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feature(services): check before moving task and before move itself

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Houkime 2024-02-18 23:58:00 +00:00 committed by Inex Code
parent d7ef2ed09a
commit 17a1e34c0d
13 changed files with 192 additions and 229 deletions
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36
selfprivacy_api/actions/services.py Normal file
View file

@ -0,0 +1,36 @@
from selfprivacy_api.utils.block_devices import BlockDevices
from selfprivacy_api.jobs import Jobs, Job
from selfprivacy_api.services import get_service_by_id
from selfprivacy_api.services.tasks import move_service as move_service_task
class ServiceNotFoundError(Exception):
pass
class VolumeNotFoundError(Exception):
pass
def move_service(service_id: str, volume_name: str) -> Job:
service = get_service_by_id(service_id)
if service is None:
raise ServiceNotFoundError(f"No such service:{service_id}")
volume = BlockDevices().get_block_device(volume_name)
if volume is None:
raise VolumeNotFoundError(f"No such volume:{volume_name}")
service.assert_can_move(volume)
job = Jobs.add(
type_id=f"services.{service.get_id()}.move",
name=f"Move {service.get_display_name()}",
description=f"Moving {service.get_display_name()} data to {volume.name}",
)
handle = move_service_task(service, volume, job)
# Nonblocking
handle()
return job

51
selfprivacy_api/graphql/mutations/services_mutations.py
View file

@ -5,18 +5,25 @@ import strawberry
from selfprivacy_api.graphql import IsAuthenticated
from selfprivacy_api.graphql.common_types.jobs import job_to_api_job
from selfprivacy_api.jobs import JobStatus
from selfprivacy_api.utils.block_devices import BlockDevices
from selfprivacy_api.graphql.common_types.service import (
Service,
service_to_graphql_service,
)
from selfprivacy_api.graphql.mutations.mutation_interface import (
GenericJobMutationReturn,
GenericMutationReturn,
)
from selfprivacy_api.graphql.common_types.service import (
Service,
service_to_graphql_service,
)
from selfprivacy_api.actions.services import (
move_service,
ServiceNotFoundError,
VolumeNotFoundError,
)
from selfprivacy_api.services.moving import MoveError
from selfprivacy_api.services import get_service_by_id
from selfprivacy_api.utils.block_devices import BlockDevices
@strawberry.type
@ -60,7 +67,7 @@ class ServicesMutations:
except Exception as e:
return ServiceMutationReturn(
success=False,
message=format_error(e),
message=pretty_error(e),
code=400,
)
@ -86,7 +93,7 @@ class ServicesMutations:
except Exception as e:
return ServiceMutationReturn(
success=False,
message=format_error(e),
message=pretty_error(e),
code=400,
)
return ServiceMutationReturn(
@ -153,31 +160,31 @@ class ServicesMutations:
@strawberry.mutation(permission_classes=[IsAuthenticated])
def move_service(self, input: MoveServiceInput) -> ServiceJobMutationReturn:
"""Move service."""
# We need a service instance for a reply later
service = get_service_by_id(input.service_id)
if service is None:
return ServiceJobMutationReturn(
success=False,
message=f"Service not found: {input.service_id}",
message=f"Service does not exist: {input.service_id}",
code=404,
)
# TODO: make serviceImmovable and BlockdeviceNotFound exceptions
# in the move_to_volume() function and handle them here
if not service.is_movable():
try:
job = move_service(input.service_id, input.location)
except (ServiceNotFoundError, VolumeNotFoundError) as e:
return ServiceJobMutationReturn(
success=False,
message=f"Service is not movable: {service.get_display_name()}",
message=pretty_error(e),
code=404,
)
except Exception as e:
return ServiceJobMutationReturn(
success=False,
message=pretty_error(e),
code=400,
service=service_to_graphql_service(service),
)
volume = BlockDevices().get_block_device(input.location)
if volume is None:
return ServiceJobMutationReturn(
success=False,
message=f"Volume not found: {input.location}",
code=404,
service=service_to_graphql_service(service),
)
job = service.move_to_volume(volume)
if job.status in [JobStatus.CREATED, JobStatus.RUNNING]:
return ServiceJobMutationReturn(
success=True,
@ -204,5 +211,5 @@ class ServicesMutations:
)
def format_error(e: Exception) -> str:
def pretty_error(e: Exception) -> str:
return type(e).__name__ + ": " + str(e)

23
selfprivacy_api/services/bitwarden/__init__.py
View file

@ -3,12 +3,10 @@ import base64
import subprocess
from typing import Optional, List
from selfprivacy_api.jobs import Job, Jobs
from selfprivacy_api.services.generic_service_mover import FolderMoveNames, move_service
from selfprivacy_api.utils import get_domain
from selfprivacy_api.utils.systemd import get_service_status
from selfprivacy_api.services.service import Service, ServiceStatus
from selfprivacy_api.utils import get_domain
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.services.bitwarden.icon import BITWARDEN_ICON
@ -101,20 +99,3 @@ class Bitwarden(Service):
@staticmethod
def get_folders() -> List[str]:
return ["/var/lib/bitwarden", "/var/lib/bitwarden_rs"]
def move_to_volume(self, volume: BlockDevice) -> Job:
job = Jobs.add(
type_id="services.bitwarden.move",
name="Move Bitwarden",
description=f"Moving Bitwarden data to {volume.name}",
)
move_service(
self,
volume,
job,
FolderMoveNames.default_foldermoves(self),
"bitwarden",
)
return job

23
selfprivacy_api/services/gitea/__init__.py
View file

@ -3,12 +3,10 @@ import base64
import subprocess
from typing import Optional, List
from selfprivacy_api.jobs import Job, Jobs
from selfprivacy_api.services.generic_service_mover import FolderMoveNames, move_service
from selfprivacy_api.utils import get_domain
from selfprivacy_api.utils.systemd import get_service_status
from selfprivacy_api.services.service import Service, ServiceStatus
from selfprivacy_api.utils import get_domain
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.services.gitea.icon import GITEA_ICON
@ -96,20 +94,3 @@ class Gitea(Service):
@staticmethod
def get_folders() -> List[str]:
return ["/var/lib/gitea"]
def move_to_volume(self, volume: BlockDevice) -> Job:
job = Jobs.add(
type_id="services.gitea.move",
name="Move Gitea",
description=f"Moving Gitea data to {volume.name}",
)
move_service(
self,
volume,
job,
FolderMoveNames.default_foldermoves(self),
"gitea",
)
return job

20
selfprivacy_api/services/mailserver/__init__.py
View file

@ -4,14 +4,11 @@ import base64
import subprocess
from typing import Optional, List
from selfprivacy_api.jobs import Job, Jobs
from selfprivacy_api.services.generic_service_mover import FolderMoveNames, move_service
from selfprivacy_api.utils.systemd import (
get_service_status_from_several_units,
)
from selfprivacy_api.services.service import Service, ServiceDnsRecord, ServiceStatus
from selfprivacy_api import utils
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.services.mailserver.icon import MAILSERVER_ICON
@ -166,20 +163,3 @@ class MailServer(Service):
),
)
return dns_records
def move_to_volume(self, volume: BlockDevice) -> Job:
job = Jobs.add(
type_id="services.email.move",
name="Move Mail Server",
description=f"Moving mailserver data to {volume.name}",
)
move_service(
self,
volume,
job,
FolderMoveNames.default_foldermoves(self),
"simple-nixos-mailserver",
)
return job

30
selfprivacy_api/services/moving.py
View file

@ -14,10 +14,9 @@ from selfprivacy_api.services.owned_path import OwnedPath
class MoveError(Exception):
"""Move failed"""
def get_foldername(path: str) -> str:
return path.split("/")[-1]
def get_foldername(p: OwnedPath) -> str:
return p.path.split("/")[-1]
def check_volume(volume: BlockDevice, space_needed: int) -> bool:
@ -26,10 +25,7 @@ def check_volume(volume: BlockDevice, space_needed: int) -> bool:
raise MoveError("Not enough space on the new volume.")
# Make sure the volume is mounted
if (
not volume.is_root()
and f"/volumes/{volume.name}" not in volume.mountpoints
):
if not volume.is_root() and f"/volumes/{volume.name}" not in volume.mountpoints:
raise MoveError("Volume is not mounted.")
@ -39,11 +35,11 @@ def check_folders(current_volume: BlockDevice, folders: List[OwnedPath]) -> None
path = pathlib.Path(f"/volumes/{current_volume}/{get_foldername(folder)}")
if not path.exists():
raise MoveError(f"{path} is not found.")
raise MoveError(f"directory {path} is not found.")
if not path.is_dir():
raise MoveError(f"{path} is not a directory.")
if path.owner() != folder.owner:
raise MoveError(f"{path} owner is not {folder.owner}.")
raise MoveError(f"{path} is not owned by {folder.owner}.")
def unbind_folders(owned_folders: List[OwnedPath]) -> None:
@ -66,7 +62,7 @@ def move_folders_to_volume(
current_progress = job.progress
folder_percentage = 50 // len(folders)
for folder in folders:
folder_name = get_foldername(folder.path)
folder_name = get_foldername(folder)
shutil.move(
f"/volumes/{old_volume}/{folder_name}",
f"/volumes/{new_volume.name}/{folder_name}",
@ -75,11 +71,9 @@ def move_folders_to_volume(
report_progress(progress, job, "Moving data to new volume...")
def ensure_folder_ownership(
folders: List[OwnedPath], volume: BlockDevice
) -> None:
def ensure_folder_ownership(folders: List[OwnedPath], volume: BlockDevice) -> None:
for folder in folders:
true_location = f"/volumes/{volume.name}/{get_foldername(folder.path)}"
true_location = f"/volumes/{volume.name}/{get_foldername(folder)}"
try:
subprocess.run(
[
@ -87,12 +81,14 @@ def ensure_folder_ownership(
"-R",
f"{folder.owner}:{folder.group}",
# Could we just chown the binded location instead?
true_location
true_location,
],
check=True,
)
except subprocess.CalledProcessError as error:
error_message = f"Unable to set ownership of {true_location} :{error.output}"
error_message = (
f"Unable to set ownership of {true_location} :{error.output}"
)
print(error.output)
raise MoveError(error_message)
@ -104,7 +100,7 @@ def bind_folders(folders: List[OwnedPath], volume: BlockDevice) -> None:
[
"mount",
"--bind",
f"/volumes/{volume.name}/{get_foldername(folder.path)}",
f"/volumes/{volume.name}/{get_foldername(folder)}",
folder.path,
],
check=True,

22
selfprivacy_api/services/nextcloud/__init__.py
View file

@ -2,12 +2,13 @@
import base64
import subprocess
from typing import Optional, List
from selfprivacy_api.utils import get_domain
from selfprivacy_api.jobs import Job, Jobs
from selfprivacy_api.services.generic_service_mover import FolderMoveNames, move_service
from selfprivacy_api.utils.systemd import get_service_status
from selfprivacy_api.services.service import Service, ServiceStatus
from selfprivacy_api.utils import get_domain
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.services.nextcloud.icon import NEXTCLOUD_ICON
@ -101,18 +102,3 @@ class Nextcloud(Service):
@staticmethod
def get_folders() -> List[str]:
return ["/var/lib/nextcloud"]
def move_to_volume(self, volume: BlockDevice) -> Job:
job = Jobs.add(
type_id="services.nextcloud.move",
name="Move Nextcloud",
description=f"Moving Nextcloud to volume {volume.name}",
)
move_service(
self,
volume,
job,
FolderMoveNames.default_foldermoves(self),
"nextcloud",
)
return job

27
selfprivacy_api/services/pleroma/__init__.py
View file

@ -2,13 +2,13 @@
import base64
import subprocess
from typing import Optional, List
from selfprivacy_api.jobs import Job, Jobs
from selfprivacy_api.services.generic_service_mover import FolderMoveNames, move_service
from selfprivacy_api.utils import get_domain
from selfprivacy_api.services.owned_path import OwnedPath
from selfprivacy_api.utils.systemd import get_service_status
from selfprivacy_api.services.service import Service, ServiceStatus
from selfprivacy_api.services.owned_path import OwnedPath
from selfprivacy_api.utils import get_domain
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.services.pleroma.icon import PLEROMA_ICON
@ -88,7 +88,7 @@ class Pleroma(Service):
def get_owned_folders() -> List[OwnedPath]:
"""
Get a list of occupied directories with ownership info
pleroma has folders that are owned by different users
Pleroma has folders that are owned by different users
"""
return [
OwnedPath(
@ -102,18 +102,3 @@ class Pleroma(Service):
group="postgres",
),
]
def move_to_volume(self, volume: BlockDevice) -> Job:
job = Jobs.add(
type_id="services.pleroma.move",
name="Move Pleroma",
description=f"Moving Pleroma to volume {volume.name}",
)
move_service(
self,
volume,
job,
FolderMoveNames.default_foldermoves(self),
"pleroma",
)
return job

56
selfprivacy_api/services/service.py
View file

@ -10,7 +10,15 @@ from selfprivacy_api.utils.block_devices import BlockDevice, BlockDevices
from selfprivacy_api.services.generic_size_counter import get_storage_usage
from selfprivacy_api.services.owned_path import OwnedPath
from selfprivacy_api.services.moving import check_folders, check_volume, unbind_folders, bind_folders, ensure_folder_ownership, MoveError, move_folders_to_volume
from selfprivacy_api.services.moving import (
check_folders,
check_volume,
unbind_folders,
bind_folders,
ensure_folder_ownership,
MoveError,
move_folders_to_volume,
)
from selfprivacy_api import utils
from selfprivacy_api.utils.waitloop import wait_until_true
@ -316,12 +324,15 @@ class Service(ABC):
Checks if the service can be moved to new volume
Raises errors if it cannot
"""
service_name = self.get_display_name()
if not self.is_movable():
raise MoveError(f"{service_name} is not movable")
with ReadUserData() as user_data:
if not user_data.get("useBinds", False):
raise MoveError("Server is not using binds.")
current_volume_name = self.get_drive()
service_name = self.get_display_name()
if current_volume_name == new_volume.name:
raise MoveError(f"{service_name} is already on volume {new_volume}")
@ -333,7 +344,6 @@ class Service(ABC):
check_folders(current_volume_name, owned_folders)
def do_move_to_volume(
self,
new_volume: BlockDevice,
@ -341,19 +351,11 @@ class Service(ABC):
):
"""
Move a service to another volume.
Is not allowed to raise errors because it is a task.
"""
service_name = self.get_display_name()
old_volume_name = self.get_drive()
owned_folders = self.get_owned_folders()
report_progress(0, job, "Performing pre-move checks...")
# TODO: move trying to the task
try:
report_progress(5, job, f"Stopping {service_name}...")
with StoppedService(self):
report_progress(10, job, "Unmounting folders from old volume...")
unbind_folders(owned_folders)
@ -366,13 +368,18 @@ class Service(ABC):
except Exception as error:
# We have logged it via print and we additionally log it here in the error field
# We are continuing anyway but Job has no warning field
Jobs.update(job, JobStatus.RUNNING, error=f"Service {service_name} will not be able to write files: " + str(error))
Jobs.update(
job,
JobStatus.RUNNING,
error=f"Service {service_name} will not be able to write files: "
+ str(error),
)
report_progress(90, job, f"Mounting {service_name} data...")
bind_folders(owned_folders, new_volume)
report_progress(95, job, f"Finishing moving {service_name}...")
self.set_location(self, new_volume)
self.set_location(new_volume)
Jobs.update(
job=job,
@ -381,19 +388,20 @@ class Service(ABC):
status_text=f"Starting {service_name}...",
progress=100,
)
except Exception as e:
Jobs.update(
job=job,
status=JobStatus.ERROR,
error=type(e).__name__ + " " + str(e),
)
def move_to_volume(self, volume: BlockDevice, job: Job) -> Job:
service_name = self.get_display_name()
@abstractmethod
def move_to_volume(self, volume: BlockDevice) -> Job:
"""Cannot raise errors.
Returns errors as an errored out Job instead."""
pass
report_progress(0, job, "Performing pre-move checks...")
self.assert_can_move(volume)
report_progress(5, job, f"Stopping {service_name}...")
assert self is not None
with StoppedService(self):
report_progress(9, job, f"Stopped server, starting the move...")
self.do_move_to_volume(volume, job)
return job
@classmethod
def owned_path(cls, path: str):

21
selfprivacy_api/services/tasks.py
View file

@ -1,11 +1,22 @@
from selfprivacy_api.services import Service
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.utils.huey import huey
from selfprivacy_api.jobs import Job, Jobs, JobStatus
@huey.task()
def move_service(
service: Service,
new_volume: BlockDevice,
):
service.move_to_volume(new_volume)
def move_service(service: Service, new_volume: BlockDevice, job: Job) -> bool:
"""
Move service's folders to new physical volume
Does not raise exceptions (we cannot handle exceptions from tasks).
Reports all errors via job.
"""
try:
service.move_to_volume(new_volume, job)
except Exception as e:
Jobs.update(
job=job,
status=JobStatus.ERROR,
error=type(e).__name__ + " " + str(e),
)
return True

18
selfprivacy_api/services/test_service/__init__.py
View file

@ -11,7 +11,6 @@ from os import path
from selfprivacy_api.jobs import Job, Jobs, JobStatus
from selfprivacy_api.services.service import Service, ServiceDnsRecord, ServiceStatus
from selfprivacy_api.utils.block_devices import BlockDevice
from selfprivacy_api.services.generic_service_mover import move_service, FolderMoveNames
import selfprivacy_api.utils.network as network_utils
from selfprivacy_api.services.test_service.icon import BITWARDEN_ICON
@ -189,23 +188,10 @@ class DummyService(Service):
def get_folders(cls) -> List[str]:
return cls.folders
def move_to_volume(self, volume: BlockDevice) -> Job:
job = Jobs.add(
type_id=f"services.{self.get_id()}.move",
name=f"Move {self.get_display_name()}",
description=f"Moving {self.get_display_name()} data to {volume.name}",
)
def do_move_to_volume(self, volume: BlockDevice, job: Job) -> Job:
if self.simulate_moving is False:
# completely generic code, TODO: make it the default impl.
move_service(
self,
volume,
job,
FolderMoveNames.default_foldermoves(self),
self.get_id(),
)
return super(DummyService, self).do_move_to_volume(volume, job)
else:
Jobs.update(job, status=JobStatus.FINISHED)
self.set_drive(volume.name)
return job

17
tests/test_graphql/test_services.py
View file

@ -8,6 +8,8 @@ from selfprivacy_api.services import get_service_by_id
from selfprivacy_api.services.service import Service, ServiceStatus
from selfprivacy_api.services.test_service import DummyService
# from selfprivacy_api.services.moving import check_folders
from tests.common import generate_service_query
from tests.test_graphql.common import assert_empty, assert_ok, get_data
from tests.test_block_device_utils import lsblk_singular_mock
@ -32,7 +34,7 @@ MOVER_MOCK_PROCESS = CompletedProcess(["ls"], returncode=0)
@pytest.fixture()
def mock_check_service_mover_folders(mocker):
mock = mocker.patch(
"selfprivacy_api.services.generic_service_mover.check_folders",
"selfprivacy_api.services.service.check_folders",
autospec=True,
return_value=None,
)
@ -495,9 +497,14 @@ def test_disable_enable(authorized_client, only_dummy_service):
def test_move_immovable(authorized_client, only_dummy_service):
dummy_service = only_dummy_service
dummy_service.set_movable(False)
mutation_response = api_move(authorized_client, dummy_service, "sda1")
root = BlockDevices().get_root_block_device()
mutation_response = api_move(authorized_client, dummy_service, root.name)
data = get_data(mutation_response)["services"]["moveService"]
assert_errorcode(data, 400)
try:
assert "not movable" in data["message"]
except AssertionError:
raise ValueError("wrong type of error?: ", data["message"])
# is there a meaning in returning the service in this?
assert data["service"] is not None
@ -519,8 +526,7 @@ def test_move_no_such_volume(authorized_client, only_dummy_service):
data = get_data(mutation_response)["services"]["moveService"]
assert_notfound(data)
# is there a meaning in returning the service in this?
assert data["service"] is not None
assert data["service"] is None
assert data["job"] is None
@ -538,7 +544,8 @@ def test_move_same_volume(authorized_client, dummy_service):
# is there a meaning in returning the service in this?
assert data["service"] is not None
assert data["job"] is not None
# We do not create a job if task is not created
assert data["job"] is None
def test_graphql_move_service_without_folders_on_old_volume(

25
tests/test_services.py
View file

@ -13,7 +13,6 @@ from selfprivacy_api.services.bitwarden import Bitwarden
from selfprivacy_api.services.pleroma import Pleroma
from selfprivacy_api.services.mailserver import MailServer
from selfprivacy_api.services.owned_path import OwnedPath
from selfprivacy_api.services.generic_service_mover import FolderMoveNames
from selfprivacy_api.services.test_service import DummyService
from selfprivacy_api.services.service import Service, ServiceStatus, StoppedService
@ -81,19 +80,19 @@ def test_paths_from_owned_paths():
]
def test_foldermoves_from_ownedpaths():
owned = OwnedPath(
path="var/lib/bitwarden",
group="vaultwarden",
owner="vaultwarden",
)
# def test_foldermoves_from_ownedpaths():
# owned = OwnedPath(
# path="var/lib/bitwarden",
# group="vaultwarden",
# owner="vaultwarden",
# )
assert FolderMoveNames.from_owned_path(owned) == FolderMoveNames(
name="bitwarden",
bind_location="var/lib/bitwarden",
group="vaultwarden",
owner="vaultwarden",
)
# assert FolderMoveNames.from_owned_path(owned) == FolderMoveNames(
# name="bitwarden",
# bind_location="var/lib/bitwarden",
# group="vaultwarden",
# owner="vaultwarden",
# )
def test_enabling_disabling_reads_json(dummy_service: DummyService):