TEST_P(OwnerTagTest, changing_tag)
{
auto ns(make_random_namespace());
SharedVolumePtr v = newVolume(*ns);
const VolumeConfig cfg = v->get_config();
destroyVolume(v,
DeleteLocalData::T,
RemoveVolumeCompletely::F);
const OwnerTag new_tag(new_owner_tag());
EXPECT_NE(cfg.owner_tag_,
new_tag);
{
fungi::ScopedLock l(VolManager::get()->mgmtMutex_);
VolManager::get()->backend_restart(cfg.getNS(),
new_tag,
PrefetchVolumeData::F,
IgnoreFOCIfUnreachable::F);
}
v = getVolume(cfg.id_);
EXPECT_EQ(new_tag,
v->get_config().owner_tag_);
}
TEST_P(OwnerTagTest, constant_tag)
{
auto ns(make_random_namespace());
SharedVolumePtr v = newVolume(*ns);
const VolumeConfig cfg = v->get_config();
destroyVolume(v,
DeleteLocalData::F,
RemoveVolumeCompletely::F);
v = localRestart(ns->ns());
EXPECT_EQ(cfg.owner_tag_,
v->get_config().owner_tag_);
destroyVolume(v,
DeleteLocalData::T,
RemoveVolumeCompletely::F);
restartVolume(cfg);
v = getVolume(cfg.id_);
EXPECT_EQ(cfg.owner_tag_,
v->get_config().owner_tag_);
}
TEST_P(SnapshotRestoreTest, TestFailOver)
{
auto foc_ctx(start_one_foc());
auto ns_ptr = make_random_namespace();
SharedVolumePtr v = newVolume(VolumeId("volume1"),
ns_ptr->ns(),
VolumeSize((1 << 18) * 512),
SCOMultiplier(1));
v->setFailOverCacheConfig(foc_ctx->config(GetParam().foc_mode()));
VolumeConfig cfg = v->get_config();
v->createSnapshot(SnapshotName("snap0"));
for(int i = 0; i < 5; ++i)
{
writeToVolume(*v,
0,
4096,
"a");
}
waitForThisBackendWrite(*v);
v->restoreSnapshot(SnapshotName("snap0"));
for(int i = 0; i < 7; ++i)
{
writeToVolume(*v,
8,
4096,
"d");
}
flushFailOverCache(*v);
destroyVolume(v,
DeleteLocalData::T,
RemoveVolumeCompletely::F);
SharedVolumePtr v1 = 0;
v1 = getVolume(VolumeId("volume1"));
ASSERT_FALSE(v1);
restartVolume(cfg);
v1 = getVolume(VolumeId("volume1"));
ASSERT_TRUE(v1 != nullptr);
checkVolume(*v1,0,4096, "\0");
checkVolume(*v1,8,4096, "d");
checkCurrentBackendSize(*v1);
}
VolumeConfig
api::getVolumeConfig(const vd::VolumeId& volName)
{
const SharedVolumePtr v = VolManager::get()->findVolume_(volName);
return v->get_config();
}
