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require 'open3'
module Backup
class Files
attr_reader :name, :app_files_dir, :backup_tarball, :files_parent_dir
def initialize(name, app_files_dir)
@name = name
@app_files_dir = File.realpath(app_files_dir)
@files_parent_dir = File.realpath(File.join(@app_files_dir, '..'))
@backup_tarball = File.join(Gitlab.config.backup.path, name + '.tar.gz')
end
# Copy files from public/files to backup/files
def dump
FileUtils.mkdir_p(Gitlab.config.backup.path)
FileUtils.rm_f(backup_tarball)
run_pipeline!([%W(tar -C #{app_files_dir} -cf - .), %W(gzip -c -1)], out: [backup_tarball, 'w', 0600])
end
def restore
backup_existing_files_dir
create_files_dir
run_pipeline!([%W(gzip -cd), %W(tar -C #{app_files_dir} -xf -)], in: backup_tarball)
end
def backup_existing_files_dir
timestamped_files_path = File.join(files_parent_dir, "#{name}.#{Time.now.to_i}")
if File.exist?(app_files_dir)
FileUtils.mv(app_files_dir, File.expand_path(timestamped_files_path))
end
end
def run_pipeline!(cmd_list, options={})
status_list = Open3.pipeline(*cmd_list, options)
abort 'Backup failed' unless status_list.compact.all?(&:success?)
end
end
end
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