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class BackupJob < ActiveRecord::Base
attr_accessible :started_at, :finished_at, :state, :directory
mount_uploader :backup_file, BackupFileUploader
before_create :set_state_to_queued
after_create :initiate_backup
def to_s
self.started_at.to_s
end
private
def set_state_to_queued
self.state ||= 'queued'
self.started_at = Time.now
end
def initiate_backup
if self.state == 'force now'
self.state = 'queued'
self.make_a_backup
else
self.delay.make_a_backup
end
end
def make_a_backup
backup_directory = '/var/backups/GS5'
backup_name_prefix = 'GS5-backup-'
if self.finished_at.nil? && self.state == 'queued'
self.state = 'running'
self.save
original_directories = Dir.glob("#{backup_directory}/*")
system "backup perform --trigger GS5 --config_file #{Rails.root.join('config','backup.rb')}"
tmp_backup_directory = (Dir.glob("#{backup_directory}/*") - original_directories).first
if tmp_backup_directory.blank?
self.state = 'failed'
else
system "cd #{backup_directory} && nice -n 19 ionice -c2 -n7 sudo /bin/tar czf #{backup_name_prefix}#{File.basename(tmp_backup_directory)}.tar.gz #{File.basename(tmp_backup_directory)}"
require 'fileutils'
FileUtils.rm_rf tmp_backup_directory
file = File::Stat.new("#{backup_directory}/#{backup_name_prefix}#{File.basename(tmp_backup_directory)}.tar.gz")
self.directory = File.basename(tmp_backup_directory)
self.backup_file = File.open("#{backup_directory}/#{backup_name_prefix}#{File.basename(tmp_backup_directory)}.tar.gz")
self.finished_at = Time.now
self.state = 'successful'
end
self.save
end
end
end
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