.github/scripts/platform-impending-eol.py
#!/usr/bin/env python3
'''Check if a given distro is going to be EOL soon.
This queries the public API of https://endoflife.date to fetch EOL dates.
‘soon’ is defined by LEAD_DAYS, currently 30 days.'''
import datetime
import json
import sys
import urllib.request
URL_BASE = 'https://endoflife.date/api'
NOW = datetime.date.today()
LEAD_DAYS = datetime.timedelta(days=30)
DISTRO = sys.argv[1]
RELEASE = sys.argv[2]
EXIT_NOT_IMPENDING = 0
EXIT_IMPENDING = 1
EXIT_NO_DATA = 2
EXIT_FAILURE = 3
try:
with urllib.request.urlopen(f'{ URL_BASE }/{ DISTRO }/{ RELEASE }.json') as response:
match response.status:
case 200:
data = json.load(response)
case _:
print(
f'Failed to retrieve data for { DISTRO } { RELEASE } ' +
f'(status: { response.status }).',
file=sys.stderr
)
sys.exit(EXIT_FAILURE)
except urllib.error.HTTPError as e:
match e.code:
case 404:
print(f'No data available for { DISTRO } { RELEASE }.', file=sys.stderr)
sys.exit(EXIT_NO_DATA)
case _:
print(
f'Failed to retrieve data for { DISTRO } { RELEASE } ' +
f'(status: { e.code }).',
file=sys.stderr
)
sys.exit(EXIT_FAILURE)
eol = datetime.date.fromisoformat(data['eol'])
offset = abs(eol - NOW)
if offset <= LEAD_DAYS:
print(data['eol'])
sys.exit(EXIT_IMPENDING)
else:
sys.exit(EXIT_NOT_IMPENDING)