host.rb
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	class Host < ActiveRecord::Base
	FILE_RETENTION_DAYS = 60
	JOB_RETENTION_DAYS = 180
	CATALOG = 'MyCatalog'
	AUTOPRUNE = 1

	establish_connection :local_development

	enum status: { draft: 0, pending: 1, config: 2, ready: 3 }

	belongs_to :client, class_name: :Client, foreign_key: :name, primary_key: :name
	has_many :filesets, dependent: :destroy

	validates :file_retention, :job_retention,
	:port, :password, presence: true
	validates :port, numericality: true

	validates :name, presence: true, uniqueness: true

	validate :fqdn_format

	scope :not_baculized, -> { where(baculized: false) }

	before_validation :set_retention, :unset_baculized, :sanitize_name

	def to_bacula_config_array
	[
	"Client {",
	" Name = #{name}",
	" Address = #{fqdn}",
	" FDPort = #{port}",
	" Catalog = #{CATALOG}",
	" Password = \"#{password}\"",
	" File Retention = #{file_retention} days",
	" Job Retention = #{job_retention} days",
	" AutoPrune = yes",
	"}"
	]
	end

	private

	def sanitize_name
	self.name = fqdn
	end

	def set_retention
	self.file_retention = FILE_RETENTION_DAYS
	self.job_retention = JOB_RETENTION_DAYS
	end

	def unset_baculized
	self.baculized = false if new_record?
	true
	end

	def fqdn_format
	regex = /(?=^.{4,253}$)(^((?!-)[a-zA-Z0-9-]{1,63}(?<!-)\.)+[a-zA-Z]{2,63}$)/
	unless fqdn =~ regex
	self.errors.add(:fqdn)
	end
	end
	end