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fix(spark-analytics): robust JDBC URL parsing, log resolved DB host on startup

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Handle URLs without explicit port, show DB_HOST:PORT/DB_NAME in error messages
and startup log to simplify connection debugging.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Janis Eccarius
2026-06-21 15:47:48 +02:00
parent bdc3efc878
commit 609a222211
1 changed files with 5 additions and 5 deletions
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spark-analytics/base/webview.yaml
+5 -5
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@@ -18,10 +18,10 @@ data:
PORT = int(os.environ.get("PORT", "8080")) PORT = int(os.environ.get("PORT", "8080"))
_url = os.environ.get("NOWCHESS_JDBC_URL", "jdbc:postgresql://localhost:5432/nowchess") _url = os.environ.get("NOWCHESS_JDBC_URL", "")
_m = re.match(r"jdbc:postgresql://([^:/]+):(\d+)/(.+)", _url) _m = re.match(r"jdbc:postgresql://([^:/]+)(?::(\d+))?/([^?]+)", _url)
DB_HOST = _m.group(1) if _m else "localhost" DB_HOST = _m.group(1) if _m else "localhost"
DB_PORT = int(_m.group(2)) if _m else 5432 DB_PORT = int(_m.group(2)) if (_m and _m.group(2)) else 5432
DB_NAME = _m.group(3) if _m else "nowchess" DB_NAME = _m.group(3) if _m else "nowchess"
DB_USER = os.environ.get("NOWCHESS_DB_USER", "nowchess") DB_USER = os.environ.get("NOWCHESS_DB_USER", "nowchess")
DB_PASS = os.environ.get("NOWCHESS_DB_PASS", "") DB_PASS = os.environ.get("NOWCHESS_DB_PASS", "")
@@ -134,7 +134,7 @@ data:
return page( return page(
label, label,
f"{back}<h2>{html.escape(label)}</h2>" f"{back}<h2>{html.escape(label)}</h2>"
f"<div class='notice'>Error querying {html.escape(table)}: {html.escape(str(e))}</div>", f"<div class='notice'>Error querying {html.escape(table)} on {html.escape(DB_HOST)}:{DB_PORT}/{html.escape(DB_NAME)}: {html.escape(str(e))}</div>",
) )
if not headers: if not headers:
return page( return page(
@@ -183,7 +183,7 @@ data:
if __name__ == "__main__": if __name__ == "__main__":
server = HTTPServer(("0.0.0.0", PORT), Handler) server = HTTPServer(("0.0.0.0", PORT), Handler)
print(f"Listening on :{PORT} DB={DB_HOST}:{DB_PORT}/{DB_NAME}", flush=True) print(f"Listening on :{PORT} DB={DB_HOST}:{DB_PORT}/{DB_NAME} JDBC_URL={_url!r}", flush=True)
server.serve_forever() server.serve_forever()
--- ---
apiVersion: apps/v1 apiVersion: apps/v1