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Making //test/integration:hds_integration_test less flaky #4149

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Aug 15, 2018
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Making //test/integration:hds_integration_test less flaky #4149

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33 changes: 27 additions & 6 deletions test/integration/hds_integration_test.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ class HdsIntegrationTest : public HttpIntegrationTest,
void createUpstreams() override {
fake_upstreams_.emplace_back(new FakeUpstream(0, FakeHttpConnection::Type::HTTP2, version_));
hds_upstream_ = fake_upstreams_.back().get();
hds_upstream_->set_allow_unexpected_disconnects(true);
HttpIntegrationTest::createUpstreams();
}

Expand Down Expand Up @@ -70,6 +71,7 @@ class HdsIntegrationTest : public HttpIntegrationTest,
ASSERT_TRUE(host_fake_connection_->waitForNewStream(*dispatcher_, host_stream_));
ASSERT_TRUE(host_stream_->waitForEndStream(*dispatcher_));

host_upstream_->set_allow_unexpected_disconnects(true);
EXPECT_STREQ(host_stream_->headers().Path()->value().c_str(), "/healthcheck");
EXPECT_STREQ(host_stream_->headers().Method()->value().c_str(), "GET");
EXPECT_STREQ(host_stream_->headers().Host()->value().c_str(), "anna");
Expand All @@ -79,6 +81,7 @@ class HdsIntegrationTest : public HttpIntegrationTest,
ASSERT_TRUE(host2_fake_connection_->waitForNewStream(*dispatcher_, host2_stream_));
ASSERT_TRUE(host2_stream_->waitForEndStream(*dispatcher_));

host2_upstream_->set_allow_unexpected_disconnects(true);
EXPECT_STREQ(host2_stream_->headers().Path()->value().c_str(), "/healthcheck");
EXPECT_STREQ(host2_stream_->headers().Method()->value().c_str(), "GET");
EXPECT_STREQ(host2_stream_->headers().Host()->value().c_str(), cluster2.c_str());
Expand Down Expand Up @@ -127,7 +130,7 @@ class HdsIntegrationTest : public HttpIntegrationTest,
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_zone("some_zone");
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_sub_zone("crete");

health_check->add_health_checks()->mutable_timeout()->set_seconds(1);
health_check->add_health_checks()->mutable_timeout()->set_seconds(2);
health_check->mutable_health_checks(0)->mutable_interval()->set_seconds(1);
health_check->mutable_health_checks(0)->mutable_unhealthy_threshold()->set_value(2);
health_check->mutable_health_checks(0)->mutable_healthy_threshold()->set_value(2);
Expand All @@ -154,7 +157,7 @@ class HdsIntegrationTest : public HttpIntegrationTest,
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_zone("some_zone");
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_sub_zone("crete");

health_check->add_health_checks()->mutable_timeout()->set_seconds(1);
health_check->add_health_checks()->mutable_timeout()->set_seconds(2);
health_check->mutable_health_checks(0)->mutable_interval()->set_seconds(1);
health_check->mutable_health_checks(0)->mutable_unhealthy_threshold()->set_value(2);
health_check->mutable_health_checks(0)->mutable_healthy_threshold()->set_value(2);
Expand Down Expand Up @@ -250,7 +253,14 @@ TEST_P(HdsIntegrationTest, SingleEndpointHealthyHttp) {
TEST_P(HdsIntegrationTest, SingleEndpointTimeoutHttp) {
initialize();
server_health_check_specifier_ = makeHttpHealthCheckSpecifier();

server_health_check_specifier_.mutable_cluster_health_checks(0)
->mutable_health_checks(0)
->mutable_timeout()
->set_seconds(0);
server_health_check_specifier_.mutable_cluster_health_checks(0)
->mutable_health_checks(0)
->mutable_timeout()
->set_nanos(800000000);
// Server <--> Envoy
waitForHdsStream();
ASSERT_TRUE(hds_stream_->waitForGrpcMessage(*dispatcher_, envoy_msg_));
Expand Down Expand Up @@ -329,6 +339,14 @@ TEST_P(HdsIntegrationTest, SingleEndpointTimeoutTcp) {

// Server asks for health checking
server_health_check_specifier_ = makeTcpHealthCheckSpecifier();
server_health_check_specifier_.mutable_cluster_health_checks(0)
->mutable_health_checks(0)
->mutable_timeout()
->set_seconds(0);
server_health_check_specifier_.mutable_cluster_health_checks(0)
->mutable_health_checks(0)
->mutable_timeout()
->set_nanos(800000000);
hds_stream_->startGrpcStream();
hds_stream_->sendGrpcMessage(server_health_check_specifier_);
test_server_->waitForCounterGe("hds_delegate.requests", ++hds_requests_);
Expand All @@ -338,6 +356,7 @@ TEST_P(HdsIntegrationTest, SingleEndpointTimeoutTcp) {
ASSERT_TRUE(
host_fake_raw_connection_->waitForData(FakeRawConnection::waitForInexactMatch("Ping")));

host_upstream_->set_allow_unexpected_disconnects(true);
// No response from the endpoint

// Envoy reports back to server
Expand Down Expand Up @@ -375,6 +394,7 @@ TEST_P(HdsIntegrationTest, SingleEndpointHealthyTcp) {
host_fake_raw_connection_->waitForData(FakeRawConnection::waitForInexactMatch("Ping")));
AssertionResult result = host_fake_raw_connection_->write("Pong");
RELEASE_ASSERT(result, result.message());
host_upstream_->set_allow_unexpected_disconnects(true);

// Envoy reports back to server
ASSERT_TRUE(hds_stream_->waitForGrpcMessage(*dispatcher_, response_));
Expand Down Expand Up @@ -411,6 +431,7 @@ TEST_P(HdsIntegrationTest, SingleEndpointUnhealthyTcp) {
host_fake_raw_connection_->waitForData(FakeRawConnection::waitForInexactMatch("Ping")));
AssertionResult result = host_fake_raw_connection_->write("Voronoi");
RELEASE_ASSERT(result, result.message());
host_upstream_->set_allow_unexpected_disconnects(true);

// Envoy reports back to server
ASSERT_TRUE(hds_stream_->waitForGrpcMessage(*dispatcher_, response_));
Expand Down Expand Up @@ -540,7 +561,7 @@ TEST_P(HdsIntegrationTest, TwoEndpointsDifferentClusters) {
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_zone("peculiar_zone");
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_sub_zone("paris");

health_check->add_health_checks()->mutable_timeout()->set_seconds(1);
health_check->add_health_checks()->mutable_timeout()->set_seconds(2);
health_check->mutable_health_checks(0)->mutable_interval()->set_seconds(1);
health_check->mutable_health_checks(0)->mutable_unhealthy_threshold()->set_value(2);
health_check->mutable_health_checks(0)->mutable_healthy_threshold()->set_value(2);
Expand Down Expand Up @@ -633,7 +654,7 @@ TEST_P(HdsIntegrationTest, TestUpdateMessage) {
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_zone("peculiar_zone");
health_check->mutable_locality_endpoints(0)->mutable_locality()->set_sub_zone("paris");

health_check->add_health_checks()->mutable_timeout()->set_seconds(1);
health_check->add_health_checks()->mutable_timeout()->set_seconds(2);
health_check->mutable_health_checks(0)->mutable_interval()->set_seconds(1);
health_check->mutable_health_checks(0)->mutable_unhealthy_threshold()->set_value(2);
health_check->mutable_health_checks(0)->mutable_healthy_threshold()->set_value(2);
Expand All @@ -649,7 +670,7 @@ TEST_P(HdsIntegrationTest, TestUpdateMessage) {
ASSERT_TRUE(host2_upstream_->waitForHttpConnection(*dispatcher_, host2_fake_connection_));
ASSERT_TRUE(host2_fake_connection_->waitForNewStream(*dispatcher_, host2_stream_));
ASSERT_TRUE(host2_stream_->waitForEndStream(*dispatcher_));

host2_upstream_->set_allow_unexpected_disconnects(true);
// Endpoint responds to the health check
host2_stream_->encodeHeaders(Http::TestHeaderMapImpl{{":status", "404"}}, false);
host2_stream_->encodeData(1024, true);
Expand Down