diff options
author | apolcyn <apolcyn@google.com> | 2017-11-27 23:27:50 -0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-11-27 23:27:50 -0800 |
commit | 1972e5ce741dab2ffe671e0dfde00288005f19f4 (patch) | |
tree | 4e05b3af50277536dcabb839aecc02a0b70179c7 /src/ruby/end2end | |
parent | dd312a4f47a147594530f2e0f8ae9266cf6f6ebd (diff) | |
parent | 81e9581bf380ceea2f5edaf6661c040c7fa81859 (diff) |
Merge pull request #12710 from apolcyn/speedup_ruby_end2end_tests
Fix a race in ruby server shutdown and cleanup for ruby tests
Diffstat (limited to 'src/ruby/end2end')
-rwxr-xr-x | src/ruby/end2end/channel_closing_driver.rb | 6 | ||||
-rwxr-xr-x | src/ruby/end2end/channel_state_driver.rb | 7 | ||||
-rwxr-xr-x | src/ruby/end2end/end2end_common.rb | 6 | ||||
-rwxr-xr-x | src/ruby/end2end/forking_client_driver.rb | 6 | ||||
-rwxr-xr-x | src/ruby/end2end/grpc_class_init_client.rb | 2 | ||||
-rwxr-xr-x | src/ruby/end2end/killed_client_thread_driver.rb | 56 | ||||
-rwxr-xr-x | src/ruby/end2end/multiple_killed_watching_threads_driver.rb | 2 | ||||
-rwxr-xr-x | src/ruby/end2end/sig_handling_client.rb | 30 | ||||
-rwxr-xr-x | src/ruby/end2end/sig_handling_driver.rb | 35 | ||||
-rwxr-xr-x | src/ruby/end2end/sig_int_during_channel_watch_driver.rb | 4 |
10 files changed, 84 insertions, 70 deletions
diff --git a/src/ruby/end2end/channel_closing_driver.rb b/src/ruby/end2end/channel_closing_driver.rb index 0ceb3667eb..57544b0398 100755 --- a/src/ruby/end2end/channel_closing_driver.rb +++ b/src/ruby/end2end/channel_closing_driver.rb @@ -23,13 +23,11 @@ def main STDERR.puts 'start server' server_runner = ServerRunner.new(EchoServerImpl) server_port = server_runner.run - - sleep 1 - STDERR.puts 'start client' control_stub, client_pid = start_client('channel_closing_client.rb', server_port) - + # sleep to allow time for the client to get into + # the middle of a "watch connectivity state" call sleep 3 begin diff --git a/src/ruby/end2end/channel_state_driver.rb b/src/ruby/end2end/channel_state_driver.rb index 98339baebe..f4b1cd2bb8 100755 --- a/src/ruby/end2end/channel_state_driver.rb +++ b/src/ruby/end2end/channel_state_driver.rb @@ -22,14 +22,11 @@ def main STDERR.puts 'start server' server_runner = ServerRunner.new(EchoServerImpl) server_port = server_runner.run - - sleep 1 - STDERR.puts 'start client' _, client_pid = start_client('channel_state_client.rb', server_port) - + # sleep to allow time for the client to get into + # the middle of a "watch connectivity state" call sleep 3 - Process.kill('SIGTERM', client_pid) begin diff --git a/src/ruby/end2end/end2end_common.rb b/src/ruby/end2end/end2end_common.rb index a1b824fcbf..790fc23e92 100755 --- a/src/ruby/end2end/end2end_common.rb +++ b/src/ruby/end2end/end2end_common.rb @@ -40,12 +40,13 @@ end # ServerRunner starts an "echo server" that test clients can make calls to class ServerRunner - def initialize(service_impl) + def initialize(service_impl, rpc_server_args: {}) @service_impl = service_impl + @rpc_server_args = rpc_server_args end def run - @srv = GRPC::RpcServer.new + @srv = GRPC::RpcServer.new(@rpc_server_args) port = @srv.add_http2_port('0.0.0.0:0', :this_port_is_insecure) @srv.handle(@service_impl) @@ -75,7 +76,6 @@ def start_client(client_main, server_port) client_path, "--client_control_port=#{client_control_port}", "--server_port=#{server_port}") - sleep 1 control_stub = ClientControl::ClientController::Stub.new( "localhost:#{client_control_port}", :this_channel_is_insecure) [control_stub, client_pid] diff --git a/src/ruby/end2end/forking_client_driver.rb b/src/ruby/end2end/forking_client_driver.rb index 63565395f7..5cf1d73112 100755 --- a/src/ruby/end2end/forking_client_driver.rb +++ b/src/ruby/end2end/forking_client_driver.rb @@ -20,12 +20,6 @@ def main STDERR.puts 'start server' server_runner = ServerRunner.new(EchoServerImpl) server_port = server_runner.run - - # TODO(apolcyn) Can we get rid of this sleep? - # Without it, an immediate call to the just started EchoServer - # fails with UNAVAILABLE - sleep 1 - STDERR.puts 'start client' _, client_pid = start_client('forking_client_client.rb', server_port) diff --git a/src/ruby/end2end/grpc_class_init_client.rb b/src/ruby/end2end/grpc_class_init_client.rb index c35719a71f..ff40350cfa 100755 --- a/src/ruby/end2end/grpc_class_init_client.rb +++ b/src/ruby/end2end/grpc_class_init_client.rb @@ -54,7 +54,7 @@ def run_concurrency_stress_test(test_proc) test_proc.call - fail 'exception thrown while child thread initing class' + fail '(expected) exception thrown while child thread initing class' end # default (no gc_stress and no concurrency_stress) diff --git a/src/ruby/end2end/killed_client_thread_driver.rb b/src/ruby/end2end/killed_client_thread_driver.rb index fce5d13e82..370f7e686b 100755 --- a/src/ruby/end2end/killed_client_thread_driver.rb +++ b/src/ruby/end2end/killed_client_thread_driver.rb @@ -17,56 +17,46 @@ require_relative './end2end_common' # Service that sleeps for a long time upon receiving an 'echo request' -# Also, this notifies @call_started_cv once it has received a request. +# Also, this calls it's callback upon receiving an RPC as a method +# of synchronization/waiting for the child to start. class SleepingEchoServerImpl < Echo::EchoServer::Service - def initialize(call_started, call_started_mu, call_started_cv) - @call_started = call_started - @call_started_mu = call_started_mu - @call_started_cv = call_started_cv + def initialize(received_rpc_callback) + @received_rpc_callback = received_rpc_callback end def echo(echo_req, _) - @call_started_mu.synchronize do - @call_started.set_true - @call_started_cv.signal - end - sleep 1000 + @received_rpc_callback.call + # sleep forever to get the client stuck waiting + sleep Echo::EchoReply.new(response: echo_req.request) end end -# Mutable boolean -class BoolHolder - attr_reader :val - - def init - @val = false - end - - def set_true - @val = true - end -end - def main STDERR.puts 'start server' - call_started = BoolHolder.new - call_started_mu = Mutex.new - call_started_cv = ConditionVariable.new + client_started = false + client_started_mu = Mutex.new + client_started_cv = ConditionVariable.new + received_rpc_callback = proc do + client_started_mu.synchronize do + client_started = true + client_started_cv.signal + end + end - service_impl = SleepingEchoServerImpl.new(call_started, - call_started_mu, - call_started_cv) - server_runner = ServerRunner.new(service_impl) + service_impl = SleepingEchoServerImpl.new(received_rpc_callback) + # RPCs against the server will all be hanging, so kill thread + # pool workers immediately rather than after waiting for a second. + rpc_server_args = { poll_period: 0, pool_keep_alive: 0 } + server_runner = ServerRunner.new(service_impl, rpc_server_args: rpc_server_args) server_port = server_runner.run - STDERR.puts 'start client' _, client_pid = start_client('killed_client_thread_client.rb', server_port) - call_started_mu.synchronize do - call_started_cv.wait(call_started_mu) until call_started.val + client_started_mu.synchronize do + client_started_cv.wait(client_started_mu) until client_started end # SIGTERM the child process now that it's diff --git a/src/ruby/end2end/multiple_killed_watching_threads_driver.rb b/src/ruby/end2end/multiple_killed_watching_threads_driver.rb index 94d5e9da2d..59f6f275e4 100755 --- a/src/ruby/end2end/multiple_killed_watching_threads_driver.rb +++ b/src/ruby/end2end/multiple_killed_watching_threads_driver.rb @@ -26,6 +26,8 @@ def watch_state(ch) fail "non-idle state: #{state}" unless state == IDLE ch.watch_connectivity_state(IDLE, Time.now + 360) end + # sleep to get the thread into the middle of a + # "watch connectivity state" call sleep 0.1 thd.kill end diff --git a/src/ruby/end2end/sig_handling_client.rb b/src/ruby/end2end/sig_handling_client.rb index 41b5f334be..129ad7cb7f 100755 --- a/src/ruby/end2end/sig_handling_client.rb +++ b/src/ruby/end2end/sig_handling_client.rb @@ -30,16 +30,18 @@ class SigHandlingClientController < ClientControl::ClientController::Service end def shutdown(_, _) - Thread.new do - # TODO(apolcyn) There is a race between stopping the - # server and the "shutdown" rpc completing, - # See if stop method on server can end active RPC cleanly, to - # avoid this sleep. - sleep 3 + # Spawn a new thread because RpcServer#stop is + # synchronous and blocks until either this RPC has finished, + # or the server's "poll_period" seconds have passed. + @shutdown_thread = Thread.new do @srv.stop end ClientControl::Void.new end + + def join_shutdown_thread + @shutdown_thread.join + end end def main @@ -62,13 +64,23 @@ def main STDERR.puts 'SIGINT received' end - srv = GRPC::RpcServer.new + # The "shutdown" RPC should end very quickly. + # Allow a few seconds to be safe. + srv = GRPC::RpcServer.new(poll_period: 3) srv.add_http2_port("0.0.0.0:#{client_control_port}", :this_port_is_insecure) stub = Echo::EchoServer::Stub.new("localhost:#{server_port}", :this_channel_is_insecure) - srv.handle(SigHandlingClientController.new(srv, stub)) - srv.run + control_service = SigHandlingClientController.new(srv, stub) + srv.handle(control_service) + server_thread = Thread.new do + srv.run + end + srv.wait_till_running + # send a first RPC to notify the parent process that we've started + stub.echo(Echo::EchoRequest.new(request: 'client/child started')) + server_thread.join + control_service.join_shutdown_thread end main diff --git a/src/ruby/end2end/sig_handling_driver.rb b/src/ruby/end2end/sig_handling_driver.rb index 291bf29424..0ad1cbd661 100755 --- a/src/ruby/end2end/sig_handling_driver.rb +++ b/src/ruby/end2end/sig_handling_driver.rb @@ -19,17 +19,42 @@ require_relative './end2end_common' +# A service that calls back it's received_rpc_callback +# upon receiving an RPC. Used for synchronization/waiting +# for child process to start. +class ClientStartedService < Echo::EchoServer::Service + def initialize(received_rpc_callback) + @received_rpc_callback = received_rpc_callback + end + + def echo(echo_req, _) + @received_rpc_callback.call unless @received_rpc_callback.nil? + @received_rpc_callback = nil + Echo::EchoReply.new(response: echo_req.request) + end +end + def main STDERR.puts 'start server' - server_runner = ServerRunner.new(EchoServerImpl) - server_port = server_runner.run - - sleep 1 + client_started = false + client_started_mu = Mutex.new + client_started_cv = ConditionVariable.new + received_rpc_callback = proc do + client_started_mu.synchronize do + client_started = true + client_started_cv.signal + end + end + client_started_service = ClientStartedService.new(received_rpc_callback) + server_runner = ServerRunner.new(client_started_service) + server_port = server_runner.run STDERR.puts 'start client' control_stub, client_pid = start_client('sig_handling_client.rb', server_port) - sleep 1 + client_started_mu.synchronize do + client_started_cv.wait(client_started_mu) until client_started + end count = 0 while count < 5 diff --git a/src/ruby/end2end/sig_int_during_channel_watch_driver.rb b/src/ruby/end2end/sig_int_during_channel_watch_driver.rb index b054f0f5f3..2df22f48a2 100755 --- a/src/ruby/end2end/sig_int_during_channel_watch_driver.rb +++ b/src/ruby/end2end/sig_int_during_channel_watch_driver.rb @@ -23,13 +23,9 @@ def main STDERR.puts 'start server' server_runner = ServerRunner.new(EchoServerImpl) server_port = server_runner.run - - sleep 1 - STDERR.puts 'start client' _, client_pid = start_client('sig_int_during_channel_watch_client.rb', server_port) - # give time for the client to get into the middle # of a channel state watch call sleep 1 |