selfprivacy-rest-api/tests/test_graphql/test_backup.py

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import pytest
import os
import os.path as path
from os import makedirs
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from os import remove
from os import listdir
from os import urandom
from datetime import datetime, timedelta, timezone
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from subprocess import Popen
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import selfprivacy_api.services as services
from selfprivacy_api.services import Service, get_all_services
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from selfprivacy_api.services import get_service_by_id
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from selfprivacy_api.services.test_service import DummyService
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from selfprivacy_api.graphql.queries.providers import BackupProvider
from selfprivacy_api.graphql.common_types.backup import RestoreStrategy
from selfprivacy_api.jobs import Jobs, JobStatus
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from selfprivacy_api.models.backup.snapshot import Snapshot
from selfprivacy_api.backup import Backups, BACKUP_PROVIDER_ENVS
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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
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from selfprivacy_api.backup.backuppers.restic_backupper import ResticBackupper
from selfprivacy_api.backup.jobs import add_backup_job, add_restore_job
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from selfprivacy_api.backup.tasks import start_backup, restore_snapshot
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from selfprivacy_api.backup.storage import Storage
from selfprivacy_api.backup.jobs import get_backup_job
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TESTFILE_BODY = "testytest!"
TESTFILE_2_BODY = "testissimo!"
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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)
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@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)
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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):
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pass
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service = TestDummyService()
return service
@pytest.fixture()
def dummy_service(tmpdir, backups, raw_dummy_service) -> Service:
service = raw_dummy_service
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# 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)
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@pytest.fixture()
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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
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def test_config_load(generic_userdata):
Backups.reset(reset_json=False)
provider = Backups.provider()
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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"
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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]
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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 == ""
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def test_select_backend():
provider = providers.get_provider(BackupProvider.BACKBLAZE)
assert provider is not None
assert provider == Backblaze
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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):
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# 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)
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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)
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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()
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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
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def folder_files(folder):
return [
path.join(folder, filename)
for filename in listdir(folder)
if filename is not None
]
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def service_files(service):
result = []
for service_folder in service.get_folders():
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result.extend(folder_files(service_folder))
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return result
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def test_restore(backups, dummy_service):
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paths_to_nuke = service_files(dummy_service)
contents = []
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for service_file in paths_to_nuke:
with open(service_file, "r") as file:
contents.append(file.read())
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Backups.back_up(dummy_service)
snap = Backups.get_snapshots(dummy_service)[0]
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assert snap is not None
for p in paths_to_nuke:
assert path.exists(p)
remove(p)
assert not path.exists(p)
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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
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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)
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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()
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assert Backups.is_initted() is True
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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)
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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)
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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
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assert updates[int((len(updates) - 1) / 2.0)] > 10
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# 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
def test_restore_snapshot_task(
backups, dummy_service, restore_strategy, simulated_service_stopping_delay
):
dummy_service.set_delay(simulated_service_stopping_delay)
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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)
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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
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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
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def test_no_default_autobackup(backups, dummy_service):
now = datetime.now(timezone.utc)
assert not Backups.is_time_to_backup_service(dummy_service, now)
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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()
]
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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)
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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)
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assert Backups.is_time_to_backup(now)
Backups.set_autobackup_period_minutes(0)
assert not Backups.is_time_to_backup_service(dummy_service, now)
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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)
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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)
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dummy_service.set_backuppable(True)
assert dummy_service.can_be_backed_up()
assert Backups.is_time_to_backup_service(dummy_service, now)
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Backups.disable_all_autobackup()
assert not Backups.is_time_to_backup_service(dummy_service, now)
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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)
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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)
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past = datetime.now(timezone.utc) - timedelta(minutes=1)
assert not Backups.is_time_to_backup_service(dummy_service, past)
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future = datetime.now(timezone.utc) + timedelta(minutes=backup_period + 2)
assert Backups.is_time_to_backup_service(dummy_service, future)
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# 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
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# 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
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Storage.mark_as_init()
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assert Storage.has_init_mark() is True
assert Backups.is_initted() is True
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# 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
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Backups.init_repo()
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assert Storage.has_init_mark() is True
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# 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()
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assert isinstance(restored_provider, Backblaze)
assert restored_provider.login == "ID"
assert restored_provider.key == "KEY"
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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)
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# Restic lowlevel
def test_mount_umount(backups, dummy_service, tmpdir):
Backups.back_up(dummy_service)
backupper = Backups.provider().backupper
assert isinstance(backupper, ResticBackupper)
mountpoint = tmpdir / "mount"
makedirs(mountpoint)
assert path.exists(mountpoint)
assert len(listdir(mountpoint)) == 0
handle = backupper.mount_repo(mountpoint)
assert len(listdir(mountpoint)) != 0
backupper.unmount_repo(mountpoint)
# handle.terminate()
assert len(listdir(mountpoint)) == 0
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):
Backups.provider().backupper.lock()
snap = Backups.back_up(dummy_service)
assert snap is not None