import pytest import os import os.path as path from os import remove from os import listdir from os import urandom from datetime import datetime, timedelta, timezone import tempfile from selfprivacy_api.utils.huey import huey from selfprivacy_api.services.service import ServiceStatus from selfprivacy_api.graphql.queries.providers import BackupProvider from selfprivacy_api.graphql.common_types.backup import ( RestoreStrategy, BackupReason, ) from selfprivacy_api.jobs import Jobs, JobStatus from selfprivacy_api.models.backup.snapshot import Snapshot from selfprivacy_api.backup import Backups, BACKUP_PROVIDER_ENVS import selfprivacy_api.backup.providers as providers from selfprivacy_api.backup.providers import AbstractBackupProvider from selfprivacy_api.backup.providers.backblaze import Backblaze from selfprivacy_api.backup.providers.none import NoBackups from selfprivacy_api.backup.providers import get_kind from selfprivacy_api.backup.util import sync from selfprivacy_api.backup.tasks import ( start_backup, restore_snapshot, reload_snapshot_cache, ) from selfprivacy_api.backup.storage import Storage REPO_NAME = "test_backup" REPOFILE_NAME = "totallyunrelated" def prepare_localfile_backups(temp_dir): test_repo_path = path.join(temp_dir, REPOFILE_NAME) assert not path.exists(test_repo_path) Backups.set_localfile_repo(test_repo_path) @pytest.fixture(scope="function") def backups_local(tmpdir): Backups.reset() prepare_localfile_backups(tmpdir) Jobs.reset() Backups.init_repo() @pytest.fixture(scope="function") def backups(tmpdir): """ For those tests that are supposed to pass with both local and cloud repos """ # Sometimes this is false. Idk why. huey.immediate = True assert huey.immediate is True Backups.reset() if BACKUP_PROVIDER_ENVS["kind"] in os.environ.keys(): Backups.set_provider_from_envs() else: prepare_localfile_backups(tmpdir) Jobs.reset() Backups.init_repo() assert Backups.provider().location == str(tmpdir) + "/" + REPOFILE_NAME yield Backups.erase_repo() @pytest.fixture() def memory_backup() -> AbstractBackupProvider: ProviderClass = providers.get_provider(BackupProvider.MEMORY) assert ProviderClass is not None memory_provider = ProviderClass(login="", key="") assert memory_provider is not None return memory_provider @pytest.fixture() def file_backup(tmpdir) -> AbstractBackupProvider: test_repo_path = path.join(tmpdir, "test_repo") ProviderClass = providers.get_provider(BackupProvider.FILE) assert ProviderClass is not None provider = ProviderClass(location=test_repo_path) assert provider is not None return provider def test_reset_sets_to_none1(): Backups.reset() provider = Backups.provider() assert provider is not None assert isinstance(provider, NoBackups) def test_reset_sets_to_none2(backups): # now with something set up first^^^ Backups.reset() provider = Backups.provider() assert provider is not None assert isinstance(provider, NoBackups) def test_setting_from_envs(tmpdir): Backups.reset() environment_stash = {} if BACKUP_PROVIDER_ENVS["kind"] in os.environ.keys(): # we are running under special envs, stash them before rewriting them for key in BACKUP_PROVIDER_ENVS.values(): environment_stash[key] = os.environ[key] os.environ[BACKUP_PROVIDER_ENVS["kind"]] = "BACKBLAZE" os.environ[BACKUP_PROVIDER_ENVS["login"]] = "ID" os.environ[BACKUP_PROVIDER_ENVS["key"]] = "KEY" os.environ[BACKUP_PROVIDER_ENVS["location"]] = "selfprivacy" Backups.set_provider_from_envs() provider = Backups.provider() assert provider is not None assert isinstance(provider, Backblaze) assert provider.login == "ID" assert provider.key == "KEY" assert provider.location == "selfprivacy" assert provider.backupper.account == "ID" assert provider.backupper.key == "KEY" if environment_stash != {}: for key in BACKUP_PROVIDER_ENVS.values(): os.environ[key] = environment_stash[key] else: for key in BACKUP_PROVIDER_ENVS.values(): del os.environ[key] def test_select_backend(): provider = providers.get_provider(BackupProvider.BACKBLAZE) assert provider is not None assert provider == Backblaze def test_file_backend_init(file_backup): file_backup.backupper.init() def test_reinit_after_purge(backups): assert Backups.is_initted() is True Backups.erase_repo() assert Backups.is_initted() is False with pytest.raises(ValueError): Backups.force_snapshot_cache_reload() Backups.init_repo() assert Backups.is_initted() is True assert len(Backups.get_all_snapshots()) == 0 def test_backup_service(dummy_service, backups): id = dummy_service.get_id() assert_job_finished(f"services.{id}.backup", count=0) assert Backups.get_last_backed_up(dummy_service) is None Backups.back_up(dummy_service) now = datetime.now(timezone.utc) date = Backups.get_last_backed_up(dummy_service) assert date is not None assert now > date assert now - date < timedelta(minutes=1) assert_job_finished(f"services.{id}.backup", count=1) def test_no_repo(memory_backup): with pytest.raises(ValueError): assert memory_backup.backupper.get_snapshots() == [] def test_one_snapshot(backups, dummy_service): Backups.back_up(dummy_service) snaps = Backups.get_snapshots(dummy_service) assert len(snaps) == 1 snap = snaps[0] assert snap.service_name == dummy_service.get_id() def test_backup_returns_snapshot(backups, dummy_service): service_folders = dummy_service.get_folders() provider = Backups.provider() name = dummy_service.get_id() snapshot = provider.backupper.start_backup(service_folders, name) assert snapshot.id is not None snapshots = provider.backupper.get_snapshots() assert snapshots != [] assert len(snapshot.id) == len(snapshots[0].id) assert Backups.get_snapshot_by_id(snapshot.id) is not None assert snapshot.service_name == name assert snapshot.created_at is not None assert snapshot.reason == BackupReason.EXPLICIT def test_backup_reasons(backups, dummy_service): snap = Backups.back_up(dummy_service, BackupReason.AUTO) assert snap.reason == BackupReason.AUTO Backups.force_snapshot_cache_reload() snaps = Backups.get_snapshots(dummy_service) assert snaps[0].reason == BackupReason.AUTO def folder_files(folder): return [ path.join(folder, filename) for filename in listdir(folder) if filename is not None ] def service_files(service): result = [] for service_folder in service.get_folders(): result.extend(folder_files(service_folder)) return result def test_restore(backups, dummy_service): paths_to_nuke = service_files(dummy_service) contents = [] for service_file in paths_to_nuke: with open(service_file, "r") as file: contents.append(file.read()) Backups.back_up(dummy_service) snap = Backups.get_snapshots(dummy_service)[0] assert snap is not None for p in paths_to_nuke: assert path.exists(p) remove(p) assert not path.exists(p) Backups._restore_service_from_snapshot(dummy_service, snap.id) for p, content in zip(paths_to_nuke, contents): assert path.exists(p) with open(p, "r") as file: assert file.read() == content def test_sizing(backups, dummy_service): Backups.back_up(dummy_service) snap = Backups.get_snapshots(dummy_service)[0] size = Backups.snapshot_restored_size(snap.id) assert size is not None assert size > 0 def test_init_tracking(backups, tmpdir): assert Backups.is_initted() is True Backups.reset() assert Backups.is_initted() is False separate_dir = tmpdir / "out_of_the_way" prepare_localfile_backups(separate_dir) Backups.init_repo() assert Backups.is_initted() is True def finished_jobs(): return [job for job in Jobs.get_jobs() if job.status is JobStatus.FINISHED] def assert_job_finished(job_type, count): finished_types = [job.type_id for job in finished_jobs()] assert finished_types.count(job_type) == count def assert_job_has_run(job_type): job = [job for job in finished_jobs() if job.type_id == job_type][0] assert JobStatus.RUNNING in Jobs.status_updates(job) def job_progress_updates(job_type): job = [job for job in finished_jobs() if job.type_id == job_type][0] return Jobs.progress_updates(job) def assert_job_had_progress(job_type): assert len(job_progress_updates(job_type)) > 0 def make_large_file(path: str, bytes: int): with open(path, "wb") as file: file.write(urandom(bytes)) def test_snapshots_by_id(backups, dummy_service): snap1 = Backups.back_up(dummy_service) snap2 = Backups.back_up(dummy_service) snap3 = Backups.back_up(dummy_service) assert snap2.id is not None assert snap2.id != "" assert len(Backups.get_snapshots(dummy_service)) == 3 assert Backups.get_snapshot_by_id(snap2.id).id == snap2.id @pytest.fixture(params=["instant_server_stop", "delayed_server_stop"]) def simulated_service_stopping_delay(request) -> float: if request.param == "instant_server_stop": return 0.0 else: return 0.3 def test_backup_service_task(backups, dummy_service, simulated_service_stopping_delay): dummy_service.set_delay(simulated_service_stopping_delay) handle = start_backup(dummy_service.get_id()) handle(blocking=True) snaps = Backups.get_snapshots(dummy_service) assert len(snaps) == 1 id = dummy_service.get_id() job_type_id = f"services.{id}.backup" assert_job_finished(job_type_id, count=1) assert_job_has_run(job_type_id) assert_job_had_progress(job_type_id) def test_forget_snapshot(backups, dummy_service): snap1 = Backups.back_up(dummy_service) snap2 = Backups.back_up(dummy_service) assert len(Backups.get_snapshots(dummy_service)) == 2 Backups.forget_snapshot(snap2) assert len(Backups.get_snapshots(dummy_service)) == 1 Backups.force_snapshot_cache_reload() assert len(Backups.get_snapshots(dummy_service)) == 1 assert Backups.get_snapshots(dummy_service)[0].id == snap1.id Backups.forget_snapshot(snap1) assert len(Backups.get_snapshots(dummy_service)) == 0 def test_forget_nonexistent_snapshot(backups, dummy_service): bogus = Snapshot( id="gibberjibber", service_name="nohoho", created_at=datetime.now(timezone.utc), reason=BackupReason.EXPLICIT, ) with pytest.raises(ValueError): Backups.forget_snapshot(bogus) def test_backup_larger_file(backups, dummy_service): dir = path.join(dummy_service.get_folders()[0], "LARGEFILE") mega = 2**20 make_large_file(dir, 100 * mega) handle = start_backup(dummy_service.get_id()) handle(blocking=True) # results will be slightly different on different machines. if someone has troubles with it on their machine, consider dropping this test. id = dummy_service.get_id() job_type_id = f"services.{id}.backup" assert_job_finished(job_type_id, count=1) assert_job_has_run(job_type_id) updates = job_progress_updates(job_type_id) assert len(updates) > 3 assert updates[int((len(updates) - 1) / 2.0)] > 10 # clean up a bit remove(dir) @pytest.fixture(params=["verify", "inplace"]) def restore_strategy(request) -> RestoreStrategy: if request.param == "verify": return RestoreStrategy.DOWNLOAD_VERIFY_OVERWRITE else: return RestoreStrategy.INPLACE @pytest.fixture(params=["failed", "healthy"]) def failed(request) -> bool: if request.param == "failed": return True return False def test_restore_snapshot_task( backups, dummy_service, restore_strategy, simulated_service_stopping_delay, failed ): dummy_service.set_delay(simulated_service_stopping_delay) if failed: dummy_service.set_status(ServiceStatus.FAILED) Backups.back_up(dummy_service) snaps = Backups.get_snapshots(dummy_service) assert len(snaps) == 1 paths_to_nuke = service_files(dummy_service) contents = [] for service_file in paths_to_nuke: with open(service_file, "r") as file: contents.append(file.read()) for p in paths_to_nuke: remove(p) handle = restore_snapshot(snaps[0], restore_strategy) handle(blocking=True) for p, content in zip(paths_to_nuke, contents): assert path.exists(p) with open(p, "r") as file: assert file.read() == content snaps = Backups.get_snapshots(dummy_service) if restore_strategy == RestoreStrategy.INPLACE: assert len(snaps) == 2 reasons = [snap.reason for snap in snaps] assert BackupReason.PRE_RESTORE in reasons else: assert len(snaps) == 1 def test_backup_unbackuppable(backups, dummy_service): dummy_service.set_backuppable(False) assert dummy_service.can_be_backed_up() is False with pytest.raises(ValueError): Backups.back_up(dummy_service) # Storage def test_snapshots_caching(backups, dummy_service): Backups.back_up(dummy_service) # we test indirectly that we do redis calls instead of shell calls start = datetime.now() for i in range(10): snapshots = Backups.get_snapshots(dummy_service) assert len(snapshots) == 1 assert datetime.now() - start < timedelta(seconds=0.5) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 snap_to_uncache = cached_snapshots[0] Storage.delete_cached_snapshot(snap_to_uncache) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 0 # We do not assume that no snapshots means we need to reload the cache snapshots = Backups.get_snapshots(dummy_service) assert len(snapshots) == 0 # No cache reload happened cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 0 # Storage def test_snapshot_cache_autoreloads(backups, dummy_service): Backups.back_up(dummy_service) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 snap_to_uncache = cached_snapshots[0] Storage.delete_cached_snapshot(snap_to_uncache) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 0 # When we create a snapshot we do reload cache Backups.back_up(dummy_service) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 2 assert snap_to_uncache in cached_snapshots Storage.delete_cached_snapshot(snap_to_uncache) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 # When we try to delete a snapshot we cannot find in cache, it is ok and we do reload cache Backups.forget_snapshot(snap_to_uncache) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 assert snap_to_uncache not in cached_snapshots def lowlevel_forget(snapshot_id): Backups.provider().backupper.forget_snapshot(snapshot_id) # Storage def test_snapshots_cache_invalidation(backups, dummy_service): Backups.back_up(dummy_service) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 Storage.invalidate_snapshot_storage() cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 0 Backups.force_snapshot_cache_reload() cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 snap = cached_snapshots[0] lowlevel_forget(snap.id) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 Backups.force_snapshot_cache_reload() cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 0 # Storage def test_init_tracking_caching(backups, raw_dummy_service): assert Storage.has_init_mark() is True Backups.reset() assert Storage.has_init_mark() is False Storage.mark_as_init() assert Storage.has_init_mark() is True assert Backups.is_initted() is True # Storage def test_init_tracking_caching2(backups, tmpdir): assert Storage.has_init_mark() is True Backups.reset() assert Storage.has_init_mark() is False separate_dir = tmpdir / "out_of_the_way" prepare_localfile_backups(separate_dir) assert Storage.has_init_mark() is False Backups.init_repo() assert Storage.has_init_mark() is True # Storage def test_provider_storage(backups): test_login = "ID" test_key = "KEY" test_location = "selprivacy_bin" old_provider = Backups.provider() assert old_provider is not None assert not isinstance(old_provider, Backblaze) assert old_provider.login != test_login assert old_provider.key != test_key assert old_provider.location != test_location test_provider = Backups._construct_provider( kind=BackupProvider.BACKBLAZE, login="ID", key=test_key, location=test_location ) assert isinstance(test_provider, Backblaze) assert get_kind(test_provider) == "BACKBLAZE" assert test_provider.login == test_login assert test_provider.key == test_key assert test_provider.location == test_location Storage.store_provider(test_provider) restored_provider_model = Storage.load_provider() assert restored_provider_model.kind == "BACKBLAZE" assert restored_provider_model.login == test_login assert restored_provider_model.key == test_key assert restored_provider_model.location == test_location restored_provider = Backups._load_provider_redis() assert isinstance(restored_provider, Backblaze) assert restored_provider.login == test_login assert restored_provider.key == test_key assert restored_provider.location == test_location # Revert our mess so we can teardown ok Storage.store_provider(old_provider) def test_sync(dummy_service): src = dummy_service.get_folders()[0] dst = dummy_service.get_folders()[1] old_files_src = set(listdir(src)) old_files_dst = set(listdir(dst)) assert old_files_src != old_files_dst sync(src, dst) new_files_src = set(listdir(src)) new_files_dst = set(listdir(dst)) assert new_files_src == old_files_src assert new_files_dst == new_files_src def test_sync_nonexistent_src(dummy_service): src = "/var/lib/nonexistentFluffyBunniesOfUnix" dst = dummy_service.get_folders()[1] with pytest.raises(ValueError): sync(src, dst) def test_move_blocks_backups(backups, dummy_service, restore_strategy): snap = Backups.back_up(dummy_service) job = Jobs.add( type_id=f"services.{dummy_service.get_id()}.move", name="Move Dummy", description=f"Moving Dummy data to the Rainbow Land", status=JobStatus.RUNNING, ) with pytest.raises(ValueError): Backups.back_up(dummy_service) with pytest.raises(ValueError): Backups.restore_snapshot(snap, restore_strategy) def test_double_lock_unlock(backups, dummy_service): # notice that introducing stale locks is only safe for other tests if we erase repo in between # which we do at the time of writing this test Backups.provider().backupper.lock() with pytest.raises(ValueError): Backups.provider().backupper.lock() Backups.provider().backupper.unlock() Backups.provider().backupper.lock() Backups.provider().backupper.unlock() Backups.provider().backupper.unlock() def test_operations_while_locked(backups, dummy_service): # Stale lock prevention test # consider making it fully at the level of backupper? # because this is where prevention lives? # Backups singleton is here only so that we can run this against B2, S3 and whatever # But maybe it is not necessary (if restic treats them uniformly enough) Backups.provider().backupper.lock() snap = Backups.back_up(dummy_service) assert snap is not None Backups.provider().backupper.lock() # using lowlevel to make sure no caching interferes assert Backups.provider().backupper.is_initted() is True Backups.provider().backupper.lock() assert Backups.snapshot_restored_size(snap.id) > 0 Backups.provider().backupper.lock() Backups.restore_snapshot(snap) Backups.provider().backupper.lock() Backups.forget_snapshot(snap) Backups.provider().backupper.lock() assert Backups.provider().backupper.get_snapshots() == [] # check that no locks were left Backups.provider().backupper.lock() Backups.provider().backupper.unlock() # a paranoid check to weed out problems with tempdirs that are not dependent on us def test_tempfile(): with tempfile.TemporaryDirectory() as temp: assert path.exists(temp) assert not path.exists(temp) # Storage def test_cache_invalidaton_task(backups, dummy_service): Backups.back_up(dummy_service) assert len(Storage.get_cached_snapshots()) == 1 # Does not trigger resync Storage.invalidate_snapshot_storage() assert Storage.get_cached_snapshots() == [] reload_snapshot_cache() assert len(Storage.get_cached_snapshots()) == 1