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Use jobs file to transfer data between threads

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This commit is contained in:
inexcode 2022-08-15 22:37:02 +04:00
parent 69557fcf50
commit 1b1bb4966a
3 changed files with 56 additions and 87 deletions
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3
selfprivacy_api/graphql/common_types/service.py
View file

@ -33,6 +33,7 @@ class StorageVolume:
model: typing.Optional[str]
serial: typing.Optional[str]
type: str
@strawberry.field
def usages(self) -> list["StorageUsageInterface"]:
"""Get usages of a volume"""
@ -92,11 +93,13 @@ class Service:
status: ServiceStatusEnum
url: typing.Optional[str]
dns_records: typing.Optional[typing.List[DnsRecord]]
@strawberry.field
def storage_usage(self) -> ServiceStorageUsage:
"""Get storage usage for a service"""
return get_storage_usage(self)
def service_to_graphql_service(service: ServiceInterface) -> Service:
"""Convert service to graphql service"""
return Service(

130
selfprivacy_api/jobs/__init__.py
View file

@ -16,6 +16,7 @@ A job is a dictionary with the following keys:
"""
import typing
import datetime
from uuid import UUID
import asyncio
import json
import os
@ -23,6 +24,10 @@ import time
import uuid
from enum import Enum
from pydantic import BaseModel
from selfprivacy_api.utils import ReadUserData, UserDataFiles, WriteUserData
class JobStatus(Enum):
"""
@ -35,47 +40,22 @@ class JobStatus(Enum):
ERROR = "ERROR"
class Job:
class Job(BaseModel):
"""
Job class.
"""
def __init__(
self,
name: str,
description: str,
status: JobStatus,
status_text: typing.Optional[str],
progress: typing.Optional[int],
created_at: datetime.datetime,
updated_at: datetime.datetime,
finished_at: typing.Optional[datetime.datetime],
error: typing.Optional[str],
result: typing.Optional[str],
):
self.id = str(uuid.uuid4())
self.name = name
self.description = description
self.status = status
self.status_text = status_text or ""
self.progress = progress or 0
self.created_at = created_at
self.updated_at = updated_at
self.finished_at = finished_at
self.error = error
self.result = result
def __str__(self) -> str:
"""
Convert the job to a string.
"""
return f"{self.name} - {self.status}"
def __repr__(self) -> str:
"""
Convert the job to a string.
"""
return f"{self.name} - {self.status}"
uid: UUID = uuid.uuid4()
name: str
description: str
status: JobStatus
status_text: typing.Optional[str]
progress: typing.Optional[int]
created_at: datetime.datetime
updated_at: datetime.datetime
finished_at: typing.Optional[datetime.datetime]
error: typing.Optional[str]
result: typing.Optional[str]
class Jobs:
@ -95,8 +75,7 @@ class Jobs:
if Jobs.__instance is None:
raise Exception("Couldn't init Jobs singleton!")
return Jobs.__instance
else:
return Jobs.__instance
return Jobs.__instance
def __init__(self):
"""
@ -106,43 +85,13 @@ class Jobs:
raise Exception("This class is a singleton!")
else:
Jobs.__instance = self
self.jobs = [
Job(
name="Init job",
description="Initial job",
status=JobStatus.FINISHED,
status_text="",
progress=100,
created_at=datetime.datetime.now(),
updated_at=datetime.datetime.now(),
finished_at=datetime.datetime.now(),
error=None,
result=None,
)
]
# Observers of the jobs list.
self.observers = []
def add_observer(self, observer: typing.Callable[[typing.List[Job]], None]) -> None:
def reset(self) -> None:
"""
Add an observer to the jobs list.
Reset the jobs list.
"""
self.observers.append(observer)
def remove_observer(
self, observer: typing.Callable[[typing.List[Job]], None]
) -> None:
"""
Remove an observer from the jobs list.
"""
self.observers.remove(observer)
def _notify_observers(self) -> None:
"""
Notify the observers of the jobs list.
"""
for observer in self.observers:
observer(self.jobs)
with WriteUserData(UserDataFiles.JOBS) as user_data:
user_data = []
def add(
self,
@ -167,19 +116,20 @@ class Jobs:
error=None,
result=None,
)
self.jobs.append(job)
# Notify the observers.
self._notify_observers()
with WriteUserData(UserDataFiles.JOBS) as user_data:
try:
user_data.append(job.dict())
except json.decoder.JSONDecodeError:
user_data = []
user_data.append(job.dict())
return job
def remove(self, job: Job) -> None:
"""
Remove a job from the jobs list.
"""
self.jobs.remove(job)
# Notify the observers.
self._notify_observers()
with WriteUserData(UserDataFiles.JOBS) as user_data:
user_data = [x for x in user_data if x["uid"] != job.uid]
def update(
self,
@ -207,11 +157,12 @@ class Jobs:
job.updated_at = datetime.datetime.now()
job.error = error
job.result = result
if status == JobStatus.FINISHED or status == JobStatus.ERROR:
if status in (JobStatus.FINISHED, JobStatus.ERROR):
job.finished_at = datetime.datetime.now()
# Notify the observers.
self._notify_observers()
with WriteUserData(UserDataFiles.JOBS) as user_data:
user_data = [x for x in user_data if x["uid"] != job.uid]
user_data.append(job.dict())
return job
@ -219,13 +170,18 @@ class Jobs:
"""
Get a job from the jobs list.
"""
for job in self.jobs:
if job.id == id:
return job
with ReadUserData(UserDataFiles.JOBS) as user_data:
for job in user_data:
if job["uid"] == id:
return Job(**job)
return None
def get_jobs(self) -> typing.List[Job]:
"""
Get the jobs list.
"""
return self.jobs
with ReadUserData(UserDataFiles.JOBS) as user_data:
try:
return [Job(**job) for job in user_data]
except json.decoder.JSONDecodeError:
return []

10
selfprivacy_api/utils/__init__.py
View file

@ -10,6 +10,7 @@ import portalocker
USERDATA_FILE = "/etc/nixos/userdata/userdata.json"
TOKENS_FILE = "/etc/nixos/userdata/tokens.json"
JOBS_FILE = "/etc/nixos/userdata/jobs.json"
DOMAIN_FILE = "/var/domain"
@ -18,6 +19,7 @@ class UserDataFiles(Enum):
USERDATA = 0
TOKENS = 1
JOBS = 2
def get_domain():
@ -35,6 +37,12 @@ class WriteUserData(object):
self.userdata_file = open(USERDATA_FILE, "r+", encoding="utf-8")
elif file_type == UserDataFiles.TOKENS:
self.userdata_file = open(TOKENS_FILE, "r+", encoding="utf-8")
elif file_type == UserDataFiles.JOBS:
# Make sure file exists
if not os.path.isfile(JOBS_FILE):
with open(JOBS_FILE, "w", encoding="utf-8") as jobs_file:
jobs_file.write("[]")
self.userdata_file = open(JOBS_FILE, "r+", encoding="utf-8")
else:
raise ValueError("Unknown file type")
portalocker.lock(self.userdata_file, portalocker.LOCK_EX)
@ -60,6 +68,8 @@ class ReadUserData(object):
self.userdata_file = open(USERDATA_FILE, "r", encoding="utf-8")
elif file_type == UserDataFiles.TOKENS:
self.userdata_file = open(TOKENS_FILE, "r", encoding="utf-8")
elif file_type == UserDataFiles.JOBS:
self.userdata_file = open(JOBS_FILE, "r", encoding="utf-8")
else:
raise ValueError("Unknown file type")
portalocker.lock(self.userdata_file, portalocker.LOCK_SH)