Openstack installation failed for devstack stack.sh -

i using stack.sh devstack site install openstack all-in-one machine. after starting keystone, installation failing @ following step:

++ get_or_create_project admin default

+++ openstack --os-url=http://10.122.12.145:5000/v3 --os-identity-api-version=3 project create admin --domain=default --or-show -f value -c id

error: openstack gateway timeout (http 504) ++ local project_id= ++ echo + local admin_tenant=

i using ubuntu 14.04.2 lts. please let me know if has run in issue , possible solutions?

thanks, manish

worked after editing no_proxy variable:

./unstack.sh  export no_proxy=127.0.0.1,<your-ip> ./stack.sh