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# frozen_string_literal: true
require_relative '../../config/boot'
require_relative '../../config/environment'
require_relative 'cli_helper'
module Mastodon
class UpgradeCLI < Thor
include CLIHelper
def self.exit_on_failure?
true
end
CURRENT_STORAGE_SCHEMA_VERSION = 1
option :dry_run, type: :boolean, default: false
option :verbose, type: :boolean, default: false, aliases: [:v]
desc 'storage-schema', 'Upgrade storage schema of various file attachments to the latest version'
long_desc <<~LONG_DESC
Iterates over every file attachment of every record and, if its storage schema is outdated, performs the
necessary upgrade to the latest one. In practice this means e.g. moving files to different directories.
Will most likely take a long time.
LONG_DESC
def storage_schema
progress = create_progress_bar(nil)
dry_run = dry_run? ? ' (DRY RUN)' : ''
records = 0
klasses = [
Account,
CustomEmoji,
MediaAttachment,
PreviewCard,
]
klasses.each do |klass|
attachment_names = klass.attachment_definitions.keys
klass.find_each do |record|
attachment_names.each do |attachment_name|
attachment = record.public_send(attachment_name)
upgraded = false
next if attachment.blank? || attachment.storage_schema_version >= CURRENT_STORAGE_SCHEMA_VERSION
styles = attachment.styles.keys
styles << :original unless styles.include?(:original)
styles.each do |style|
success = begin
case Paperclip::Attachment.default_options[:storage]
when :s3
upgrade_storage_s3(progress, attachment, style)
when :fog
upgrade_storage_fog(progress, attachment, style)
when :filesystem
upgrade_storage_filesystem(progress, attachment, style)
end
end
upgraded = true if style == :original && success
progress.increment
end
attachment.instance_write(:storage_schema_version, CURRENT_STORAGE_SCHEMA_VERSION) if upgraded
end
if record.changed?
record.save unless dry_run?
records += 1
end
end
end
progress.total = progress.progress
progress.finish
say("Upgraded storage schema of #{records} records#{dry_run}", :green, true)
end
private
def upgrade_storage_s3(progress, attachment, style)
previous_storage_schema_version = attachment.storage_schema_version
object = attachment.s3_object(style)
success = true
attachment.instance_write(:storage_schema_version, CURRENT_STORAGE_SCHEMA_VERSION)
new_object = attachment.s3_object(style)
if new_object.key != object.key && object.exists?
progress.log("Moving #{object.key} to #{new_object.key}") if options[:verbose]
begin
object.move_to(new_object, acl: attachment.s3_permissions(style)) unless dry_run?
rescue => e
progress.log(pastel.red("Error processing #{object.key}: #{e}"))
success = false
end
end
# Because we move files style-by-style, it's important to restore
# previous version at the end. The upgrade will be recorded after
# all styles are updated
attachment.instance_write(:storage_schema_version, previous_storage_schema_version)
success
end
def upgrade_storage_fog(_progress, _attachment, _style)
say('The fog storage driver is not supported for this operation at this time', :red)
exit(1)
end
def upgrade_storage_filesystem(progress, attachment, style)
previous_storage_schema_version = attachment.storage_schema_version
previous_path = attachment.path(style)
success = true
attachment.instance_write(:storage_schema_version, CURRENT_STORAGE_SCHEMA_VERSION)
upgraded_path = attachment.path(style)
if upgraded_path != previous_path && File.exist?(previous_path)
progress.log("Moving #{previous_path} to #{upgraded_path}") if options[:verbose]
begin
unless dry_run?
FileUtils.mkdir_p(File.dirname(upgraded_path))
FileUtils.mv(previous_path, upgraded_path)
begin
FileUtils.rmdir(File.dirname(previous_path), parents: true)
rescue Errno::ENOTEMPTY
# OK
end
end
rescue => e
progress.log(pastel.red("Error processing #{previous_path}: #{e}"))
success = false
unless dry_run?
begin
FileUtils.rmdir(File.dirname(upgraded_path), parents: true)
rescue Errno::ENOTEMPTY
# OK
end
end
end
end
# Because we move files style-by-style, it's important to restore
# previous version at the end. The upgrade will be recorded after
# all styles are updated
attachment.instance_write(:storage_schema_version, previous_storage_schema_version)
success
end
end
end
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