log exceptions once in failed health check

avoid spamming the "Database is not initialized, ..." message

Author: masenf

reflex/model.py

@@ -111,7 +111,8 @@ def get_engine(url: str | None = None) -> sqlalchemy.engine.Engine:
 
         if not environment.ALEMBIC_CONFIG.get().exists():
             console.warn(
-                "Database is not initialized, run [bold]reflex db init[/bold] first."
+                "Database is not initialized, run [bold]reflex db init[/bold] first.",
+                dedupe=True,
             )
         _ENGINE[url] = sqlalchemy.engine.create_engine(
             url,
@@ -153,7 +154,8 @@ def get_async_engine(url: str | None) -> sqlalchemy.ext.asyncio.AsyncEngine:
 
         if not environment.ALEMBIC_CONFIG.get().exists():
             console.warn(
-                "Database is not initialized, run [bold]reflex db init[/bold] first."
+                "Database is not initialized, run [bold]reflex db init[/bold] first.",
+                dedupe=True,
             )
         _ASYNC_ENGINE[url] = sqlalchemy.ext.asyncio.create_async_engine(
             url,
@@ -316,8 +318,12 @@ def get_db_status() -> dict[str, bool]:
             engine = get_engine()
             with engine.connect() as connection:
                 connection.execute(sqlalchemy.text("SELECT 1"))
-        except Exception:
+        except Exception as exc:
             status = False
+            console.error(
+                f"Database health check failed: {exc} (subsequent errors will not be logged)",
+                dedupe=True,
+            )
 
         return {"db": status}
 

reflex/utils/prerequisites.py

@@ -440,8 +440,12 @@ async def get_redis_status() -> dict[str, bool | None]:
                 await ping_command
         else:
             status = None
-    except Exception:
+    except Exception as exc:
         status = False
+        console.error(
+            f"Redis health check failed: {exc} (subsequent errors will not be logged)",
+            dedupe=True,
+        )
 
     return {"redis": status}
 
@@ -643,7 +647,8 @@ def check_db_initialized() -> bool:
         and not environment.ALEMBIC_CONFIG.get().exists()
     ):
         console.error(
-            "Database is not initialized. Run [bold]reflex db init[/bold] first."
+            "Database is not initialized. Run [bold]reflex db init[/bold] first.",
+            dedupe=True,
         )
         return False
     return True