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# frozen_string_literal: true
module Gitlab
module Database
module LoadBalancing
class SidekiqClientMiddleware
def call(worker_class, job, _queue, _redis_pool)
worker_class = worker_class.to_s.safe_constantize
mark_data_consistency_location(worker_class, job)
yield
end
private
def mark_data_consistency_location(worker_class, job)
# Mailers can't be constantized
return unless worker_class
return unless worker_class.include?(::ApplicationWorker)
return unless worker_class.get_data_consistency_feature_flag_enabled?
return if location_already_provided?(job)
job['worker_data_consistency'] = worker_class.get_data_consistency
return unless worker_class.utilizes_load_balancing_capabilities?
if Session.current.use_primary?
job['database_write_location'] = load_balancer.primary_write_location
else
job['database_replica_location'] = load_balancer.host.database_replica_location
end
end
def location_already_provided?(job)
job['database_replica_location'] || job['database_write_location']
end
def load_balancer
LoadBalancing.proxy.load_balancer
end
end
end
end
end
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