2018-07-04 17:32:46 +00:00
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# frozen_string_literal: true
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2018-02-21 16:43:21 +00:00
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require 'fog/aws'
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require 'carrierwave/storage/fog'
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#
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# This concern should add object storage support
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# to the GitlabUploader class
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#
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module ObjectStorage
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RemoteStoreError = Class.new(StandardError)
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UnknownStoreError = Class.new(StandardError)
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ObjectStorageUnavailable = Class.new(StandardError)
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2018-06-08 14:51:59 +00:00
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class ExclusiveLeaseTaken < StandardError
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def initialize(lease_key)
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@lease_key = lease_key
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end
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def message
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2018-06-12 15:22:35 +00:00
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*lease_key_group, _ = *@lease_key.split(":")
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"Exclusive lease for #{lease_key_group.join(':')} is already taken."
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2018-06-08 14:51:59 +00:00
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end
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end
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2018-02-21 16:43:21 +00:00
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2019-09-04 18:10:43 +00:00
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TMP_UPLOAD_PATH = 'tmp/uploads'
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2018-03-23 10:07:22 +00:00
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2018-02-21 16:43:21 +00:00
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module Store
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LOCAL = 1
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REMOTE = 2
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end
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2020-09-17 21:09:39 +00:00
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SUPPORTED_STORES = [Store::LOCAL, Store::REMOTE].freeze
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2018-02-21 16:43:21 +00:00
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module Extension
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# this extension is the glue between the ObjectStorage::Concern and RecordsUploads::Concern
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module RecordsUploads
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extend ActiveSupport::Concern
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2018-06-11 17:27:06 +00:00
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prepended do |base|
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2018-02-21 16:43:21 +00:00
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raise "#{base} must include ObjectStorage::Concern to use extensions." unless base < Concern
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2018-06-11 17:27:06 +00:00
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base.include(::RecordsUploads::Concern)
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2018-02-21 16:43:21 +00:00
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end
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def retrieve_from_store!(identifier)
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2018-06-06 20:45:42 +00:00
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paths = upload_paths(identifier)
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2018-02-21 16:43:21 +00:00
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unless current_upload_satisfies?(paths, model)
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# the upload we already have isn't right, find the correct one
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2018-04-19 16:22:23 +00:00
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self.upload = model&.retrieve_upload(identifier, paths)
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2018-02-21 16:43:21 +00:00
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end
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super
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end
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def build_upload
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super.tap do |upload|
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upload.store = object_store
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end
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end
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def upload=(upload)
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2018-04-19 16:22:23 +00:00
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return if upload.nil?
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2018-02-21 16:43:21 +00:00
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self.object_store = upload.store
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super
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end
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def schedule_background_upload(*args)
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return unless schedule_background_upload?
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2018-03-16 18:34:55 +00:00
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return unless upload
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2018-02-21 16:43:21 +00:00
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ObjectStorage::BackgroundMoveWorker.perform_async(self.class.name,
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upload.class.to_s,
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mounted_as,
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upload.id)
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end
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2018-06-12 07:33:26 +00:00
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def exclusive_lease_key
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# For FileUploaders, model may have many uploaders. In that case
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# we want to use exclusive key per upload, not per model to allow
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# parallel migration
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2018-06-13 08:44:14 +00:00
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key_object = upload || model
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2018-06-12 07:33:26 +00:00
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"object_storage_migrate:#{key_object.class}:#{key_object.id}"
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end
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2018-02-21 16:43:21 +00:00
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private
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def current_upload_satisfies?(paths, model)
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return false unless upload
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return false unless model
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paths.include?(upload.path) &&
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upload.model_id == model.id &&
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upload.model_type == model.class.base_class.sti_name
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end
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end
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end
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# Add support for automatic background uploading after the file is stored.
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#
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module BackgroundMove
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extend ActiveSupport::Concern
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def background_upload(mount_points = [])
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return unless mount_points.any?
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run_after_commit do
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mount_points.each { |mount| send(mount).schedule_background_upload } # rubocop:disable GitlabSecurity/PublicSend
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end
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end
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def changed_mounts
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self.class.uploaders.select do |mount, uploader_class|
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mounted_as = uploader_class.serialization_column(self.class, mount)
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2018-02-28 15:44:34 +00:00
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uploader = send(:"#{mounted_as}") # rubocop:disable GitlabSecurity/PublicSend
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next unless uploader
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next unless uploader.exists?
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2019-04-23 09:30:18 +00:00
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next unless send(:"saved_change_to_#{mounted_as}?") # rubocop:disable GitlabSecurity/PublicSend
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2018-02-28 15:44:34 +00:00
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mount
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2018-02-21 16:43:21 +00:00
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end.keys
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end
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included do
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2018-05-04 17:23:50 +00:00
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include AfterCommitQueue
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2020-01-29 18:08:47 +00:00
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after_save do
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2018-02-21 16:43:21 +00:00
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background_upload(changed_mounts)
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end
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end
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end
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module Concern
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extend ActiveSupport::Concern
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included do |base|
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base.include(ObjectStorage)
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after :migrate, :delete_migrated_file
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end
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class_methods do
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def object_store_options
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options.object_store
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end
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def object_store_enabled?
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object_store_options.enabled
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end
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2018-03-23 10:07:22 +00:00
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def direct_upload_enabled?
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2018-04-03 15:34:14 +00:00
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object_store_options&.direct_upload
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2018-03-23 10:07:22 +00:00
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end
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2018-02-21 16:43:21 +00:00
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def background_upload_enabled?
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object_store_options.background_upload
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end
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2018-03-09 14:16:06 +00:00
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def proxy_download_enabled?
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object_store_options.proxy_download
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end
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def direct_download_enabled?
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!proxy_download_enabled?
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end
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2018-02-21 16:43:21 +00:00
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def object_store_credentials
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object_store_options.connection.to_hash.deep_symbolize_keys
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end
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def remote_store_path
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object_store_options.remote_directory
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end
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def serialization_column(model_class, mount_point)
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model_class.uploader_options.dig(mount_point, :mount_on) || mount_point
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end
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2018-03-23 10:07:22 +00:00
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2018-05-09 15:27:38 +00:00
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def workhorse_authorize(has_length:, maximum_size: nil)
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2020-08-28 09:10:32 +00:00
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{}.tap do |hash|
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if self.object_store_enabled? && self.direct_upload_enabled?
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hash[:RemoteObject] = workhorse_remote_upload_options(has_length: has_length, maximum_size: maximum_size)
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else
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hash[:TempPath] = workhorse_local_upload_path
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end
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2021-03-31 15:10:27 +00:00
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hash[:FeatureFlagExtractBase] = Feature.enabled?(:workhorse_extract_filename_base)
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2020-08-28 09:10:32 +00:00
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hash[:MaximumSize] = maximum_size if maximum_size.present?
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2019-10-18 11:11:44 +00:00
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end
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2018-03-23 10:07:22 +00:00
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end
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def workhorse_local_upload_path
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File.join(self.root, TMP_UPLOAD_PATH)
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end
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2020-08-05 09:10:01 +00:00
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def object_store_config
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ObjectStorage::Config.new(object_store_options)
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end
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2018-05-09 15:27:38 +00:00
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def workhorse_remote_upload_options(has_length:, maximum_size: nil)
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2018-03-23 10:07:22 +00:00
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return unless self.object_store_enabled?
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return unless self.direct_upload_enabled?
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id = [CarrierWave.generate_cache_id, SecureRandom.hex].join('-')
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upload_path = File.join(TMP_UPLOAD_PATH, id)
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2020-08-05 09:10:01 +00:00
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direct_upload = ObjectStorage::DirectUpload.new(self.object_store_config, upload_path,
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has_length: has_length, maximum_size: maximum_size)
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2018-03-23 10:07:22 +00:00
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2018-05-09 15:27:38 +00:00
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direct_upload.to_hash.merge(ID: id)
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2018-03-23 10:07:22 +00:00
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end
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end
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2020-09-16 09:09:43 +00:00
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class OpenFile
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extend Forwardable
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# Explicitly exclude :path, because rubyzip uses that to detect "real" files.
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def_delegators :@file, *(Zip::File::IO_METHODS - [:path])
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# Even though :size is not in IO_METHODS, we do need it.
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def_delegators :@file, :size
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def initialize(file)
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@file = file
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end
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end
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2018-03-23 10:07:22 +00:00
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# allow to configure and overwrite the filename
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def filename
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@filename || super || file&.filename # rubocop:disable Gitlab/ModuleWithInstanceVariables
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end
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def filename=(filename)
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@filename = filename # rubocop:disable Gitlab/ModuleWithInstanceVariables
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2018-02-21 16:43:21 +00:00
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end
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def file_storage?
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storage.is_a?(CarrierWave::Storage::File)
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end
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def file_cache_storage?
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cache_storage.is_a?(CarrierWave::Storage::File)
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end
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def object_store
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2018-04-13 08:20:07 +00:00
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# We use Store::LOCAL as null value indicates the local storage
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@object_store ||= model.try(store_serialization_column) || Store::LOCAL
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2018-02-21 16:43:21 +00:00
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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def object_store=(value)
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2018-04-13 08:20:07 +00:00
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@object_store = value || Store::LOCAL
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2018-02-21 16:43:21 +00:00
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@storage = storage_for(object_store)
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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# Return true if the current file is part or the model (i.e. is mounted in the model)
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#
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def persist_object_store?
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model.respond_to?(:"#{store_serialization_column}=")
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end
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# Save the current @object_store to the model <mounted_as>_store column
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def persist_object_store!
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return unless persist_object_store?
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updated = model.update_column(store_serialization_column, object_store)
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2018-02-28 15:44:34 +00:00
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raise 'Failed to update object store' unless updated
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2018-02-21 16:43:21 +00:00
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end
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2018-03-28 12:40:47 +00:00
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def use_file(&blk)
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with_exclusive_lease do
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unsafe_use_file(&blk)
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2018-02-21 16:43:21 +00:00
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end
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end
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2020-09-16 09:09:43 +00:00
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def use_open_file(&blk)
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Tempfile.open(path) do |file|
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file.unlink
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file.binmode
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if file_storage?
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IO.copy_stream(path, file)
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else
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streamer = lambda { |chunk, _, _| file.write(chunk) }
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Excon.get(url, response_block: streamer)
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end
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file.seek(0, IO::SEEK_SET)
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yield OpenFile.new(file)
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end
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end
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2018-02-21 16:43:21 +00:00
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#
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# Move the file to another store
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#
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# new_store: Enum (Store::LOCAL, Store::REMOTE)
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#
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def migrate!(new_store)
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2018-03-28 12:40:47 +00:00
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with_exclusive_lease do
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unsafe_migrate!(new_store)
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end
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2018-02-21 16:43:21 +00:00
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end
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def schedule_background_upload(*args)
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return unless schedule_background_upload?
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ObjectStorage::BackgroundMoveWorker.perform_async(self.class.name,
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model.class.name,
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mounted_as,
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model.id)
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end
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def fog_directory
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self.class.remote_store_path
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end
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def fog_credentials
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self.class.object_store_credentials
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end
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2020-08-05 09:10:01 +00:00
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def fog_attributes
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@fog_attributes ||= self.class.object_store_config.fog_attributes
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end
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2019-03-29 22:54:44 +00:00
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# Set ACL of uploaded objects to not-public (fog-aws)[1] or no ACL at all
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# (fog-google). Value is ignored by other supported backends (fog-aliyun,
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# fog-openstack, fog-rackspace)
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# [1]: https://github.com/fog/fog-aws/blob/daa50bb3717a462baf4d04d0e0cbfc18baacb541/lib/fog/aws/models/storage/file.rb#L152-L159
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2018-02-21 16:43:21 +00:00
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def fog_public
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2019-03-29 22:54:44 +00:00
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nil
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2018-02-21 16:43:21 +00:00
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end
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def delete_migrated_file(migrated_file)
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2018-06-06 20:45:42 +00:00
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migrated_file.delete
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2018-02-21 16:43:21 +00:00
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end
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def exists?
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file.present?
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end
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def store_dir(store = nil)
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store_dirs[store || object_store]
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end
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def store_dirs
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{
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Store::LOCAL => File.join(base_dir, dynamic_segment),
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|
Store::REMOTE => File.join(dynamic_segment)
|
|
|
|
}
|
|
|
|
end
|
|
|
|
|
2018-06-06 20:45:42 +00:00
|
|
|
# Returns all the possible paths for an upload.
|
|
|
|
# the `upload.path` is a lookup parameter, and it may change
|
|
|
|
# depending on the `store` param.
|
|
|
|
def upload_paths(identifier)
|
|
|
|
store_dirs.map { |store, path| File.join(path, identifier) }
|
|
|
|
end
|
|
|
|
|
2018-04-03 16:47:33 +00:00
|
|
|
def cache!(new_file = sanitized_file)
|
|
|
|
# We intercept ::UploadedFile which might be stored on remote storage
|
|
|
|
# We use that for "accelerated" uploads, where we store result on remote storage
|
2020-03-26 18:08:03 +00:00
|
|
|
if new_file.is_a?(::UploadedFile) && new_file.remote_id.present?
|
2018-04-03 16:47:33 +00:00
|
|
|
return cache_remote_file!(new_file.remote_id, new_file.original_filename)
|
2018-03-23 10:07:22 +00:00
|
|
|
end
|
2018-04-03 16:47:33 +00:00
|
|
|
|
|
|
|
super
|
2018-03-23 10:07:22 +00:00
|
|
|
end
|
|
|
|
|
2018-04-13 08:20:07 +00:00
|
|
|
def store!(new_file = nil)
|
|
|
|
# when direct upload is enabled, always store on remote storage
|
|
|
|
if self.class.object_store_enabled? && self.class.direct_upload_enabled?
|
|
|
|
self.object_store = Store::REMOTE
|
|
|
|
end
|
|
|
|
|
|
|
|
super
|
|
|
|
end
|
|
|
|
|
2018-06-08 20:06:08 +00:00
|
|
|
def exclusive_lease_key
|
2018-06-12 07:33:26 +00:00
|
|
|
"object_storage_migrate:#{model.class}:#{model.id}"
|
2018-06-08 20:06:08 +00:00
|
|
|
end
|
|
|
|
|
2018-02-21 16:43:21 +00:00
|
|
|
private
|
|
|
|
|
|
|
|
def schedule_background_upload?
|
|
|
|
self.class.object_store_enabled? &&
|
|
|
|
self.class.background_upload_enabled? &&
|
|
|
|
self.file_storage?
|
|
|
|
end
|
|
|
|
|
2018-04-03 16:47:33 +00:00
|
|
|
def cache_remote_file!(remote_object_id, original_filename)
|
2018-03-23 10:07:22 +00:00
|
|
|
file_path = File.join(TMP_UPLOAD_PATH, remote_object_id)
|
|
|
|
file_path = Pathname.new(file_path).cleanpath.to_s
|
|
|
|
raise RemoteStoreError, 'Bad file path' unless file_path.start_with?(TMP_UPLOAD_PATH + '/')
|
|
|
|
|
|
|
|
# TODO:
|
|
|
|
# This should be changed to make use of `tmp/cache` mechanism
|
|
|
|
# instead of using custom upload directory,
|
|
|
|
# using tmp/cache makes this implementation way easier than it is today
|
2018-04-03 16:47:33 +00:00
|
|
|
CarrierWave::Storage::Fog::File.new(self, storage_for(Store::REMOTE), file_path).tap do |file|
|
2018-03-23 10:07:22 +00:00
|
|
|
raise RemoteStoreError, 'Missing file' unless file.exists?
|
|
|
|
|
2018-04-03 16:47:33 +00:00
|
|
|
# Remote stored file, we force to store on remote storage
|
|
|
|
self.object_store = Store::REMOTE
|
2018-03-23 10:07:22 +00:00
|
|
|
|
2018-04-03 16:47:33 +00:00
|
|
|
# TODO:
|
|
|
|
# We store file internally and force it to be considered as `cached`
|
|
|
|
# This makes CarrierWave to store file in permament location (copy/delete)
|
|
|
|
# once this object is saved, but not sooner
|
|
|
|
@cache_id = "force-to-use-cache" # rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
|
|
@file = file # rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
|
|
@filename = original_filename # rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
|
|
end
|
2018-03-23 10:07:22 +00:00
|
|
|
end
|
|
|
|
|
2018-02-21 16:43:21 +00:00
|
|
|
# this is a hack around CarrierWave. The #migrate method needs to be
|
|
|
|
# able to force the current file to the migrated file upon success.
|
|
|
|
def file=(file)
|
|
|
|
@file = file # rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
|
|
end
|
|
|
|
|
|
|
|
def serialization_column
|
|
|
|
self.class.serialization_column(model.class, mounted_as)
|
|
|
|
end
|
|
|
|
|
|
|
|
# Returns the column where the 'store' is saved
|
|
|
|
# defaults to 'store'
|
|
|
|
def store_serialization_column
|
|
|
|
[serialization_column, 'store'].compact.join('_').to_sym
|
|
|
|
end
|
|
|
|
|
|
|
|
def storage
|
|
|
|
@storage ||= storage_for(object_store)
|
|
|
|
end
|
|
|
|
|
|
|
|
def storage_for(store)
|
|
|
|
case store
|
|
|
|
when Store::REMOTE
|
2020-03-17 21:09:16 +00:00
|
|
|
raise "Object Storage is not enabled for #{self.class}" unless self.class.object_store_enabled?
|
2018-02-21 16:43:21 +00:00
|
|
|
|
|
|
|
CarrierWave::Storage::Fog.new(self)
|
|
|
|
when Store::LOCAL
|
|
|
|
CarrierWave::Storage::File.new(self)
|
|
|
|
else
|
|
|
|
raise UnknownStoreError
|
|
|
|
end
|
|
|
|
end
|
2018-02-28 15:44:34 +00:00
|
|
|
|
2018-03-28 12:40:47 +00:00
|
|
|
def with_exclusive_lease
|
2018-06-07 14:01:47 +00:00
|
|
|
lease_key = exclusive_lease_key
|
|
|
|
uuid = Gitlab::ExclusiveLease.new(lease_key, timeout: 1.hour.to_i).try_obtain
|
2018-06-08 14:51:59 +00:00
|
|
|
raise ExclusiveLeaseTaken.new(lease_key) unless uuid
|
2018-03-28 12:40:47 +00:00
|
|
|
|
|
|
|
yield uuid
|
|
|
|
ensure
|
2018-06-07 14:01:47 +00:00
|
|
|
Gitlab::ExclusiveLease.cancel(lease_key, uuid)
|
2018-03-28 12:40:47 +00:00
|
|
|
end
|
|
|
|
|
2018-02-28 15:44:34 +00:00
|
|
|
#
|
|
|
|
# Move the file to another store
|
|
|
|
#
|
|
|
|
# new_store: Enum (Store::LOCAL, Store::REMOTE)
|
|
|
|
#
|
|
|
|
def unsafe_migrate!(new_store)
|
|
|
|
return unless object_store != new_store
|
|
|
|
return unless file
|
|
|
|
|
|
|
|
new_file = nil
|
|
|
|
file_to_delete = file
|
|
|
|
from_object_store = object_store
|
|
|
|
self.object_store = new_store # changes the storage and file
|
|
|
|
|
|
|
|
cache_stored_file! if file_storage?
|
|
|
|
|
|
|
|
with_callbacks(:migrate, file_to_delete) do
|
|
|
|
with_callbacks(:store, file_to_delete) do # for #store_versions!
|
|
|
|
new_file = storage.store!(file)
|
|
|
|
persist_object_store!
|
|
|
|
self.file = new_file
|
|
|
|
end
|
|
|
|
end
|
|
|
|
|
|
|
|
file
|
|
|
|
rescue => e
|
|
|
|
# in case of failure delete new file
|
|
|
|
new_file.delete unless new_file.nil?
|
|
|
|
# revert back to the old file
|
|
|
|
self.object_store = from_object_store
|
|
|
|
self.file = file_to_delete
|
|
|
|
raise e
|
|
|
|
end
|
2018-02-21 16:43:21 +00:00
|
|
|
end
|
2018-03-28 12:40:47 +00:00
|
|
|
|
|
|
|
def unsafe_use_file
|
|
|
|
if file_storage?
|
|
|
|
return yield path
|
|
|
|
end
|
|
|
|
|
|
|
|
begin
|
|
|
|
cache_stored_file!
|
|
|
|
yield cache_path
|
|
|
|
ensure
|
|
|
|
FileUtils.rm_f(cache_path)
|
|
|
|
cache_storage.delete_dir!(cache_path(nil))
|
|
|
|
end
|
|
|
|
end
|
2018-02-21 16:43:21 +00:00
|
|
|
end
|
2020-04-12 21:09:39 +00:00
|
|
|
|
|
|
|
ObjectStorage::Concern.include_if_ee('::EE::ObjectStorage::Concern')
|