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# frozen_string_literal: true
module Prometheus
module PidProvider
extend self
def worker_id
if Gitlab::Runtime.sidekiq?
sidekiq_worker_id
elsif Gitlab::Runtime.puma?
puma_worker_id
else
unknown_process_id
end
end
private
def sidekiq_worker_id
if worker = ENV['SIDEKIQ_WORKER_ID']
"sidekiq_#{worker}"
else
'sidekiq'
end
end
def puma_worker_id
if matches = process_name.match(/puma.*cluster worker ([0-9]+):/)
"puma_#{matches[1]}"
elsif process_name =~ /puma/
"puma_master"
else
unknown_process_id
end
end
def unknown_process_id
"process_#{Process.pid}"
end
def process_name
$PROGRAM_NAME
end
end
end
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