infra/stacks/kms/files/diag-collector.py

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import json
from http.server import BaseHTTPRequestHandler, HTTPServer
MAX = 16384
class Handler(BaseHTTPRequestHandler):
def _respond(self, code):
self.send_response(code)
self.send_header('Content-Length', '0')
self.end_headers()
def do_POST(self):
if self.path.rstrip('/') != '/diag':
self._respond(404); return
try:
n = int(self.headers.get('Content-Length', 0) or 0)
n = min(n, MAX) if n > 0 else 0
raw = self.rfile.read(n).decode('utf-8', 'replace') if n else ''
obj = json.loads(raw) if raw.strip() else {}
if not isinstance(obj, dict):
obj = {'_raw': str(obj)[:1000]}
ip = self.headers.get('X-Forwarded-For', self.client_address[0]).split(',')[0].strip()
obj['_ip'] = ip
print('KMSDIAG ' + json.dumps(obj, separators=(',', ':'))[:MAX], flush=True)
except Exception as e:
print('KMSDIAG_ERR ' + repr(e)[:500], flush=True)
self._respond(204)
def do_GET(self):
self._respond(200 if self.path.rstrip('/') in ('/healthz', '/diag') else 404)
def log_message(self, *a):
pass
if __name__ == '__main__':
HTTPServer(('0.0.0.0', 9102), Handler).serve_forever()