gitlab-org--gitlab-foss/db/migrate/20170717074009_move_system_upload_folder.rb
Jan Provaznik 0fc9f9d3e7 Add version 4.2 to all existing migrations
DB schema generated by a migration may look different in
rails 4 and 5 (because rails 5 may use different default values).
For this reason it's important to explicitly set for which rails
version a migration was written for.

See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
2018-11-22 13:18:28 +01:00

70 lines
1.7 KiB
Ruby

class MoveSystemUploadFolder < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
DOWNTIME = false
def up
unless file_storage?
say 'Using object storage, no need to move.'
return
end
unless File.directory?(old_directory)
say "#{old_directory} doesn't exist, no need to move it."
return
end
if File.directory?(new_directory)
say "#{new_directory} already exists. No need to redo the move."
return
end
FileUtils.mkdir_p(File.join(base_directory, '-'))
say "Moving #{old_directory} -> #{new_directory}"
FileUtils.mv(old_directory, new_directory)
FileUtils.ln_s(new_directory, old_directory)
end
def down
unless file_storage?
say 'Using object storage, no need to move.'
return
end
unless File.directory?(new_directory)
say "#{new_directory} doesn't exist, no need to move it."
return
end
if !File.symlink?(old_directory) && File.directory?(old_directory)
say "#{old_directory} already exists and is not a symlink, no need to revert."
return
end
if File.symlink?(old_directory)
say "Removing #{old_directory} -> #{new_directory} symlink"
FileUtils.rm(old_directory)
end
say "Moving #{new_directory} -> #{old_directory}"
FileUtils.mv(new_directory, old_directory)
end
def new_directory
File.join(base_directory, '-', 'system')
end
def old_directory
File.join(base_directory, 'system')
end
def base_directory
File.join(Rails.root, 'public', 'uploads')
end
def file_storage?
CarrierWave::Uploader::Base.storage == CarrierWave::Storage::File
end
end