def validate_chef_cookbook(cookbook, image, request):
"""
Cookbook validation
:param image: name of the image to deploy
:param cookbook: name of the cookbook to validate
:param request: request context
:return:
"""
res = None
# process request based on configuration options
if hasattr(CONF, 'clients_docker') \
and hasattr(CONF.clients_docker, 'url') \
and len(CONF.clients_docker.url) > 1:
# use direct docker connection, fast and simple
d = ChefClient()
res = d.cookbook_deployment_test(cookbook, image)
return res
