blob: 13afbd8fd379154c9d0dc1adc3f0ec2ef48b2a0d (
plain)
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
|
# frozen_string_literal: true
module Gitlab
module Database
module LoadBalancing
class SidekiqClientMiddleware
include Gitlab::Utils::StrongMemoize
def call(worker_class, job, _queue, _redis_pool)
# Mailers can't be constantized
worker_class = worker_class.to_s.safe_constantize
if load_balancing_enabled?(worker_class)
job['worker_data_consistency'] = worker_class.get_data_consistency
set_data_consistency_locations!(job) unless job['wal_locations']
else
job['worker_data_consistency'] = ::WorkerAttributes::DEFAULT_DATA_CONSISTENCY
end
yield
end
private
def load_balancing_enabled?(worker_class)
worker_class &&
worker_class.include?(::ApplicationWorker) &&
worker_class.utilizes_load_balancing_capabilities? &&
worker_class.get_data_consistency_feature_flag_enabled?
end
def set_data_consistency_locations!(job)
locations = {}
::Gitlab::Database::LoadBalancing.each_load_balancer do |lb|
if (location = wal_location_for(lb))
locations[lb.name] = location
end
end
job['wal_locations'] = locations
job['wal_location_source'] = wal_location_source
end
def wal_location_source
if ::Gitlab::Database::LoadBalancing.primary_only? || uses_primary?
::Gitlab::Database::LoadBalancing::ROLE_PRIMARY
else
::Gitlab::Database::LoadBalancing::ROLE_REPLICA
end
end
def wal_location_for(load_balancer)
# When only using the primary there's no need for any WAL queries.
return if load_balancer.primary_only?
if uses_primary?
load_balancer.primary_write_location
else
load_balancer.host.database_replica_location
end
end
def uses_primary?
::Gitlab::Database::LoadBalancing::Session.current.use_primary?
end
end
end
end
end
|