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# frozen_string_literal: true
module Gitlab
class SidekiqQueue
include Gitlab::Utils::StrongMemoize
NoMetadataError = Class.new(StandardError)
InvalidQueueError = Class.new(StandardError)
WORKER_KEY = 'worker_class'
ALLOWED_KEYS = Gitlab::ApplicationContext::KNOWN_KEYS + [WORKER_KEY]
attr_reader :queue_name
def initialize(queue_name)
@queue_name = queue_name
end
def drop_jobs!(search_metadata, timeout:)
start_time = monotonic_time
completed = true
deleted_jobs = 0
job_search_metadata =
search_metadata
.stringify_keys
.slice(*ALLOWED_KEYS)
.transform_keys(&method(:transform_key))
.compact
raise NoMetadataError if job_search_metadata.empty?
raise InvalidQueueError unless queue
queue.each do |job|
if timeout_exceeded?(start_time, timeout)
completed = false
break
end
next unless job_matches?(job, job_search_metadata)
job.delete
deleted_jobs += 1
end
{
completed: completed,
deleted_jobs: deleted_jobs,
queue_size: queue.size
}
end
private
def transform_key(key)
if Gitlab::ApplicationContext::KNOWN_KEYS.include?(key)
"meta.#{key}"
elsif key == WORKER_KEY
'class'
end
end
def queue
strong_memoize(:queue) do
# Sidekiq::Queue.new always returns a queue, even if it doesn't
# exist.
Sidekiq::Queue.all.find { |queue| queue.name == queue_name }
end
end
def job_matches?(job, job_search_metadata)
job_search_metadata.all? { |key, value| job[key] == value }
end
def timeout_exceeded?(start_time, timeout)
(monotonic_time - start_time) > timeout
end
def monotonic_time
Gitlab::Metrics::System.monotonic_time
end
end
end
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