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v2_adminpanel/db_license.py

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+"""
+Database connection helper for License Server database
+"""
+import psycopg2
+from psycopg2.extras import RealDictCursor
+import logging
+from contextlib import contextmanager
+
+# License Server DB configuration
+LICENSE_DB_CONFIG = {
+    'host': 'db',  # Same container name as in docker network
+    'port': 5432,
+    'database': 'meinedatenbank',  # License Server database name
+    'user': 'adminuser',
+    'password': 'supergeheimespasswort'
+}
+
+logger = logging.getLogger(__name__)
+
+def get_license_db_connection():
+    """Get a connection to the license server database"""
+    try:
+        conn = psycopg2.connect(**LICENSE_DB_CONFIG)
+        return conn
+    except Exception as e:
+        logger.error(f"Failed to connect to license server database: {str(e)}")
+        raise
+
+@contextmanager
+def get_license_db_cursor(dict_cursor=False):
+    """Context manager for license server database cursor"""
+    conn = None
+    cur = None
+    try:
+        conn = get_license_db_connection()
+        cursor_factory = RealDictCursor if dict_cursor else None
+        cur = conn.cursor(cursor_factory=cursor_factory)
+        yield cur
+        conn.commit()
+    except Exception as e:
+        if conn:
+            conn.rollback()
+        logger.error(f"License DB error: {str(e)}")
+        raise
+    finally:
+        if cur:
+            cur.close()
+        if conn:
+            conn.close()
+
+def test_license_db_connection():
+    """Test the connection to license server database"""
+    try:
+        with get_license_db_cursor() as cur:
+            cur.execute("SELECT 1")
+            result = cur.fetchone()
+            if result:
+                logger.info("Successfully connected to license server database")
+                return True
+    except Exception as e:
+        logger.error(f"Failed to test license server database connection: {str(e)}")
+        return False