Update cluster specification with a patch in JSON format
stolonctl
stolonctl --cluster-name {{cluster_name}} --store-backend {{store_backend}} --store-endpoints {{store_endpoints}} update --patch '{{cluster_spec}}'
stolonctl
stolonctl --cluster-name {{cluster_name}} --store-backend {{store_backend}} --store-endpoints {{store_endpoints}} update --patch '{{cluster_spec}}'