gitlab-org--gitlab-foss/lib/gitlab/runtime.rb

62 lines
1.5 KiB
Ruby

# frozen_string_literal: true
module Gitlab
# Provides routines to identify the current runtime as which the application
# executes, such as whether it is an application server and which one.
module Runtime
class << self
def name
matches = []
matches << :puma if puma?
matches << :unicorn if unicorn?
matches << :console if console?
matches << :sidekiq if sidekiq?
raise "Ambiguous process match: #{matches}" if matches.size > 1
matches.first || :unknown
end
def puma?
!!(defined?(::Puma) && bin == 'puma')
end
# For unicorn, we need to check for actual server instances to avoid false positives.
def unicorn?
!!(defined?(::Unicorn) && defined?(::Unicorn::HttpServer))
end
def sidekiq?
!!(defined?(::Sidekiq) && Sidekiq.server? && bin == 'sidekiq')
end
def console?
!!defined?(::Rails::Console)
end
def app_server?
puma? || unicorn?
end
def multi_threaded?
puma? || sidekiq?
end
private
# Some example values from my system:
# puma: /data/cache/bundle-2.5/bin/puma
# unicorn: unicorn_rails master -E development -c /tmp/unicorn.rb -l 0.0.0.0:8080
# sidekiq: /data/cache/bundle-2.5/bin/sidekiq
# thin: bin/rails
# console: bin/rails
def script_name
$0
end
def bin
File.basename(script_name)
end
end
end
end