Sha256: 22eb058226136c6e90e20ce4f3a6e1f75193862f3a44dab961c4bba53059a993
Contents?: true
Size: 940 Bytes
Versions: 51
Compression:
Stored size: 940 Bytes
Contents
# 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
Version data entries
51 entries across 48 versions & 5 rubygems