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quay/workers/blobuploadcleanupworker/blobuploadcleanupworker.py
Joseph Schorr 8ded8f573d yapf
2017-07-11 16:58:30 +03:00

52 lines
1.9 KiB
Python

import logging
import logging.config
from datetime import timedelta
from app import app, storage
from data.database import UseThenDisconnect
from workers.blobuploadcleanupworker.models_pre_oci import pre_oci_model as model
from workers.worker import Worker
from util.log import logfile_path
logger = logging.getLogger(__name__)
DELETION_DATE_THRESHOLD = timedelta(days=2)
BLOBUPLOAD_CLEANUP_FREQUENCY = app.config.get('BLOBUPLOAD_CLEANUP_FREQUENCY', 60 * 60)
class BlobUploadCleanupWorker(Worker):
def __init__(self):
super(BlobUploadCleanupWorker, self).__init__()
self.add_operation(self._cleanup_uploads, BLOBUPLOAD_CLEANUP_FREQUENCY)
def _cleanup_uploads(self):
""" Performs garbage collection on the blobupload table. """
while True:
# Find all blob uploads older than the threshold (typically a week) and delete them.
with UseThenDisconnect(app.config):
stale_upload = model.get_stale_blob_upload(DELETION_DATE_THRESHOLD)
if stale_upload is None:
logger.debug('No additional stale blob uploads found')
return
# Remove the stale upload from storage.
logger.debug('Removing stale blob upload %s', stale_upload.uuid)
try:
storage.cancel_chunked_upload([stale_upload.location_name], stale_upload.uuid,
stale_upload.storage_metadata)
except Exception as ex:
logger.debug('Got error when trying to cancel chunked upload %s: %s', stale_upload.uuid,
ex.message)
# Delete the stale upload's row.
with UseThenDisconnect(app.config):
model.delete_blob_upload(stale_upload)
logger.debug('Removed stale blob upload %s', stale_upload.uuid)
if __name__ == "__main__":
logging.config.fileConfig(logfile_path(debug=True), disable_existing_loggers=False)
worker = BlobUploadCleanupWorker()
worker.start()