import pytest import os import os.path as path from os import makedirs from os import remove from os import listdir from os import urandom from datetime import datetime, timedelta, timezone from subprocess import Popen import tempfile import selfprivacy_api.services as services from selfprivacy_api.services import Service, get_all_services from selfprivacy_api.services.service import ServiceStatus from selfprivacy_api.services import get_service_by_id from selfprivacy_api.services.test_service import DummyService from selfprivacy_api.graphql.queries.providers import BackupProvider from selfprivacy_api.graphql.common_types.backup import RestoreStrategy 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.util import sync from selfprivacy_api.backup.backuppers.restic_backupper import ResticBackupper from selfprivacy_api.backup.jobs import add_backup_job, add_restore_job from selfprivacy_api.backup.tasks import ( start_backup, restore_snapshot, reload_snapshot_cache, ) from selfprivacy_api.backup.storage import Storage from selfprivacy_api.backup.jobs import get_backup_job TESTFILE_BODY = "testytest!" TESTFILE_2_BODY = "testissimo!" REPO_NAME = "test_backup" def prepare_localfile_backups(temp_dir): test_repo_path = path.join(temp_dir, "totallyunrelated") 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 any repo Backups.reset() if BACKUP_PROVIDER_ENVS["kind"] in os.environ.keys(): Backups.set_provider_from_envs() else: prepare_localfile_backups(tmpdir) Jobs.reset() # assert not repo_path Backups.init_repo() yield Backups.erase_repo() @pytest.fixture() def backups_backblaze(generic_userdata): Backups.reset(reset_json=False) @pytest.fixture() def raw_dummy_service(tmpdir): dirnames = ["test_service", "also_test_service"] service_dirs = [] for d in dirnames: service_dir = path.join(tmpdir, d) makedirs(service_dir) service_dirs.append(service_dir) testfile_path_1 = path.join(service_dirs[0], "testfile.txt") with open(testfile_path_1, "w") as file: file.write(TESTFILE_BODY) testfile_path_2 = path.join(service_dirs[1], "testfile2.txt") with open(testfile_path_2, "w") as file: file.write(TESTFILE_2_BODY) # we need this to not change get_folders() much class TestDummyService(DummyService, folders=service_dirs): pass service = TestDummyService() return service @pytest.fixture() def dummy_service(tmpdir, backups, raw_dummy_service) -> Service: service = raw_dummy_service # register our service services.services.append(service) assert get_service_by_id(service.get_id()) is not None yield service # cleanup because apparently it matters wrt tasks services.services.remove(service) @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_config_load(generic_userdata): Backups.reset(reset_json=False) 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" 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_json_reset(generic_userdata): Backups.reset(reset_json=False) provider = Backups.provider() assert provider is not None assert isinstance(provider, Backblaze) assert provider.login == "ID" assert provider.key == "KEY" assert provider.location == "selfprivacy" Backups.reset() provider = Backups.provider() assert provider is not None assert isinstance(provider, AbstractBackupProvider) assert provider.login == "" assert provider.key == "" assert provider.location == "" assert provider.repo_id == "" 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.get_all_snapshots() Backups.init_repo() assert Backups.is_initted() is True assert len(Backups.get_all_snapshots()) == 0 def test_backup_simple_file(raw_dummy_service, file_backup): # temporarily incomplete service = raw_dummy_service assert service is not None assert file_backup is not None name = service.get_id() file_backup.backupper.init() 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 assert len(snapshot.id) == len(Backups.get_all_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 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) 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) ) 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) 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 else: assert len(snaps) == 1 def test_set_autobackup_period(backups): assert Backups.autobackup_period_minutes() is None Backups.set_autobackup_period_minutes(2) assert Backups.autobackup_period_minutes() == 2 Backups.disable_all_autobackup() assert Backups.autobackup_period_minutes() is None Backups.set_autobackup_period_minutes(3) assert Backups.autobackup_period_minutes() == 3 Backups.set_autobackup_period_minutes(0) assert Backups.autobackup_period_minutes() is None Backups.set_autobackup_period_minutes(3) assert Backups.autobackup_period_minutes() == 3 Backups.set_autobackup_period_minutes(-1) assert Backups.autobackup_period_minutes() is None def test_no_default_autobackup(backups, dummy_service): now = datetime.now(timezone.utc) assert not Backups.is_time_to_backup_service(dummy_service, now) assert not Backups.is_time_to_backup(now) def backuppable_services() -> list[Service]: return [service for service in get_all_services() if service.can_be_backed_up()] def test_services_to_back_up(backups, dummy_service): backup_period = 13 # minutes now = datetime.now(timezone.utc) dummy_service.set_backuppable(False) services = Backups.services_to_back_up(now) assert len(services) == 0 dummy_service.set_backuppable(True) services = Backups.services_to_back_up(now) assert len(services) == 0 Backups.set_autobackup_period_minutes(backup_period) services = Backups.services_to_back_up(now) assert len(services) == len(backuppable_services()) assert dummy_service.get_id() in [ service.get_id() for service in backuppable_services() ] def test_autobackup_timer_periods(backups, dummy_service): now = datetime.now(timezone.utc) backup_period = 13 # minutes assert not Backups.is_time_to_backup_service(dummy_service, now) assert not Backups.is_time_to_backup(now) Backups.set_autobackup_period_minutes(backup_period) assert Backups.is_time_to_backup_service(dummy_service, now) assert Backups.is_time_to_backup(now) Backups.set_autobackup_period_minutes(0) assert not Backups.is_time_to_backup_service(dummy_service, now) assert not Backups.is_time_to_backup(now) def test_autobackup_timer_enabling(backups, dummy_service): now = datetime.now(timezone.utc) backup_period = 13 # minutes dummy_service.set_backuppable(False) Backups.set_autobackup_period_minutes(backup_period) assert Backups.is_time_to_backup( now ) # there are other services too, not just our dummy # not backuppable service is not backuppable even if period is set assert not Backups.is_time_to_backup_service(dummy_service, now) dummy_service.set_backuppable(True) assert dummy_service.can_be_backed_up() assert Backups.is_time_to_backup_service(dummy_service, now) Backups.disable_all_autobackup() assert not Backups.is_time_to_backup_service(dummy_service, now) assert not Backups.is_time_to_backup(now) def test_autobackup_timing(backups, dummy_service): backup_period = 13 # minutes now = datetime.now(timezone.utc) Backups.set_autobackup_period_minutes(backup_period) assert Backups.is_time_to_backup_service(dummy_service, now) assert Backups.is_time_to_backup(now) Backups.back_up(dummy_service) now = datetime.now(timezone.utc) assert not Backups.is_time_to_backup_service(dummy_service, now) past = datetime.now(timezone.utc) - timedelta(minutes=1) assert not Backups.is_time_to_backup_service(dummy_service, past) future = datetime.now(timezone.utc) + timedelta(minutes=backup_period + 2) assert Backups.is_time_to_backup_service(dummy_service, future) # 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 Storage.delete_cached_snapshot(cached_snapshots[0]) cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 0 snapshots = Backups.get_snapshots(dummy_service) assert len(snapshots) == 1 cached_snapshots = Storage.get_cached_snapshots() assert len(cached_snapshots) == 1 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_backblaze): provider = Backups.provider() assert provider is not None assert isinstance(provider, Backblaze) assert provider.login == "ID" assert provider.key == "KEY" Storage.store_provider(provider) restored_provider = Backups._load_provider_redis() assert isinstance(restored_provider, Backblaze) assert restored_provider.login == "ID" assert restored_provider.key == "KEY" 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