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quay/workers/chunkcleanupworker.py
Kurtis Mullins 38be6d05d0 Python 3 (#153)
* Convert all Python2 to Python3 syntax.

* Removes oauth2lib dependency

* Replace mockredis with fakeredis

* byte/str conversions

* Removes nonexisting __nonzero__ in Python3

* Python3 Dockerfile and related

* [PROJQUAY-98] Replace resumablehashlib with rehash

* PROJQUAY-123 - replace gpgme with python3-gpg

* [PROJQUAY-135] Fix unhashable class error

* Update external dependencies for Python 3

- Move github.com/app-registry/appr to github.com/quay/appr
- github.com/coderanger/supervisor-stdout
- github.com/DevTable/container-cloud-config
- Update to latest mockldap with changes applied from coreos/mockldap
- Update dependencies in requirements.txt and requirements-dev.txt

* Default FLOAT_REPR function to str in json encoder and removes keyword assignment

True, False, and str were not keywords in Python2...

* [PROJQUAY-165] Replace package `bencode` with `bencode.py`

- Bencode is not compatible with Python 3.x and is no longer
  maintained. Bencode.py appears to be a drop-in replacement/fork
  that is compatible with Python 3.

* Make sure monkey.patch is called before anything else (

* Removes anunidecode dependency and replaces it with text_unidecode

* Base64 encode/decode pickle dumps/loads when storing value in DB

Base64 encodes/decodes the serialized values when storing them in the
DB. Also make sure to return a Python3 string instead of a Bytes when
coercing for db, otherwise, Postgres' TEXT field will convert it into
a hex representation when storing the value.

* Implement __hash__ on Digest class

In Python 3, if a class defines __eq__() but not __hash__(), its
instances will not be usable as items in hashable collections (e.g sets).

* Remove basestring check

* Fix expected message in credentials tests

* Fix usage of Cryptography.Fernet for Python3 (#219)

- Specifically, this addresses the issue where Byte<->String
  conversions weren't being applied correctly.

* Fix utils

- tar+stream layer format utils
- filelike util

* Fix storage tests

* Fix endpoint tests

* Fix workers tests

* Fix docker's empty layer bytes

* Fix registry tests

* Appr

* Enable CI for Python 3.6

* Skip buildman tests

Skip buildman tests while it's being rewritten to allow ci to pass.

* Install swig for CI

* Update expected exception type in redis validation test

* Fix gpg signing calls

Fix gpg calls for updated gpg wrapper, and add signing tests.

* Convert / to // for Python3 integer division

* WIP: Update buildman to use asyncio instead of trollius.

This dependency is considered deprecated/abandoned and was only
used as an implementation/backport of asyncio on Python 2.x
This is a work in progress, and is included in the PR just to get the
rest of the tests passing. The builder is actually being rewritten.

* Target Python 3.8

* Removes unused files

- Removes unused files that were added accidentally while rebasing
- Small fixes/cleanup
- TODO tasks comments

* Add TODO to verify rehash backward compat with resumablehashlib

* Revert "[PROJQUAY-135] Fix unhashable class error" and implements __hash__ instead.

This reverts commit 735e38e3c1d072bf50ea864bc7e119a55d3a8976.
Instead, defines __hash__ for encryped fields class, using the parent
field's implementation.

* Remove some unused files ad imports

Co-authored-by: Kenny Lee Sin Cheong <kenny.lee@redhat.com>
Co-authored-by: Tom McKay <thomasmckay@redhat.com>
2020-06-05 16:50:13 -04:00

50 lines
1.4 KiB
Python

import logging
import time
from app import app, storage, chunk_cleanup_queue
from workers.queueworker import QueueWorker, JobException
from util.log import logfile_path
logger = logging.getLogger(__name__)
POLL_PERIOD_SECONDS = 10
class ChunkCleanupWorker(QueueWorker):
"""
Worker which cleans up chunks enqueued by the storage engine(s).
This is typically used to cleanup empty chunks which are no longer needed.
"""
def process_queue_item(self, job_details):
logger.debug("Got chunk cleanup queue item: %s", job_details)
storage_location = job_details["location"]
storage_path = job_details["path"]
if not storage.exists([storage_location], storage_path):
logger.debug("Chunk already deleted")
return
try:
storage.remove([storage_location], storage_path)
except IOError:
raise JobException()
if __name__ == "__main__":
logging.config.fileConfig(logfile_path(debug=False), disable_existing_loggers=False)
engines = set(
[config[0] for config in list(app.config.get("DISTRIBUTED_STORAGE_CONFIG", {}).values())]
)
if "SwiftStorage" not in engines:
logger.debug("Swift storage not detected; sleeping")
while True:
time.sleep(10000)
logger.debug("Starting chunk cleanup worker")
worker = ChunkCleanupWorker(chunk_cleanup_queue, poll_period_seconds=POLL_PERIOD_SECONDS)
worker.start()