+ """Generates the command to upgrade a Helm Chart release
+
+ Args:
+ kdu_model (str): Kdu model name, corresponding to the Helm local location or repository
+ kdu_instance (str): KDU instance, corresponding to the Helm Chart release in question
+ namespace (str): Namespace where this KDU instance is deployed
+ params_str (str): Params used to upgrade the Helm Chart release
+ version (str): Constraint with specific version of the Chart to use
+ atomic (bool): If set, upgrade process rolls back changes made in case of failed upgrade.
+ The --wait flag will be set automatically if --atomic is used
+ timeout (float): The time, in seconds, to wait
+ kubeconfig (str): Kubeconfig file path
+ force (bool): If set, helm forces resource updates through a replacement strategy. This may recreate pods.
+ Returns:
+ str: command to upgrade a Helm Chart release
+ """