Files
Tools/backend/util/db_config.py
T

84 lines
2.6 KiB
Python

# util/db_config.py
import json
import os
import mysql.connector
from util.logger import logger
def _resolve_config_path() -> str:
"""
Prefer an explicit env override, otherwise use a docker-friendly default
(/config) and fall back to the repo-local config folder for non-docker dev.
"""
if env_path := os.environ.get("DB_CONFIG_PATH"):
return os.path.abspath(env_path)
docker_path = "/config/db_config.json"
if os.path.exists("/config"):
return docker_path
# local fallback: backend/config/db_config.json (relative to this file)
return os.path.abspath(
os.path.join(os.path.dirname(__file__), "..", "config", "db_config.json")
)
CONFIG_PATH = _resolve_config_path()
def is_configured():
return os.path.exists(CONFIG_PATH)
def load_config():
try:
with open(CONFIG_PATH, "r") as f:
return json.load(f)
except Exception as e:
logger.error(f"Failed to load database config: {e}")
return None
def save_config(data):
try:
os.makedirs(os.path.dirname(CONFIG_PATH), exist_ok=True)
with open(CONFIG_PATH, "w") as f:
json.dump(data, f, indent=2)
logger.info("Database config saved.")
except Exception as e:
logger.error(f"Failed to save database config: {e}")
def test_connection(config):
try:
conn = mysql.connector.connect(**config)
conn.close()
logger.info("Database connection successful.")
return True
except Exception as e:
logger.warning(f"Database connection failed: {e}")
return False
def initialize_admin_user(config):
try:
conn = mysql.connector.connect(**config)
cursor = conn.cursor()
cursor.execute("""
CREATE TABLE IF NOT EXISTS users (
id INT AUTO_INCREMENT PRIMARY KEY,
username VARCHAR(50) NOT NULL UNIQUE,
password VARCHAR(255) NOT NULL,
role VARCHAR(20) NOT NULL
)
""")
cursor.execute("SELECT COUNT(*) FROM users WHERE username = 'admin'")
if cursor.fetchone()[0] == 0:
from werkzeug.security import generate_password_hash
cursor.execute(
"INSERT INTO users (username, password, role) VALUES (%s, %s, %s)",
("admin", generate_password_hash("admin"), "admin")
)
logger.info("Admin user created (username: admin, password: admin)")
conn.commit()
cursor.close()
conn.close()
except Exception as e:
logger.error(f"Failed to initialize admin user: {e}")