Keystone env variables:
export OS_USERNAME=admin
export OS_PASSWORD=mypassword
export OS_TENANT_NAME=admin
export OS_AUTH_URL=http://1.2.3.4:35357/v2.0

nova.conf

rpc_backend = qpid
qpid_hostname = 1.2.3.4
my_ip = 1.2.3.4
vncserver_listen = 1.2.3.4
vncserver_proxyclient_address = 1.2.3.4
auth_strategy = keystone
network_api_class = nova.network.neutronv2.api.API
neutron_url = http://1.2.3.4:9696
neutron_auth_strategy = keystone
neutron_admin_tenant_name = service
neutron_admin_username = nova
neutron_admin_password = nova123
neutron_admin_auth_url = http://1.2.3.4:35357/v2.0
linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
firewall_driver = nova.virt.firewall.NoopFirewallDriver
security_group_api = neutron
service_neutron_metadata_proxy = true
neutron_metadata_proxy_shared_secret = myOSsetUp

[keystone_authtoken]
auth_uri = http://1.2.3.4:5000
auth_host = 1.2.3.4
auth_protocol = http
auth_port = 35357
admin_user = nova
admin_tenant_name = service
admin_password = nova123


Neutron.conf

[DEFAULT]
auth_strategy = keystone
rpc_backend = neutron.openstack.common.rpc.impl_qpid
qpid_hostname = 1.2.3.4
notify_nova_on_port_status_changes = True
notify_nova_on_port_data_changes = True
nova_url = http://1.2.3.4:8774/v2
nova_admin_username = nova
nova_admin_tenant_id = 1ecb20c295a04b45b19f88bed22fd9f8
nova_admin_password = nova123
nova_admin_auth_url = http://1.2.3.4:35357/v2.0
core_plugin = ml2
service_plugins = router

[keystone_authtoken]
auth_uri = http://1.2.3.4:5000
auth_host = 1.2.3.4
auth_protocol = http
auth_port = 35357
admin_tenant_name = service
admin_user = neutron
admin_password = neutron123

metadata_agent.ini

auth_url = http://1.2.3.4:5000/v2.0
auth_region = regionOne
# Turn off verification of the certificate for ssl
# auth_insecure = False
# Certificate Authority public key (CA cert) file for ssl
# auth_ca_cert =
admin_tenant_name = service
admin_user = neutron
admin_password = neutron123
nova_metadata_ip = 1.2.3.4
metadata_proxy_shared_secret = myOSsetUp