gitlab-org--gitlab-foss/lib/prometheus/pid_provider.rb

43 lines
1.0 KiB
Ruby

# frozen_string_literal: true
require 'prometheus/client/support/unicorn'
module Prometheus
module PidProvider
extend self
def worker_id
if Sidekiq.server?
'sidekiq'
elsif defined?(Unicorn::Worker)
"unicorn_#{unicorn_worker_id}"
elsif defined?(::Puma)
"puma_#{puma_worker_id}"
else
"process_#{Process.pid}"
end
end
private
# This is not fully accurate as we don't really know if the nil returned
# is actually means we're on master or not.
# Follow up issue was created to address this problem and
# to introduce more structrured approach to a current process discovery:
# https://gitlab.com/gitlab-org/gitlab-ce/issues/64740
def unicorn_worker_id
::Prometheus::Client::Support::Unicorn.worker_id || 'master'
end
# See the comment for #unicorn_worker_id
def puma_worker_id
match = process_name.match(/cluster worker ([0-9]+):/)
match ? match[1] : 'master'
end
def process_name
$0
end
end
end