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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/fastos/fastos.h>
#include <vespa/storage/bucketdb/storbucketdb.h>
#include <vespa/storage/common/bucketmessages.h>
#include <vespa/storage/bucketmover/bucketmover.h>
#include <tests/common/dummystoragelink.h>
#include <tests/common/testhelper.h>
#include <tests/common/teststorageapp.h>
#include <vespa/storage/bucketdb/storbucketdb.h>
bool debug = false;
namespace storage {
namespace bucketmover {
struct BucketMoverTest : public CppUnit::TestFixture {
public:
void setUp() override;
void tearDown() override;
void testNormalUsage();
void testMaxPending();
void testErrorHandling();
CPPUNIT_TEST_SUITE(BucketMoverTest);
CPPUNIT_TEST(testNormalUsage);
CPPUNIT_TEST(testMaxPending);
CPPUNIT_TEST(testErrorHandling);
CPPUNIT_TEST_SUITE_END();
std::unique_ptr<TestServiceLayerApp> _node;
std::unique_ptr<ServiceLayerComponent> _component;
std::unique_ptr<BucketMover> _bucketMover;
DummyStorageLink* after;
private:
void addBucket(const document::BucketId& id, uint16_t idealDiff);
};
CPPUNIT_TEST_SUITE_REGISTRATION(BucketMoverTest);
void
BucketMoverTest::tearDown()
{
_node.reset(0);
}
void
BucketMoverTest::setUp()
{
try {
_node.reset(new TestServiceLayerApp(DiskCount(4)));
_node->setupDummyPersistence();
} catch (config::InvalidConfigException& e) {
fprintf(stderr, "%s\n", e.what());
}
_component.reset(new ServiceLayerComponent(_node->getComponentRegister(), "foo"));
_bucketMover.reset(new BucketMover("raw:", _node->getComponentRegister()));
after = new DummyStorageLink();
_bucketMover->push_back(StorageLink::UP(after));
}
void
BucketMoverTest::addBucket(const document::BucketId& id,
uint16_t idealDiff)
{
StorBucketDatabase::WrappedEntry entry(
_component->getBucketDatabase().get(
id,
"",
StorBucketDatabase::CREATE_IF_NONEXISTING));
entry->setBucketInfo(api::BucketInfo(1,1,1));
uint16_t idealDisk = _component->getIdealPartition(id);
entry->disk = (idealDisk + idealDiff) % _component->getDiskCount();
entry.write();
}
void
BucketMoverTest::testNormalUsage()
{
for (uint32_t i = 1; i < 4; ++i) {
addBucket(document::BucketId(16, i), 1);
}
for (uint32_t i = 4; i < 6; ++i) {
addBucket(document::BucketId(16, i), 0);
}
_bucketMover->open();
_bucketMover->tick();
std::vector<api::StorageMessage::SP> msgs = after->getCommandsOnce();
CPPUNIT_ASSERT_EQUAL(
std::string("BucketDiskMoveCommand("
"BucketId(0x4000000000000002), source 3, target 2)"),
msgs[0]->toString());
CPPUNIT_ASSERT_EQUAL(
std::string("BucketDiskMoveCommand("
"BucketId(0x4000000000000001), source 2, target 1)"),
msgs[1]->toString());
CPPUNIT_ASSERT_EQUAL(
std::string("BucketDiskMoveCommand("
"BucketId(0x4000000000000003), source 1, target 0)"),
msgs[2]->toString());
for (uint32_t i = 0; i < 2; ++i) {
after->sendUp(std::shared_ptr<api::StorageMessage>(
((api::StorageCommand*)msgs[i].get())->
makeReply().release()));
}
_bucketMover->tick();
CPPUNIT_ASSERT_EQUAL(0, (int)after->getNumCommands());
_bucketMover->finishCurrentRun();
}
void
BucketMoverTest::testMaxPending()
{
for (uint32_t i = 1; i < 100; ++i) {
addBucket(document::BucketId(16, i), 1);
}
for (uint32_t i = 101; i < 200; ++i) {
addBucket(document::BucketId(16, i), 0);
}
_bucketMover->open();
_bucketMover->tick();
std::vector<api::StorageMessage::SP> msgs = after->getCommandsOnce();
// 5 is the max pending default config.
CPPUNIT_ASSERT_EQUAL(5, (int)msgs.size());
after->sendUp(std::shared_ptr<api::StorageMessage>(
((api::StorageCommand*)msgs[3].get())->
makeReply().release()));
_bucketMover->tick();
std::vector<api::StorageMessage::SP> msgs2 = after->getCommandsOnce();
CPPUNIT_ASSERT_EQUAL(1, (int)msgs2.size());
}
void
BucketMoverTest::testErrorHandling()
{
for (uint32_t i = 1; i < 100; ++i) {
addBucket(document::BucketId(16, i), 1);
}
for (uint32_t i = 101; i < 200; ++i) {
addBucket(document::BucketId(16, i), 0);
}
_bucketMover->open();
_bucketMover->tick();
std::vector<api::StorageMessage::SP> msgs = after->getCommandsOnce();
// 5 is the max pending default config.
CPPUNIT_ASSERT_EQUAL(5, (int)msgs.size());
BucketDiskMoveCommand& cmd = static_cast<BucketDiskMoveCommand&>(*msgs[0]);
uint32_t targetDisk = cmd.getDstDisk();
std::unique_ptr<api::StorageReply> reply(cmd.makeReply().release());
reply->setResult(api::ReturnCode(api::ReturnCode::INTERNAL_FAILURE, "foobar"));
after->sendUp(std::shared_ptr<api::StorageMessage>(reply.release()));
for (uint32_t i = 1; i < msgs.size(); ++i) {
after->sendUp(std::shared_ptr<api::StorageMessage>(
((api::StorageCommand*)msgs[i].get())->
makeReply().release()));
}
_bucketMover->tick();
std::vector<api::StorageMessage::SP> msgs2 = after->getCommandsOnce();
CPPUNIT_ASSERT_EQUAL(5, (int)msgs2.size());
for (uint32_t i = 0; i < msgs2.size(); ++i) {
BucketDiskMoveCommand& bdm = static_cast<BucketDiskMoveCommand&>(*msgs2[i]);
CPPUNIT_ASSERT(bdm.getDstDisk() != targetDisk);
}
}
} // bucketmover
} // storage
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