nova.conf

 /etc/nova/nova.conf
[DEFAULT]
dhcpbridge_flagfile=/etc/nova/nova.conf
dhcpbridge=/usr/bin/nova-dhcpbridge
logdir=/var/log/nova
state_path=/var/lib/nova
lock_path=/var/lock/nova
force_dhcp_release=True
libvirt_use_virtio_for_bridges=True
ec2_private_dns_show_ip=True
api_paste_config=/etc/nova/api-paste.ini
enabled_apis=ec2,osapi_compute,metadata

rpc_backend = rabbit
auth_strategy = keystone
my_ip = 172.16.211.90
verbose = True

network_api_class = nova.network.neutronv2.api.API
security_group_api = neutron
linuxnet_interface_driver = nova.network.linux_net.NeutronLinuxBridgeInterfaceDriver
firewall_driver = nova.virt.firewall.NoopFirewallDriver

[libvirt]
libvirt_images_type = rbd
libvirt_images_rbd_pool = vms
libvirt_images_rbd_ceph_conf = /etc/ceph/ceph.conf
rbd_user = openstack
rbd_secret_uuid = 2211cd12-7729-408d-a63d-fb0ba46c45ba
libvirt_inject_password = false
libvirt_inject_key = false
libvirt_inject_partition = -2
live_migration_flag=VIR_MIGRATE_UNDEFINE_SOURCE,VIR_MIGRATE_PEER2PEER,VIR_MIGRATE_LIVE,VIR_MIGRATE_PERSIST_DEST
disk_cachemodes="network=writeback"

[keystone_authtoken]
auth_uri = http://controller:5000
auth_url = http://controller:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = nova
password = A123456b

[oslo_messaging_rabbit]
rabbit_host = controller
rabbit_userid = openstack
rabbit_password = A123456b

[vnc]
enabled = True
vncserver_listen = 0.0.0.0
vncserver_proxyclient_address = $my_ip
novncproxy_base_url = http://controller:6080/vnc_auto.html

[glance]
host = controller

[oslo_concurrency]
lock_path = /var/lib/nova/tmp

[neutron]
url = http://controller:9696
auth_url = http://controller:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
region_name = RegionOne
project_name = service
username = neutron
password = A123456b

service_metadata_proxy = True
metadata_proxy_shared_secret = A123456b