[Openstack] Passing user_data with server create via the api (xml)

Hello, I'm trying to pass user_data on server create using the xml api. I am base64 UTF-8 encoding the string. I've tried sending it as a message part, a query string on the url and as a post parameter. This works from the Horizon UI, but I get 2012-06-18 19:58:18,610 - __init__.py[WARNING]:

[Openstack] Sending userdata during server create via api's

Hi, I've posted on this previously but have yet to be pointed in the right direction - so I'm posting again. Examples or docs appreciated. I'm trying to pass user_data on server create using the xml (or JSON) api. My userdata looks like... "#!/bin/bash # #Purpose : Setup the initial image se