chore(helmbroker): verify instance_name length

Author: jianxiaoguo

rootfs/helmbroker/broker.py

@@ -21,6 +21,7 @@
 from .database.metadata import load_instance_meta, load_binding_meta, load_addons_meta, \
     save_instance_meta
 from .tasks import provision, bind, deprovision, update, unbind
+from .config import INSTANCE_NAME_LENS
 
 logger = logging.getLogger(__name__)
 
@@ -44,6 +45,10 @@ def provision(self,
                   async_allowed: bool,
                   **kwargs) -> ProvisionedServiceSpec:
         logger.debug(f"*** provision instance {instance_id}")
+        # verify instance_name length
+        if len(details.context["instance_name"]) > INSTANCE_NAME_LENS:
+            raise ErrBadRequest(
+                msg=f"The length of the instance name cannot exceed {INSTANCE_NAME_LENS}.")
         instance_path = get_instance_path(instance_id)
         if os.path.exists(instance_path):
             raise ErrInstanceAlreadyExists()

rootfs/helmbroker/config.py

@@ -11,6 +11,7 @@
 PASSWORD = os.environ.get('HELMBROKER_PASSWORD')
 
 VALKEY_URL = os.environ.get("HELMBROKER_VALKEY_URL", 'redis://localhost:6379/0')
+INSTANCE_NAME_LENS = int(os.environ.get("INSTANCE_NAME_LENS", '32'))
 
 
 class Config: