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Contents
module Backup
module Storage
class Base
include Config::Helpers
##
# Base path on the remote where backup package files will be stored.
attr_accessor :path
##
# Number of backups to keep or time until which to keep.
#
# If an Integer is given it sets the limit to how many backups to keep in
# the remote location. If exceeded, the oldest will be removed to make
# room for the newest.
#
# If a Time object is given it will remove backups _older_ than the given
# date.
#
# @!attribute [rw] keep
# @param [Integer|Time]
# @return [Integer|Time]
attr_accessor :keep
attr_reader :model, :package, :storage_id
##
# +storage_id+ is a user-defined string used to uniquely identify
# multiple storages of the same type. If multiple storages of the same
# type are added to a single backup model, this identifier must be set.
# This will be appended to the YAML storage file used for cycling backups.
def initialize(model, storage_id = nil, &block)
@model = model
@package = model.package
@storage_id = storage_id.to_s.gsub(/\W/, "_") if storage_id
load_defaults!
instance_eval(&block) if block_given?
end
def perform!
Logger.info "#{storage_name} Started..."
transfer!
if respond_to?(:cycle!, true) && (keep.to_i > 0 || keep.is_a?(Time))
cycle!
end
Logger.info "#{storage_name} Finished!"
end
private
##
# Return the remote path for the current or given package.
def remote_path(pkg = package)
path.empty? ? File.join(pkg.trigger, pkg.time) :
File.join(path, pkg.trigger, pkg.time)
end
alias :remote_path_for :remote_path
def storage_name
@storage_name ||= self.class.to_s.sub("Backup::", "") +
(storage_id ? " (#{storage_id})" : "")
end
end
end
end
Version data entries
13 entries across 13 versions & 4 rubygems