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server_test.cc
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#include <memory>
#include "envoy/common/scope_tracker.h"
#include "envoy/config/core/v3/base.pb.h"
#include "envoy/network/exception.h"
#include "envoy/server/bootstrap_extension_config.h"
#include "envoy/server/fatal_action_config.h"
#include "common/common/assert.h"
#include "common/network/address_impl.h"
#include "common/network/listen_socket_impl.h"
#include "common/network/socket_option_impl.h"
#include "common/protobuf/protobuf.h"
#include "common/thread_local/thread_local_impl.h"
#include "common/version/version.h"
#include "server/process_context_impl.h"
#include "server/server.h"
#include "test/common/config/dummy_config.pb.h"
#include "test/common/stats/stat_test_utility.h"
#include "test/integration/server.h"
#include "test/mocks/server/bootstrap_extension_factory.h"
#include "test/mocks/server/fatal_action_factory.h"
#include "test/mocks/server/hot_restart.h"
#include "test/mocks/server/instance.h"
#include "test/mocks/server/options.h"
#include "test/mocks/server/overload_manager.h"
#include "test/mocks/stats/mocks.h"
#include "test/test_common/environment.h"
#include "test/test_common/logging.h"
#include "test/test_common/registry.h"
#include "test/test_common/simulated_time_system.h"
#include "test/test_common/test_time.h"
#include "test/test_common/utility.h"
#include "absl/synchronization/notification.h"
#include "gtest/gtest.h"
using testing::_;
using testing::Assign;
using testing::HasSubstr;
using testing::InSequence;
using testing::Invoke;
using testing::InvokeWithoutArgs;
using testing::Return;
using testing::SaveArg;
using testing::StrictMock;
namespace Envoy {
namespace Server {
namespace {
TEST(ServerInstanceUtil, flushHelper) {
InSequence s;
Stats::TestUtil::TestStore store;
Event::SimulatedTimeSystem time_system;
Stats::Counter& c = store.counter("hello");
c.inc();
store.gauge("world", Stats::Gauge::ImportMode::Accumulate).set(5);
store.histogram("histogram", Stats::Histogram::Unit::Unspecified);
store.textReadout("text").set("is important");
std::list<Stats::SinkPtr> sinks;
InstanceUtil::flushMetricsToSinks(sinks, store, time_system);
// Make sure that counters have been latched even if there are no sinks.
EXPECT_EQ(1UL, c.value());
EXPECT_EQ(0, c.latch());
Stats::MockSink* sink = new StrictMock<Stats::MockSink>();
sinks.emplace_back(sink);
EXPECT_CALL(*sink, flush(_)).WillOnce(Invoke([](Stats::MetricSnapshot& snapshot) {
ASSERT_EQ(snapshot.counters().size(), 1);
EXPECT_EQ(snapshot.counters()[0].counter_.get().name(), "hello");
EXPECT_EQ(snapshot.counters()[0].delta_, 1);
ASSERT_EQ(snapshot.gauges().size(), 1);
EXPECT_EQ(snapshot.gauges()[0].get().name(), "world");
EXPECT_EQ(snapshot.gauges()[0].get().value(), 5);
ASSERT_EQ(snapshot.textReadouts().size(), 1);
EXPECT_EQ(snapshot.textReadouts()[0].get().name(), "text");
EXPECT_EQ(snapshot.textReadouts()[0].get().value(), "is important");
}));
c.inc();
InstanceUtil::flushMetricsToSinks(sinks, store, time_system);
// Histograms don't currently work with the isolated store so test those with a mock store.
NiceMock<Stats::MockStore> mock_store;
Stats::ParentHistogramSharedPtr parent_histogram(new Stats::MockParentHistogram());
std::vector<Stats::ParentHistogramSharedPtr> parent_histograms = {parent_histogram};
ON_CALL(mock_store, histograms).WillByDefault(Return(parent_histograms));
EXPECT_CALL(*sink, flush(_)).WillOnce(Invoke([](Stats::MetricSnapshot& snapshot) {
EXPECT_TRUE(snapshot.counters().empty());
EXPECT_TRUE(snapshot.gauges().empty());
EXPECT_EQ(snapshot.histograms().size(), 1);
EXPECT_TRUE(snapshot.textReadouts().empty());
}));
InstanceUtil::flushMetricsToSinks(sinks, mock_store, time_system);
}
class RunHelperTest : public testing::Test {
public:
RunHelperTest() {
InSequence s;
#ifndef WIN32
sigterm_ = new Event::MockSignalEvent(&dispatcher_);
sigint_ = new Event::MockSignalEvent(&dispatcher_);
sigusr1_ = new Event::MockSignalEvent(&dispatcher_);
sighup_ = new Event::MockSignalEvent(&dispatcher_);
#endif
EXPECT_CALL(overload_manager_, start());
EXPECT_CALL(cm_, setInitializedCb(_)).WillOnce(SaveArg<0>(&cm_init_callback_));
ON_CALL(server_, shutdown()).WillByDefault(Assign(&shutdown_, true));
helper_ = std::make_unique<RunHelper>(server_, options_, dispatcher_, cm_, access_log_manager_,
init_manager_, overload_manager_,
[this] { start_workers_.ready(); });
}
NiceMock<MockInstance> server_;
testing::NiceMock<MockOptions> options_;
NiceMock<Event::MockDispatcher> dispatcher_;
NiceMock<Upstream::MockClusterManager> cm_;
NiceMock<AccessLog::MockAccessLogManager> access_log_manager_;
NiceMock<MockOverloadManager> overload_manager_;
Init::ManagerImpl init_manager_{""};
ReadyWatcher start_workers_;
std::unique_ptr<RunHelper> helper_;
std::function<void()> cm_init_callback_;
#ifndef WIN32
Event::MockSignalEvent* sigterm_;
Event::MockSignalEvent* sigint_;
Event::MockSignalEvent* sigusr1_;
Event::MockSignalEvent* sighup_;
#endif
bool shutdown_ = false;
};
TEST_F(RunHelperTest, Normal) {
EXPECT_CALL(start_workers_, ready());
cm_init_callback_();
}
// no signals on Windows
#ifndef WIN32
TEST_F(RunHelperTest, ShutdownBeforeCmInitialize) {
EXPECT_CALL(start_workers_, ready()).Times(0);
sigterm_->callback_();
EXPECT_CALL(server_, isShutdown()).WillOnce(Return(shutdown_));
cm_init_callback_();
}
#endif
// no signals on Windows
#ifndef WIN32
TEST_F(RunHelperTest, ShutdownBeforeInitManagerInit) {
EXPECT_CALL(start_workers_, ready()).Times(0);
Init::ExpectableTargetImpl target;
init_manager_.add(target);
EXPECT_CALL(target, initialize());
cm_init_callback_();
sigterm_->callback_();
EXPECT_CALL(server_, isShutdown()).WillOnce(Return(shutdown_));
target.ready();
}
#endif
class InitializingInitManager : public Init::ManagerImpl {
public:
InitializingInitManager(absl::string_view name) : Init::ManagerImpl(name) {}
State state() const override { return State::Initializing; }
};
// Class creates minimally viable server instance for testing.
class ServerInstanceImplTestBase {
protected:
void initialize(const std::string& bootstrap_path) { initialize(bootstrap_path, false); }
void initialize(const std::string& bootstrap_path, const bool use_intializing_instance) {
if (options_.config_path_.empty()) {
options_.config_path_ = TestEnvironment::temporaryFileSubstitute(
bootstrap_path, {{"upstream_0", 0}, {"upstream_1", 0}}, version_);
}
thread_local_ = std::make_unique<ThreadLocal::InstanceImpl>();
if (process_object_ != nullptr) {
process_context_ = std::make_unique<ProcessContextImpl>(*process_object_);
}
init_manager_ = use_intializing_instance ? std::make_unique<InitializingInitManager>("Server")
: std::make_unique<Init::ManagerImpl>("Server");
server_ = std::make_unique<InstanceImpl>(
*init_manager_, options_, time_system_,
std::make_shared<Network::Address::Ipv4Instance>("127.0.0.1"), hooks_, restart_,
stats_store_, fakelock_, component_factory_,
std::make_unique<NiceMock<Random::MockRandomGenerator>>(), *thread_local_,
Thread::threadFactoryForTest(), Filesystem::fileSystemForTest(),
std::move(process_context_));
EXPECT_TRUE(server_->api().fileSystem().fileExists(std::string(Platform::null_device_path)));
}
void initializeWithHealthCheckParams(const std::string& bootstrap_path, const double timeout,
const double interval) {
options_.config_path_ = TestEnvironment::temporaryFileSubstitute(
bootstrap_path,
{{"health_check_timeout", fmt::format("{}", timeout).c_str()},
{"health_check_interval", fmt::format("{}", interval).c_str()}},
TestEnvironment::PortMap{}, version_);
thread_local_ = std::make_unique<ThreadLocal::InstanceImpl>();
init_manager_ = std::make_unique<Init::ManagerImpl>("Server");
server_ = std::make_unique<InstanceImpl>(
*init_manager_, options_, time_system_,
std::make_shared<Network::Address::Ipv4Instance>("127.0.0.1"), hooks_, restart_,
stats_store_, fakelock_, component_factory_,
std::make_unique<NiceMock<Random::MockRandomGenerator>>(), *thread_local_,
Thread::threadFactoryForTest(), Filesystem::fileSystemForTest(), nullptr);
EXPECT_TRUE(server_->api().fileSystem().fileExists(std::string(Platform::null_device_path)));
}
Thread::ThreadPtr startTestServer(const std::string& bootstrap_path,
const bool use_intializing_instance) {
absl::Notification started;
absl::Notification post_init;
auto server_thread = Thread::threadFactoryForTest().createThread([&] {
initialize(bootstrap_path, use_intializing_instance);
auto startup_handle = server_->registerCallback(ServerLifecycleNotifier::Stage::Startup,
[&] { started.Notify(); });
auto post_init_handle = server_->registerCallback(ServerLifecycleNotifier::Stage::PostInit,
[&] { post_init.Notify(); });
auto shutdown_handle = server_->registerCallback(ServerLifecycleNotifier::Stage::ShutdownExit,
[&](Event::PostCb) { FAIL(); });
shutdown_handle = nullptr; // unregister callback
server_->run();
startup_handle = nullptr;
post_init_handle = nullptr;
server_ = nullptr;
thread_local_ = nullptr;
});
started.WaitForNotification();
post_init.WaitForNotification();
return server_thread;
}
void expectCorrectBuildVersion(const envoy::config::core::v3::BuildVersion& build_version) {
std::string version_string =
absl::StrCat(build_version.version().major_number(), ".",
build_version.version().minor_number(), ".", build_version.version().patch());
const auto& fields = build_version.metadata().fields();
if (fields.find(BuildVersionMetadataKeys::get().BuildLabel) != fields.end()) {
absl::StrAppend(&version_string, "-",
fields.at(BuildVersionMetadataKeys::get().BuildLabel).string_value());
}
EXPECT_EQ(BUILD_VERSION_NUMBER, version_string);
}
Network::Address::IpVersion version_;
testing::NiceMock<MockOptions> options_;
DefaultListenerHooks hooks_;
testing::NiceMock<MockHotRestart> restart_;
ThreadLocal::InstanceImplPtr thread_local_;
Stats::TestIsolatedStoreImpl stats_store_;
Thread::MutexBasicLockable fakelock_;
TestComponentFactory component_factory_;
Event::GlobalTimeSystem time_system_;
ProcessObject* process_object_ = nullptr;
std::unique_ptr<ProcessContextImpl> process_context_;
std::unique_ptr<Init::Manager> init_manager_;
std::unique_ptr<InstanceImpl> server_;
};
class ServerInstanceImplTest : public ServerInstanceImplTestBase,
public testing::TestWithParam<Network::Address::IpVersion> {
protected:
ServerInstanceImplTest() { version_ = GetParam(); }
};
// Custom StatsSink that just increments a counter when flush is called.
class CustomStatsSink : public Stats::Sink {
public:
CustomStatsSink(Stats::Scope& scope) : stats_flushed_(scope.counterFromString("stats.flushed")) {}
// Stats::Sink
void flush(Stats::MetricSnapshot&) override { stats_flushed_.inc(); }
void onHistogramComplete(const Stats::Histogram&, uint64_t) override {}
private:
Stats::Counter& stats_flushed_;
};
// Custom StatsSinkFactory that creates CustomStatsSink.
class CustomStatsSinkFactory : public Server::Configuration::StatsSinkFactory {
public:
// StatsSinkFactory
Stats::SinkPtr createStatsSink(const Protobuf::Message&,
Server::Configuration::ServerFactoryContext& server) override {
return std::make_unique<CustomStatsSink>(server.scope());
}
ProtobufTypes::MessagePtr createEmptyConfigProto() override {
// Using Struct instead of a custom per-filter empty config proto
// This is only allowed in tests.
return ProtobufTypes::MessagePtr{new Envoy::ProtobufWkt::Struct()};
}
std::string name() const override { return "envoy.custom_stats_sink"; }
};
INSTANTIATE_TEST_SUITE_P(IpVersions, ServerInstanceImplTest,
testing::ValuesIn(TestEnvironment::getIpVersionsForTest()),
TestUtility::ipTestParamsToString);
// Validates that server stats are flushed even when server is stuck with initialization.
TEST_P(ServerInstanceImplTest, StatsFlushWhenServerIsStillInitializing) {
CustomStatsSinkFactory factory;
Registry::InjectFactory<Server::Configuration::StatsSinkFactory> registered(factory);
auto server_thread =
startTestServer("test/server/test_data/server/stats_sink_bootstrap.yaml", true);
// Wait till stats are flushed to custom sink and validate that the actual flush happens.
TestUtility::waitForCounterEq(stats_store_, "stats.flushed", 1, time_system_);
EXPECT_EQ(3L, TestUtility::findGauge(stats_store_, "server.state")->value());
EXPECT_EQ(Init::Manager::State::Initializing, server_->initManager().state());
server_->dispatcher().post([&] { server_->shutdown(); });
server_thread->join();
}
// Validates that the "server.version" is updated with stats_server_version_override from bootstrap.
TEST_P(ServerInstanceImplTest, ProxyVersionOveridesFromBootstrap) {
auto server_thread =
startTestServer("test/server/test_data/server/proxy_version_bootstrap.yaml", true);
EXPECT_EQ(100012001, TestUtility::findGauge(stats_store_, "server.version")->value());
server_->dispatcher().post([&] { server_->shutdown(); });
server_thread->join();
}
TEST_P(ServerInstanceImplTest, EmptyShutdownLifecycleNotifications) {
auto server_thread = startTestServer("test/server/test_data/server/node_bootstrap.yaml", false);
server_->dispatcher().post([&] { server_->shutdown(); });
server_thread->join();
// Validate that initialization_time histogram value has been set.
EXPECT_TRUE(stats_store_
.histogramFromString("server.initialization_time_ms",
Stats::Histogram::Unit::Milliseconds)
.used());
EXPECT_EQ(0L, TestUtility::findGauge(stats_store_, "server.state")->value());
}
TEST_P(ServerInstanceImplTest, LifecycleNotifications) {
bool startup = false, post_init = false, shutdown = false, shutdown_with_completion = false;
absl::Notification started, post_init_fired, shutdown_begin, completion_block, completion_done;
// Run the server in a separate thread so we can test different lifecycle stages.
auto server_thread = Thread::threadFactoryForTest().createThread([&] {
initialize("test/server/test_data/server/node_bootstrap.yaml");
auto handle1 = server_->registerCallback(ServerLifecycleNotifier::Stage::Startup, [&] {
startup = true;
started.Notify();
});
auto handle2 = server_->registerCallback(ServerLifecycleNotifier::Stage::PostInit, [&] {
post_init = true;
post_init_fired.Notify();
});
auto handle3 = server_->registerCallback(ServerLifecycleNotifier::Stage::ShutdownExit, [&] {
shutdown = true;
shutdown_begin.Notify();
});
auto handle4 = server_->registerCallback(ServerLifecycleNotifier::Stage::ShutdownExit,
[&](Event::PostCb completion_cb) {
// Block till we're told to complete
completion_block.WaitForNotification();
shutdown_with_completion = true;
server_->dispatcher().post(completion_cb);
completion_done.Notify();
});
auto handle5 =
server_->registerCallback(ServerLifecycleNotifier::Stage::Startup, [&] { FAIL(); });
handle5 = server_->registerCallback(ServerLifecycleNotifier::Stage::ShutdownExit,
[&](Event::PostCb) { FAIL(); });
handle5 = nullptr;
server_->run();
handle1 = nullptr;
handle2 = nullptr;
handle3 = nullptr;
handle4 = nullptr;
server_ = nullptr;
thread_local_ = nullptr;
});
started.WaitForNotification();
EXPECT_TRUE(startup);
EXPECT_FALSE(shutdown);
EXPECT_TRUE(TestUtility::findGauge(stats_store_, "server.state")->used());
EXPECT_EQ(0L, TestUtility::findGauge(stats_store_, "server.state")->value());
post_init_fired.WaitForNotification();
EXPECT_TRUE(post_init);
EXPECT_FALSE(shutdown);
server_->dispatcher().post([&] { server_->shutdown(); });
shutdown_begin.WaitForNotification();
EXPECT_TRUE(shutdown);
// Expect the server to block waiting for the completion callback to be invoked
EXPECT_FALSE(completion_done.WaitForNotificationWithTimeout(absl::Seconds(1)));
completion_block.Notify();
completion_done.WaitForNotification();
EXPECT_TRUE(shutdown_with_completion);
server_thread->join();
}
// A test target which never signals that it is ready.
class NeverReadyTarget : public Init::TargetImpl {
public:
NeverReadyTarget(absl::Notification& initialized)
: Init::TargetImpl("test", [this] { initialize(); }), initialized_(initialized) {}
private:
void initialize() { initialized_.Notify(); }
absl::Notification& initialized_;
};
TEST_P(ServerInstanceImplTest, NoLifecycleNotificationOnEarlyShutdown) {
absl::Notification initialized;
auto server_thread = Thread::threadFactoryForTest().createThread([&] {
initialize("test/server/test_data/server/node_bootstrap.yaml");
// This shutdown notification should never be called because we will shutdown
// early before the init manager finishes initializing and therefore before
// the server starts worker threads.
auto shutdown_handle = server_->registerCallback(ServerLifecycleNotifier::Stage::ShutdownExit,
[&](Event::PostCb) { FAIL(); });
NeverReadyTarget target(initialized);
server_->initManager().add(target);
server_->run();
shutdown_handle = nullptr;
server_ = nullptr;
thread_local_ = nullptr;
});
// Wait until the init manager starts initializing targets...
initialized.WaitForNotification();
// Now shutdown the main dispatcher and trigger server lifecycle notifications.
server_->dispatcher().post([&] { server_->shutdown(); });
server_thread->join();
}
TEST_P(ServerInstanceImplTest, V2ConfigOnly) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
try {
initialize("test/server/test_data/server/unparseable_bootstrap.yaml");
FAIL();
} catch (const EnvoyException& e) {
EXPECT_THAT(e.what(), HasSubstr("Unable to parse JSON as proto"));
}
}
TEST_P(ServerInstanceImplTest, Stats) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.concurrency_ = 2;
options_.hot_restart_epoch_ = 3;
EXPECT_NO_THROW(initialize("test/server/test_data/server/empty_bootstrap.yaml"));
EXPECT_NE(nullptr, TestUtility::findCounter(stats_store_, "main_thread.watchdog_miss"));
EXPECT_NE(nullptr, TestUtility::findCounter(stats_store_, "workers.watchdog_miss"));
EXPECT_EQ(2L, TestUtility::findGauge(stats_store_, "server.concurrency")->value());
EXPECT_EQ(3L, TestUtility::findGauge(stats_store_, "server.hot_restart_epoch")->value());
// The ENVOY_BUG stat works in release mode.
#if defined(NDEBUG)
// Test exponential back-off on a fixed line ENVOY_BUG.
for (int i = 0; i < 16; i++) {
ENVOY_BUG(false, "");
}
EXPECT_EQ(5L, TestUtility::findCounter(stats_store_, "server.envoy_bug_failures")->value());
// Another ENVOY_BUG increments the counter.
ENVOY_BUG(false, "Testing envoy bug assertion failure detection in release build.");
EXPECT_EQ(6L, TestUtility::findCounter(stats_store_, "server.envoy_bug_failures")->value());
#else
// The ENVOY_BUG macro aborts in debug mode.
EXPECT_DEATH(ENVOY_BUG(false, ""), "");
#endif
// The ASSERT stat only works in this configuration.
#if defined(NDEBUG) && defined(ENVOY_LOG_DEBUG_ASSERT_IN_RELEASE)
ASSERT(false, "Testing debug assertion failure detection in release build.");
EXPECT_EQ(1L, TestUtility::findCounter(stats_store_, "server.debug_assertion_failures")->value());
#else
EXPECT_EQ(0L, TestUtility::findCounter(stats_store_, "server.debug_assertion_failures")->value());
#endif
}
class ServerStatsTest
: public Event::TestUsingSimulatedTime,
public ServerInstanceImplTestBase,
public testing::TestWithParam<std::tuple<Network::Address::IpVersion, bool>> {
protected:
ServerStatsTest() {
version_ = std::get<0>(GetParam());
manual_flush_ = std::get<1>(GetParam());
}
void flushStats() {
if (manual_flush_) {
server_->flushStats();
server_->dispatcher().run(Event::Dispatcher::RunType::Block);
} else {
// Default flush interval is 5 seconds.
simTime().advanceTimeAndRun(std::chrono::seconds(6), server_->dispatcher(),
Event::Dispatcher::RunType::Block);
}
}
bool manual_flush_;
};
std::string ipFlushingModeTestParamsToString(
const ::testing::TestParamInfo<std::tuple<Network::Address::IpVersion, bool>>& params) {
return fmt::format(
"{}_{}",
TestUtility::ipTestParamsToString(
::testing::TestParamInfo<Network::Address::IpVersion>(std::get<0>(params.param), 0)),
std::get<1>(params.param) ? "with_manual_flush" : "with_time_based_flush");
}
INSTANTIATE_TEST_SUITE_P(
IpVersionsFlushingMode, ServerStatsTest,
testing::Combine(testing::ValuesIn(TestEnvironment::getIpVersionsForTest()), testing::Bool()),
ipFlushingModeTestParamsToString);
TEST_P(ServerStatsTest, FlushStats) {
initialize("test/server/test_data/server/empty_bootstrap.yaml");
Stats::Gauge& recent_lookups = stats_store_.gaugeFromString(
"server.stats_recent_lookups", Stats::Gauge::ImportMode::NeverImport);
EXPECT_EQ(0, recent_lookups.value());
flushStats();
uint64_t strobed_recent_lookups = recent_lookups.value();
EXPECT_LT(100, strobed_recent_lookups); // Recently this was 319 but exact value not important.
Stats::StatNameSetPtr test_set = stats_store_.symbolTable().makeSet("test");
// When we remember a StatNameSet builtin, we charge only for the SymbolTable
// lookup, which requires a lock.
test_set->rememberBuiltin("a.b");
flushStats();
EXPECT_EQ(1, recent_lookups.value() - strobed_recent_lookups);
strobed_recent_lookups = recent_lookups.value();
// When we create a dynamic stat, there are no locks taken.
Stats::StatNameDynamicStorage dynamic_stat("c.d", stats_store_.symbolTable());
flushStats();
EXPECT_EQ(recent_lookups.value(), strobed_recent_lookups);
}
TEST_P(ServerInstanceImplTest, FlushStatsOnAdmin) {
CustomStatsSinkFactory factory;
Registry::InjectFactory<Server::Configuration::StatsSinkFactory> registered(factory);
options_.bootstrap_version_ = 3;
auto server_thread =
startTestServer("test/server/test_data/server/stats_sink_manual_flush_bootstrap.yaml", true);
EXPECT_TRUE(server_->statsConfig().flushOnAdmin());
EXPECT_EQ(std::chrono::seconds(5), server_->statsConfig().flushInterval());
auto counter = TestUtility::findCounter(stats_store_, "stats.flushed");
time_system_.advanceTimeWait(std::chrono::seconds(6));
EXPECT_EQ(0L, counter->value());
// Flush via admin.
Http::TestResponseHeaderMapImpl response_headers;
std::string body;
EXPECT_EQ(Http::Code::OK, server_->admin().request("/stats", "GET", response_headers, body));
EXPECT_EQ(1L, counter->value());
time_system_.advanceTimeWait(std::chrono::seconds(6));
EXPECT_EQ(1L, counter->value());
server_->dispatcher().post([&] { server_->shutdown(); });
server_thread->join();
}
// Default validation mode
TEST_P(ServerInstanceImplTest, ValidationDefault) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
EXPECT_NO_THROW(initialize("test/server/test_data/server/empty_bootstrap.yaml"));
EXPECT_THAT_THROWS_MESSAGE(
server_->messageValidationContext().staticValidationVisitor().onUnknownField("foo"),
EnvoyException, "Protobuf message (foo) has unknown fields");
EXPECT_EQ(0, TestUtility::findCounter(stats_store_, "server.static_unknown_fields")->value());
EXPECT_NO_THROW(
server_->messageValidationContext().dynamicValidationVisitor().onUnknownField("bar"));
EXPECT_EQ(1, TestUtility::findCounter(stats_store_, "server.dynamic_unknown_fields")->value());
}
// Validation mode with --allow-unknown-static-fields
TEST_P(ServerInstanceImplTest, ValidationAllowStatic) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.allow_unknown_static_fields_ = true;
EXPECT_NO_THROW(initialize("test/server/test_data/server/empty_bootstrap.yaml"));
EXPECT_NO_THROW(
server_->messageValidationContext().staticValidationVisitor().onUnknownField("foo"));
EXPECT_EQ(1, TestUtility::findCounter(stats_store_, "server.static_unknown_fields")->value());
EXPECT_NO_THROW(
server_->messageValidationContext().dynamicValidationVisitor().onUnknownField("bar"));
EXPECT_EQ(1, TestUtility::findCounter(stats_store_, "server.dynamic_unknown_fields")->value());
}
// Validation mode with --reject-unknown-dynamic-fields
TEST_P(ServerInstanceImplTest, ValidationRejectDynamic) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.reject_unknown_dynamic_fields_ = true;
options_.ignore_unknown_dynamic_fields_ = true; // reject takes precedence over ignore
EXPECT_NO_THROW(initialize("test/server/test_data/server/empty_bootstrap.yaml"));
EXPECT_THAT_THROWS_MESSAGE(
server_->messageValidationContext().staticValidationVisitor().onUnknownField("foo"),
EnvoyException, "Protobuf message (foo) has unknown fields");
EXPECT_EQ(0, TestUtility::findCounter(stats_store_, "server.static_unknown_fields")->value());
EXPECT_THAT_THROWS_MESSAGE(
server_->messageValidationContext().dynamicValidationVisitor().onUnknownField("bar"),
EnvoyException, "Protobuf message (bar) has unknown fields");
EXPECT_EQ(0, TestUtility::findCounter(stats_store_, "server.dynamic_unknown_fields")->value());
}
// Validation mode with --allow-unknown-static-fields --reject-unknown-dynamic-fields
TEST_P(ServerInstanceImplTest, ValidationAllowStaticRejectDynamic) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.allow_unknown_static_fields_ = true;
options_.reject_unknown_dynamic_fields_ = true;
EXPECT_NO_THROW(initialize("test/server/test_data/server/empty_bootstrap.yaml"));
EXPECT_NO_THROW(
server_->messageValidationContext().staticValidationVisitor().onUnknownField("foo"));
EXPECT_EQ(1, TestUtility::findCounter(stats_store_, "server.static_unknown_fields")->value());
EXPECT_THAT_THROWS_MESSAGE(
server_->messageValidationContext().dynamicValidationVisitor().onUnknownField("bar"),
EnvoyException, "Protobuf message (bar) has unknown fields");
EXPECT_EQ(0, TestUtility::findCounter(stats_store_, "server.dynamic_unknown_fields")->value());
}
// Validate server localInfo() from bootstrap Node.
// Deprecated testing of the envoy.api.v2.core.Node.build_version field
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(BootstrapNodeDeprecated)) {
initialize("test/server/test_data/server/node_bootstrap.yaml");
EXPECT_EQ("bootstrap_zone", server_->localInfo().zoneName());
EXPECT_EQ("bootstrap_cluster", server_->localInfo().clusterName());
EXPECT_EQ("bootstrap_id", server_->localInfo().nodeName());
EXPECT_EQ("bootstrap_sub_zone", server_->localInfo().node().locality().sub_zone());
EXPECT_EQ(VersionInfo::version(),
server_->localInfo().node().hidden_envoy_deprecated_build_version());
EXPECT_EQ("envoy", server_->localInfo().node().user_agent_name());
EXPECT_TRUE(server_->localInfo().node().has_user_agent_build_version());
expectCorrectBuildVersion(server_->localInfo().node().user_agent_build_version());
}
// Validate server localInfo() from bootstrap Node.
TEST_P(ServerInstanceImplTest, BootstrapNode) {
initialize("test/server/test_data/server/node_bootstrap.yaml");
EXPECT_EQ("bootstrap_zone", server_->localInfo().zoneName());
EXPECT_EQ("bootstrap_cluster", server_->localInfo().clusterName());
EXPECT_EQ("bootstrap_id", server_->localInfo().nodeName());
EXPECT_EQ("bootstrap_sub_zone", server_->localInfo().node().locality().sub_zone());
EXPECT_EQ("envoy", server_->localInfo().node().user_agent_name());
EXPECT_TRUE(server_->localInfo().node().has_user_agent_build_version());
expectCorrectBuildVersion(server_->localInfo().node().user_agent_build_version());
}
// Validate that bootstrap with v2 dynamic transport is rejected when --bootstrap-version is not
// set.
TEST_P(ServerInstanceImplTest,
DEPRECATED_FEATURE_TEST(FailToLoadV2TransportWithoutExplicitVersion)) {
EXPECT_THROW_WITH_REGEX(initialize("test/server/test_data/server/dynamic_v2.yaml"),
DeprecatedMajorVersionException,
"V2 .and AUTO. xDS transport protocol versions are deprecated in.*");
}
// Validate that bootstrap with v2 ADS transport is rejected when --bootstrap-version is not
// set.
TEST_P(ServerInstanceImplTest,
DEPRECATED_FEATURE_TEST(FailToLoadV2AdsTransportWithoutExplicitVersion)) {
EXPECT_THROW_WITH_REGEX(initialize("test/server/test_data/server/ads_v2.yaml"),
DeprecatedMajorVersionException,
"V2 .and AUTO. xDS transport protocol versions are deprecated in.*");
}
// Validate that bootstrap with v2 HDS transport is rejected when --bootstrap-version is not
// set.
TEST_P(ServerInstanceImplTest,
DEPRECATED_FEATURE_TEST(FailToLoadV2HdsTransportWithoutExplicitVersion)) {
EXPECT_THROW_WITH_REGEX(initialize("test/server/test_data/server/hds_v2.yaml"),
DeprecatedMajorVersionException,
"V2 .and AUTO. xDS transport protocol versions are deprecated in.*");
}
// Validate that bootstrap v2 is rejected when --bootstrap-version is not set.
TEST_P(ServerInstanceImplTest,
DEPRECATED_FEATURE_TEST(FailToLoadV2BootstrapWithoutExplicitVersion)) {
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.pb_text"),
DeprecatedMajorVersionException,
"Support for v2 will be removed from Envoy at the start of Q1 2021.");
}
// Validate that bootstrap v2 pb_text with deprecated fields loads when --bootstrap-version is set.
TEST_P(ServerInstanceImplTest,
DEPRECATED_FEATURE_TEST(LoadsV2BootstrapWithExplicitVersionFromPbText)) {
options_.bootstrap_version_ = 2;
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.pb_text");
EXPECT_FALSE(server_->localInfo().node().hidden_envoy_deprecated_build_version().empty());
}
// Validate that bootstrap v2 pb_text with deprecated fields fails to load when
// --bootstrap-version is not set.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(FailToLoadV2BootstrapFromPbText)) {
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.pb_text"),
EnvoyException, "The v2 xDS major version is deprecated and disabled by default.");
}
// Validate that bootstrap v2 YAML with deprecated fields loads when --bootstrap-version is set.
TEST_P(ServerInstanceImplTest,
DEPRECATED_FEATURE_TEST(LoadsV2BootstrapWithExplicitVersionFromYaml)) {
options_.bootstrap_version_ = 2;
EXPECT_LOG_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.yaml"));
EXPECT_FALSE(server_->localInfo().node().hidden_envoy_deprecated_build_version().empty());
}
// Validate that bootstrap v2 YAML with deprecated fields fails to load when
// --bootstrap-version is not set.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(FailsToLoadV2BootstrapFromYaml)) {
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.yaml"),
EnvoyException, "The v2 xDS major version is deprecated and disabled by default.");
}
// Validate that bootstrap v3 pb_text with new fields loads fails if V2 config is specified.
TEST_P(ServerInstanceImplTest, FailToLoadV3ConfigWhenV2SelectedFromPbText) {
options_.bootstrap_version_ = 2;
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v3_but_invalid_v2_bootstrap.pb_text"),
EnvoyException, "Unable to parse file");
}
// Validate that bootstrap v3 YAML with new fields loads fails if V2 config is specified.
TEST_P(ServerInstanceImplTest, FailToLoadV3ConfigWhenV2SelectedFromYaml) {
options_.bootstrap_version_ = 2;
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v3_but_invalid_v2_bootstrap.yaml"),
EnvoyException, "has unknown fields");
}
// Validate that we correctly parse a V2 pb_text file when configured to do so.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(LoadsV2ConfigWhenV2SelectedFromPbText)) {
options_.bootstrap_version_ = 2;
EXPECT_LOG_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.pb_text"));
EXPECT_EQ(server_->localInfo().node().id(), "bootstrap_id");
}
// Validate that we correctly parse a V2 YAML file when configured to do so.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(LoadsV2ConfigWhenV2SelectedFromYaml)) {
options_.bootstrap_version_ = 2;
EXPECT_LOG_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.yaml"));
EXPECT_EQ(server_->localInfo().node().id(), "bootstrap_id");
}
// Validate that we correctly parse a V3 pb_text file without explicit version configuration.
TEST_P(ServerInstanceImplTest, LoadsV3ConfigFromPbText) {
EXPECT_LOG_NOT_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v3_but_invalid_v2_bootstrap.pb_text"));
}
// Validate that we correctly parse a V3 YAML file without explicit version configuration.
TEST_P(ServerInstanceImplTest, LoadsV3ConfigFromYaml) {
EXPECT_LOG_NOT_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v3_but_invalid_v2_bootstrap.yaml"));
}
// Validate that we correctly parse a V3 pb_text file when configured to do so.
TEST_P(ServerInstanceImplTest, LoadsV3ConfigWhenV3SelectedFromPbText) {
options_.bootstrap_version_ = 3;
EXPECT_LOG_NOT_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v3_but_invalid_v2_bootstrap.pb_text"));
}
// Validate that we correctly parse a V3 YAML file when configured to do so.
TEST_P(ServerInstanceImplTest, LoadsV3ConfigWhenV3SelectedFromYaml) {
options_.bootstrap_version_ = 3;
EXPECT_LOG_NOT_CONTAINS(
"trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/valid_v3_but_invalid_v2_bootstrap.yaml"));
}
// Validate that bootstrap v2 pb_text with deprecated fields loads fails if V3 config is specified.
TEST_P(ServerInstanceImplTest, FailToLoadV2ConfigWhenV3SelectedFromPbText) {
options_.bootstrap_version_ = 3;
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.pb_text"),
EnvoyException, "Unable to parse file");
}
// Validate that bootstrap v2 YAML with deprecated fields loads fails if V3 config is specified.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(FailToLoadV2ConfigWhenV3SelectedFromYaml)) {
options_.bootstrap_version_ = 3;
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.yaml"),
EnvoyException, "has unknown fields");
}
// Validate that bootstrap with v2 dynamic transport loads when --bootstrap-version is set.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(LoadsV2TransportWithoutExplicitVersion)) {
options_.bootstrap_version_ = 2;
initialize("test/server/test_data/server/dynamic_v2.yaml");
}
// Validate that bootstrap with v2 ADS transport loads when --bootstrap-version is set.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(LoadsV2AdsTransportWithoutExplicitVersion)) {
options_.bootstrap_version_ = 2;
initialize("test/server/test_data/server/ads_v2.yaml");
}
// Validate that bootstrap with v2 HDS transport loads when --bootstrap-version is set.
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(LoadsV2HdsTransportWithoutExplicitVersion)) {
options_.bootstrap_version_ = 2;
initialize("test/server/test_data/server/hds_v2.yaml");
}
// Validate that bootstrap pb_text loads.
TEST_P(ServerInstanceImplTest, LoadsBootstrapFromPbText) {
EXPECT_LOG_NOT_CONTAINS("trace", "Configuration does not parse cleanly as v3",
initialize("test/server/test_data/server/node_bootstrap.pb_text"));
EXPECT_EQ("bootstrap_id", server_->localInfo().node().id());
}
// Validate that we blow up on invalid version number.
TEST_P(ServerInstanceImplTest, InvalidBootstrapVersion) {
options_.bootstrap_version_ = 1;
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/valid_v2_but_invalid_v3_bootstrap.pb_text"),
EnvoyException, "Unknown bootstrap version 1.");
}
TEST_P(ServerInstanceImplTest, LoadsBootstrapFromConfigProtoOptions) {
options_.config_proto_.mutable_node()->set_id("foo");
initialize("test/server/test_data/server/node_bootstrap.yaml");
EXPECT_EQ("foo", server_->localInfo().node().id());
}
TEST_P(ServerInstanceImplTest, LoadsBootstrapFromConfigYamlAfterConfigPath) {
options_.config_yaml_ = "node:\n id: 'bar'";
initialize("test/server/test_data/server/node_bootstrap.yaml");
EXPECT_EQ("bar", server_->localInfo().node().id());
}
TEST_P(ServerInstanceImplTest, LoadsBootstrapFromConfigProtoOptionsLast) {
options_.config_yaml_ = "node:\n id: 'bar'";
options_.config_proto_.mutable_node()->set_id("foo");
initialize("test/server/test_data/server/node_bootstrap.yaml");
EXPECT_EQ("foo", server_->localInfo().node().id());
}
// Validate server localInfo() from bootstrap Node with CLI overrides.
TEST_P(ServerInstanceImplTest, BootstrapNodeWithOptionsOverride) {
options_.service_cluster_name_ = "some_cluster_name";
options_.service_node_name_ = "some_node_name";
options_.service_zone_name_ = "some_zone_name";
initialize("test/server/test_data/server/node_bootstrap.yaml");
EXPECT_EQ("some_zone_name", server_->localInfo().zoneName());
EXPECT_EQ("some_cluster_name", server_->localInfo().clusterName());
EXPECT_EQ("some_node_name", server_->localInfo().nodeName());
EXPECT_EQ("bootstrap_sub_zone", server_->localInfo().node().locality().sub_zone());
}
// Validate server runtime is parsed from bootstrap and that we can read from
// service cluster specified disk-based overrides.
TEST_P(ServerInstanceImplTest, BootstrapRuntime) {
options_.service_cluster_name_ = "some_service";
initialize("test/server/test_data/server/runtime_bootstrap.yaml");
EXPECT_EQ("bar", server_->runtime().snapshot().get("foo").value().get());
// This should access via the override/some_service overlay.
EXPECT_EQ("fozz", server_->runtime().snapshot().get("fizz").value().get());
}
// Validate that a runtime absent an admin layer will fail mutating operations
// but still support inspection of runtime values.
TEST_P(ServerInstanceImplTest, RuntimeNoAdminLayer) {
options_.service_cluster_name_ = "some_service";
initialize("test/server/test_data/server/runtime_bootstrap.yaml");
Http::TestResponseHeaderMapImpl response_headers;
std::string response_body;
EXPECT_EQ(Http::Code::OK,
server_->admin().request("/runtime", "GET", response_headers, response_body));
EXPECT_THAT(response_body, HasSubstr("fozz"));
EXPECT_EQ(
Http::Code::ServiceUnavailable,
server_->admin().request("/runtime_modify?foo=bar", "POST", response_headers, response_body));
EXPECT_EQ("No admin layer specified", response_body);
}
// Verify that bootstrap fails if RTDS is configured through an EDS cluster
TEST_P(ServerInstanceImplTest, BootstrapRtdsThroughEdsFails) {
options_.service_cluster_name_ = "some_service";
options_.service_node_name_ = "some_node_name";
EXPECT_THROW_WITH_REGEX(initialize("test/server/test_data/server/runtime_bootstrap_eds.yaml"),
EnvoyException, "must have a statically defined non-EDS cluster");
}
// Verify that bootstrap fails if RTDS is configured through an ADS using EDS cluster
TEST_P(ServerInstanceImplTest, BootstrapRtdsThroughAdsViaEdsFails) {
options_.service_cluster_name_ = "some_service";
options_.service_node_name_ = "some_node_name";
EXPECT_THROW_WITH_REGEX(initialize("test/server/test_data/server/runtime_bootstrap_ads_eds.yaml"),
EnvoyException, "Unknown gRPC client cluster");
}
TEST_P(ServerInstanceImplTest, DEPRECATED_FEATURE_TEST(InvalidLegacyBootstrapRuntime)) {
options_.bootstrap_version_ = 2;
EXPECT_THROW_WITH_MESSAGE(
initialize("test/server/test_data/server/invalid_legacy_runtime_bootstrap.yaml"),
EnvoyException, "Invalid runtime entry value for foo");
}
// Validate invalid runtime in bootstrap is rejected.
TEST_P(ServerInstanceImplTest, InvalidBootstrapRuntime) {
EXPECT_THROW_WITH_MESSAGE(
initialize("test/server/test_data/server/invalid_runtime_bootstrap.yaml"), EnvoyException,
"Invalid runtime entry value for foo");
}
// Validate invalid layered runtime missing a name is rejected.
TEST_P(ServerInstanceImplTest, InvalidLayeredBootstrapMissingName) {
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/invalid_layered_runtime_missing_name.yaml"),
EnvoyException, "RuntimeLayerValidationError.Name: \\[\"value length must be at least");
}
// Validate invalid layered runtime with duplicate names is rejected.
TEST_P(ServerInstanceImplTest, InvalidLayeredBootstrapDuplicateName) {
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/invalid_layered_runtime_duplicate_name.yaml"),
EnvoyException, "Duplicate layer name: some_static_laye");
}
// Validate invalid layered runtime with no layer specifier is rejected.
TEST_P(ServerInstanceImplTest, InvalidLayeredBootstrapNoLayerSpecifier) {
EXPECT_THROW_WITH_REGEX(
initialize("test/server/test_data/server/invalid_layered_runtime_no_layer_specifier.yaml"),
EnvoyException, "BootstrapValidationError.LayeredRuntime");
}
// Regression test for segfault when server initialization fails prior to
// ClusterManager initialization.
TEST_P(ServerInstanceImplTest, BootstrapClusterManagerInitializationFail) {
EXPECT_THROW_WITH_MESSAGE(initialize("test/server/test_data/server/cluster_dupe_bootstrap.yaml"),
EnvoyException, "cluster manager: duplicate cluster 'service_google'");
}
// Regression tests for SdsApi throwing exceptions in initialize().
TEST_P(ServerInstanceImplTest, BadSdsConfigSource) {
EXPECT_THROW_WITH_MESSAGE(
initialize("test/server/test_data/server/bad_sds_config_source.yaml"), EnvoyException,
"envoy.config.core.v3.ApiConfigSource must have a statically defined non-EDS cluster: "
"'sds-grpc' does not exist, was added via api, or is an EDS cluster");