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module Prometheus
module Client
module Support
module Puma
extend self
def worker_pid_provider
wid = worker_id
if wid = worker_id
wid
else
"process_id_#{Process.pid}"
end
end
private
def object_based_worker_id
return unless defined?(::Puma::Cluster::Worker)
workers = ObjectSpace.each_object(::Puma::Cluster::Worker)
return if workers.nil?
workers_first = workers.first
workers_first.index unless workers_first.nil?
end
def program_name
$PROGRAM_NAME
end
def worker_id
if matchdata = program_name.match(/puma.*cluster worker ([0-9]+):/)
"puma_#{matchdata[1]}"
elsif object_worker_id = object_based_worker_id
"puma_#{object_worker_id}"
elsif program_name.include?('puma')
'puma_master'
end
end
end
end
end
end
|
