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|
# frozen_string_literal: true
module RepositoryStorageMovable
extend ActiveSupport::Concern
include AfterCommitQueue
included do
scope :order_created_at_desc, -> { order(created_at: :desc) }
validates :container, presence: true
validates :state, presence: true
validates :source_storage_name,
on: :create,
presence: true,
inclusion: { in: ->(_) { Gitlab.config.repositories.storages.keys } }
validates :destination_storage_name,
on: :create,
presence: true,
inclusion: { in: ->(_) { Gitlab.config.repositories.storages.keys } }
validate :container_repository_writable, on: :create
attribute :destination_storage_name, default: -> { Repository.pick_storage_shard }
state_machine initial: :initial do
event :schedule do
transition initial: :scheduled
end
event :start do
transition scheduled: :started
end
event :finish_replication do
transition started: :replicated
end
event :finish_cleanup do
transition replicated: :finished
end
event :do_fail do
transition [:initial, :scheduled, :started] => :failed
transition replicated: :cleanup_failed
end
around_transition initial: :scheduled do |storage_move, block|
block.call
begin
storage_move.container.set_repository_read_only!(skip_git_transfer_check: true)
rescue StandardError => e
storage_move.add_error(e.message)
next false
end
storage_move.run_after_commit do
storage_move.schedule_repository_storage_update_worker
end
true
end
before_transition started: :replicated do |storage_move|
storage_move.container.set_repository_writable!
storage_move.update_repository_storage(storage_move.destination_storage_name)
end
after_transition started: :replicated do |storage_move|
# We have several scripts in place that replicate some statistics information
# to other databases. Some of them depend on the updated_at column
# to identify the models they need to extract.
#
# If we don't update the `updated_at` of the container after a repository storage move,
# the scripts won't know that they need to sync them.
#
# See https://gitlab.com/gitlab-data/analytics/-/issues/7868
storage_move.container.touch
end
before_transition started: :failed do |storage_move|
storage_move.container.set_repository_writable!
end
state :initial, value: 1
state :scheduled, value: 2
state :started, value: 3
state :finished, value: 4
state :failed, value: 5
state :replicated, value: 6
state :cleanup_failed, value: 7
end
end
# Projects, snippets, and group wikis has different db structure. In projects,
# we need to update some columns in this step, but we don't with the other resources.
#
# Therefore, we create this No-op method for snippets and wikis and let project
# overwrite it in their implementation.
def update_repository_storage(new_storage)
# No-op
end
def schedule_repository_storage_update_worker
raise NotImplementedError
end
def add_error(message)
errors.add(error_key, message)
end
private
def container_repository_writable
add_error(_('is read-only')) if container&.repository_read_only?
end
def error_key
raise NotImplementedError
end
end
|
