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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/storageframework/defaultimplementation/clock/fakeclock.h>
#include <vespa/storage/persistence/filestorage/filestormanager.h>
#include <vespa/storage/persistence/filestorage/filestormetrics.h>
#include <vespa/storage/storageserver/applicationgenerationfetcher.h>
#include <vespa/storage/storageserver/statereporter.h>
#include <vespa/metrics/metricmanager.h>
#include <tests/common/teststorageapp.h>
#include <tests/common/testhelper.h>
#include <tests/common/dummystoragelink.h>
#include <vespa/config/common/exceptions.h>
#include <vespa/vespalib/data/slime/slime.h>
#include <vespa/vespalib/data/simple_buffer.h>
#include <vespa/vespalib/gtest/gtest.h>
#include <vespa/vespalib/util/size_literals.h>
#include <thread>
#include <vespa/log/log.h>
LOG_SETUP(".test.statereporter");
using namespace ::testing;
namespace storage {
class DummyApplicationGenerationFether : public ApplicationGenerationFetcher {
public:
[[nodiscard]] int64_t getGeneration() const override { return 1; }
[[nodiscard]] std::string getComponentName() const override { return "component"; }
};
struct StateReporterTest : Test {
framework::defaultimplementation::FakeClock* _clock;
std::unique_ptr<TestServiceLayerApp> _node;
std::unique_ptr<DummyStorageLink> _top;
DummyApplicationGenerationFether _generationFetcher;
std::unique_ptr<StateReporter> _stateReporter;
std::unique_ptr<vdstestlib::DirConfig> _config;
std::unique_ptr<metrics::MetricSet> _topSet;
std::unique_ptr<metrics::MetricManager> _metricManager;
std::shared_ptr<FileStorMetrics> _filestorMetrics;
StateReporterTest();
~StateReporterTest() override;
void SetUp() override;
void TearDown() override;
};
namespace {
struct MetricClock : public metrics::MetricManager::Timer
{
framework::Clock& _clock;
explicit MetricClock(framework::Clock& c) : _clock(c) {}
[[nodiscard]] metrics::time_point getTime() const override { return _clock.getSystemTime(); }
};
}
StateReporterTest::StateReporterTest()
: _clock(nullptr),
_top(),
_stateReporter()
{
}
StateReporterTest::~StateReporterTest() = default;
void StateReporterTest::SetUp() {
_config = std::make_unique<vdstestlib::DirConfig>(getStandardConfig(true, "statereportertest"));
assert(system(("rm -rf " + getRootFolder(*_config)).c_str()) == 0);
_node = std::make_unique<TestServiceLayerApp>(NodeIndex(0), _config->getConfigId());
_node->setupDummyPersistence();
_clock = &_node->getClock();
_clock->setAbsoluteTimeInSeconds(1000000);
_top = std::make_unique<DummyStorageLink>();
_metricManager = std::make_unique<metrics::MetricManager>(std::make_unique<MetricClock>(*_clock));
_topSet.reset(new metrics::MetricSet("vds", {}, ""));
{
metrics::MetricLockGuard guard(_metricManager->getMetricLock());
_metricManager->registerMetric(guard, *_topSet);
}
_stateReporter = std::make_unique<StateReporter>(_node->getComponentRegister(), *_metricManager,
_generationFetcher, "status");
_filestorMetrics = std::make_shared<FileStorMetrics>();
_filestorMetrics->initDiskMetrics(1, 1);
_topSet->registerMetric(*_filestorMetrics);
_metricManager->init(config::ConfigUri(_config->getConfigId()));
}
void StateReporterTest::TearDown() {
_metricManager->stop();
_stateReporter.reset();
_topSet.reset();
_metricManager.reset();
_top.reset();
_node.reset();
_config.reset();
_filestorMetrics.reset();
}
#define PARSE_JSON(jsonData) \
vespalib::Slime slime; \
{ \
using namespace vespalib::slime; \
size_t parsed = JsonFormat::decode(vespalib::Memory(jsonData), slime); \
vespalib::SimpleBuffer buffer; \
JsonFormat::encode(slime, buffer, false); \
if (parsed == 0) { \
ASSERT_EQ(jsonData.size(), parsed) << "Failed to parse JSON: '\n" \
<< jsonData << "':" << buffer.get().make_string(); \
} \
}
#define ASSERT_GENERATION(jsonData, component, generation) \
{ \
PARSE_JSON(jsonData); \
ASSERT_EQ(generation, slime.get()["config"][component]["generation"].asDouble()); \
}
#define ASSERT_NODE_STATUS(jsonData, code, message) \
{ \
PARSE_JSON(jsonData); \
ASSERT_EQ(vespalib::string(code), slime.get()["status"]["code"].asString().make_string()); \
ASSERT_EQ(vespalib::string(message), slime.get()["status"]["message"].asString().make_string()); \
}
#define ASSERT_METRIC_GET_PUT(jsonData, expGetCount, expPutCount) \
{ \
PARSE_JSON(jsonData); \
double getCount = -1; \
double putCount = -1; \
size_t metricCount = slime.get()["metrics"]["values"].children(); \
for (size_t j=0; j<metricCount; j++) { \
const vespalib::string name = slime.get()["metrics"]["values"][j]["name"].asString().make_string(); \
if (name.compare("vds.filestor.allthreads.get.count") == 0) { \
getCount = slime.get()["metrics"]["values"][j]["values"]["count"].asDouble(); \
} else if (name.compare("vds.filestor.allthreads.put.count") == 0) { \
putCount = slime.get()["metrics"]["values"][j]["values"]["count"].asDouble(); \
} \
} \
ASSERT_EQ(expGetCount, getCount); \
ASSERT_EQ(expPutCount, putCount); \
ASSERT_GT(metricCount, 100); \
}
TEST_F(StateReporterTest, report_config_generation) {
std::ostringstream ost;
framework::HttpUrlPath path("/state/v1/config");
_stateReporter->reportStatus(ost, path);
std::string jsonData = ost.str();
ASSERT_GENERATION(jsonData, "component", 1.0);
}
TEST_F(StateReporterTest, report_health) {
const int stateCount = 7;
const lib::NodeState nodeStates[stateCount] = {
lib::NodeState(lib::NodeType::STORAGE, lib::State::UNKNOWN),
lib::NodeState(lib::NodeType::STORAGE, lib::State::MAINTENANCE),
lib::NodeState(lib::NodeType::STORAGE, lib::State::DOWN),
lib::NodeState(lib::NodeType::STORAGE, lib::State::STOPPING),
lib::NodeState(lib::NodeType::STORAGE, lib::State::INITIALIZING),
lib::NodeState(lib::NodeType::STORAGE, lib::State::RETIRED),
lib::NodeState(lib::NodeType::STORAGE, lib::State::UP)
};
const char* codes[stateCount] = {
"down",
"down",
"down",
"down",
"down",
"down",
"up"
};
const char* messages[stateCount] = {
"Node state: Unknown",
"Node state: Maintenance",
"Node state: Down",
"Node state: Stopping",
"Node state: Initializing, init progress 0",
"Node state: Retired",
""
};
framework::HttpUrlPath path("/state/v1/health");
for (int i=0; i<stateCount; i++) {
_node->getStateUpdater().setCurrentNodeState(nodeStates[i]);
std::ostringstream ost;
ASSERT_TRUE(_stateReporter->reportStatus(ost, path));
std::string jsonData = ost.str();
ASSERT_NODE_STATUS(jsonData, codes[i], messages[i]);
}
}
TEST_F(StateReporterTest, report_metrics) {
FileStorThreadMetrics& thread0(*_filestorMetrics->threads[0]);
LOG(debug, "Adding to get metric");
thread0.get.count.inc(1);
LOG(debug, "Waiting for 5 minute snapshot to be taken");
// Wait until active metrics have been added to 5 min snapshot and reset
for (uint32_t i = 0; i < 6; ++i) {
_clock->addSecondsToTime(60);
_metricManager->timeChangedNotification();
while (_metricManager->getLastProcessedTime() < _clock->getSystemTime()) {
std::this_thread::sleep_for(1ms);
}
}
LOG(debug, "5 minute snapshot should have been taken. Adding put count");
thread0.put.count.inc(1);
const int pathCount = 2;
const char* paths[pathCount] = {
"/state/v1/metrics",
"/state/v1/metrics?consumer=status"
};
for (auto & path_str : paths) {
framework::HttpUrlPath path(path_str);
std::ostringstream ost;
_stateReporter->reportStatus(ost, path);
std::string jsonData = ost.str();
ASSERT_METRIC_GET_PUT(jsonData, 1.0, 0.0);
}
}
} // storage
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