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class Medium < ActiveRecord::Base
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include Authorizable
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extend FriendlyId
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friendly_id :name
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include Taxonomix
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include ValidateOsFamily
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include Parameterizable::ByIdName
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audited :allow_mass_assignment => true
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validates_lengths_from_database
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before_destroy :ensure_hosts_not_in_build
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has_and_belongs_to_many :operatingsystems
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has_many_hosts :dependent => :nullify
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has_many :hostgroups, :dependent => :nullify
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# We need to include $ in this as $arch, $release, can be in this string
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VALID_NFS_PATH=/\A([-\w\d\.]+):(\/[\w\d\/\$\.]+)\Z/
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validates :name, :uniqueness => true, :presence => true
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validates :path, :uniqueness => true, :presence => true,
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:format => { :with => /^(http|https|ftp|nfs):\/\//,
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:message => N_("Only URLs with schema http://, https://, ftp:// or nfs:// are allowed (e.g. nfs://server/vol/dir)")
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}
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validates :media_path, :config_path, :image_path, :allow_blank => true,
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:format => { :with => VALID_NFS_PATH, :message => N_("does not appear to be a valid nfs mount path")},
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:if => Proc.new { |m| m.respond_to? :media_path }
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validate_inclusion_in_families :os_family
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# with proc support, default_scope can no longer be chained
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# include all default scoping here
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default_scope lambda {
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with_taxonomy_scope do
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order("media.name")
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end
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}
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scoped_search :on => :name, :complete_value => :true, :default_order => true
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scoped_search :on => :path, :complete_value => :true
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scoped_search :on => :os_family, :rename => "family", :complete_value => :true
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def media_host
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media_path.match(VALID_NFS_PATH)[1]
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end
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def jumpstart_host
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config_path.match(VALID_NFS_PATH)[1]
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end
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def media_dir
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media_path.match(VALID_NFS_PATH)[2]
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end
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def jumpstart_dir
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config_path.match(VALID_NFS_PATH)[2]
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end
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# Write the image path, with a trailing "/" if required
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def image_path=(path)
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write_attribute :image_path, "#{path}#{"/" unless path =~ /\/$|^$/}"
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end
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def ensure_hosts_not_in_build
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return true if (hosts_in_build = self.hosts.where(:build => true)).empty?
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hosts_in_build.each do |host|
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self.errors.add :base, _("%{record} is used by host in build mode %{what}") % { :record => self.name, :what => host.name }
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end
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Rails.logger.error "You may not destroy #{self.to_label} as it is used by hosts in build mode!"
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false
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end
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end
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