we need to modify
"repo_metadata": "{\"nailgun\":\"http://10.108.35.2:8080/ubuntu/fuelweb/x86_64 precise main\"
probably by adding new info in provisioning_serializer
we need to modify
"repo_metadata": "{\"nailgun\":\"http:// 10.108. 35.2:8080/ ubuntu/ fuelweb/ x86_64 precise main\"
probably by adding new info in provisioning_ serializer