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mirror of https://github.com/netbox-community/netbox.git synced 2024-05-10 07:54:54 +00:00

53 lines
1.8 KiB
Python

import logging
import requests
from cacheops.simple import cache, CacheMiss
from django.conf import settings
from django_rq import job
from packaging import version
# Get an instance of a logger
logger = logging.getLogger('netbox.releases')
@job('check_releases')
def get_releases(pre_releases=False):
url = settings.RELEASE_CHECK_URL
headers = {
'Accept': 'application/vnd.github.v3+json',
}
releases = []
# Check whether this URL has failed recently and shouldn't be retried yet
try:
if url == cache.get('latest_release_no_retry'):
logger.info("Skipping release check; URL failed recently: {}".format(url))
return []
except CacheMiss:
pass
try:
logger.debug("Fetching new releases from {}".format(url))
response = requests.get(url, headers=headers, proxies=settings.HTTP_PROXIES)
response.raise_for_status()
total_releases = len(response.json())
for release in response.json():
if 'tag_name' not in release:
continue
if not pre_releases and (release.get('devrelease') or release.get('prerelease')):
continue
releases.append((version.parse(release['tag_name']), release.get('html_url')))
logger.debug("Found {} releases; {} usable".format(total_releases, len(releases)))
except requests.exceptions.RequestException:
# The request failed. Set a flag in the cache to disable future checks to this URL for 15 minutes.
logger.exception("Error while fetching {}. Disabling checks for 15 minutes.".format(url))
cache.set('latest_release_no_retry', url, 900)
return []
# Cache the most recent release
cache.set('latest_release', max(releases), settings.RELEASE_CHECK_TIMEOUT)
return releases