test/test_plugin_systemd.rb
require_relative "helper"
require_relative "helpers/integration"
class TestPluginSystemd < TestIntegration
parallelize_me! if ::Puma.mri?
THREAD_LOG = TRUFFLE ? "{ 0/16 threads, 16 available, 0 backlog }" :
"{ 0/5 threads, 5 available, 0 backlog }"
def setup
skip_unless :linux
skip_unless :unix
skip_unless_signal_exist? :TERM
skip_if :jruby
super
::Dir::Tmpname.create("puma_socket") do |sockaddr|
@sockaddr = sockaddr
@socket = Socket.new(:UNIX, :DGRAM, 0)
socket_ai = Addrinfo.unix(sockaddr)
@socket.bind(socket_ai)
@env = {"NOTIFY_SOCKET" => sockaddr }
end
end
def teardown
return if skipped?
@socket&.close
File.unlink(@sockaddr) if @sockaddr
@socket = nil
@sockaddr = nil
end
def test_systemd_notify_usr1_phased_restart_cluster
skip_unless :fork
assert_restarts_with_systemd :USR1
end
def test_systemd_notify_usr2_hot_restart_cluster
skip_unless :fork
assert_restarts_with_systemd :USR2
end
def test_systemd_notify_usr2_hot_restart_single
assert_restarts_with_systemd :USR2, workers: 0
end
def test_systemd_watchdog
wd_env = @env.merge({"WATCHDOG_USEC" => "1_000_000"})
cli_server "test/rackup/hello.ru", env: wd_env
assert_message "READY=1"
assert_message "WATCHDOG=1"
stop_server
assert_includes @socket.recvfrom(15)[0], "STOPPING=1"
end
def test_systemd_notify
cli_server "test/rackup/hello.ru", env: @env
assert_message "READY=1"
assert_message "STATUS=Puma #{Puma::Const::VERSION}: worker: #{THREAD_LOG}"
stop_server
assert_message "STOPPING=1"
end
def test_systemd_cluster_notify
skip_unless :fork
cli_server "-w2 test/rackup/hello.ru", env: @env
assert_message "READY=1"
assert_message(
"STATUS=Puma #{Puma::Const::VERSION}: cluster: 2/2, worker_status: [#{THREAD_LOG},#{THREAD_LOG}]")
stop_server
assert_message "STOPPING=1"
end
private
def assert_restarts_with_systemd(signal, workers: 2)
skip_unless(:fork) unless workers.zero?
cli_server "-w#{workers} test/rackup/hello.ru", env: @env
assert_message 'READY=1'
Process.kill signal, @pid
connect.write "GET / HTTP/1.1\r\n\r\n"
assert_message 'RELOADING=1'
assert_message 'READY=1'
Process.kill signal, @pid
connect.write "GET / HTTP/1.1\r\n\r\n"
assert_message 'RELOADING=1'
assert_message 'READY=1'
stop_server
assert_message 'STOPPING=1'
end
def assert_message(msg)
@socket.wait_readable 1
assert_equal msg, @socket.recvfrom(msg.bytesize)[0]
end
end