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424c1a19d7
Instead of running simultaneously across multiple nodes, we change the worker to run only from a single instance. This is better for the DB and the previous behavior was not necessary given the size of the BlobUpload table. Fixes https://issues.redhat.com/browse/PROJQUAY-365
77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
import logging
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import logging.config
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from datetime import timedelta, datetime
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from app import app, storage
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from data.database import UseThenDisconnect
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from workers.blobuploadcleanupworker.models_pre_oci import pre_oci_model as model
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from workers.worker import Worker
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from util.log import logfile_path
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from util.locking import GlobalLock, LockNotAcquiredException
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logger = logging.getLogger(__name__)
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DELETION_DATE_THRESHOLD = timedelta(days=2)
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BLOBUPLOAD_CLEANUP_FREQUENCY = app.config.get("BLOBUPLOAD_CLEANUP_FREQUENCY", 60 * 60)
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LOCK_TTL = 60 * 20 # 20 minutes
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class BlobUploadCleanupWorker(Worker):
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def __init__(self):
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super(BlobUploadCleanupWorker, self).__init__()
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self.add_operation(self._try_cleanup_uploads, BLOBUPLOAD_CLEANUP_FREQUENCY)
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def _try_cleanup_uploads(self):
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"""
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Performs garbage collection on the blobupload table.
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"""
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try:
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with GlobalLock("BLOB_CLEANUP", lock_ttl=LOCK_TTL):
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self._cleanup_uploads()
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except LockNotAcquiredException:
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logger.debug("Could not acquire global lock for blob upload cleanup worker")
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return
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def _cleanup_uploads(self):
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"""
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Performs cleanup on the blobupload table.
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"""
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logger.debug("Performing blob upload cleanup")
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while True:
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# Find all blob uploads older than the threshold (typically a week) and delete them.
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with UseThenDisconnect(app.config):
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stale_upload = model.get_stale_blob_upload(DELETION_DATE_THRESHOLD)
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if stale_upload is None:
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logger.debug("No additional stale blob uploads found")
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return
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# Remove the stale upload from storage.
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logger.debug("Removing stale blob upload %s", stale_upload.uuid)
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assert stale_upload.created <= (datetime.utcnow() - DELETION_DATE_THRESHOLD)
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try:
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storage.cancel_chunked_upload(
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[stale_upload.location_name], stale_upload.uuid, stale_upload.storage_metadata
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)
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except Exception as ex:
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logger.debug(
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"Got error when trying to cancel chunked upload %s: %s",
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stale_upload.uuid,
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ex.message,
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)
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# Delete the stale upload's row.
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with UseThenDisconnect(app.config):
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model.delete_blob_upload(stale_upload)
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logger.debug("Removed stale blob upload %s", stale_upload.uuid)
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if __name__ == "__main__":
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logging.config.fileConfig(logfile_path(debug=False), disable_existing_loggers=False)
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worker = BlobUploadCleanupWorker()
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worker.start()
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