debian-mirror-gitlab/app/models/project_repository_storage_move.rb
2021-01-29 00:20:46 +05:30

103 lines
2.7 KiB
Ruby

# frozen_string_literal: true
# ProjectRepositoryStorageMove are details of repository storage moves for a
# project. For example, moving a project to another gitaly node to help
# balance storage capacity.
class ProjectRepositoryStorageMove < ApplicationRecord
include AfterCommitQueue
belongs_to :project, inverse_of: :repository_storage_moves
validates :project, 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 :project_repository_writable, on: :create
default_value_for(:destination_storage_name, allows_nil: false) do
pick_repository_storage
end
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.project.set_repository_read_only!
rescue => err
errors.add(:project, err.message)
next false
end
storage_move.run_after_commit do
ProjectUpdateRepositoryStorageWorker.perform_async(
storage_move.project_id,
storage_move.destination_storage_name,
storage_move.id
)
end
true
end
before_transition started: :replicated do |storage_move|
storage_move.project.set_repository_writable!
storage_move.project.update_column(:repository_storage, storage_move.destination_storage_name)
end
before_transition started: :failed do |storage_move|
storage_move.project.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
scope :order_created_at_desc, -> { order(created_at: :desc) }
scope :with_projects, -> { includes(project: :route) }
class << self
def pick_repository_storage
Project.pick_repository_storage
end
end
private
def project_repository_writable
errors.add(:project, _('is read only')) if project&.repository_read_only?
end
end