OpenStack Train node version Installation bis (XI) service dashboard mounted horizon

Project Name OpenStack Dashboard Dashboard service is the Horizon, the only service that is required identity services keystone, development of language is a web framework Django python.

System requirements
to install Train version of Horizon has the following requirements:
1, the locale
Python 2.7,3.6 or 3.7
Django 2.2 1.11,2.0 and
pilot phase Django 2.0 and 2.2 support in the Train versions.
Ussuri release (next release After the release of Train) will be used as the main Django Django 2.2 version. Django 2.0 support will be deleted.
2, keystone endpoint accessible
3, other services are optional.
Stein version from the start, Horizon supports the following services:
Cinder: massive storage
glance: image management
neutron: Network
nova: computing
swift: object storage
, if configured keystone of good service endpoint, then the Horizon will automatically enable it to support its detection .
Horizon also supports many other OpenStack services through plug-ins.

In computing node (c1) mounting the instrument on board service horizon
since the operation requires horizon apache, apache keystone order not to affect on the control node like the other services, it is installed on the computing nodes. Confirm whether to activate the service previously installed properly prior to installation.

安装软件包
yum install openstack-dashboard -y

编辑配置文件
必须直接用vim编辑，不可清空后在复制粘贴。
vim /etc/openstack-dashboard/local_settings

118行，配置仪表板以在controller节点上使用OpenStack服务：
OPENSTACK_HOST = "ct"

39行，允许主机访问仪表板：
ALLOWED_HOSTS = ['*'] #['*']是指的接受所有主机。

100行，配置memcached会话存储服务：
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
CACHES = {
'default': {
'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
'LOCATION': 'ct:11211',
}，
}

126行，启用身份认证服务API版本3：
OPENSTACK_KEYSTONE_URL = "http://%s:5000/v3" % OPENSTACK_HOST

127行，加入，启用对多域的支持：
OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True

128行。加入配置API版本：
OPENSTACK_API_VERSIONS = {
"identity": 3,
"image": 2,
"volume": 3,
}

133行，加入，配置Default为通过仪表板创建的用户的默认域：
OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = "Default"

配置user为通过仪表板创建的用户的默认角色：
OPENSTACK_KEYSTONE_DEFAULT_ROLE = "user"

139行选择了二层网络，要禁用对第3层网络服务的支持：

OPENSTACK_NEUTRON_NETWORK = {

'enable_auto_allocated_network': False,

'enable_distributed_router': False,

'enable_ha_router': False,

'enable_ipv6': False,

'enable_rbac_policy': False,