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quay/workers/repositorygcworker.py
Brandon Caton 9eb4fb6aa4
Revert workqueue refactor (#1456)
Currently the prometheus and GC workers are not running correctly.
Reverting the following commits:
- 4e1a985e70
- dac183a1ef
- 68a0d9eaf0
- af1aacea08
- f334b80098
2022-07-22 13:11:39 -04:00

91 lines
2.9 KiB
Python

import logging
import time
import features
from app import repository_gc_queue, all_queues, app
from data import model, database
from workers.queueworker import QueueWorker, WorkerSleepException
from util.log import logfile_path
from util.locking import GlobalLock, LockNotAcquiredException
from workers.gunicorn_worker import GunicornWorker
logger = logging.getLogger(__name__)
POLL_PERIOD_SECONDS = 60
REPOSITORY_GC_TIMEOUT = 3 * 60 * 60 # 3h
LOCK_TIMEOUT_PADDING = 60 # 60 seconds
class RepositoryGCWorker(QueueWorker):
"""
Worker which cleans up repositories enqueued to be GCed.
"""
def process_queue_item(self, job_details):
try:
with GlobalLock(
"LARGE_GARBAGE_COLLECTION", lock_ttl=REPOSITORY_GC_TIMEOUT + LOCK_TIMEOUT_PADDING
):
self._perform_gc(job_details)
except LockNotAcquiredException:
logger.debug("Could not acquire global lock for garbage collection")
raise WorkerSleepException
def _perform_gc(self, job_details):
logger.debug("Got repository GC queue item: %s", job_details)
marker_id = job_details["marker_id"]
try:
marker = database.DeletedRepository.get(id=marker_id)
except database.DeletedRepository.DoesNotExist:
logger.debug("Found no matching delete repo marker: %s", job_details)
return
logger.debug("Purging repository %s", marker.repository)
if not model.gc.purge_repository(marker.repository):
raise Exception("GC interrupted; will retry")
def create_gunicorn_worker():
"""
follows the gunicorn application factory pattern, enabling
a quay worker to run as a gunicorn worker thread.
this is useful when utilizing gunicorn's hot reload in local dev.
utilizing this method will enforce a 1:1 quay worker to gunicorn worker ratio.
"""
gc_worker = RepositoryGCWorker(
repository_gc_queue,
poll_period_seconds=POLL_PERIOD_SECONDS,
reservation_seconds=REPOSITORY_GC_TIMEOUT,
)
worker = GunicornWorker(__name__, app, gc_worker, features.REPOSITORY_GARBAGE_COLLECTION)
return worker
if __name__ == "__main__":
logging.config.fileConfig(logfile_path(debug=False), disable_existing_loggers=False)
if app.config.get("ACCOUNT_RECOVERY_MODE", False):
logger.debug("Quay running in account recovery mode")
while True:
time.sleep(100000)
if not features.REPOSITORY_GARBAGE_COLLECTION:
logger.info("Repository garbage collection is disabled; skipping")
while True:
time.sleep(100000)
GlobalLock.configure(app.config)
logger.debug("Starting repository GC worker")
worker = RepositoryGCWorker(
repository_gc_queue,
poll_period_seconds=POLL_PERIOD_SECONDS,
reservation_seconds=REPOSITORY_GC_TIMEOUT,
)
worker.start()