1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
# frozen_string_literal: true
module GitGarbageCollectMethods
extend ActiveSupport::Concern
included do
include ApplicationWorker
sidekiq_options retry: false
feature_category :gitaly
loggable_arguments 1, 2, 3
end
# Timeout set to 24h
LEASE_TIMEOUT = 86400
def perform(resource_id, task = :gc, lease_key = nil, lease_uuid = nil)
resource = find_resource(resource_id)
lease_key ||= default_lease_key(task, resource)
active_uuid = get_lease_uuid(lease_key)
if active_uuid
return unless active_uuid == lease_uuid
renew_lease(lease_key, active_uuid)
else
lease_uuid = try_obtain_lease(lease_key)
return unless lease_uuid
end
task = task.to_sym
before_gitaly_call(task, resource)
gitaly_call(task, resource)
# Refresh the branch cache in case garbage collection caused a ref lookup to fail
flush_ref_caches(resource) if gc?(task)
update_repository_statistics(resource) if task != :pack_refs
# In case pack files are deleted, release libgit2 cache and open file
# descriptors ASAP instead of waiting for Ruby garbage collection
resource.cleanup
ensure
cancel_lease(lease_key, lease_uuid) if lease_key.present? && lease_uuid.present?
end
private
def default_lease_key(task, resource)
"git_gc:#{task}:#{resource.class.name.underscore.pluralize}:#{resource.id}"
end
def find_resource(id)
raise NotImplementedError
end
def gc?(task)
task == :gc || task == :prune
end
def try_obtain_lease(key)
::Gitlab::ExclusiveLease.new(key, timeout: LEASE_TIMEOUT).try_obtain
end
def renew_lease(key, uuid)
::Gitlab::ExclusiveLease.new(key, uuid: uuid, timeout: LEASE_TIMEOUT).renew
end
def cancel_lease(key, uuid)
::Gitlab::ExclusiveLease.cancel(key, uuid)
end
def get_lease_uuid(key)
::Gitlab::ExclusiveLease.get_uuid(key)
end
def before_gitaly_call(task, resource)
# no-op
end
def gitaly_call(task, resource)
repository = resource.repository.raw_repository
client = get_gitaly_client(task, repository)
case task
when :prune, :gc
client.garbage_collect(bitmaps_enabled?, prune: task == :prune)
when :full_repack
client.repack_full(bitmaps_enabled?)
when :incremental_repack
client.repack_incremental
when :pack_refs
client.pack_refs
end
rescue GRPC::NotFound => e
Gitlab::GitLogger.error("#{__method__} failed:\nRepository not found")
raise Gitlab::Git::Repository::NoRepository.new(e)
rescue GRPC::BadStatus => e
Gitlab::GitLogger.error("#{__method__} failed:\n#{e}")
raise Gitlab::Git::CommandError.new(e)
end
def get_gitaly_client(task, repository)
if task == :pack_refs
Gitlab::GitalyClient::RefService
else
Gitlab::GitalyClient::RepositoryService
end.new(repository)
end
def bitmaps_enabled?
Gitlab::CurrentSettings.housekeeping_bitmaps_enabled
end
def flush_ref_caches(resource)
resource.repository.expire_branches_cache
resource.repository.branch_names
resource.repository.has_visible_content?
end
def update_repository_statistics(resource)
resource.repository.expire_statistics_caches
return if Gitlab::Database.read_only? # GitGarbageCollectWorker may be run on a Geo secondary
update_db_repository_statistics(resource)
end
def update_db_repository_statistics(resource)
# no-op
end
end
|