照著官網來安裝openstack pike之安裝dashboard

wadeson發表於2017-10-26

上文提到了利用命令列下使用openstack的命令來建立虛擬機器，這裡選擇安裝dashboard來安裝基於web介面的openstack平臺

利用dashboard介面來建立虛擬機器

dashboard這裡選擇安裝在控制端，詳細的dashboard配置檔案參考：https://github.com/jsonhc/openstack_project

1、安裝dashboard，安裝它有手動編譯安裝和yum自動安裝，這裡選擇使用yum進行安裝

# yum install openstack-dashboard
修改配置檔案：/etc/openstack-dashboard/local_settings
OPENSTACK_HOST = "192.168.101.10"

    Allow your hosts to access the dashboard:
ALLOWED_HOSTS = ['*‘]
        [‘*’] to accept all hosts，the host is validated

    Configure the memcached session storage service:
SESSION_ENGINE = 'django.contrib.sessions.backends.cache'
CACHES = {
    'default': {
        'BACKEND': 'django.core.cache.backends.memcached.MemcachedCache',
        'LOCATION': '192.168.101.10:11211',
    }
}
    註釋掉其他的session配置

    Enable the Identity API version 3:
OPENSTACK_KEYSTONE_URL = "http://%s:5000/v3" % OPENSTACK_HOST
    Enable support for domains:
OPENSTACK_KEYSTONE_MULTIDOMAIN_SUPPORT = True
    Configure API versions:
OPENSTACK_API_VERSIONS = {
    "identity": 3,
    "image": 2,
    "volume": 2,
}

    Configure Default as the default domain for users that you create via the dashboard:
OPENSTACK_KEYSTONE_DEFAULT_DOMAIN = "Default"

    Configure user as the default role for users that you create via the dashboard:
OPENSTACK_KEYSTONE_DEFAULT_ROLE = "user"

    If you chose networking option 1, disable support for layer-3 networking services:
OPENSTACK_NEUTRON_NETWORK = {
    'enable_router': False,
    'enable_quotas': False,
    'enable_distributed_router': False,
    'enable_ha_router': False,
    'enable_lb': False,
    'enable_firewall': False,
    'enable_vpn': False,
    'enable_fip_topology_check': False,
}

    Optionally, configure the time zone:
TIME_ZONE = "TIME_ZONE"    例如：Asia/Shanghai

Restart the web server and session storage service:
# systemctl restart httpd.service memcached.service
校驗dashboard：
　　Access the dashboard using a web browser at http://controller/dashboard.
當訪問dashboard的web頁面時，報錯500，日誌報錯如下：
在配置檔案：/etc/httpd/conf.d/openstack-dashboard.conf
新增：WSGIApplicationGroup %{GLOBAL}，如下所示：
新增上面一行即可，重啟httpd服務：# systemctl restart httpd.service
再次觀察日誌：
沒有報錯出現，於是再次訪問：
預設域：default，賬戶密碼：admin：bootstrap/demo：demo也可以

至此dashboard安裝完成，可以在web介面進行安裝虛擬機器instance了

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