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#!/usr/bin/env python3
"""newOS4 fix ledger — closes the loop between "a fix shipped" and "the error stopped".
A signature is only *fixed* if it goes silent after the commit that claims to fix it. Nothing in the
debug pipeline asserted that before this file: `errors.json` kept a 989-occurrence crash for three
days after the report was filed, and a future regression of a fixed bug would look exactly like a new
bug. The ledger stores `norm → {commit, fixed_at, note}` and re-checks each one on every triage run.
Verdicts (per fix entry):
REGRESSED the signature was seen AFTER fixed_at -> the only alert worth acting on
WATCHING silent, but younger than silent_days -> no claim either way
CLOSED silent for >= silent_days (default 7) -> the report can be archived
UNSEEN no matching signature at all right now -> treated as silent (closed later)
Usage:
python3 scripts/newos4-ledger.py add --commit 2855c63 --message "Cannot read properties of
undefined (reading 'toLowerCase')" [--norm <key>] [--hash <hash>] [--note "..."]
python3 scripts/newos4-ledger.py verify [--json]
python3 scripts/newos4-ledger.py close --norm <key>
python3 scripts/newos4-ledger.py list
"""
import argparse, json, os, re, sys
from datetime import datetime, timezone
ROOT = '/var/www/webx11.duckdns.org/spaces/newos4'
ERRORS = os.path.join(ROOT, 'data', 'debug', 'errors.json')
LEDGER = os.path.join(ROOT, 'data', 'maintenance', 'fixes.json')
SILENT_DAYS = 7
def now_iso():
return datetime.now(timezone.utc).strftime('%Y-%m-%dT%H:%M:%SZ')
def parse_ts(s):
if not s:
return None
try:
return datetime.fromisoformat(str(s).replace('Z', '+00:00')).astimezone(timezone.utc)
except Exception:
return None
def norm_key(message, type_=None):
"""Cross-language contract: MUST match norm_key() in api/debug/ingest.php.
The same failure reaches us with a different host, port, scheme or query on every deploy, and the
client hash includes the raw source URL — so one bug becomes N signatures (`/ollama//api/tags` and
`/ollama/api/tags` were two rows for one outage, 18 203 + 16 540 occurrences).
"""
s = str(message or '').lower()
s = re.sub(r'https?://[^\s/]+', '', s) # scheme + host + port
s = re.sub(r'/{2,}', '/', s) # double slashes
s = re.sub(r'\?v=[\w.]+', '', s) # cache-bust query
s = re.sub(r'\s+', ' ', s).strip()
return f"{str(type_ or '').lower().strip()}|{s}"[:400]
def load(path, default):
try:
with open(path, encoding='utf-8') as f:
return json.load(f)
except Exception:
return default
def save(path, obj):
os.makedirs(os.path.dirname(path), exist_ok=True)
tmp = path + '.tmp'
with open(tmp, 'w', encoding='utf-8') as f:
json.dump(obj, f, indent=1)
os.replace(tmp, path)
def load_ledger():
d = load(LEDGER, {'fixes': []})
if isinstance(d, dict) and isinstance(d.get('fixes'), list):
return d
return {'fixes': []}
def rows_by_norm(errors):
"""Group live signatures by normalised key; historical rows have no stored `norm`."""
out = {}
for e in errors:
key = e.get('norm') or norm_key(e.get('message'), e.get('type'))
r = out.setdefault(key, {'norm': key, 'count': 0, 'signatures': 0,
'first_seen': None, 'last_seen': None,
'messages': [], 'frame': None})
r['count'] += int(e.get('count') or 0)
r['signatures'] += 1
for f in ('first_seen', 'last_seen'):
t = parse_ts(e.get(f))
prev = parse_ts(r[f])
if t and (prev is None or (t < prev if f == 'first_seen' else t > prev)):
r[f] = e.get(f)
if len(r['messages']) < 3:
r['messages'].append(str(e.get('message') or '')[:120])
r['frame'] = r['frame'] or e.get('frame')
return out
def verify(errors, ledger=None, silent_days=SILENT_DAYS):
"""Compare each ledger entry against the live signatures."""
ledger = ledger if ledger is not None else load_ledger()
groups = rows_by_norm(errors)
by_hash = {e.get('hash'): e for e in errors if e.get('hash')}
now = datetime.now(timezone.utc)
results = []
for fx in ledger.get('fixes', []):
key = fx.get('norm') or norm_key(fx.get('message'), fx.get('type'))
grp = groups.get(key)
fixed_at = parse_ts(fx.get('fixed_at')) or now
if not grp and fx.get('hash') and fx['hash'] in by_hash:
e = by_hash[fx['hash']]
grp = {'count': int(e.get('count') or 0), 'last_seen': e.get('last_seen'),
'first_seen': e.get('first_seen'), 'signatures': 1, 'frame': e.get('frame'),
'messages': [str(e.get('message') or '')[:120]]}
last = parse_ts((grp or {}).get('last_seen'))
silent_h = (now - last).total_seconds() / 3600.0 if last else None
# Order matters: "seen after the fix" alone is not a regression — a fix shipped 10 days ago
# with one sighting 9 days ago has been silent since. Regressed means seen after the fix AND
# still recent; otherwise the silence wins.
if grp and last and last > fixed_at and (silent_h is not None and silent_h <= silent_days * 24):
verdict = 'REGRESSED'
detail = f"seen {last.strftime('%Y-%m-%dT%H:%MZ')} after fix {fx.get('commit')}"
elif grp and silent_h is not None and silent_h >= silent_days * 24:
verdict = 'CLOSED'
detail = f"silent {silent_h / 24:.1f}d" + (f" (last sighting after fix: {last.strftime('%Y-%m-%d')})" if last and last > fixed_at else '')
elif grp:
verdict = 'WATCHING'
detail = f"silent {silent_h:.1f}h" if silent_h is not None else 'no timestamp'
else:
verdict, detail = 'UNSEEN', 'signature not in errors.json'
results.append({'norm': key, 'commit': fx.get('commit'), 'note': fx.get('note'),
'fixed_at': fx.get('fixed_at'), 'status': fx.get('status', 'open'),
'verdict': verdict, 'detail': detail,
'count': (grp or {}).get('count', 0),
'last_seen': (grp or {}).get('last_seen'),
'frame': (grp or {}).get('frame'),
'message': ((grp or {}).get('messages') or [fx.get('message', '')])[0]})
return results
def summarise(results):
return {'regressed': [r for r in results if r['verdict'] == 'REGRESSED'],
'watching': [r for r in results if r['verdict'] == 'WATCHING'],
'closed': [r for r in results if r['verdict'] in ('CLOSED', 'UNSEEN')]}
def print_verify(results):
s = summarise(results)
print(f"fix-ledger: {len(results)} entries | regressed={len(s['regressed'])} "
f"watching={len(s['watching'])} closed={len(s['closed'])}")
for r in s['regressed']:
print(f" FIX| REGRESSED {r['commit']} {r['count']}x {r['message'][:90]} ({r['detail']})")
for r in s['watching']:
print(f" FIX| watching {r['commit']} {r['message'][:90]} ({r['detail']})")
for r in s['closed']:
print(f" FIX| closed {r['commit']} {r['message'][:90]}")
def add(commit, message=None, norm=None, hash_=None, note=None, type_=None):
led = load_ledger()
key = norm or norm_key(message, type_)
for fx in led['fixes']:
if (fx.get('norm') or norm_key(fx.get('message'), fx.get('type'))) == key:
fx.update({'commit': commit, 'fixed_at': now_iso(), 'note': note or fx.get('note'),
'status': 'open', 'hash': hash_ or fx.get('hash')})
save(LEDGER, led)
return {'updated': key, 'commit': commit}
led['fixes'].append({'norm': key, 'hash': hash_, 'message': (message or '')[:300],
'commit': commit, 'fixed_at': now_iso(), 'note': note,
'status': 'open', 'silent_days': SILENT_DAYS})
save(LEDGER, led)
return {'added': key, 'commit': commit}
def main(argv=None):
ap = argparse.ArgumentParser(description='newOS4 fix ledger')
sub = ap.add_subparsers(dest='cmd', required=True)
a = sub.add_parser('add')
a.add_argument('--commit', required=True)
a.add_argument('--message')
a.add_argument('--norm')
a.add_argument('--hash')
a.add_argument('--note')
a.add_argument('--type')
v = sub.add_parser('verify')
v.add_argument('--json', action='store_true')
c = sub.add_parser('close')
c.add_argument('--norm', required=True)
sub.add_parser('list')
args = ap.parse_args(argv)
if args.cmd == 'add':
print(json.dumps(add(args.commit, args.message, args.norm, args.hash, args.note, args.type)))
elif args.cmd == 'verify':
res = verify(load(ERRORS, []))
if args.json:
print(json.dumps({'results': res, **summarise(res)}, indent=1))
else:
print_verify(res)
elif args.cmd == 'close':
led = load_ledger()
hit = 0
for fx in led['fixes']:
if (fx.get('norm') or norm_key(fx.get('message'), fx.get('type'))) == args.norm:
fx['status'] = 'closed'
hit += 1
save(LEDGER, led)
print(json.dumps({'closed': hit}))
elif args.cmd == 'list':
for fx in load_ledger()['fixes']:
print(f"{fx.get('commit','?'):<10} {fx.get('fixed_at','?')} {fx.get('status','open'):<7} "
f"{(fx.get('message') or fx.get('norm'))[:90]}")
return 0
if __name__ == '__main__':
sys.exit(main())
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