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-rwxr-xr-x.github/scripts/platform-impending-eol.py58
1 files changed, 58 insertions, 0 deletions
diff --git a/.github/scripts/platform-impending-eol.py b/.github/scripts/platform-impending-eol.py
new file mode 100755
index 00000000..c57e5edd
--- /dev/null
+++ b/.github/scripts/platform-impending-eol.py
@@ -0,0 +1,58 @@
+#!/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)