在devstack目录下创建local.conf并赋权
#touch /home/devstack/local.conf && chown stack:stack /home/devstack/local.conf
[root@node01 ~]# cat /home/devstack/local.conf
[[local|localrc]]
DATA_DIR=/opt/stack/data
DEST=/opt/stack
RECLONE=False
ADMIN_PASSWORD=admin
DATABASE_PASSWORD=$ADMIN_PASSWORD
RABBIT_PASSWORD=$ADMIN_PASSWORD
SERVICE_PASSWORD=$ADMIN_PASSWORD
SERVICE_TOKEN=$ADMIN_PASSWORD
DOWNLOAD_DEFAULT_IMAGES=False
IMAGE_URLS=http://download.cirros-cloud.net/0.3.4/cirros-0.3.4-x86_64-disk.img
HOST_IP=10.180.204.40
LOGFILE=$DEST/logs/stack.sh.log
LOGDAYS=2
USE_SCREEN=TRUE
LOG_COLOR=True
SCREEN_LOGDIR=/opt/stack/logs
HORIZON_BRANCH=master
KEYSTONE_BRANCH=master
NOVA_BRANCH=master
NEUTRON_BRANCH=master
GLANCE_BRANCH=master
CINDER_BRANCH=master
#KEYSTONE_TOKEN_FORMAT=UUID
HEAT_BRANCH=master
enable_service h-eng h-api h-api-cfn h-api-cw
NEUTRON_CREATE_INITIAL_NETWORKS=False
disable_service n-net
enable_service q-svc
enable_service q-agt
enable_service q-dhcp
enable_service q-l3
enable_service q-meta
enable_service q-metering
enable_service neutron
以上配置是我已经跑起来的配置文件，也可参考官方文档进行设置，官方文档链接如下：
https://docs.openstack.org/horizon/pike/contributor/ref/local_conf.html