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|
# frozen_string_literal: true
# The PoolRepository model is the database equivalent of an ObjectPool for Gitaly
# That is; PoolRepository is the record in the database, ObjectPool is the
# repository on disk
class PoolRepository < ApplicationRecord
include Shardable
include AfterCommitQueue
belongs_to :source_project, class_name: 'Project'
validates :source_project, presence: true
has_many :member_projects, class_name: 'Project'
after_create :correct_disk_path
state_machine :state, initial: :none do
state :scheduled
state :ready
state :failed
state :obsolete
event :schedule do
transition none: :scheduled
end
event :mark_ready do
transition [:scheduled, :failed] => :ready
end
event :mark_failed do
transition all => :failed
end
event :mark_obsolete do
transition all => :obsolete
end
state all - [:ready] do
def joinable?
false
end
end
state :ready do
def joinable?
true
end
end
after_transition none: :scheduled do |pool, _|
pool.run_after_commit do
::ObjectPool::CreateWorker.perform_async(pool.id)
end
end
after_transition scheduled: :ready do |pool, _|
pool.run_after_commit do
::ObjectPool::ScheduleJoinWorker.perform_async(pool.id)
end
end
after_transition any => :obsolete do |pool, _|
pool.run_after_commit do
::ObjectPool::DestroyWorker.perform_async(pool.id)
end
end
end
def create_object_pool
object_pool.create
end
# The members of the pool should have fetched the missing objects to their own
# objects directory. If the caller fails to do so, data loss might occur
def delete_object_pool
object_pool.delete
end
def link_repository(repository)
object_pool.link(repository.raw)
end
def mark_obsolete_if_last(repository)
if member_projects.where.not(id: repository.project.id).exists?
true
else
mark_obsolete
end
end
def object_pool
@object_pool ||= Gitlab::Git::ObjectPool.new(
shard.name,
disk_path + '.git',
source_project.repository.raw,
source_project.full_path
)
end
def inspect
source = source_project ? source_project.full_path : 'nil'
"#<#{self.class.name} id:#{id} state:#{state} disk_path:#{disk_path} source_project: #{source}>"
end
private
def correct_disk_path
update!(disk_path: storage.disk_path)
end
def storage
Storage::Hashed
.new(self, prefix: Storage::Hashed::POOL_PATH_PREFIX)
end
end
PoolRepository.prepend_if_ee('EE::PoolRepository')
|
