selfprivacy-rest-api/selfprivacy_api/backup/jobs.py

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Python
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from typing import Optional, List
from selfprivacy_api.models.backup.snapshot import Snapshot
from selfprivacy_api.jobs import Jobs, Job, JobStatus
from selfprivacy_api.services.service import Service
from selfprivacy_api.services import get_service_by_id
def job_type_prefix(service: Service) -> str:
return f"services.{service.get_id()}"
def backup_job_type(service: Service) -> str:
return f"{job_type_prefix(service)}.backup"
def autobackup_job_type() -> str:
return "backups.autobackup"
def restore_job_type(service: Service) -> str:
return f"{job_type_prefix(service)}.restore"
def get_jobs_by_service(service: Service) -> List[Job]:
result = []
for job in Jobs.get_jobs():
if job.type_id.startswith(job_type_prefix(service)) and job.status in [
JobStatus.CREATED,
JobStatus.RUNNING,
]:
result.append(job)
return result
def is_something_running_for(service: Service) -> bool:
running_jobs = [
job for job in get_jobs_by_service(service) if job.status == JobStatus.RUNNING
]
return len(running_jobs) != 0
def add_autobackup_job(services: List[Service]) -> Job:
service_names = [s.get_display_name() for s in services]
pretty_service_list: str = ", ".join(service_names)
job = Jobs.add(
type_id=autobackup_job_type(),
name="Automatic backup",
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description=f"Scheduled backup for services: {pretty_service_list}",
)
return job
def add_backup_job(service: Service) -> Job:
if is_something_running_for(service):
message = (
f"Cannot start a backup of {service.get_id()}, another operation is running: "
+ get_jobs_by_service(service)[0].type_id
)
raise ValueError(message)
display_name = service.get_display_name()
job = Jobs.add(
type_id=backup_job_type(service),
name=f"Backup {display_name}",
description=f"Backing up {display_name}",
)
return job
def add_restore_job(snapshot: Snapshot) -> Job:
service = get_service_by_id(snapshot.service_name)
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if service is None:
raise ValueError(f"no such service: {snapshot.service_name}")
if is_something_running_for(service):
message = (
f"Cannot start a restore of {service.get_id()}, another operation is running: "
+ get_jobs_by_service(service)[0].type_id
)
raise ValueError(message)
display_name = service.get_display_name()
job = Jobs.add(
type_id=restore_job_type(service),
name=f"Restore {display_name}",
description=f"restoring {display_name} from {snapshot.id}",
)
return job
def get_job_by_type(type_id: str) -> Optional[Job]:
for job in Jobs.get_jobs():
if job.type_id == type_id and job.status in [
JobStatus.CREATED,
JobStatus.RUNNING,
]:
return job
return None
def get_failed_job_by_type(type_id: str) -> Optional[Job]:
for job in Jobs.get_jobs():
if job.type_id == type_id and job.status == JobStatus.ERROR:
return job
return None
def get_backup_job(service: Service) -> Optional[Job]:
return get_job_by_type(backup_job_type(service))
def get_backup_fail(service: Service) -> Optional[Job]:
return get_failed_job_by_type(backup_job_type(service))
def get_restore_job(service: Service) -> Optional[Job]:
return get_job_by_type(restore_job_type(service))