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# frozen_string_literal: true
module Backup
class Metadata
# Fullpath for the manifest file
# @return [Pathname] full path for the manifest file
attr_reader :manifest_filepath
# Information present in the manifest file shipped along with the backup
# @return [BackupInformation]
attr_reader :backup_information
YAML_PERMITTED_CLASSES = [
ActiveSupport::TimeWithZone, ActiveSupport::TimeZone, Symbol, Time
].freeze
# Backup Manifest content, describing what the backup contains and the environment in which it was created
# Includes versions information, timestamp, installation type and other data required to restore or to
# keep incremental backups working
BackupInformation = Struct.new(
:db_version, # ActiveRecord::Migrator.current_version.to_s,
:backup_created_at, # Time.current,
:gitlab_version, # Gitlab::VERSION,
:tar_version, # tar_version,
:installation_type, # Gitlab::INSTALLATION_TYPE,
:skipped, # ENV['SKIP']
:repositories_storages, # ENV['REPOSITORIES_STORAGES'],
:repositories_paths, # ENV['REPOSITORIES_PATHS'],
:skip_repositories_paths, # ENV['SKIP_REPOSITORIES_PATHS'],
:repositories_server_side, # Gitlab::Utils.to_boolean(ENV['REPOSITORIES_SERVER_SIDE'], default: false)
:full_backup_id, # full_backup_id,
keyword_init: true
)
def initialize(manifest_filepath)
@manifest_filepath = Pathname.new(manifest_filepath)
end
# Load #BackupInformation from a YAML manifest file on disk
def load!
return @backup_information unless @backup_information.nil?
manifest_data = load_from_file
@backup_information = BackupInformation.new(**manifest_data)
end
# Save content from #BackupInformation into a manifest YAML file on disk
def save!
Dir.chdir(File.dirname(manifest_filepath)) do
File.open(manifest_filepath, 'w+') do |file|
file << backup_information.to_h.to_yaml.gsub(/^---\n/, '')
end
end
end
# Update backup information with provided data
#
# @param [Hash] data arguments matching #BackupInformation keyword arguments
def update(**data)
@backup_information ||= BackupInformation.new
data.each_pair do |key, value|
backup_information[key] = value
end
end
private
def load_from_file
YAML.safe_load_file(
manifest_filepath,
permitted_classes: YAML_PERMITTED_CLASSES)
end
end
end
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