Nic
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class Base < ActiveRecord::Base
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include Foreman::STI
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self.table_name = 'nics'
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validates_lengths_from_database
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attr_accessible :host_id, :host,
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:mac, :name, :type,
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:provider, :username, :password,
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:identifier, :virtual, :link, :tag, :attached_to,
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:managed, :bond_options, :attached_devices, :mode,
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:primary, :provision, :compute_attributes,
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:_destroy # used for nested_attributes
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before_validation :normalize_mac
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after_validation :set_validated
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before_destroy :not_required_interface
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validates :mac, :uniqueness => {:scope => :virtual},
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:if => Proc.new { |nic| nic.managed? && nic.host && nic.host.managed? && !nic.host.compute? && !nic.virtual? }, :allow_blank => true
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validates :mac, :presence => true,
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:if => Proc.new { |nic| nic.managed? && nic.host_managed? && !nic.host.compute? && !nic.virtual? }
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validates :mac, :mac_address => true, :allow_blank => true
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# TODO uniq on primary per host
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# validate :uniq_with_hosts
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validates :host, :presence => true, :if => Proc.new { |nic| nic.require_host? }
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validate :exclusive_primary_interface
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validate :exclusive_provision_interface
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validates :domain, :presence => true, :if => Proc.new { |nic| nic.host_managed? && nic.primary? }
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validate :valid_domain, :if => Proc.new { |nic| nic.host_managed? && nic.primary? }
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validates :ip, :presence => true, :if => Proc.new { |nic| nic.host_managed? && nic.require_ip_validation? }
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validate :validate_host_location, :if => Proc.new { |nic| SETTINGS[:locations_enabled] && nic.subnet.present? }
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validate :validate_host_organization, :if => Proc.new { |nic| SETTINGS[:organizations_enabled] && nic.subnet.present? }
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scope :bootable, -> { where(:type => "Nic::Bootable") }
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scope :bmc, -> { where(:type => "Nic::BMC") }
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scope :bonds, -> { where(:type => "Nic::Bond") }
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scope :interfaces, -> { where(:type => "Nic::Interface") }
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scope :managed, -> { where(:type => "Nic::Managed") }
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scope :virtual, -> { where(:virtual => true) }
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scope :physical, -> { where(:virtual => false) }
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scope :is_managed, -> { where(:managed => true) }
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scope :primary, -> { { :conditions => { :primary => true } } }
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scope :provision, -> { { :conditions => { :provision => true } } }
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belongs_to :subnet
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belongs_to :domain, :counter_cache => 'hosts_count'
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belongs_to_host :inverse_of => :interfaces, :class_name => "Host::Base"
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# do counter cache only for primary interfaces
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def belongs_to_counter_cache_after_create_for_domain
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super if self.primary
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end
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def belongs_to_counter_cache_before_destroy_for_domain
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super if self.primary
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end
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# keep extra attributes needed for sub classes.
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serialize :attrs, Hash
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# provider specific attributes
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serialize :compute_attributes, Hash
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class Jail < ::Safemode::Jail
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allow :managed?, :subnet, :virtual?, :physical?, :mac, :ip, :identifier, :attached_to,
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:link, :tag, :domain, :vlanid, :bond_options, :attached_devices, :mode,
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:attached_devices_identifiers, :primary, :provision, :alias?, :inheriting_mac
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end
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def physical?
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!virtual?
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end
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def type_name
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type.split("::").last
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end
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def self.humanized_name
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# provide class name as a default value
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name.split("::").last
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end
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def self.type_by_name(name)
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allowed_types.find { |nic_class| nic_class.humanized_name.downcase == name.to_s.downcase }
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end
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# NIC types have to be registered to to expose them to users
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def self.register_type(type)
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allowed_types << type
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end
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def self.allowed_types
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@allowed_types ||= []
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end
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# after every name change, we synchronize it to host object
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def name=(*args)
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result = super
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sync_name
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result
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end
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def shortname
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domain.nil? ? name : name.to_s.chomp("." + domain.name)
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end
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def validated?
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!!@validated
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end
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# we should guarantee the fqdn is always fully qualified
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def fqdn
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return name if name.blank? || domain.blank?
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name.include?('.') ? name : "#{name}.#{domain}"
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end
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def clone
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# do not copy system specific attributes
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self.deep_clone(:except => [:name, :mac, :ip])
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end
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# if this interface does not have MAC and is attached to other interface,
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# we can fetch mac from this other interface
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def inheriting_mac
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if self.mac.nil? || self.mac.empty?
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self.host.interfaces.detect { |i| i.identifier == self.attached_to }.try(:mac)
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else
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self.mac
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end
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end
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# we don't consider host as managed if we are in non-unattended mode
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# in which case host managed? flag can be true but we should consider
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# everything as unmanaged
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def host_managed?
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self.host && self.host.managed? && SETTINGS[:unattended]
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end
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protected
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def uniq_fields_with_hosts
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self.virtual? ? [] : [:mac]
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end
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# make sure we don't have a conflicting interface with an host record
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def uniq_with_hosts
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failed = false
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uniq_fields_with_hosts.each do |attr|
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value = self.send(attr)
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unless value.blank?
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if host && host.send(attr) == value
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errors.add(attr, _("can't use the same value as the primary interface"))
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failed = true
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elsif Host.where(attr => value).limit(1).pluck(attr).any?
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errors.add(attr, _("already in use"))
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failed = true
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end
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end
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end
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!failed
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end
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def normalize_mac
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self.mac = Net::Validations.normalize_mac(mac)
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rescue ArgumentError => e
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self.errors.add(:mac, e.message)
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end
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def valid_domain
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unless Domain.find_by_id(domain_id)
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self.errors.add(:domain_id, _("can't find domain with this id"))
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end
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end
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def set_validated
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@validated = true
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end
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# do we require a host object associate to the interface? defaults to true
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def require_host?
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true
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end
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def not_required_interface
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if host && host.managed? && !host.being_destroyed?
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if self.primary?
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self.errors.add :primary, _("can't delete primary interface of managed host")
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end
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if self.provision?
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self.errors.add :provision, _("can't delete provision interface of managed host")
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end
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end
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!(self.errors[:primary].present? || self.errors[:provision].present?)
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end
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def exclusive_primary_interface
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if host && self.primary?
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primaries = host.interfaces.select { |i| i.primary? && i != self }
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errors.add :primary, _("host already has primary interface") unless primaries.empty?
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end
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end
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def exclusive_provision_interface
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if host && self.provision?
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provisions = host.interfaces.select { |i| i.provision? && i != self }
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errors.add :provision, _("host already has provision interface") unless provisions.empty?
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end
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end
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def require_ip_validation?
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# if it's not managed there's nowhere to specify an IP anyway
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return false if !self.host.managed? || !self.managed? || !self.provision?
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# if the CR will provide an IP, then don't validate yet
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return false if host.compute_provides?(:ip)
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ip_for_dns = (subnet.present? && subnet.dns_id.present?) || (domain.present? && domain.dns_id.present?)
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ip_for_dhcp = subnet.present? && subnet.dhcp_id.present?
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ip_for_token = Setting[:token_duration] == 0 && (host.pxe_build? || (host.image_build? && host.image.try(:user_data?)))
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# Any of these conditions will require an IP, so chain with OR
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ip_for_dns or ip_for_dhcp or ip_for_token
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end
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def sync_name
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synchronizer = NameSynchronizer.new(self)
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synchronizer.sync_name if synchronizer.sync_required?
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end
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def validate_host_location
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return true if self.host.location.nil? && self.subnet.locations.empty?
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errors.add(:subnet, _("is not defined for host's location.")) unless include_or_empty?(self.subnet.locations, self.host.location)
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end
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def validate_host_organization
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return true if self.host.organization.nil? && self.subnet.organizations.empty?
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errors.add(:subnet, _("is not defined for host's organization.")) unless include_or_empty?(self.subnet.organizations, self.host.organization)
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end
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private
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def include_or_empty?(list, item)
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(list.empty? && item.nil?) || list.include?(item)
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end
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end
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end
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require_dependency 'nic/interface'
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