Sha256: 0908d97d73a1bb59ba61c44756f80d0dee604850726d4658e02067915b62740a
Contents?: true
Size: 988 Bytes
Versions: 6
Compression:
Stored size: 988 Bytes
Contents
# frozen_string_literal: true
require 'sd_notify'
module Puma
class Systemd
def initialize(log_writer, events)
@log_writer = log_writer
@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)
@log_writer.log(str)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems