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http_integration.cc
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#include "test/integration/http_integration.h"
#include <functional>
#include <list>
#include <memory>
#include <regex>
#include <string>
#include <vector>
#include "envoy/buffer/buffer.h"
#include "envoy/config/bootstrap/v3/bootstrap.pb.h"
#include "envoy/event/dispatcher.h"
#include "envoy/extensions/filters/network/http_connection_manager/v3/http_connection_manager.pb.h"
#include "envoy/http/header_map.h"
#include "envoy/network/address.h"
#include "envoy/registry/registry.h"
#include "common/api/api_impl.h"
#include "common/buffer/buffer_impl.h"
#include "common/common/fmt.h"
#include "common/common/thread_annotations.h"
#include "common/http/headers.h"
#include "common/network/utility.h"
#include "common/protobuf/utility.h"
#include "common/runtime/runtime_impl.h"
#include "common/upstream/upstream_impl.h"
#include "test/common/upstream/utility.h"
#include "test/integration/autonomous_upstream.h"
#include "test/integration/test_host_predicate_config.h"
#include "test/integration/utility.h"
#include "test/mocks/upstream/mocks.h"
#include "test/test_common/environment.h"
#include "test/test_common/network_utility.h"
#include "test/test_common/registry.h"
#include "absl/time/time.h"
#include "gtest/gtest.h"
namespace Envoy {
namespace {
envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager::CodecType
typeToCodecType(Http::CodecClient::Type type) {
switch (type) {
case Http::CodecClient::Type::HTTP1:
return envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager::
HTTP1;
case Http::CodecClient::Type::HTTP2:
return envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager::
HTTP2;
case Http::CodecClient::Type::HTTP3:
return envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager::
HTTP3;
default:
RELEASE_ASSERT(0, "");
}
}
} // namespace
IntegrationCodecClient::IntegrationCodecClient(
Event::Dispatcher& dispatcher, Network::ClientConnectionPtr&& conn,
Upstream::HostDescriptionConstSharedPtr host_description, CodecClient::Type type)
: CodecClientProd(type, std::move(conn), host_description, dispatcher), dispatcher_(dispatcher),
callbacks_(*this), codec_callbacks_(*this) {
connection_->addConnectionCallbacks(callbacks_);
setCodecConnectionCallbacks(codec_callbacks_);
dispatcher.run(Event::Dispatcher::RunType::Block);
}
void IntegrationCodecClient::flushWrite() {
connection_->dispatcher().run(Event::Dispatcher::RunType::NonBlock);
// NOTE: We should run blocking until all the body data is flushed.
}
IntegrationStreamDecoderPtr
IntegrationCodecClient::makeHeaderOnlyRequest(const Http::RequestHeaderMap& headers) {
auto response = std::make_unique<IntegrationStreamDecoder>(dispatcher_);
Http::RequestEncoder& encoder = newStream(*response);
encoder.getStream().addCallbacks(*response);
encoder.encodeHeaders(headers, true);
flushWrite();
return response;
}
IntegrationStreamDecoderPtr
IntegrationCodecClient::makeRequestWithBody(const Http::RequestHeaderMap& headers,
uint64_t body_size) {
return makeRequestWithBody(headers, std::string(body_size, 'a'));
}
IntegrationStreamDecoderPtr
IntegrationCodecClient::makeRequestWithBody(const Http::RequestHeaderMap& headers,
const std::string& body) {
auto response = std::make_unique<IntegrationStreamDecoder>(dispatcher_);
Http::RequestEncoder& encoder = newStream(*response);
encoder.getStream().addCallbacks(*response);
encoder.encodeHeaders(headers, false);
Buffer::OwnedImpl data(body);
encoder.encodeData(data, true);
flushWrite();
return response;
}
void IntegrationCodecClient::sendData(Http::RequestEncoder& encoder, absl::string_view data,
bool end_stream) {
Buffer::OwnedImpl buffer_data(data.data(), data.size());
encoder.encodeData(buffer_data, end_stream);
flushWrite();
}
void IntegrationCodecClient::sendData(Http::RequestEncoder& encoder, Buffer::Instance& data,
bool end_stream) {
encoder.encodeData(data, end_stream);
flushWrite();
}
void IntegrationCodecClient::sendData(Http::RequestEncoder& encoder, uint64_t size,
bool end_stream) {
Buffer::OwnedImpl data(std::string(size, 'a'));
sendData(encoder, data, end_stream);
}
void IntegrationCodecClient::sendTrailers(Http::RequestEncoder& encoder,
const Http::RequestTrailerMap& trailers) {
encoder.encodeTrailers(trailers);
flushWrite();
}
void IntegrationCodecClient::sendReset(Http::RequestEncoder& encoder) {
encoder.getStream().resetStream(Http::StreamResetReason::LocalReset);
flushWrite();
}
void IntegrationCodecClient::sendMetadata(Http::RequestEncoder& encoder,
Http::MetadataMap metadata_map) {
Http::MetadataMapPtr metadata_map_ptr = std::make_unique<Http::MetadataMap>(metadata_map);
Http::MetadataMapVector metadata_map_vector;
metadata_map_vector.push_back(std::move(metadata_map_ptr));
encoder.encodeMetadata(metadata_map_vector);
flushWrite();
}
std::pair<Http::RequestEncoder&, IntegrationStreamDecoderPtr>
IntegrationCodecClient::startRequest(const Http::RequestHeaderMap& headers) {
auto response = std::make_unique<IntegrationStreamDecoder>(dispatcher_);
Http::RequestEncoder& encoder = newStream(*response);
encoder.getStream().addCallbacks(*response);
encoder.encodeHeaders(headers, false);
flushWrite();
return {encoder, std::move(response)};
}
bool IntegrationCodecClient::waitForDisconnect(std::chrono::milliseconds time_to_wait) {
Event::TimerPtr wait_timer;
bool wait_timer_triggered = false;
if (time_to_wait.count()) {
wait_timer = connection_->dispatcher().createTimer([this, &wait_timer_triggered] {
connection_->dispatcher().exit();
wait_timer_triggered = true;
});
wait_timer->enableTimer(time_to_wait);
}
connection_->dispatcher().run(Event::Dispatcher::RunType::Block);
// Disable the timer if it was created. This call is harmless if the timer already triggered.
if (wait_timer) {
wait_timer->disableTimer();
}
if (wait_timer_triggered && !disconnected_) {
return false;
}
EXPECT_TRUE(disconnected_);
return true;
}
void IntegrationCodecClient::ConnectionCallbacks::onEvent(Network::ConnectionEvent event) {
parent_.last_connection_event_ = event;
if (event == Network::ConnectionEvent::Connected) {
parent_.connected_ = true;
parent_.connection_->dispatcher().exit();
} else if (event == Network::ConnectionEvent::RemoteClose) {
parent_.disconnected_ = true;
parent_.connection_->dispatcher().exit();
} else {
if (parent_.type() == CodecClient::Type::HTTP3 && !parent_.connected_) {
// Before handshake gets established, any connection failure should exit the loop. I.e. a QUIC
// connection may fail of INVALID_VERSION if both this client doesn't support any of the
// versions the server advertised before handshake established. In this case the connection is
// closed locally and this is in a blocking event loop.
parent_.connection_->dispatcher().exit();
}
parent_.disconnected_ = true;
}
}
IntegrationCodecClientPtr HttpIntegrationTest::makeHttpConnection(uint32_t port) {
return makeHttpConnection(makeClientConnection(port));
}
IntegrationCodecClientPtr
HttpIntegrationTest::makeRawHttpConnection(Network::ClientConnectionPtr&& conn) {
std::shared_ptr<Upstream::MockClusterInfo> cluster{new NiceMock<Upstream::MockClusterInfo>()};
cluster->max_response_headers_count_ = 200;
cluster->http2_options_.set_allow_connect(true);
cluster->http2_options_.set_allow_metadata(true);
cluster->http1_settings_.enable_trailers_ = true;
Upstream::HostDescriptionConstSharedPtr host_description{Upstream::makeTestHostDescription(
cluster, fmt::format("tcp://{}:80", Network::Test::getLoopbackAddressUrlString(version_)))};
return std::make_unique<IntegrationCodecClient>(*dispatcher_, std::move(conn), host_description,
downstream_protocol_);
}
IntegrationCodecClientPtr
HttpIntegrationTest::makeHttpConnection(Network::ClientConnectionPtr&& conn) {
auto codec = makeRawHttpConnection(std::move(conn));
EXPECT_TRUE(codec->connected()) << codec->connection()->transportFailureReason();
return codec;
}
HttpIntegrationTest::HttpIntegrationTest(Http::CodecClient::Type downstream_protocol,
Network::Address::IpVersion version,
const std::string& config)
: HttpIntegrationTest::HttpIntegrationTest(
downstream_protocol,
[version](int) {
return Network::Utility::parseInternetAddress(
Network::Test::getAnyAddressString(version), 0);
},
version, config) {}
HttpIntegrationTest::HttpIntegrationTest(Http::CodecClient::Type downstream_protocol,
const InstanceConstSharedPtrFn& upstream_address_fn,
Network::Address::IpVersion version,
const std::string& config)
: BaseIntegrationTest(upstream_address_fn, version, config),
downstream_protocol_(downstream_protocol) {
// Legacy integration tests expect the default listener to be named "http" for
// lookupPort calls.
config_helper_.renameListener("http");
config_helper_.setClientCodec(typeToCodecType(downstream_protocol_));
}
void HttpIntegrationTest::useAccessLog(absl::string_view format) {
access_log_name_ = TestEnvironment::temporaryPath(TestUtility::uniqueFilename());
ASSERT_TRUE(config_helper_.setAccessLog(access_log_name_, format));
}
HttpIntegrationTest::~HttpIntegrationTest() {
cleanupUpstreamAndDownstream();
test_server_.reset();
fake_upstreams_.clear();
}
void HttpIntegrationTest::setDownstreamProtocol(Http::CodecClient::Type downstream_protocol) {
downstream_protocol_ = downstream_protocol;
config_helper_.setClientCodec(typeToCodecType(downstream_protocol_));
}
ConfigHelper::HttpModifierFunction HttpIntegrationTest::setEnableDownstreamTrailersHttp1() {
return [](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) { hcm.mutable_http_protocol_options()->set_enable_trailers(true); };
}
ConfigHelper::ConfigModifierFunction HttpIntegrationTest::setEnableUpstreamTrailersHttp1() {
return [&](envoy::config::bootstrap::v3::Bootstrap& bootstrap) {
RELEASE_ASSERT(bootstrap.mutable_static_resources()->clusters_size() == 1, "");
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP1) {
auto* cluster = bootstrap.mutable_static_resources()->mutable_clusters(0);
cluster->mutable_http_protocol_options()->set_enable_trailers(true);
}
};
}
IntegrationStreamDecoderPtr HttpIntegrationTest::sendRequestAndWaitForResponse(
const Http::TestRequestHeaderMapImpl& request_headers, uint32_t request_body_size,
const Http::TestResponseHeaderMapImpl& response_headers, uint32_t response_size,
int upstream_index, std::chrono::milliseconds time) {
ASSERT(codec_client_ != nullptr);
// Send the request to Envoy.
IntegrationStreamDecoderPtr response;
if (request_body_size) {
response = codec_client_->makeRequestWithBody(request_headers, request_body_size);
} else {
response = codec_client_->makeHeaderOnlyRequest(request_headers);
}
waitForNextUpstreamRequest(upstream_index, time);
// Send response headers, and end_stream if there is no response body.
upstream_request_->encodeHeaders(response_headers, response_size == 0);
// Send any response data, with end_stream true.
if (response_size) {
upstream_request_->encodeData(response_size, true);
}
// Wait for the response to be read by the codec client.
response->waitForEndStream();
return response;
}
void HttpIntegrationTest::cleanupUpstreamAndDownstream() {
// Close the upstream connection first. If there's an outstanding request,
// closing the client may result in a FIN being sent upstream, and FakeConnectionBase::close
// will interpret that as an unexpected disconnect. The codec client is not
// subject to the same failure mode.
if (fake_upstream_connection_) {
AssertionResult result = fake_upstream_connection_->close();
RELEASE_ASSERT(result, result.message());
result = fake_upstream_connection_->waitForDisconnect();
RELEASE_ASSERT(result, result.message());
fake_upstream_connection_.reset();
}
if (codec_client_) {
codec_client_->close();
}
}
void HttpIntegrationTest::sendRequestAndVerifyResponse(
const Http::TestRequestHeaderMapImpl& request_headers, const int request_size,
const Http::TestResponseHeaderMapImpl& response_headers, const int response_size,
const int backend_idx) {
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = sendRequestAndWaitForResponse(request_headers, request_size, response_headers,
response_size, backend_idx);
verifyResponse(std::move(response), "200", response_headers, std::string(response_size, 'a'));
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(request_size, upstream_request_->bodyLength());
cleanupUpstreamAndDownstream();
}
void HttpIntegrationTest::verifyResponse(IntegrationStreamDecoderPtr response,
const std::string& response_code,
const Http::TestResponseHeaderMapImpl& expected_headers,
const std::string& expected_body) {
EXPECT_TRUE(response->complete());
EXPECT_EQ(response_code, response->headers().Status()->value().getStringView());
expected_headers.iterate(
[](const Http::HeaderEntry& header, void* context) -> Http::HeaderMap::Iterate {
auto response_headers = static_cast<Http::ResponseHeaderMap*>(context);
const Http::HeaderEntry* entry =
response_headers->get(Http::LowerCaseString{std::string(header.key().getStringView())});
EXPECT_NE(entry, nullptr);
EXPECT_EQ(header.value().getStringView(), entry->value().getStringView());
return Http::HeaderMap::Iterate::Continue;
},
const_cast<void*>(static_cast<const void*>(&response->headers())));
EXPECT_EQ(response->body(), expected_body);
}
absl::optional<uint64_t>
HttpIntegrationTest::waitForNextUpstreamRequest(const std::vector<uint64_t>& upstream_indices,
std::chrono::milliseconds connection_wait_timeout) {
absl::optional<uint64_t> upstream_with_request;
// If there is no upstream connection, wait for it to be established.
if (!fake_upstream_connection_) {
AssertionResult result = AssertionFailure();
for (auto upstream_index : upstream_indices) {
result = fake_upstreams_[upstream_index]->waitForHttpConnection(
*dispatcher_, fake_upstream_connection_, connection_wait_timeout, max_request_headers_kb_,
max_request_headers_count_);
if (result) {
upstream_with_request = upstream_index;
break;
}
}
RELEASE_ASSERT(result, result.message());
}
// Wait for the next stream on the upstream connection.
AssertionResult result =
fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_);
RELEASE_ASSERT(result, result.message());
// Wait for the stream to be completely received.
result = upstream_request_->waitForEndStream(*dispatcher_);
RELEASE_ASSERT(result, result.message());
return upstream_with_request;
}
void HttpIntegrationTest::waitForNextUpstreamRequest(
uint64_t upstream_index, std::chrono::milliseconds connection_wait_timeout) {
waitForNextUpstreamRequest(std::vector<uint64_t>({upstream_index}), connection_wait_timeout);
}
void HttpIntegrationTest::checkSimpleRequestSuccess(uint64_t expected_request_size,
uint64_t expected_response_size,
IntegrationStreamDecoder* response) {
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(expected_request_size, upstream_request_->bodyLength());
ASSERT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(expected_response_size, response->body().size());
}
void HttpIntegrationTest::testRouterRequestAndResponseWithBody(
uint64_t request_size, uint64_t response_size, bool big_header, bool set_content_length_header,
ConnectionCreationFunction* create_connection) {
initialize();
codec_client_ = makeHttpConnection(
create_connection ? ((*create_connection)()) : makeClientConnection((lookupPort("http"))));
Http::TestRequestHeaderMapImpl request_headers{
{":method", "POST"}, {":path", "/test/long/url"}, {":scheme", "http"},
{":authority", "host"}, {"x-lyft-user-id", "123"}, {"x-forwarded-for", "10.0.0.1"}};
Http::TestResponseHeaderMapImpl response_headers{{":status", "200"}};
if (set_content_length_header) {
request_headers.setContentLength(request_size);
response_headers.setContentLength(response_size);
}
if (big_header) {
request_headers.addCopy("big", std::string(4096, 'a'));
}
auto response =
sendRequestAndWaitForResponse(request_headers, request_size, response_headers, response_size);
checkSimpleRequestSuccess(request_size, response_size, response.get());
}
IntegrationStreamDecoderPtr
HttpIntegrationTest::makeHeaderOnlyRequest(ConnectionCreationFunction* create_connection,
int upstream_index, const std::string& path,
const std::string& authority) {
// This is called multiple times per test in ads_integration_test. Only call
// initialize() the first time.
if (!initialized()) {
initialize();
}
codec_client_ = makeHttpConnection(
create_connection ? ((*create_connection)()) : makeClientConnection((lookupPort("http"))));
Http::TestRequestHeaderMapImpl request_headers{{":method", "GET"},
{":path", path},
{":scheme", "http"},
{":authority", authority},
{"x-lyft-user-id", "123"}};
return sendRequestAndWaitForResponse(request_headers, 0, default_response_headers_, 0,
upstream_index);
}
void HttpIntegrationTest::testRouterHeaderOnlyRequestAndResponse(
ConnectionCreationFunction* create_connection, int upstream_index, const std::string& path,
const std::string& authority) {
auto response = makeHeaderOnlyRequest(create_connection, upstream_index, path, authority);
checkSimpleRequestSuccess(0U, 0U, response.get());
}
// Change the default route to be restrictive, and send a request to an alternate route.
void HttpIntegrationTest::testRouterNotFound() {
config_helper_.setDefaultHostAndRoute("foo.com", "/found");
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/notfound", "", downstream_protocol_, version_);
ASSERT_TRUE(response->complete());
EXPECT_EQ("404", response->headers().Status()->value().getStringView());
}
// Change the default route to be restrictive, and send a POST to an alternate route.
void HttpIntegrationTest::testRouterNotFoundWithBody() {
config_helper_.setDefaultHostAndRoute("foo.com", "/found");
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "POST", "/notfound", "foo", downstream_protocol_, version_);
ASSERT_TRUE(response->complete());
EXPECT_EQ("404", response->headers().Status()->value().getStringView());
}
// Make sure virtual cluster stats are charged to the appropriate virtual cluster.
void HttpIntegrationTest::testRouterVirtualClusters() {
const std::string matching_header = "x-use-test-vcluster";
config_helper_.addConfigModifier(
[matching_header](
envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) {
auto* route_config = hcm.mutable_route_config();
ASSERT_EQ(1, route_config->virtual_hosts_size());
auto* virtual_host = route_config->mutable_virtual_hosts(0);
{
auto* virtual_cluster = virtual_host->add_virtual_clusters();
virtual_cluster->set_name("test_vcluster");
auto* headers = virtual_cluster->add_headers();
headers->set_name(matching_header);
headers->set_present_match(true);
}
});
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
Http::TestRequestHeaderMapImpl request_headers{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{matching_header, "true"}};
auto response = sendRequestAndWaitForResponse(request_headers, 0, default_response_headers_, 0);
checkSimpleRequestSuccess(0, 0, response.get());
test_server_->waitForCounterEq("vhost.integration.vcluster.test_vcluster.upstream_rq_total", 1);
test_server_->waitForCounterEq("vhost.integration.vcluster.other.upstream_rq_total", 0);
Http::TestRequestHeaderMapImpl request_headers2{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"}};
auto response2 = sendRequestAndWaitForResponse(request_headers2, 0, default_response_headers_, 0);
checkSimpleRequestSuccess(0, 0, response2.get());
test_server_->waitForCounterEq("vhost.integration.vcluster.test_vcluster.upstream_rq_total", 1);
test_server_->waitForCounterEq("vhost.integration.vcluster.other.upstream_rq_total", 1);
}
void HttpIntegrationTest::testRouterUpstreamDisconnectBeforeRequestComplete() {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder = codec_client_->startRequest(default_request_headers_);
auto response = std::move(encoder_decoder.second);
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
ASSERT_TRUE(fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_));
ASSERT_TRUE(upstream_request_->waitForHeadersComplete());
ASSERT_TRUE(fake_upstream_connection_->close());
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
response->waitForEndStream();
if (downstream_protocol_ == Http::CodecClient::Type::HTTP1) {
codec_client_->waitForDisconnect();
} else {
codec_client_->close();
}
EXPECT_FALSE(upstream_request_->complete());
EXPECT_EQ(0U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("503", response->headers().Status()->value().getStringView());
EXPECT_EQ("upstream connect error or disconnect/reset before headers. reset reason: connection "
"termination",
response->body());
}
void HttpIntegrationTest::testRouterUpstreamDisconnectBeforeResponseComplete(
ConnectionCreationFunction* create_connection) {
initialize();
codec_client_ = makeHttpConnection(
create_connection ? ((*create_connection)()) : makeClientConnection((lookupPort("http"))));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
ASSERT_TRUE(fake_upstream_connection_->close());
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
if (downstream_protocol_ == Http::CodecClient::Type::HTTP1) {
codec_client_->waitForDisconnect();
} else {
response->waitForReset();
codec_client_->close();
}
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(0U, upstream_request_->bodyLength());
EXPECT_FALSE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(0U, response->body().size());
}
void HttpIntegrationTest::testRouterDownstreamDisconnectBeforeRequestComplete(
ConnectionCreationFunction* create_connection) {
initialize();
codec_client_ = makeHttpConnection(
create_connection ? ((*create_connection)()) : makeClientConnection((lookupPort("http"))));
auto encoder_decoder = codec_client_->startRequest(default_request_headers_);
auto response = std::move(encoder_decoder.second);
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
ASSERT_TRUE(fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_));
ASSERT_TRUE(upstream_request_->waitForHeadersComplete());
codec_client_->close();
if (upstreamProtocol() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
ASSERT_TRUE(fake_upstream_connection_->close());
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
}
EXPECT_FALSE(upstream_request_->complete());
EXPECT_EQ(0U, upstream_request_->bodyLength());
EXPECT_FALSE(response->complete());
}
void HttpIntegrationTest::testRouterDownstreamDisconnectBeforeResponseComplete(
ConnectionCreationFunction* create_connection) {
#if defined(__APPLE__) || defined(WIN32)
// Skip this test on OS/X + Windows: we can't detect the early close, and we
// won't clean up the upstream connection until it times out. See #4294.
if (downstream_protocol_ == Http::CodecClient::Type::HTTP1) {
return;
}
#endif
initialize();
codec_client_ = makeHttpConnection(
create_connection ? ((*create_connection)()) : makeClientConnection((lookupPort("http"))));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, false);
response->waitForBodyData(512);
codec_client_->close();
if (upstreamProtocol() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
ASSERT_TRUE(fake_upstream_connection_->close());
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
}
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(0U, upstream_request_->bodyLength());
EXPECT_FALSE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(512U, response->body().size());
}
void HttpIntegrationTest::testRouterUpstreamResponseBeforeRequestComplete() {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder = codec_client_->startRequest(default_request_headers_);
auto response = std::move(encoder_decoder.second);
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
ASSERT_TRUE(fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_));
ASSERT_TRUE(upstream_request_->waitForHeadersComplete());
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
response->waitForEndStream();
if (upstreamProtocol() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
ASSERT_TRUE(fake_upstream_connection_->close());
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
}
if (downstream_protocol_ == Http::CodecClient::Type::HTTP1) {
codec_client_->waitForDisconnect();
} else {
codec_client_->close();
}
EXPECT_FALSE(upstream_request_->complete());
EXPECT_EQ(0U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(512U, response->body().size());
}
void HttpIntegrationTest::testRetry() {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeRequestWithBody(
Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}},
1024);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "503"}}, false);
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
}
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(1024U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(512U, response->body().size());
}
// Tests that the x-envoy-attempt-count header is properly set on the upstream request
// and updated after the request is retried.
void HttpIntegrationTest::testRetryAttemptCountHeader() {
auto host = config_helper_.createVirtualHost("host", "/test_retry");
host.set_include_request_attempt_count(true);
host.set_include_attempt_count_in_response(true);
config_helper_.addVirtualHost(host);
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeRequestWithBody(
Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test_retry"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}},
1024);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestResponseHeaderMapImpl{{":status", "503"}}, false);
EXPECT_EQ(
atoi(std::string(upstream_request_->headers().EnvoyAttemptCount()->value().getStringView())
.c_str()),
1);
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
}
waitForNextUpstreamRequest();
EXPECT_EQ(
atoi(std::string(upstream_request_->headers().EnvoyAttemptCount()->value().getStringView())
.c_str()),
2);
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(1024U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(512U, response->body().size());
EXPECT_EQ(
2,
atoi(std::string(response->headers().EnvoyAttemptCount()->value().getStringView()).c_str()));
}
void HttpIntegrationTest::testGrpcRetry() {
Http::TestResponseTrailerMapImpl response_trailers{{"response1", "trailer1"},
{"grpc-status", "0"}};
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder = codec_client_->startRequest(
Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-grpc-on", "cancelled"}});
request_encoder_ = &encoder_decoder.first;
auto response = std::move(encoder_decoder.second);
codec_client_->sendData(*request_encoder_, 1024, true);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(
Http::TestResponseHeaderMapImpl{{":status", "200"}, {"grpc-status", "1"}}, false);
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
}
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512,
fake_upstreams_[0]->httpType() != FakeHttpConnection::Type::HTTP2);
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP2) {
upstream_request_->encodeTrailers(response_trailers);
}
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(1024U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(512U, response->body().size());
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP2) {
EXPECT_THAT(*response->trailers(), HeaderMapEqualRef(&response_trailers));
}
}
void HttpIntegrationTest::testEnvoyHandling100Continue(bool additional_continue_from_upstream,
const std::string& via) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder =
codec_client_->startRequest(Http::TestRequestHeaderMapImpl{{":method", "POST"},
{":path", "/dynamo/url"},
{":scheme", "http"},
{":authority", "host"},
{"expect", "100-continue"}});
request_encoder_ = &encoder_decoder.first;
auto response = std::move(encoder_decoder.second);
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
// The continue headers should arrive immediately.
response->waitForContinueHeaders();
ASSERT_TRUE(fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_));
// Send the rest of the request.
codec_client_->sendData(*request_encoder_, 10, true);
ASSERT_TRUE(upstream_request_->waitForEndStream(*dispatcher_));
// Verify the Expect header is stripped.
EXPECT_EQ(nullptr, upstream_request_->headers().get(Http::Headers::get().Expect));
if (via.empty()) {
EXPECT_EQ(nullptr, upstream_request_->headers().get(Http::Headers::get().Via));
} else {
EXPECT_EQ(via,
upstream_request_->headers().get(Http::Headers::get().Via)->value().getStringView());
}
if (additional_continue_from_upstream) {
// Make sure if upstream sends an 100-Continue Envoy doesn't send its own and proxy the one
// from upstream!
upstream_request_->encode100ContinueHeaders(
Http::TestResponseHeaderMapImpl{{":status", "100"}});
}
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(12, true);
response->waitForEndStream();
ASSERT_TRUE(response->complete());
ASSERT(response->continue_headers() != nullptr);
EXPECT_EQ("100", response->continue_headers()->Status()->value().getStringView());
EXPECT_EQ(nullptr, response->continue_headers()->Via());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
if (via.empty()) {
EXPECT_EQ(nullptr, response->headers().Via());
} else {
EXPECT_EQ(via.c_str(), response->headers().Via()->value().getStringView());
}
}
void HttpIntegrationTest::testEnvoyProxying100Continue(bool continue_before_upstream_complete,
bool with_encoder_filter) {
if (with_encoder_filter) {
// Because 100-continue only affects encoder filters, make sure it plays well with one.
config_helper_.addFilter("name: envoy.filters.http.cors");
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
auto* route_config = hcm.mutable_route_config();
auto* virtual_host = route_config->mutable_virtual_hosts(0);
{
auto* cors = virtual_host->mutable_cors();
cors->mutable_allow_origin_string_match()->Add()->set_exact("*");
cors->set_allow_headers("content-type,x-grpc-web");
cors->set_allow_methods("GET,POST");
}
});
}
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void { hcm.set_proxy_100_continue(true); });
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder =
codec_client_->startRequest(Http::TestRequestHeaderMapImpl{{":method", "GET"},
{":path", "/dynamo/url"},
{":scheme", "http"},
{":authority", "host"},
{"expect", "100-continue"}});
request_encoder_ = &encoder_decoder.first;
auto response = std::move(encoder_decoder.second);
// Wait for the request headers to be received upstream.
ASSERT_TRUE(fake_upstreams_[0]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
ASSERT_TRUE(fake_upstream_connection_->waitForNewStream(*dispatcher_, upstream_request_));
if (continue_before_upstream_complete) {
// This case tests sending on 100-Continue headers before the client has sent all the
// request data.
upstream_request_->encode100ContinueHeaders(
Http::TestResponseHeaderMapImpl{{":status", "100"}});
response->waitForContinueHeaders();
}
// Send all of the request data and wait for it to be received upstream.
codec_client_->sendData(*request_encoder_, 10, true);
ASSERT_TRUE(upstream_request_->waitForEndStream(*dispatcher_));
if (!continue_before_upstream_complete) {
// This case tests forwarding 100-Continue after the client has sent all data.
upstream_request_->encode100ContinueHeaders(
Http::TestResponseHeaderMapImpl{{":status", "100"}});
response->waitForContinueHeaders();
}
// Now send the rest of the response.
upstream_request_->encodeHeaders(default_response_headers_, true);
response->waitForEndStream();
EXPECT_TRUE(response->complete());
ASSERT(response->continue_headers() != nullptr);
EXPECT_EQ("100", response->continue_headers()->Status()->value().getStringView());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
}
void HttpIntegrationTest::testTwoRequests(bool network_backup) {
// if network_backup is false, this simply tests that Envoy can handle multiple
// requests on a connection.
//
// If network_backup is true, the first request will explicitly set the TCP level flow control
// as blocked as it finishes the encode and set a timer to unblock. The second stream should be
// created while the socket appears to be in the high watermark state, and regression tests that
// flow control will be corrected as the socket "becomes unblocked"
if (network_backup) {
config_helper_.addFilter(R"EOF(
name: pause-filter
typed_config:
"@type": type.googleapis.com/google.protobuf.Empty
)EOF");
}
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
// Request 1.
auto response = codec_client_->makeRequestWithBody(default_request_headers_, 1024);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(512, true);
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(1024U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(512U, response->body().size());
// Request 2.
response = codec_client_->makeRequestWithBody(default_request_headers_, 512);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(default_response_headers_, false);
upstream_request_->encodeData(1024, true);
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(512U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
EXPECT_EQ(1024U, response->body().size());
}
void HttpIntegrationTest::testLargeRequestHeaders(uint32_t size, uint32_t count, uint32_t max_size,
uint32_t max_count) {
// `size` parameter dictates the size of each header that will be added to the request and `count`
// parameter is the number of headers to be added. The actual request byte size will exceed `size`
// due to the keys and other headers. The actual request header count will exceed `count` by four
// due to default headers.
config_helper_.addConfigModifier(
[&](envoy::extensions::filters::network::http_connection_manager::v3::HttpConnectionManager&
hcm) -> void {
hcm.mutable_max_request_headers_kb()->set_value(max_size);
hcm.mutable_common_http_protocol_options()->mutable_max_headers_count()->set_value(
max_count);
});
max_request_headers_kb_ = max_size;
max_request_headers_count_ = max_count;
Http::TestRequestHeaderMapImpl big_headers{
{":method", "GET"}, {":path", "/test/long/url"}, {":scheme", "http"}, {":authority", "host"}};
// Already added four headers.
for (unsigned int i = 0; i < count; i++) {
big_headers.addCopy(std::to_string(i), std::string(size * 1024, 'a'));
}
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
if (size >= max_size || count > max_count) {
// header size includes keys too, so expect rejection when equal
auto encoder_decoder = codec_client_->startRequest(big_headers);
auto response = std::move(encoder_decoder.second);
if (downstream_protocol_ == Http::CodecClient::Type::HTTP1) {
codec_client_->waitForDisconnect();
EXPECT_TRUE(response->complete());
EXPECT_EQ("431", response->headers().Status()->value().getStringView());
} else {
response->waitForReset();
codec_client_->close();