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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <cppunit/extensions/HelperMacros.h>
#include <vespa/metrics/metricmanager.h>
#include <vespa/storageapi/message/bucket.h>
#include <vespa/storageapi/message/state.h>
#include <vespa/storage/common/cluster_state_bundle.h>
#include <vespa/storage/frameworkimpl/component/storagecomponentregisterimpl.h>
#include <vespa/storage/storageserver/statemanager.h>
#include <tests/common/teststorageapp.h>
#include <tests/common/testhelper.h>
#include <tests/common/dummystoragelink.h>
#include <vespa/vespalib/data/slime/slime.h>
using storage::lib::NodeState;
using storage::lib::NodeType;
using storage::lib::State;
using storage::lib::ClusterState;
namespace storage {
struct StateManagerTest : public CppUnit::TestFixture {
std::unique_ptr<TestServiceLayerApp> _node;
std::unique_ptr<DummyStorageLink> _upper;
std::unique_ptr<metrics::MetricManager> _metricManager;
StateManager* _manager;
DummyStorageLink* _lower;
StateManagerTest();
void setUp() override;
void tearDown() override;
void testSystemState();
void testReportedNodeState();
void testClusterStateVersion();
CPPUNIT_TEST_SUITE(StateManagerTest);
CPPUNIT_TEST(testSystemState);
CPPUNIT_TEST(testReportedNodeState);
CPPUNIT_TEST(testClusterStateVersion);
CPPUNIT_TEST_SUITE_END();
};
CPPUNIT_TEST_SUITE_REGISTRATION(StateManagerTest);
StateManagerTest::StateManagerTest()
: _node(),
_upper(),
_manager(0),
_lower(0)
{
}
void
StateManagerTest::setUp() {
try{
vdstestlib::DirConfig config(getStandardConfig(true));
_node.reset(new TestServiceLayerApp(DiskCount(1), NodeIndex(2)));
// Clock will increase 1 sec per call.
_node->getClock().setAbsoluteTimeInSeconds(1);
_metricManager.reset(new metrics::MetricManager);
_upper.reset(new DummyStorageLink());
_manager = new StateManager(_node->getComponentRegister(),
*_metricManager,
std::unique_ptr<HostInfo>(new HostInfo));
_lower = new DummyStorageLink();
_upper->push_back(StorageLink::UP(_manager));
_upper->push_back(StorageLink::UP(_lower));
_upper->open();
} catch (std::exception& e) {
std::cerr << "Failed to static initialize objects: " << e.what()
<< "\n";
}
}
void
StateManagerTest::tearDown() {
CPPUNIT_ASSERT_EQUAL(size_t(0), _lower->getNumReplies());
CPPUNIT_ASSERT_EQUAL(size_t(0), _lower->getNumCommands());
CPPUNIT_ASSERT_EQUAL(size_t(0), _upper->getNumReplies());
CPPUNIT_ASSERT_EQUAL(size_t(0), _upper->getNumCommands());
_manager = 0;
_lower = 0;
_upper->close();
_upper->flush();
_upper.reset(0);
_node.reset(0);
_metricManager.reset();
}
#define GET_ONLY_OK_REPLY(varname) \
{ \
CPPUNIT_ASSERT_EQUAL(size_t(1), _upper->getNumReplies()); \
CPPUNIT_ASSERT(_upper->getReply(0)->getType().isReply()); \
varname = std::dynamic_pointer_cast<api::StorageReply>( \
_upper->getReply(0)); \
CPPUNIT_ASSERT(varname != 0); \
_upper->reset(); \
CPPUNIT_ASSERT_EQUAL(api::ReturnCode(api::ReturnCode::OK), \
varname->getResult()); \
}
void
StateManagerTest::testSystemState()
{
std::shared_ptr<api::StorageReply> reply;
// Verify initial state on startup
ClusterState::CSP currentState = _manager->getClusterStateBundle()->getBaselineClusterState();
CPPUNIT_ASSERT_EQUAL(std::string("cluster:d"),
currentState->toString(false));
NodeState::CSP currentNodeState = _manager->getCurrentNodeState();
CPPUNIT_ASSERT_EQUAL(std::string("s:d"), currentNodeState->toString(false));
ClusterState sendState("storage:4 .2.s:m");
std::shared_ptr<api::SetSystemStateCommand> cmd(
new api::SetSystemStateCommand(sendState));
_upper->sendDown(cmd);
GET_ONLY_OK_REPLY(reply);
currentState = _manager->getClusterStateBundle()->getBaselineClusterState();
CPPUNIT_ASSERT_EQUAL(sendState, *currentState);
currentNodeState = _manager->getCurrentNodeState();
CPPUNIT_ASSERT_EQUAL(std::string("s:m"), currentNodeState->toString(false));
}
namespace {
struct MyStateListener : public StateListener {
const NodeStateUpdater& updater;
lib::NodeState current;
std::ostringstream ost;
MyStateListener(const NodeStateUpdater& upd)
: updater(upd), current(*updater.getReportedNodeState()) {}
~MyStateListener() { }
void handleNewState() override {
ost << current << " -> ";
current = *updater.getReportedNodeState();
ost << current << "\n";
}
};
}
void
StateManagerTest::testReportedNodeState()
{
std::shared_ptr<api::StorageReply> reply;
// Add a state listener to check that we get events.
MyStateListener stateListener(*_manager);
_manager->addStateListener(stateListener);
// Test that initial state is initializing
NodeState::CSP nodeState = _manager->getReportedNodeState();
CPPUNIT_ASSERT_EQUAL(std::string("s:i b:58 i:0 t:1"), nodeState->toString(false));
// Test that it works to update the state
{
NodeStateUpdater::Lock::SP lock(_manager->grabStateChangeLock());
NodeState ns(*_manager->getReportedNodeState());
ns.setState(State::UP);
_manager->setReportedNodeState(ns);
}
// And that we get the change both through state interface
nodeState = _manager->getReportedNodeState();
CPPUNIT_ASSERT_EQUAL(std::string("s:u b:58 t:1"),
nodeState->toString(false));
// And get node state command (no expected state)
std::shared_ptr<api::GetNodeStateCommand> cmd(
new api::GetNodeStateCommand(lib::NodeState::UP()));
_upper->sendDown(cmd);
GET_ONLY_OK_REPLY(reply);
CPPUNIT_ASSERT_EQUAL(api::MessageType::GETNODESTATE_REPLY,
reply->getType());
nodeState.reset(new NodeState(
dynamic_cast<api::GetNodeStateReply&>(*reply).getNodeState()));
CPPUNIT_ASSERT_EQUAL(std::string("s:u b:58 t:1"),
nodeState->toString(false));
// We should also get it with wrong expected state
cmd.reset(new api::GetNodeStateCommand(lib::NodeState::UP(new NodeState(NodeType::STORAGE, State::INITIALIZING))));
_upper->sendDown(cmd);
GET_ONLY_OK_REPLY(reply);
CPPUNIT_ASSERT_EQUAL(api::MessageType::GETNODESTATE_REPLY,
reply->getType());
nodeState.reset(new NodeState(
dynamic_cast<api::GetNodeStateReply&>(*reply).getNodeState()));
CPPUNIT_ASSERT_EQUAL(std::string("s:u b:58 t:1"),
nodeState->toString(false));
// With correct wanted state we should not get response right away
cmd.reset(new api::GetNodeStateCommand(
lib::NodeState::UP(new NodeState("s:u b:58 t:1", &NodeType::STORAGE))));
_upper->sendDown(cmd);
CPPUNIT_ASSERT_EQUAL(size_t(0), _upper->getNumReplies());
// But when we update state, we get the reply
{
NodeStateUpdater::Lock::SP lock(_manager->grabStateChangeLock());
NodeState ns(*_manager->getReportedNodeState());
ns.setState(State::STOPPING);
ns.setDescription("Stopping node");
_manager->setReportedNodeState(ns);
}
GET_ONLY_OK_REPLY(reply);
CPPUNIT_ASSERT_EQUAL(api::MessageType::GETNODESTATE_REPLY,
reply->getType());
nodeState.reset(new NodeState(
dynamic_cast<api::GetNodeStateReply&>(*reply).getNodeState()));
CPPUNIT_ASSERT_EQUAL(std::string("s:s b:58 t:1 m:Stopping\\x20node"),
nodeState->toString(false));
// Removing state listener, it stops getting updates
_manager->removeStateListener(stateListener);
// Do another update which listener should not get..
{
NodeStateUpdater::Lock::SP lock(_manager->grabStateChangeLock());
NodeState ns(*_manager->getReportedNodeState());
ns.setState(State::UP);
_manager->setReportedNodeState(ns);
}
std::string expectedEvents =
"s:i b:58 i:0 t:1 -> s:u b:58 t:1\n"
"s:u b:58 t:1 -> s:s b:58 t:1 m:Stopping\\x20node\n";
CPPUNIT_ASSERT_EQUAL(expectedEvents, stateListener.ost.str());
}
void
StateManagerTest::testClusterStateVersion()
{
ClusterState state(*_manager->getClusterStateBundle()->getBaselineClusterState());
state.setVersion(123);
_manager->setClusterState(state);
std::string nodeInfoString(_manager->getNodeInfo());
vespalib::Memory goldenMemory(nodeInfoString);
vespalib::Slime nodeInfo;
vespalib::slime::JsonFormat::decode(nodeInfoString, nodeInfo);
vespalib::slime::Symbol lookupSymbol =
nodeInfo.lookup("cluster-state-version");
if (lookupSymbol.undefined()) {
CPPUNIT_FAIL("No cluster-state-version was found in the node info");
}
auto& cursor = nodeInfo.get();
auto& clusterStateVersionCursor = cursor["cluster-state-version"];
if (!clusterStateVersionCursor.valid()) {
CPPUNIT_FAIL("No cluster-state-version was found in the node info");
}
if (clusterStateVersionCursor.type().getId() != vespalib::slime::LONG::ID) {
CPPUNIT_FAIL("No cluster-state-version was found in the node info");
}
int version = clusterStateVersionCursor.asLong();
CPPUNIT_ASSERT_EQUAL(123, version);
}
} // storage
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