JezK
Edit File: systemd.rb
# frozen_string_literal: true require 'sd_notify' module Puma class Systemd def initialize(events) @events = events end def hook_events @events.on_booted { SdNotify.ready } @events.on_stopped { SdNotify.stopping } @events.on_restart { SdNotify.reloading } end def start_watchdog return unless SdNotify.watchdog? ping_f = watchdog_sleep_time log "Pinging systemd watchdog every #{ping_f.round(1)} sec" Thread.new do loop do sleep ping_f SdNotify.watchdog end end end private def watchdog_sleep_time usec = Integer(ENV["WATCHDOG_USEC"]) sec_f = usec / 1_000_000.0 # "It is recommended that a daemon sends a keep-alive notification message # to the service manager every half of the time returned here." sec_f / 2 end def log(str) @events.log str end end end