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|
# frozen_string_literal: true
require 'webrick'
module Gitlab
module HealthChecks
class Server < Daemon
def initialize(address:, port:, **options)
super(**options)
@address = address
@port = port
end
private
def start_working
@server = ::WEBrick::HTTPServer.new(
Port: @port, BindAddress: @address, AccessLog: []
)
@server.mount '/', Rack::Handler::WEBrick, rack_app
true
end
def run_thread
@server&.start
rescue IOError
# ignore forcibily closed servers
end
def stop_working
if @server
# we close sockets if thread is not longer running
# this happens, when the process forks
if thread.alive?
@server.shutdown
else
@server.listeners.each(&:close)
end
end
@server = nil
end
def rack_app
readiness = new_probe
liveness = new_probe
Rack::Builder.app do
use Rack::Deflater
use HealthChecks::Middleware, readiness, liveness
run -> (env) { [404, {}, ['']] }
end
end
def new_probe
::Gitlab::HealthChecks::Probes::Collection.new
end
end
end
end
|
