I had the same issue and added the 'user_data_format: RAW' line to resolve it:
topology_template: node_templates: VDU1: type: tosca.nodes.nfv.VDU.Tacker properties: user_data_format: RAW ...
Took the suggestion from here: https://answers.launchpad.net/ubuntu/+source/heat/+question/406804
I had the same issue and added the 'user_data_format: RAW' line to resolve it:
topology_template: nfv.VDU. Tacker
user_data_ format: RAW
node_templates:
VDU1:
type: tosca.nodes.
properties:
...
Took the suggestion from here: https:/ /answers. launchpad. net/ubuntu/ +source/ heat/+question/ 406804