Initial AlmaLinux security mirror

2026-11-11 21:04:55 +01:00
commit 38edfb5aac
10 changed files with 205 additions and 0 deletions
@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+import json, os
+from datetime import datetime, timezone
+from pathlib import Path
+from common import request,store,state_file
+
+ROOT=Path(__file__).resolve().parents[1]
+URL='https://errata.almalinux.org/{major}/errata.full.json'
+
+def check(payload):
+    # Source can be a JSON object or an array; reject HTML/errors.
+    value=json.loads(payload)
+    if not isinstance(value,(dict,list)) or not value:
+        raise ValueError('Unexpected empty AlmaLinux errata response')
+    return value
+
+def main():
+    for major in (8,9,10):
+        dest=ROOT/f'data/almalinux/{major}/errata.full.json'
+        state=ROOT/f'state/{major}.json'
+        meta=json.loads(state.read_text()) if state.exists() else {}
+        headers={}
+        if dest.exists():
+            if meta.get('etag'): headers['If-None-Match']=meta['etag']
+            if meta.get('last_modified'): headers['If-Modified-Since']=meta['last_modified']
+        status,raw,h=request(URL.format(major=major),headers)
+        if status==304:
+            print(f'AlmaLinux {major}: unchanged (HTTP 304)'); continue
+        check(raw)
+        changed=store(dest,raw)
+        state_file(state,{
+            'source':URL.format(major=major),
+            'etag':h.get('ETag',meta.get('etag','')),
+            'last_modified':h.get('Last-Modified',meta.get('last_modified','')),
+            'last_success_utc':datetime.now(timezone.utc).isoformat(),
+            'sha256':__import__('hashlib').sha256(raw).hexdigest(),
+        })
+        print(f'AlmaLinux {major}: {len(raw)} bytes, changed={changed}')
+
+if __name__=='__main__': main()