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pool.rb
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Sun, May 18, 12:24 AM

pool.rb
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# Bacula Pool
#
# The Pool table contains one entry for each media pool controlled by Bacula in
# this database. One media record exists for each of the NumVols contained in the Pool.
# The PoolType is a Bacula defined keyword.
# The MediaType is defined by the administrator, and corresponds to the MediaType
# specified in the Director's Storage definition record.
# The CurrentVol is the sequence number of the Media record for the current volume.
class Pool < ActiveRecord::Base
self.table_name = :Pool
self.primary_key = :PoolId
alias_attribute :pool_id, :PoolId
alias_attribute :name, :Name
alias_attribute :num_vols, :NumVols
alias_attribute :max_vols, :MaxVols
alias_attribute :use_once, :UseOnce
alias_attribute :use_catalog, :UseCatalog
alias_attribute :accept_any_volume, :AcceptAnyVolume
alias_attribute :vol_retention, :VolRetention
alias_attribute :vol_use_duration, :VolUseDuration
alias_attribute :max_vol_jobs, :MaxVolJobs
alias_attribute :max_vol_files, :MaxVolFiles
alias_attribute :max_vol_bytes, :MaxVolBytes
alias_attribute :auto_prune, :AutoPrune
alias_attribute :recycle, :Recycle
alias_attribute :action_on_purge, :ActionOnPurge
alias_attribute :pool_type, :PoolType
alias_attribute :label_type, :LabelType
alias_attribute :label_format, :LabelFormat
alias_attribute :enabled, :Enabled
alias_attribute :scratch_pool_id, :ScratchPoolId
alias_attribute :recycle_pool_id, :RecyclePoolId
alias_attribute :next_pool_id, :NextPoolId
alias_attribute :migration_high_bytes, :MigrationHighBytes
alias_attribute :migration_low_bytes, :MigrationLowBytes
alias_attribute :migration_time, :MigrationTime
has_many :jobs, foreign_key: :PoolId
has_many :media, foreign_key: :PoolId
validates_confirmation_of :name
BOOLEAN_OPTIONS = [['no', 0], ['yes', 1]]
POOL_OPTIONS = [:name, :vol_retention, :use_once, :auto_prune, :recycle,
:max_vols, :max_vol_jobs, :max_vol_files, :max_vol_bytes, :label_format]
# @return [Array] of all the available pools by name
def self.available_options
pluck(:Name)
end
# Persists the unpersisted record to bacula via its bacula handler
#
# @return [Boolean] according to the persist status
def submit_to_bacula
return false if !valid? || !ready_for_bacula?
sanitize_names
bacula_handler.deploy_config
end
# Constructs an array where each element is a line for the Job's bacula config
#
# @return [Array]
def to_bacula_config_array
['Pool {'] +
options_array.map { |x| " #{x}" } +
['}']
end
# Human readable volume retention
#
# @return [String] the volume's retention in days
def vol_retention_human
"#{vol_retention_days} days"
end
# volume retention in days
def vol_retention_days
vol_retention / 1.day.to_i
end
private
# proxy object for bacula pool handling
def bacula_handler
BaculaPoolHandler.new(self)
end
# pool names and label formats should only contain alphanumeric values
def sanitize_names
self.name = name.gsub(/[^a-zA-Z0-9]/, '_')
self.label_format = label_format.gsub(/[^a-zA-Z0-9]/, '_')
end
def options_array
boolean_options = Hash[BOOLEAN_OPTIONS].invert
[
"Name = \"#{name}\"",
"Volume Retention = #{vol_retention_human}",
"Use Volume Once = #{boolean_options[use_once.to_i]}",
"AutoPrune = #{boolean_options[auto_prune.to_i]}",
"Recycle = #{boolean_options[recycle.to_i]}",
"Maximum Volumes = #{max_vols}",
"Maximum Volume Jobs = #{max_vol_jobs}",
"Maximum Volume Files = #{max_vol_files}",
"Maximum Volume Bytes = #{max_vol_bytes}G",
"Label Format = \"#{label_format}\"",
"Pool Type = Backup"
]
end
def ready_for_bacula?
POOL_OPTIONS.all? { |attr| self.send(attr).present? }
end
end

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