void
api::showSnapshots(const VolumeId& volName,
std::list<vd::SnapshotName>& l)
{
SharedVolumePtr v = VolManager::get()->findVolume_(volName);
v->listSnapshots(l);
}
TEST_P(SimpleBackupRestoreTest, rollback_to_previous_snap_if_snapshot_didnt_make_it)
{
auto ns_ptr = make_random_namespace();
const backend::Namespace& nspace = ns_ptr->ns();
// const Namespace nspace;
const VolumeId vid("backup");
auto wov = newWriteOnlyVolume(vid,
nspace,
BackupRole::WanBackupBase);
ASSERT_TRUE(wov);
const auto cfg(wov->get_config());
const std::string pattern("a mysteriously returning message");
const size_t size = 1024 * 1024;
writeToVolume(*wov, 0, size, pattern);
const SnapshotName snap("snap");
wov->createSnapshot(snap);
waitForThisBackendWrite(*wov);
const std::string pattern2("a mysteriously disappearing message");
writeToVolume(*wov, 0, size, pattern2);
wov->scheduleBackendSync();
waitForThisBackendWrite(*wov);
{
SCOPED_DESTROY_WRITE_ONLY_VOLUME_UNBLOCK_BACKEND_FOR_BACKEND_RESTART(wov, 3);
wov->createSnapshot(SnapshotName("snap2"));
const SnapshotPersistor& sp =
wov->getSnapshotManagement().getSnapshotPersistor();
SnapshotManagement::writeSnapshotPersistor(sp,
cm_->newBackendInterface(nspace));
}
const fs::path
cfg_file(make_config_file(nspace,
MaybeString(),
MaybeString(),
MaybeBackupRole(BackupRole::WanBackupNormal)));
bu::Restore(cfg_file,
false,
youtils::GracePeriod(boost::posix_time::seconds(2)))();
{
fungi::ScopedLock l(api::getManagementMutex());
api::backend_restart(nspace,
new_owner_tag(),
PrefetchVolumeData::T,
IgnoreFOCIfUnreachable::T);
}
SharedVolumePtr v = getVolume(vid);
checkVolume(*v, 0, size, pattern);
std::list<SnapshotName> snaps;
v->listSnapshots(snaps);
EXPECT_EQ(1U, snaps.size());
EXPECT_EQ(snap, snaps.front());
}
