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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/event/dispatcher.h"
#include "envoy/http/header_map.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 "gtest/gtest.h"
using testing::_;
using testing::AnyNumber;
using testing::HasSubstr;
using testing::Invoke;
using testing::Not;
namespace Envoy {
namespace {
std::string normalizeDate(const std::string& s) {
const std::regex date_regex("date:[^\r]+");
return std::regex_replace(s, date_regex, "date: Mon, 01 Jan 2017 00:00:00 GMT");
}
void setAllowAbsoluteUrl(
envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager& hcm) {
envoy::api::v2::core::Http1ProtocolOptions options;
options.mutable_allow_absolute_url()->set_value(true);
hcm.mutable_http_protocol_options()->CopyFrom(options);
};
void setAllowHttp10WithDefaultHost(
envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager& hcm) {
hcm.mutable_http_protocol_options()->set_accept_http_10(true);
hcm.mutable_http_protocol_options()->set_default_host_for_http_10("default.com");
}
envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager::CodecType
typeToCodecType(Http::CodecClient::Type type) {
switch (type) {
case Http::CodecClient::Type::HTTP1:
return envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager::
HTTP1;
case Http::CodecClient::Type::HTTP2:
return envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager::
HTTP2;
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::HeaderMap& headers) {
auto response = std::make_unique<IntegrationStreamDecoder>(dispatcher_);
Http::StreamEncoder& encoder = newStream(*response);
encoder.getStream().addCallbacks(*response);
encoder.encodeHeaders(headers, true);
flushWrite();
return response;
}
IntegrationStreamDecoderPtr
IntegrationCodecClient::makeRequestWithBody(const Http::HeaderMap& headers, uint64_t body_size) {
return makeRequestWithBody(headers, std::string(body_size, 'a'));
}
IntegrationStreamDecoderPtr
IntegrationCodecClient::makeRequestWithBody(const Http::HeaderMap& headers,
const std::string& body) {
auto response = std::make_unique<IntegrationStreamDecoder>(dispatcher_);
Http::StreamEncoder& 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::StreamEncoder& 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::StreamEncoder& encoder, Buffer::Instance& data,
bool end_stream) {
encoder.encodeData(data, end_stream);
flushWrite();
}
void IntegrationCodecClient::sendData(Http::StreamEncoder& encoder, uint64_t size,
bool end_stream) {
Buffer::OwnedImpl data(std::string(size, 'a'));
sendData(encoder, data, end_stream);
}
void IntegrationCodecClient::sendTrailers(Http::StreamEncoder& encoder,
const Http::HeaderMap& trailers) {
encoder.encodeTrailers(trailers);
flushWrite();
}
void IntegrationCodecClient::sendReset(Http::StreamEncoder& encoder) {
encoder.getStream().resetStream(Http::StreamResetReason::LocalReset);
flushWrite();
}
std::pair<Http::StreamEncoder&, IntegrationStreamDecoderPtr>
IntegrationCodecClient::startRequest(const Http::HeaderMap& headers) {
auto response = std::make_unique<IntegrationStreamDecoder>(dispatcher_);
Http::StreamEncoder& 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 {
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->http2_settings_.allow_connect_ = true;
cluster->http2_settings_.allow_metadata_ = 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());
return codec;
}
HttpIntegrationTest::HttpIntegrationTest(Http::CodecClient::Type downstream_protocol,
Network::Address::IpVersion version,
TestTimeSystemPtr time_system, const std::string& config)
: BaseIntegrationTest(version, std::move(time_system), 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_));
}
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_));
}
IntegrationStreamDecoderPtr HttpIntegrationTest::sendRequestAndWaitForResponse(
const Http::TestHeaderMapImpl& request_headers, uint32_t request_body_size,
const Http::TestHeaderMapImpl& response_headers, uint32_t response_size, int upstream_index) {
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);
// 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();
}
}
uint64_t
HttpIntegrationTest::waitForNextUpstreamRequest(const std::vector<uint64_t>& upstream_indices) {
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_);
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) {
waitForNextUpstreamRequest(std::vector<uint64_t>({upstream_index}));
}
void HttpIntegrationTest::addFilters(std::vector<std::string> filters) {
for (const auto filter : filters) {
config_helper_.addFilter(filter);
}
}
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_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(expected_response_size, response->body().size());
}
void HttpIntegrationTest::testRouterRequestAndResponseWithBody(
uint64_t request_size, uint64_t response_size, bool big_header,
ConnectionCreationFunction* create_connection) {
initialize();
codec_client_ = makeHttpConnection(
create_connection ? ((*create_connection)()) : makeClientConnection((lookupPort("http"))));
Http::TestHeaderMapImpl request_headers{
{":method", "POST"}, {":path", "/test/long/url"}, {":scheme", "http"},
{":authority", "host"}, {"x-lyft-user-id", "123"}, {"x-forwarded-for", "10.0.0.1"}};
if (big_header) {
request_headers.addCopy("big", std::string(4096, 'a'));
}
auto response = sendRequestAndWaitForResponse(request_headers, request_size,
default_response_headers_, response_size);
checkSimpleRequestSuccess(request_size, response_size, response.get());
}
IntegrationStreamDecoderPtr
HttpIntegrationTest::makeHeaderOnlyRequest(ConnectionCreationFunction* create_connection,
int upstream_index) {
// 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::TestHeaderMapImpl request_headers{{":method", "GET"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{"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) {
auto response = makeHeaderOnlyRequest(create_connection, upstream_index);
checkSimpleRequestSuccess(0U, 0U, response.get());
}
void HttpIntegrationTest::testRequestAndResponseShutdownWithActiveConnection() {
auto response = makeHeaderOnlyRequest(nullptr, 0);
// Shut down the server with active connection pool connections.
fake_upstreams_[0]->set_allow_unexpected_disconnects(true);
test_server_.reset();
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_STREQ("404", response->headers().Status()->value().c_str());
}
// 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_STREQ("404", response->headers().Status()->value().c_str());
}
// Add a route that uses unknown cluster (expect 404 Not Found).
void HttpIntegrationTest::testRouterClusterNotFound404() {
config_helper_.addRoute("foo.com", "/unknown", "unknown_cluster", false,
envoy::api::v2::route::RouteAction::NOT_FOUND,
envoy::api::v2::route::VirtualHost::NONE);
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/unknown", "", downstream_protocol_, version_, "foo.com");
ASSERT_TRUE(response->complete());
EXPECT_STREQ("404", response->headers().Status()->value().c_str());
}
// Add a route that uses unknown cluster (expect 503 Service Unavailable).
void HttpIntegrationTest::testRouterClusterNotFound503() {
config_helper_.addRoute("foo.com", "/unknown", "unknown_cluster", false,
envoy::api::v2::route::RouteAction::SERVICE_UNAVAILABLE,
envoy::api::v2::route::VirtualHost::NONE);
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/unknown", "", downstream_protocol_, version_, "foo.com");
ASSERT_TRUE(response->complete());
EXPECT_STREQ("503", response->headers().Status()->value().c_str());
}
// Add a route which redirects HTTP to HTTPS, and verify Envoy sends a 301
void HttpIntegrationTest::testRouterRedirect() {
config_helper_.addRoute("www.redirect.com", "/", "cluster_0", true,
envoy::api::v2::route::RouteAction::SERVICE_UNAVAILABLE,
envoy::api::v2::route::VirtualHost::ALL);
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/foo", "", downstream_protocol_, version_, "www.redirect.com");
ASSERT_TRUE(response->complete());
EXPECT_STREQ("301", response->headers().Status()->value().c_str());
EXPECT_STREQ("https://www.redirect.com/foo",
response->headers().get(Http::Headers::get().Location)->value().c_str());
}
void HttpIntegrationTest::testRouterDirectResponse() {
const std::string body = "Response body";
const std::string file_path = TestEnvironment::writeStringToFileForTest("test_envoy", body);
static const std::string domain("direct.example.com");
static const std::string prefix("/");
static const Http::Code status(Http::Code::OK);
config_helper_.addConfigModifier(
[&](envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager& hcm)
-> void {
auto* route_config = hcm.mutable_route_config();
auto* header_value_option = route_config->mutable_response_headers_to_add()->Add();
header_value_option->mutable_header()->set_key("x-additional-header");
header_value_option->mutable_header()->set_value("example-value");
header_value_option->mutable_append()->set_value(false);
header_value_option = route_config->mutable_response_headers_to_add()->Add();
header_value_option->mutable_header()->set_key("content-type");
header_value_option->mutable_header()->set_value("text/html");
header_value_option->mutable_append()->set_value(false);
auto* virtual_host = route_config->add_virtual_hosts();
virtual_host->set_name(domain);
virtual_host->add_domains(domain);
virtual_host->add_routes()->mutable_match()->set_prefix(prefix);
virtual_host->mutable_routes(0)->mutable_direct_response()->set_status(
static_cast<uint32_t>(status));
virtual_host->mutable_routes(0)->mutable_direct_response()->mutable_body()->set_filename(
file_path);
});
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "GET", "/", "", downstream_protocol_, version_, "direct.example.com");
ASSERT_TRUE(response->complete());
EXPECT_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_STREQ("example-value", response->headers()
.get(Envoy::Http::LowerCaseString("x-additional-header"))
->value()
.c_str());
EXPECT_STREQ("text/html", response->headers().ContentType()->value().c_str());
EXPECT_EQ(body, response->body());
}
// Add a health check filter and verify correct computation of health based on upstream status.
void HttpIntegrationTest::testComputedHealthCheck() {
config_helper_.addFilter(R"EOF(
name: envoy.health_check
config:
pass_through_mode: false
cluster_min_healthy_percentages:
example_cluster_name: { value: 75 }
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(Http::TestHeaderMapImpl{
{":method", "GET"}, {":path", "/healthcheck"}, {":scheme", "http"}, {":authority", "host"}});
response->waitForEndStream();
EXPECT_TRUE(response->complete());
EXPECT_STREQ("503", response->headers().Status()->value().c_str());
}
void HttpIntegrationTest::testAddEncodedTrailers() {
config_helper_.addFilter(R"EOF(
name: add-trailers-filter
config: {}
)EOF");
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeRequestWithBody(default_request_headers_, 128);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestHeaderMapImpl{{":status", "503"}}, false);
upstream_request_->encodeData(128, true);
response->waitForEndStream();
if (upstreamProtocol() == FakeHttpConnection::Type::HTTP2) {
EXPECT_STREQ("decode", upstream_request_->trailers()->GrpcMessage()->value().c_str());
}
EXPECT_TRUE(response->complete());
EXPECT_STREQ("503", response->headers().Status()->value().c_str());
if (downstream_protocol_ == Http::CodecClient::Type::HTTP2) {
EXPECT_STREQ("encode", response->trailers()->GrpcMessage()->value().c_str());
}
}
// Add a health check filter and verify correct behavior when draining.
void HttpIntegrationTest::testDrainClose() {
config_helper_.addFilter(ConfigHelper::DEFAULT_HEALTH_CHECK_FILTER);
initialize();
test_server_->drainManager().draining_ = true;
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response = codec_client_->makeHeaderOnlyRequest(default_request_headers_);
response->waitForEndStream();
codec_client_->waitForDisconnect();
EXPECT_TRUE(response->complete());
EXPECT_STREQ("200", response->headers().Status()->value().c_str());
if (downstream_protocol_ == Http::CodecClient::Type::HTTP2) {
EXPECT_TRUE(codec_client_->sawGoAway());
}
test_server_->drainManager().draining_ = false;
}
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_STREQ("503", response->headers().Status()->value().c_str());
EXPECT_EQ("upstream connect error or disconnect/reset before headers", 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_STREQ("200", response->headers().Status()->value().c_str());
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) {
#ifdef __APPLE__
// Skip this test on macOS: we can't detect the early close on macOS, 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_STREQ("200", response->headers().Status()->value().c_str());
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_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(512U, response->body().size());
}
void HttpIntegrationTest::testRetry() {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeRequestWithBody(Http::TestHeaderMapImpl{{":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::TestHeaderMapImpl{{":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_STREQ("200", response->headers().Status()->value().c_str());
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() {
config_helper_.addRoute("host", "/test_retry", "cluster_0", false,
envoy::api::v2::route::RouteAction::NOT_FOUND,
envoy::api::v2::route::VirtualHost::NONE, {}, true);
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeRequestWithBody(Http::TestHeaderMapImpl{{":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::TestHeaderMapImpl{{":status", "503"}}, false);
EXPECT_EQ(atoi(upstream_request_->headers().EnvoyAttemptCount()->value().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(upstream_request_->headers().EnvoyAttemptCount()->value().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_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(512U, response->body().size());
}
// Change the default route to be restrictive, and send a request to an alternate route.
void HttpIntegrationTest::testGrpcRouterNotFound() {
config_helper_.setDefaultHostAndRoute("foo.com", "/found");
initialize();
BufferingStreamDecoderPtr response = IntegrationUtil::makeSingleRequest(
lookupPort("http"), "POST", "/service/notfound", "", downstream_protocol_, version_, "host",
Http::Headers::get().ContentTypeValues.Grpc);
ASSERT_TRUE(response->complete());
EXPECT_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(Http::Headers::get().ContentTypeValues.Grpc,
response->headers().ContentType()->value().c_str());
EXPECT_STREQ("12", response->headers().GrpcStatus()->value().c_str());
}
void HttpIntegrationTest::testGrpcRetry() {
Http::TestHeaderMapImpl response_trailers{{"response1", "trailer1"}, {"grpc-status", "0"}};
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto encoder_decoder =
codec_client_->startRequest(Http::TestHeaderMapImpl{{":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::TestHeaderMapImpl{{":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_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(512U, response->body().size());
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP2) {
EXPECT_THAT(*response->trailers(), HeaderMapEqualRef(&response_trailers));
}
}
// Verifies that a retry priority can be configured and affect the host selected during retries.
// The retry priority will always target P1, which would otherwise never be hit due to P0 being
// healthy.
void HttpIntegrationTest::testRetryPriority() {
const Upstream::HealthyLoad healthy_priority_load({0u, 100u});
const Upstream::DegradedLoad degraded_priority_load({0u, 100u});
NiceMock<Upstream::MockRetryPriority> retry_priority(healthy_priority_load,
degraded_priority_load);
Upstream::MockRetryPriorityFactory factory(retry_priority);
Registry::InjectFactory<Upstream::RetryPriorityFactory> inject_factory(factory);
envoy::api::v2::route::RetryPolicy retry_policy;
retry_policy.mutable_retry_priority()->set_name(factory.name());
// Add route with custom retry policy
config_helper_.addRoute("host", "/test_retry", "cluster_0", false,
envoy::api::v2::route::RouteAction::NOT_FOUND,
envoy::api::v2::route::VirtualHost::NONE, retry_policy);
// Use load assignments instead of static hosts. Necessary in order to use priorities.
config_helper_.addConfigModifier([](envoy::config::bootstrap::v2::Bootstrap& bootstrap) {
auto cluster = bootstrap.mutable_static_resources()->mutable_clusters(0);
auto load_assignment = cluster->mutable_load_assignment();
load_assignment->set_cluster_name(cluster->name());
const auto& host_address = cluster->hosts(0).socket_address().address();
for (int i = 0; i < 2; ++i) {
auto locality = load_assignment->add_endpoints();
locality->set_priority(i);
locality->mutable_locality()->set_region("region");
locality->mutable_locality()->set_zone("zone");
locality->mutable_locality()->set_sub_zone("sub_zone" + std::to_string(i));
auto lb_endpoint = locality->add_lb_endpoints();
lb_endpoint->mutable_endpoint()->mutable_address()->mutable_socket_address()->set_address(
host_address);
lb_endpoint->mutable_endpoint()->mutable_address()->mutable_socket_address()->set_port_value(
0);
}
cluster->clear_hosts();
});
fake_upstreams_count_ = 2;
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeRequestWithBody(Http::TestHeaderMapImpl{{":method", "POST"},
{":path", "/test_retry"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}},
1024);
// Note how we're expecting each upstream request to hit the same upstream.
waitForNextUpstreamRequest(0);
upstream_request_->encodeHeaders(Http::TestHeaderMapImpl{{":status", "503"}}, false);
if (fake_upstreams_[0]->httpType() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
ASSERT_TRUE(fake_upstreams_[1]->waitForHttpConnection(*dispatcher_, fake_upstream_connection_));
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
}
waitForNextUpstreamRequest(1);
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_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(512U, response->body().size());
}
//
// Verifies that a retry host filter can be configured and affect the host selected during retries.
// The predicate will keep track of the first host attempted, and attempt to route all requests to
// the same host. With a total of two upstream hosts, this should result in us continuously sending
// requests to the same host.
void HttpIntegrationTest::testRetryHostPredicateFilter() {
TestHostPredicateFactory predicate_factory;
Registry::InjectFactory<Upstream::RetryHostPredicateFactory> inject_factory(predicate_factory);
envoy::api::v2::route::RetryPolicy retry_policy;
retry_policy.add_retry_host_predicate()->set_name(predicate_factory.name());
// Add route with custom retry policy
config_helper_.addRoute("host", "/test_retry", "cluster_0", false,
envoy::api::v2::route::RouteAction::NOT_FOUND,
envoy::api::v2::route::VirtualHost::NONE, retry_policy);
// We want to work with a cluster with two hosts.
config_helper_.addConfigModifier([](envoy::config::bootstrap::v2::Bootstrap& bootstrap) {
auto* new_host = bootstrap.mutable_static_resources()->mutable_clusters(0)->add_hosts();
new_host->MergeFrom(bootstrap.static_resources().clusters(0).hosts(0));
});
fake_upstreams_count_ = 2;
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeRequestWithBody(Http::TestHeaderMapImpl{{":method", "POST"},
{":path", "/test_retry"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}},
1024);
// Note how we're expecting each upstream request to hit the same upstream.
auto upstream_idx = waitForNextUpstreamRequest({0, 1});
upstream_request_->encodeHeaders(Http::TestHeaderMapImpl{{":status", "503"}}, false);
if (fake_upstreams_[upstream_idx]->httpType() == FakeHttpConnection::Type::HTTP1) {
ASSERT_TRUE(fake_upstream_connection_->waitForDisconnect());
ASSERT_TRUE(fake_upstreams_[upstream_idx]->waitForHttpConnection(*dispatcher_,
fake_upstream_connection_));
} else {
ASSERT_TRUE(upstream_request_->waitForReset());
}
waitForNextUpstreamRequest(upstream_idx);
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_STREQ("200", response->headers().Status()->value().c_str());
EXPECT_EQ(512U, response->body().size());
}
// Very similar set-up to testRetry but with a 16k request the request will not
// be buffered and the 503 will be returned to the user.
void HttpIntegrationTest::testRetryHittingBufferLimit() {
config_helper_.setBufferLimits(1024, 1024); // Set buffer limits upstream and downstream.
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
auto response =
codec_client_->makeRequestWithBody(Http::TestHeaderMapImpl{{":method", "POST"},
{":path", "/test/long/url"},
{":scheme", "http"},
{":authority", "host"},
{"x-forwarded-for", "10.0.0.1"},
{"x-envoy-retry-on", "5xx"}},
1024 * 65);
waitForNextUpstreamRequest();
upstream_request_->encodeHeaders(Http::TestHeaderMapImpl{{":status", "503"}}, true);
response->waitForEndStream();
EXPECT_TRUE(upstream_request_->complete());
EXPECT_EQ(66560U, upstream_request_->bodyLength());
EXPECT_TRUE(response->complete());
EXPECT_STREQ("503", response->headers().Status()->value().c_str());
}
// Test hitting the dynamo filter with too many request bytes to buffer. Ensure the connection
// manager sends a 413.