60 lines
2.3 KiB
Python
Executable File
60 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
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"""Start Spring Boot with database credentials from .env or the process environment."""
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from __future__ import annotations
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import argparse
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import os
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from pathlib import Path
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import sys
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sys.path.insert(0, str(Path(__file__).resolve().parent))
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from env_config import load_environment
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ROOT = Path(__file__).resolve().parents[1]
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def database_environment(root: Path, current: dict[str, str]) -> dict[str, str]:
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env = load_environment(root / ".env", current)
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required = ("DB_URL", "DB_USER", "DB_PASSWORD")
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if any(key not in env for key in required) or not env["DB_URL"] or not env["DB_USER"]:
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raise ValueError("DB_URL, DB_USER und DB_PASSWORD müssen konfiguriert sein.")
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return env
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def backend_jar(root: Path) -> Path:
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jars = sorted((root / "backend/target").glob("votian-backend-*.jar"))
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if len(jars) != 1 or not jars[0].is_file():
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raise FileNotFoundError("Kein eindeutiges Backend-JAR. Zuerst ./build.sh ausführen.")
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return jars[0]
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def main() -> int:
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument("--check-config", action="store_true", help="Nur Konfiguration prüfen; keine DB-Verbindung")
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parser.add_argument("--port", type=int, help="Port aus .env/Umgebung überschreiben (Standard 8080)")
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args = parser.parse_args()
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try:
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env = database_environment(ROOT, dict(os.environ))
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port = args.port if args.port is not None else int(env.get("PORT", "8080"))
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if not 1 <= port <= 65535:
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raise ValueError("Ungültiger Port.")
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env["PORT"] = str(port)
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except (OSError, ValueError):
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print("Konfiguration nicht lesbar/ungültig. DB_URL, DB_USER und DB_PASSWORD in .env oder der Umgebung sowie PORT prüfen.", file=sys.stderr)
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return 2
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if args.check_config:
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print("Datenbankkonfiguration aus .env/Umgebung geprüft. Keine Verbindung hergestellt; keine Daten verändert.")
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return 0
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try:
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jar = backend_jar(ROOT)
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except FileNotFoundError:
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print("Kein eindeutiges Backend-JAR. Zuerst ./build.sh ausführen.", file=sys.stderr)
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return 2
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os.chdir(ROOT / "backend")
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os.execvpe("java", ["java", "-jar", str(jar)], env)
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return 0
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if __name__ == "__main__":
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raise SystemExit(main())
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