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alpn_integration_test.cc
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alpn_integration_test.cc
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#include "test/integration/autonomous_upstream.h"
#include "test/integration/http_integration.h"
#include "gtest/gtest.h"
namespace Envoy {
namespace {
class AlpnIntegrationTest : public testing::TestWithParam<Network::Address::IpVersion>,
public HttpIntegrationTest {
public:
AlpnIntegrationTest() : HttpIntegrationTest(Http::CodecType::HTTP2, GetParam()) {}
void SetUp() override {
autonomous_upstream_ = true;
setUpstreamCount(2);
setDownstreamProtocol(Http::CodecType::HTTP2);
upstream_tls_ = true;
}
void initialize() override {
config_helper_.configureUpstreamTls(true);
// If the test is configured to have multiple upstreams, make sure the Envoy
// config also has 2 upstreams.
if (fake_upstreams_count_ == 2) {
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) {
auto* static_resources = bootstrap.mutable_static_resources();
auto* cluster = static_resources->mutable_clusters(0);
auto* load_assignment = cluster->mutable_load_assignment();
load_assignment->set_cluster_name(cluster->name());
auto* locality = load_assignment->add_endpoints();
locality->set_priority(0);
locality->mutable_locality()->set_region("region");
locality->add_lb_endpoints()->mutable_endpoint()->MergeFrom(
ConfigHelper::buildEndpoint(Network::Test::getLoopbackAddressString(version_)));
});
}
HttpIntegrationTest::initialize();
}
void createUpstreams() override {
for (uint32_t i = 0; i < fake_upstreams_count_; ++i) {
auto endpoint = upstream_address_fn_(i);
auto config = upstreamConfig();
config.upstream_protocol_ = protocols_[i];
createUpstream(endpoint, config);
}
}
std::vector<Http::CodecType> protocols_;
};
INSTANTIATE_TEST_SUITE_P(IpVersions, AlpnIntegrationTest,
testing::ValuesIn(TestEnvironment::getIpVersionsForTest()),
TestUtility::ipTestParamsToString);
TEST_P(AlpnIntegrationTest, Http2Old) {
setUpstreamProtocol(Http::CodecType::HTTP2);
protocols_ = {Http::CodecType::HTTP2, Http::CodecType::HTTP2};
config_helper_.addRuntimeOverride("envoy.reloadable_features.allow_concurrency_for_alpn_pool",
"false");
initialize();
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
auto response2 = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
ASSERT_TRUE(response2->waitForEndStream());
ASSERT_TRUE(response2->complete());
EXPECT_EQ("200", response2->headers().Status()->value().getStringView());
}
TEST_P(AlpnIntegrationTest, Http2New) {
setUpstreamProtocol(Http::CodecType::HTTP2);
protocols_ = {Http::CodecType::HTTP2, Http::CodecType::HTTP2};
config_helper_.addRuntimeOverride("envoy.reloadable_features.allow_concurrency_for_alpn_pool",
"true");
initialize();
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
auto response2 = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
ASSERT_TRUE(response2->waitForEndStream());
ASSERT_TRUE(response2->complete());
EXPECT_EQ("200", response2->headers().Status()->value().getStringView());
}
TEST_P(AlpnIntegrationTest, Http1Old) {
setUpstreamProtocol(Http::CodecType::HTTP1);
protocols_ = {Http::CodecType::HTTP1, Http::CodecType::HTTP1};
config_helper_.addRuntimeOverride("envoy.reloadable_features.allow_concurrency_for_alpn_pool",
"false");
initialize();
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
auto response2 = codec_client2->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
ASSERT_TRUE(response->waitForEndStream());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
ASSERT_TRUE(response2->waitForEndStream());
ASSERT_TRUE(response2->complete());
EXPECT_EQ("200", response2->headers().Status()->value().getStringView());
codec_client2->close();
}
TEST_P(AlpnIntegrationTest, Http1New) {
setUpstreamProtocol(Http::CodecType::HTTP1);
protocols_ = {Http::CodecType::HTTP1, Http::CodecType::HTTP1};
config_helper_.addRuntimeOverride("envoy.reloadable_features.allow_concurrency_for_alpn_pool",
"true");
initialize();
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
auto response2 = codec_client2->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
ASSERT_TRUE(response->waitForEndStream());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
ASSERT_TRUE(response2->waitForEndStream());
ASSERT_TRUE(response2->complete());
EXPECT_EQ("200", response2->headers().Status()->value().getStringView());
codec_client2->close();
}
TEST_P(AlpnIntegrationTest, Http1RememberLimits) {
setUpstreamProtocol(Http::CodecType::HTTP1);
protocols_ = {Http::CodecType::HTTP1, Http::CodecType::HTTP1};
config_helper_.addRuntimeOverride("envoy.reloadable_features.allow_concurrency_for_alpn_pool",
"true");
initialize();
// Send a request and response, then close the connection.
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
default_request_headers_.addCopy(AutonomousStream::CLOSE_AFTER_RESPONSE, "yes");
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
ASSERT_TRUE(response->waitForEndStream());
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_destroy", 1);
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_total", 1);
fake_upstreams_.clear();
{
IntegrationCodecClientPtr codec_client1 = makeHttpConnection(lookupPort("http"));
auto response1 = codec_client1->makeHeaderOnlyRequest(default_request_headers_);
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
auto response2 = codec_client2->makeHeaderOnlyRequest(default_request_headers_);
// Envoy should attempt to establish 2 new connections, one for each stream.
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_total", 3);
codec_client1->close();
codec_client2->close();
}
}
TEST_P(AlpnIntegrationTest, Http2RememberSettings) {
setUpstreamCount(1);
setUpstreamProtocol(Http::CodecType::HTTP2);
autonomous_upstream_ = false;
protocols_ = {Http::CodecType::HTTP2, Http::CodecType::HTTP2};
config_helper_.addRuntimeOverride("envoy.reloadable_features.allow_concurrency_for_alpn_pool",
"true");
initialize();
// Send a request and response, get the settings update then close the connection.
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
auto response =
sendRequestAndWaitForResponse(default_request_headers_, 0, default_response_headers_, 0);
// Adjust the max concurrent streams of one connection created above to 2.
auto bytes_read = test_server_->counter("cluster.cluster_0.upstream_cx_rx_bytes_total");
const Http2Frame settings_frame = Http2Frame::makeSettingsFrame(
Http2Frame::SettingsFlags::None, {{NGHTTP2_SETTINGS_MAX_CONCURRENT_STREAMS, 1}});
std::string settings_data(settings_frame);
Buffer::OwnedImpl settings_buffer(settings_data);
upstream_request_->postToConnectionThread([this, &settings_buffer]() {
fake_upstream_connection_->connection().write(settings_buffer, false);
});
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_rx_bytes_total",
bytes_read + settings_data.size());
// Close the connection.
ASSERT_TRUE(fake_upstream_connection_->close());
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_destroy", 1);
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_total", 1);
{
absl::MutexLock l(&fake_upstreams_[0]->lock());
IntegrationCodecClientPtr codec_client1 = makeHttpConnection(lookupPort("http"));
auto response1 = codec_client1->makeHeaderOnlyRequest(default_request_headers_);
IntegrationCodecClientPtr codec_client2 = makeHttpConnection(lookupPort("http"));
auto response2 = codec_client2->makeHeaderOnlyRequest(default_request_headers_);
// Envoy should attempt to establish 2 new connections, one for each stream.
test_server_->waitForCounterGe("cluster.cluster_0.upstream_cx_total", 3);
codec_client1->close();
codec_client2->close();
}
}
TEST_P(AlpnIntegrationTest, Mixed) {
protocols_ = {Http::CodecType::HTTP1, Http::CodecType::HTTP2};
initialize();
codec_client_ = makeHttpConnection(makeClientConnection((lookupPort("http"))));
// Kick off two simultaneous requests, to ensure two upstream connections are
// created.
auto encoder_decoder1 = codec_client_->startRequest(default_request_headers_);
auto& encoder1 = encoder_decoder1.first;
auto& response1 = encoder_decoder1.second;
auto encoder_decoder2 = codec_client_->startRequest(default_request_headers_);
auto& encoder2 = encoder_decoder2.first;
auto& response2 = encoder_decoder2.second;
// Finish both streams to ensure both responses come through.
Buffer::OwnedImpl data("");
encoder1.encodeData(data, true);
encoder2.encodeData(data, true);
ASSERT_TRUE(response1->waitForEndStream());
ASSERT_TRUE(response2->waitForEndStream());
EXPECT_EQ("200", response1->headers().Status()->value().getStringView());
EXPECT_EQ("200", response2->headers().Status()->value().getStringView());
}
} // namespace
} // namespace Envoy