heat_template_version: queens description: > This's a temporary workaround for adding this option "log_num_mgm_entry_size=-1" to /etc/modprobe.d/mlx4.conf file in order to allow steering in ConnectX-3 devices resources: userdata: type: OS::Heat::MultipartMime properties: parts: - config: {get_resource: allow_steering} allow_steering: type: OS::Heat::SoftwareConfig properties: config: | #!/bin/bash set -x echo "options mlx4_core log_num_mgm_entry_size=-1" >> /etc/modprobe.d/mlx4.conf /sbin/dracut --force outputs: # This means get_resource from the parent template will get the userdata, see: # http://docs.openstack.org/developer/heat/template_guide/composition.html#making-your-template-resource-more-transparent # Note this is new-for-kilo, an alternative is returning a value then using # get_attr in the parent template instead. OS::stack_id: value: {get_resource: userdata}