openstack--3--控制节点安装配置keystone

Keystone介绍


 

Keystone作用

用户与认证:用户权限与用户行为跟踪:

服务目录:提供一个服务目录,包括所有服务项与相关Api的端点,它是个注册中心

用户认证包括:User,Tenant,Token,Role
服务目录包括:Service,Endpoint

服务目录名字介绍

Service
Service即服务,如Nova、Glance、Swift。根据前三个概念(User,Tenant和Role)一个服务可以确认当前用户是否具有访问其资源的权限。
但是当一个user尝试着访问其租户内的service时,他必须知道这个service是否存在以及如何访问这个service,这里通常使用一些不同的名称表示不同的服务。

Endpoint 

 Endpoint,翻译为“端点”,我们可以理解它是一个服务暴露出来的访问点,如果需要访问一个服务,则必须知道他的endpoint。
因此,在keystone中包含一个endpoint模板,这个模板提供了所有存在的服务endpoints信息。
一个endpointtemplate包含一个URLs列表,列表中的每个URL都对应一个服务实例的访问地址,并且具有public、private和admin这三种权限。
public url可以被全局访问;private url只能被局域网访问;admin url被从常规的访问中分离。

用户认证名字介绍

Token
Token是访问资源的钥匙。它是通过Keystone验证后的返回值,在之后的与其他服务交互中只需要携带Token值即可。
每个Token都有一个有效期,Token只在有效期内是有效的。

Role
  Role即角色,Roles代表一组用户可以访问的资源权限,例如Nova中的虚拟机、Glance中的镜像。
Users可以被添加到任意一个全局的或租户的角色中。在全局的role中,用户的role权限作用于所有的租户,即可以对所有的租户执行role规定的权限;
在租户内的role中,用户仅能在当前租户内执行role规定的权限。

Tenant
  Tenant即租户,现在改成了项目。它是各个服务中的一些可以访问的资源集合。例如,在Nova中一个tenant可以是一些机器,
在Swift和Glance中一个tenant可以是一些镜像存储,在Neutron中一个tenant可以是一些网络资源。Users默认的总是绑定到某些tenant上。

User
  User即用户,他们代表可以通过keystone进行访问的人或程序。Users通过认证信息(credentials,如密码、API Keys等)进行验证。

一个项目可以有多个用户
一个用户可以属于一个或多个项目
用户对项目和操作权限由用户在项目中的角色决定

 

KeyStone安装和配置


 

1、安装keystone包

以前版本,把token放在了数据库里,keystone 的token表会越来越大,几千万行,后面就响应很慢了,你可以truncate这个表,但是不要在创建虚拟机的时候截断表
现在改成了可以把token放在memcache里面,读的更快,同时memcached里也可以设置过期时间
python-memcached是使用python连接memcached的,因为连接过去,keystone会返回一个token。
httpd这个包用来运行keystone的服务,mod_wsgi 它是python的一个模块,有了它,就可以让keystone在apache运行为什么现在用到了memcached呢

[root@linux-node1 ~]# yum install -y openstack-keystone httpd mod_wsgi memcached python-memcached
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * base: mirrors.163.com
 * epel: mirror01.idc.hinet.net
 * extras: mirrors.163.com
 * updates: mirrors.163.com
Package 1:openstack-keystone-9.2.0-1.el7.noarch already installed and latest version
Package httpd-2.4.6-45.el7.centos.x86_64 already installed and latest version
Package mod_wsgi-3.4-12.el7_0.x86_64 already installed and latest version
Package memcached-1.4.33-2.el7.x86_64 already installed and latest version
Package python-memcached-1.54-3.el7.noarch already installed and latest version
Nothing to do
[root@linux-node1 ~]# 

  

 

2、更改keystone配置文件

keystone是管理认证的,我想在里面创建用户,如果像rabbitmq有个默认用户也行
现在是没有用户,怎么连上去创建用户呢,这里就用到了admin_token
使用admin_token不用任何用户就可以连接上keystone,先配置下admin_token
我们使用一个随机的值替换默认的admin,手动随机一个字符串

[root@linux-node1 ~]# openssl rand -hex 10
d6f70f7738e69f57a839
[root@linux-node1 ~]# 

更改keystone配置文件/etc/keystone/keystone.conf

把13行admin_token配置成一个上面随机值,也可以自己定义。不要太简单即可
另外配置文件必须顶头写,在admin_token前面不要有空格

[database]模块下,更改数据库连接,如下

配置memcached连接配置

keystone中memcache的作用
把用户名密码验证之后生成token,放在memcache里面的,来提高性能
其实你的memcache也可以安装在任意一台机器上,解耦

 

[token]模块下,配置令牌提供者,fernet方式比uuid更安全,配置driver为memcache,表示把另外放在memcache空间里

 

检查下配置,显示行号

[root@linux-node1 ~]# grep -n  '^[a-Z]'  /etc/keystone/keystone.conf
13:admin_token = d6f70f7738e69f57a839
549:connection = mysql+pymysql://keystone:keystone@192.168.56.11/keystone
1252:servers = 192.168.56.11:11211
2005:provider = fernet
2010:driver = memcache
[root@linux-node1 ~]# 

  

3、同步数据库执行建表操作

初始化身份认证服务的数据库:
[root@linux-node1 ~]# su -s /bin/sh -c "keystone-manage db_sync" keystone
[root@linux-node1 ~]# 
 

为什么要切换到keystone用户下执行这个命令呢
如果你上面不切换到keystone用户执行,也能执行成功,但是这个log文件属主就是root了
后面启动keystone服务,它要写这个日志文件,root属主的文件它无法写入,就启动不成功了
上面命令执行完毕,日志属主都是keystone用户下的了。

[root@linux-node1 ~]# cd /var/log/keystone/
[root@linux-node1 keystone]# ll
total 8
-rw-r--r-- 1 keystone keystone 6964 Feb 16 21:32 keystone.log
[root@linux-node1 keystone]# tail -10 keystone.log 
2017-02-16 21:32:31.820 6028 INFO migrate.versioning.api [-] 2 -> 3... 
2017-02-16 21:32:31.835 6028 INFO migrate.versioning.api [-] done
2017-02-16 21:32:31.835 6028 INFO migrate.versioning.api [-] 3 -> 4... 
2017-02-16 21:32:31.879 6028 INFO migrate.versioning.api [-] done
2017-02-16 21:32:31.879 6028 INFO migrate.versioning.api [-] 4 -> 5... 
2017-02-16 21:32:31.902 6028 INFO migrate.versioning.api [-] done
2017-02-16 21:32:31.927 6028 INFO migrate.versioning.api [-] 0 -> 1... 
2017-02-16 21:32:31.947 6028 INFO migrate.versioning.api [-] done
2017-02-16 21:32:31.947 6028 INFO migrate.versioning.api [-] 1 -> 2... 
2017-02-16 21:32:31.975 6028 INFO migrate.versioning.api [-] done

当然你也可以以root执行,然后chown这个日志文件给keystone。

 
 
检查验证上述操作是否建表成功,使用keystone用户查看,还可以检查登录是否正确
[root@linux-node1 ~]# mysql -ukeystone -pkeystone -e "use keystone;show tables;"
+------------------------+
| Tables_in_keystone     |
+------------------------+
| access_token           |
| assignment             |
| config_register        |
| consumer               |
| credential             |
| domain                 |
| endpoint               |
| endpoint_group         |
| federated_user         |
| federation_protocol    |
| group                  |
| id_mapping             |
| identity_provider      |
| idp_remote_ids         |
| implied_role           |
| local_user             |
| mapping                |
| migrate_version        |
| password               |
| policy                 |
| policy_association     |
| project                |
| project_endpoint       |
| project_endpoint_group |
| region                 |
| request_token          |
| revocation_event       |
| role                   |
| sensitive_config       |
| service                |
| service_provider       |
| token                  |
| trust                  |
| trust_role             |
| user                   |
| user_group_membership  |
| whitelisted_config     |
+------------------------+
[root@linux-node1 ~]# 

 下面是keystone服务的日志文件默认路径,注意它的属组权限

[root@linux-node1 ~]# cd /var/log/keystone/
[root@linux-node1 keystone]# ll
total 8
-rw-r--r-- 1 keystone keystone 4340 Feb 17 17:22 keystone.log
[root@linux-node1 keystone]# 
 
 
 
4、初始化Fernet keys,创建证书
[root@linux-node1 keystone]# keystone-manage fernet_setup --keystone-user keystone --keystone-group keystone
[root@linux-node1 keystone]# 
上述命令执行完,它会创建下面这个目录fernet-keys,同时注意keyston.conf的文件权限
root@linux-node1 keystone]# cd /etc/keystone/
[root@linux-node1 keystone]# ls -l
total 100
-rw-r----- 1 root     keystone  2303 Sep 22 20:06 default_catalog.templates
drwx------ 2 keystone keystone    22 Feb 17 17:28 fernet-keys
-rw-r----- 1 root     keystone 73171 Feb 17 17:22 keystone.conf
-rw-r----- 1 root     keystone  2400 Sep 22 20:06 keystone-paste.ini
-rw-r----- 1 root     keystone  1046 Sep 22 20:06 logging.conf
-rw-r----- 1 keystone keystone  9699 Sep 22 20:06 policy.json
-rw-r----- 1 keystone keystone   665 Sep 22 20:06 sso_callback_template.html
[root@linux-node1 keystone]# 

tree方式查看一下

[root@linux-node1 keystone]# tree
.
├── default_catalog.templates
├── fernet-keys
│   ├── 0
│   └── 1
├── keystone.conf
├── keystone-paste.ini
├── logging.conf
├── policy.json
└── sso_callback_template.html

1 directory, 8 files
[root@linux-node1 keystone]# 

  

 
5、memcache启动并更改配置
[root@linux-node1 ~]# systemctl start memcached.service
[root@linux-node1 ~]# systemctl enable memcached
Created symlink from /etc/systemd/system/multi-user.target.wants/memcached.service to /usr/lib/systemd/system/memcached.service.
[root@linux-node1 keystone]# netstat -antp | grep 11211
tcp        0      0 127.0.0.1:11211         0.0.0.0:*               LISTEN      12264/memcached     
tcp6       0      0 ::1:11211               :::*                    LISTEN      12264/memcached   

[root@linux-node1 keystone]# ps aux | grep memcached
memcach+  12264  0.0  0.0 333840  1212 ?        Ssl  20:43   0:00 /usr/bin/memcached -p 11211 -u memcached -m 64 -c 1024 -l 127.0.0.1,::1
root      12345  0.0  0.0 112644   964 pts/0    S+   20:45   0:00 grep --colour=auto memcached
[root@linux-node1 keystone]# 
 
找它的配置文件
[root@linux-node1 keystone]# rpm -ql memcached
/etc/sysconfig/memcached
/usr/bin/memcached
/usr/bin/memcached-tool
/usr/lib/systemd/system/memcached.service
/usr/share/doc/memcached-1.4.33
/usr/share/doc/memcached-1.4.33/AUTHORS
/usr/share/doc/memcached-1.4.33/CONTRIBUTORS
/usr/share/doc/memcached-1.4.33/COPYING
/usr/share/doc/memcached-1.4.33/ChangeLog
/usr/share/doc/memcached-1.4.33/NEWS
/usr/share/doc/memcached-1.4.33/README.md
/usr/share/doc/memcached-1.4.33/new_lru.txt
/usr/share/doc/memcached-1.4.33/protocol.txt
/usr/share/doc/memcached-1.4.33/readme.txt
/usr/share/doc/memcached-1.4.33/threads.txt
/usr/share/man/man1/memcached-tool.1.gz
/usr/share/man/man1/memcached.1.gz
[root@linux-node1 keystone]# 
 
下面是它默认配置,你可以更改
[root@linux-node1 keystone]# cat /etc/sysconfig/memcached 
PORT="11211"
USER="memcached"
MAXCONN="1024"
CACHESIZE="64"
OPTIONS="-l 127.0.0.1,::1"
[root@linux-node1 keystone]# 
memcached没监听在ipv4上,导致无法通过192.168.56.11这个地址连接,需要修改,否则后面通过密码认证会报500错误
[root@linux-node1 keystone]# telnet 192.168.56.11 11211
Trying 192.168.56.11...
telnet: connect to address 192.168.56.11: Connection refused
 
更改memcached监听地址,改为全部网络接口上
[root@linux-node1 ~]# cat /etc/sysconfig/memcached 
PORT="11211"
USER="memcached"
MAXCONN="1024"
CACHESIZE="64"
OPTIONS="-l 0.0.0.0"
[root@linux-node1 ~]# 
 
重启memcached服务,这样11211就监听再了ipv4端口上了
[root@linux-node1 ~]# netstat -antp 
Active Internet connections (servers and established)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:25672           0.0.0.0:*               LISTEN      4916/beam.smp       
tcp        0      0 0.0.0.0:5000            0.0.0.0:*               LISTEN      1181/httpd          
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      1615/mysqld         
tcp        0      0 0.0.0.0:11211           0.0.0.0:*               LISTEN      2006/memcached      
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN      1181/httpd          
tcp        0      0 0.0.0.0:4369            0.0.0.0:*               LISTEN      1/systemd           
tcp        0      0 192.168.122.1:53        0.0.0.0:*               LISTEN      1745/dnsmasq        
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1160/sshd           
tcp        0      0 0.0.0.0:15672           0.0.0.0:*               LISTEN      4916/beam.smp       
tcp        0      0 0.0.0.0:35357           0.0.0.0:*               LISTEN      1181/httpd          
tcp        0      0 127.0.0.1:4369          127.0.0.1:33788         ESTABLISHED 1653/epmd           
tcp        0     52 192.168.56.11:22        192.168.56.1:50037      ESTABLISHED 1910/sshd: root@pts 
tcp        0      0 192.168.56.11:4369      192.168.56.11:60206     TIME_WAIT   -                   
tcp        0      0 127.0.0.1:54935         127.0.0.1:4369          TIME_WAIT   -                   
tcp        0      0 127.0.0.1:33788         127.0.0.1:4369          ESTABLISHED 4916/beam.smp       
tcp        0      0 192.168.56.11:4369      192.168.56.11:47835     TIME_WAIT   -                   
tcp        0      0 192.168.56.11:4369      192.168.56.11:33010     TIME_WAIT   -                   
tcp        0     57 192.168.56.11:15672     192.168.56.1:51799      ESTABLISHED 4916/beam.smp       
tcp6       0      0 :::5672                 :::*                    LISTEN      4916/beam.smp       
tcp6       0      0 :::22                   :::*                    LISTEN      1160/sshd           
[root@linux-node1 ~]# 

可以通过IPv4地址访问了

[root@linux-node1 keystone]# telnet 127.0.0.1 11211
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
^]
telnet> quit
Connection closed.
[root@linux-node1 keystone]# 

为了防止后期一些服务监听再IPv6上的干扰,可以禁用掉系统默认的IPv6

[root@linux-node1 ~]# vim /etc/sysctl.conf 
[root@linux-node1 ~]# cat /etc/sysctl.conf 
# sysctl settings are defined through files in
# /usr/lib/sysctl.d/, /run/sysctl.d/, and /etc/sysctl.d/.
#
# Vendors settings live in /usr/lib/sysctl.d/.
# To override a whole file, create a new file with the same in
# /etc/sysctl.d/ and put new settings there. To override
# only specific settings, add a file with a lexically later
# name in /etc/sysctl.d/ and put new settings there.
#
# For more information, see sysctl.conf(5) and sysctl.d(5).
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
[root@linux-node1 ~]# sysctl -p
net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
[root@linux-node1 ~]# 
 
6、配置apache

早期keystone自己单独可以启动,但是性能不好。后面就使用apache运行keystone服务了

使用apache代理keystone,这里面有2个虚拟主机的配置

5000 正常的api来访问 35357 admin用户管理访问的端口

创建下面文件并配置如下
[root@linux-node1 keystone]# touch /etc/httpd/conf.d/wsgi-keystone.conf
[root@linux-node1 keystone]# vim /etc/httpd/conf.d/wsgi-keystone.conf
[root@linux-node1 keystone]# cat /etc/httpd/conf.d/wsgi-keystone.conf
Listen 5000
Listen 35357

<VirtualHost *:5000>
    WSGIDaemonProcess keystone-public processes=5 threads=1 user=keystone group=keystone display-name=%{GROUP}
    WSGIProcessGroup keystone-public
    WSGIScriptAlias / /usr/bin/keystone-wsgi-public
    WSGIApplicationGroup %{GLOBAL}
    WSGIPassAuthorization On
    ErrorLogFormat "%{cu}t %M"
    ErrorLog /var/log/httpd/keystone-error.log
    CustomLog /var/log/httpd/keystone-access.log combined

    <Directory /usr/bin>
        Require all granted
    </Directory>
</VirtualHost>

<VirtualHost *:35357>
    WSGIDaemonProcess keystone-admin processes=5 threads=1 user=keystone group=keystone display-name=%{GROUP}
    WSGIProcessGroup keystone-admin
    WSGIScriptAlias / /usr/bin/keystone-wsgi-admin
    WSGIApplicationGroup %{GLOBAL}
    WSGIPassAuthorization On
    ErrorLogFormat "%{cu}t %M"
    ErrorLog /var/log/httpd/keystone-error.log
    CustomLog /var/log/httpd/keystone-access.log combined

    <Directory /usr/bin>
        Require all granted
    </Directory>
</VirtualHost>
[root@linux-node1 keystone]# 

修改主配置文件,95行改成如下内容

必须要配置httpd的ServerName,不配置的话apache能启动,但是keystone服务不能起来

[root@linux-node1 keystone]# vim /etc/httpd/conf/httpd.conf 
[root@linux-node1 keystone]# grep -n "^ServerName" /etc/httpd/conf/httpd.conf
95:ServerName 192.168.56.11:80
[root@linux-node1 keystone]# 

  

7、启动启动keystone服务
启动apache服务就相当于启动了keystone
[root@linux-node1 keystone]# systemctl enable httpd.service
Created symlink from /etc/systemd/system/multi-user.target.wants/httpd.service to /usr/lib/systemd/system/httpd.service.
[root@linux-node1 keystone]# systemctl start httpd.service
[root@linux-node1 keystone]# 

查看监听情况,5000和35357端口已经起来了

[root@linux-node1 keystone]# netstat -lntp
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State       PID/Program name    
tcp        0      0 0.0.0.0:25672           0.0.0.0:*               LISTEN      3455/beam.smp       
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN      1965/mysqld         
tcp        0      0 127.0.0.1:11211         0.0.0.0:*               LISTEN      12264/memcached     
tcp        0      0 0.0.0.0:111             0.0.0.0:*               LISTEN      1/systemd           
tcp        0      0 0.0.0.0:4369            0.0.0.0:*               LISTEN      1/systemd           
tcp        0      0 192.168.122.1:53        0.0.0.0:*               LISTEN      1337/dnsmasq        
tcp        0      0 0.0.0.0:22              0.0.0.0:*               LISTEN      1153/sshd           
tcp        0      0 0.0.0.0:15672           0.0.0.0:*               LISTEN      3455/beam.smp       
tcp        0      0 127.0.0.1:25            0.0.0.0:*               LISTEN      1277/master         
tcp6       0      0 :::5000                 :::*                    LISTEN      12556/httpd         
tcp6       0      0 :::5672                 :::*                    LISTEN      3455/beam.smp       
tcp6       0      0 ::1:11211               :::*                    LISTEN      12264/memcached     
tcp6       0      0 :::111                  :::*                    LISTEN      1/systemd           
tcp6       0      0 :::80                   :::*                    LISTEN      12556/httpd         
tcp6       0      0 :::22                   :::*                    LISTEN      1153/sshd           
tcp6       0      0 ::1:25                  :::*                    LISTEN      1277/master         
tcp6       0      0 :::35357                :::*                    LISTEN      12556/httpd         
[root@linux-node1 keystone]# 
 
查看日志,没报错即可
[root@linux-node1 ~]# tail -f /var/log/keystone/keystone.log 
2017-02-17 17:22:11.743 7983 INFO migrate.versioning.api [-] done
2017-02-17 17:22:11.743 7983 INFO migrate.versioning.api [-] 96 -> 97... 
2017-02-17 17:22:11.754 7983 INFO migrate.versioning.api [-] done
2017-02-17 17:28:10.672 8128 INFO keystone.token.providers.fernet.utils [-] [fernet_tokens] key_repository does not appear to exist; attempting to create it
2017-02-17 17:28:10.673 8128 INFO keystone.token.providers.fernet.utils [-] Created a new key: /etc/keystone/fernet-keys/0
2017-02-17 17:28:10.674 8128 INFO keystone.token.providers.fernet.utils [-] Starting key rotation with 1 key files: ['/etc/keystone/fernet-keys/0']
2017-02-17 17:28:10.675 8128 INFO keystone.token.providers.fernet.utils [-] Current primary key is: 0
2017-02-17 17:28:10.675 8128 INFO keystone.token.providers.fernet.utils [-] Next primary key will be: 1
2017-02-17 17:28:10.675 8128 INFO keystone.token.providers.fernet.utils [-] Promoted key 0 to be the primary: 1
2017-02-17 17:28:10.676 8128 INFO keystone.token.providers.fernet.utils [-] Created a new key: /etc/keystone/fernet-keys/0
 
启动如果有问题可以打开debug
[root@linux-node1 ~]# vim /etc/keystone/keystone.conf 
[root@linux-node1 ~]# grep -n "#debug" /etc/keystone/keystone.conf
118:#debug = false
403:#debug_cache_backend = false
1008:#debug_level = <None>
[root@linux-node1 ~]# 

  

 

在keystone创建域、项目、用户和角色


 

 先查看之前配置文件里配置的admin_token

[root@linux-node1 ~]# grep -n "^admin_token" /etc/keystone/keystone.conf
13:admin_token = d6f70f7738e69f57a839
[root@linux-node1 ~]# 

1、添加环境变量

你在当前窗口设置了环境变量,也一定要在当前窗口操作
5000端口是给消费者调用的,35357是给管理者用的,管理链接
v3是v3版本,这里写这个非常有出处,以后升级便于找出问题,对于一些版本依赖的服务很友好
前面连接v3版本的资源。如果你升级,新建个目录v4,这样既保存了v3版本的东西,就有新的v4
便于找出问题,也是架构设计的优点

[root@linux-node1 ~]# export OS_TOKEN=d6f70f7738e69f57a839
[root@linux-node1 ~]# export OS_URL=http://192.168.56.11:35357/v3
[root@linux-node1 ~]# export OS_IDENTITY_API_VERSION=3
[root@linux-node1 ~]# 

2.、创建域default

[root@linux-node1 ~]# openstack domain create --description "Default Domain" default
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Default Domain                   |
| enabled     | True                             |
| id          | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| name        | default                          |
+-------------+----------------------------------+
[root@linux-node1 ~]# 


3、创建 admin 项目

这个admin的项目可以管理所有的云主机

[root@linux-node1 ~]# openstack project create --domain default   --description "Admin Project" admin
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Admin Project                    |
| domain_id   | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled     | True                             |
| id          | e88437b3330145e1a713469130b4c3cd |
| is_domain   | False                            |
| name        | admin                            |
| parent_id   | 1b7cf039119d4f8a8e82baaa6f4c2469 |
+-------------+----------------------------------+
[root@linux-node1 ~]# 

  

4、创建 admin 用户

生产环境密码一定要设置复杂

[root@linux-node1 ~]# openstack user create --domain default  --password-prompt admin
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled   | True                             |
| id        | bf3591b757704f8c8166e3294a62efb7 |
| name      | admin                            |
+-----------+----------------------------------+
[root@linux-node1 ~]# 

  

5、创建 admin 角色
[root@linux-node1 ~]# openstack role create admin
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | None                             |
| id        | 62a941ebad834b398e9eef009c2b6eaa |
| name      | admin                            |
+-----------+----------------------------------+
[root@linux-node1 ~]# 

  

6、添加admin角色到 admin 项目和用户上

[root@linux-node1 ~]# openstack role add --project admin --user admin admin
[root@linux-node1 ~]# 

上面我们创建的角色都是openstack有的,提前定义好的,不是我们随便创建的,在这里可以看到

[root@linux-node1 ~]# cd /etc/keystone/
[root@linux-node1 keystone]# ls
default_catalog.templates  keystone.conf       logging.conf  sso_callback_template.html
fernet-keys                keystone-paste.ini  policy.json
[root@linux-node1 keystone]# cat policy.json 
{
    "admin_required": "role:admin or is_admin:1",
    "service_role": "role:service",
    "service_or_admin": "rule:admin_required or rule:service_role",
    "owner" : "user_id:%(user_id)s",
    "admin_or_owner": "rule:admin_required or rule:owner",

  

继续创建一个普通用户,后面使用普通用户进行虚拟机的创建

一般情况下我们应该使用无特权的项目和用户。
作为例子,本指南创建 demo 项目和用户。

7、创建demo 项目

[root@linux-node1 keystone]# openstack project create --domain default  --description "Demo Project" demo
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Demo Project                     |
| domain_id   | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled     | True                             |
| id          | ef1575c568a4416c81f4855ae5cfd8eb |
| is_domain   | False                            |
| name        | demo                             |
| parent_id   | 1b7cf039119d4f8a8e82baaa6f4c2469 |
+-------------+----------------------------------+
[root@linux-node1 keystone]# 

8、创建demo 用户

[root@linux-node1 keystone]# openstack user create --domain default --password-prompt demo
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled   | True                             |
| id        | 7a01e2bd239844f183abbb4b0b960647 |
| name      | demo                             |
+-----------+----------------------------------+
[root@linux-node1 keystone]# 

  

9、创建 user 角色
[root@linux-node1 keystone]# openstack role create user
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | None                             |
| id        | 5fdf92e7547b4f9aa346f88942ce36b0 |
| name      | user                             |
+-----------+----------------------------------+
[root@linux-node1 keystone]# 

10、添加 user角色到 demo 项目和用户

[root@linux-node1 keystone]# openstack role add --project demo --user demo user
[root@linux-node1 keystone]# 

keystone服务创建服务目录相关


 

keystone除了服务认证的作用,还有服务目录的作用
keystone本身也要在上面注册

1、创建service项目,里面可以包含服务

[root@linux-node1 keystone]# openstack project create --domain default  --description "Service Project" service
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | Service Project                  |
| domain_id   | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled     | True                             |
| id          | fc29ee0a1c7145de99885bb4a3bef9c1 |
| is_domain   | False                            |
| name        | service                          |
| parent_id   | 1b7cf039119d4f8a8e82baaa6f4c2469 |
+-------------+----------------------------------+
[root@linux-node1 keystone]# 

提前为每个服务创建用户,密码都是和本服务用户名一致 

2、创建glance用户

[root@linux-node1 ~]# openstack user create --domain default --password-prompt glance
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled   | True                             |
| id        | fc2b7770e8394568922b0ef18672b45c |
| name      | glance                           |
+-----------+----------------------------------+
[root@linux-node1 ~]# 

  

3、把glance用户加入到service项目,同时给它admin角色
root@linux-node1 ~]# openstack role add --project service --user glance admin
[root@linux-node1 ~]# 

  

nova服务
4、创建nova用户,并加入service项目,同时给它admin角色
[root@linux-node1 ~]# openstack user create --domain default --password-prompt nova
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled   | True                             |
| id        | b14137c43aa9474d86331593db43fe1f |
| name      | nova                             |
+-----------+----------------------------------+
[root@linux-node1 ~]# openstack role add --project service --user nova admin
[root@linux-node1 ~]# 

  

5、创建neutron用户,并接入Service项目,同时给它admin角色
[root@linux-node1 ~]# openstack user create --domain default --password-prompt neutron
User Password:
Repeat User Password:
+-----------+----------------------------------+
| Field     | Value                            |
+-----------+----------------------------------+
| domain_id | 1b7cf039119d4f8a8e82baaa6f4c2469 |
| enabled   | True                             |
| id        | ff1bea210abb4d89b27ab96fd6d6b2d9 |
| name      | neutron                          |
+-----------+----------------------------------+
[root@linux-node1 ~]# openstack role add --project service --user neutron admin
[root@linux-node1 ~]# 

  

创建服务实体和API端点

在你的Openstack环境中,认证服务管理服务目录。服务使用这个目录来决定您的环境中可用的服务。
创建服务实体和身份认证服务:

6、创建keystone服务,类型是identify

[root@linux-node1 ~]# openstack service create  --name keystone --description "OpenStack Identity" identity
+-------------+----------------------------------+
| Field       | Value                            |
+-------------+----------------------------------+
| description | OpenStack Identity               |
| enabled     | True                             |
| id          | 4c0cdee367d14a66aa3921fe68e4b63e |
| name        | keystone                         |
| type        | identity                         |
+-------------+----------------------------------+
[root@linux-node1 ~]# 

  

7、创建认证服务的 API 端点,公共的,内部的,管理的

只有这个keystone比较特殊,其它的服务端口都是一样的 

public url可以被全局访问

[root@linux-node1 ~]# openstack endpoint create --region RegionOne identity public http://192.168.56.11:5000/v3
+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 1d91a71ed4254789ad3c6fed96ec6375 |
| interface    | public                           |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 4c0cdee367d14a66aa3921fe68e4b63e |
| service_name | keystone                         |
| service_type | identity                         |
| url          | http://192.168.56.11:5000/v3     |
+--------------+----------------------------------+
[root@linux-node1 ~]# 

private url只能被局域网访问

[root@linux-node1 ~]# openstack endpoint create --region RegionOne identity internal http://192.168.56.11:5000/v3
+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 525ca6f2b5bc426d82410f551d3568ff |
| interface    | internal                         |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 4c0cdee367d14a66aa3921fe68e4b63e |
| service_name | keystone                         |
| service_type | identity                         |
| url          | http://192.168.56.11:5000/v3     |
+--------------+----------------------------------+
[root@linux-node1 ~]# 

管理员使用的

[root@linux-node1 ~]# openstack endpoint create --region RegionOne identity admin http://192.168.56.11:35357/v3
+--------------+----------------------------------+
| Field        | Value                            |
+--------------+----------------------------------+
| enabled      | True                             |
| id           | 7b561693fd7947a0b6c05e6f8f42d964 |
| interface    | admin                            |
| region       | RegionOne                        |
| region_id    | RegionOne                        |
| service_id   | 4c0cdee367d14a66aa3921fe68e4b63e |
| service_name | keystone                         |
| service_type | identity                         |
| url          | http://192.168.56.11:35357/v3    |
+--------------+----------------------------------+
[root@linux-node1 ~]# 

  

关于创建的对象的增删改查操作。 后面跟id,创建错了可以通过id删除
[root@linux-node1 ~]# openstack user --help
Command "user" matches:
  user create
  user delete
  user list
  user password set
  user set
  user show
[root@linux-node1 ~]# openstack endpoint --help
Command "endpoint" matches:
  endpoint create
  endpoint delete
  endpoint list
  endpoint set
  endpoint show
[root@linux-node1 ~]# 

  

8、 检查上面创建结果

[root@linux-node1 ~]# openstack service list
+----------------------------------+----------+----------+
| ID                               | Name     | Type     |
+----------------------------------+----------+----------+
| 4c0cdee367d14a66aa3921fe68e4b63e | keystone | identity |
+----------------------------------+----------+----------+
[root@linux-node1 ~]# openstack endpoint list
+--------------------+-----------+--------------+--------------+---------+-----------+--------------------+
| ID                 | Region    | Service Name | Service Type | Enabled | Interface | URL                |
+--------------------+-----------+--------------+--------------+---------+-----------+--------------------+
| 1d91a71ed4254789ad | RegionOne | keystone     | identity     | True    | public    | http://192.168.56. |
| 3c6fed96ec6375     |           |              |              |         |           | 11:5000/v3         |
| 525ca6f2b5bc426d82 | RegionOne | keystone     | identity     | True    | internal  | http://192.168.56. |
| 410f551d3568ff     |           |              |              |         |           | 11:5000/v3         |
| 7b561693fd7947a0b6 | RegionOne | keystone     | identity     | True    | admin     | http://192.168.56. |
| c05e6f8f42d964     |           |              |              |         |           | 11:35357/v3        |
+--------------------+-----------+--------------+--------------+---------+-----------+--------------------+
[root@linux-node1 ~]# 
其实上面创建操作都是写数据库,查询操作也是查询数据库
[root@linux-node1 ~]# mysql -ukeystone -pkeystone
Welcome to the MariaDB monitor.  Commands end with ; or g.
Your MariaDB connection id is 8
Server version: 5.5.52-MariaDB MariaDB Server

Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.

MariaDB [(none)]> select * from keystone.endpoint;
+----------------------------------+--------------------+-----------+----------------------------------+-------------------------------+-------+---------+-----------+
| id                               | legacy_endpoint_id | interface | service_id                       | url                           | extra | enabled | region_id |
+----------------------------------+--------------------+-----------+----------------------------------+-------------------------------+-------+---------+-----------+
| 1d91a71ed4254789ad3c6fed96ec6375 | NULL               | public    | 4c0cdee367d14a66aa3921fe68e4b63e | http://192.168.56.11:5000/v3  | {}    |       1 | RegionOne |
| 525ca6f2b5bc426d82410f551d3568ff | NULL               | internal  | 4c0cdee367d14a66aa3921fe68e4b63e | http://192.168.56.11:5000/v3  | {}    |       1 | RegionOne |
| 7b561693fd7947a0b6c05e6f8f42d964 | NULL               | admin     | 4c0cdee367d14a66aa3921fe68e4b63e | http://192.168.56.11:35357/v3 | {}    |       1 | RegionOne |
+----------------------------------+--------------------+-----------+----------------------------------+-------------------------------+-------+---------+-----------+
3 rows in set (0.00 sec)

MariaDB [(none)]> 
 
全部都在数据库里存着的
MariaDB [(none)]> select * from keystone.user;
+----------------------------------+-------+---------+--------------------+
| id                               | extra | enabled | default_project_id |
+----------------------------------+-------+---------+--------------------+
| 7a01e2bd239844f183abbb4b0b960647 | {}    |       1 | NULL               |
| b14137c43aa9474d86331593db43fe1f | {}    |       1 | NULL               |
| bf3591b757704f8c8166e3294a62efb7 | {}    |       1 | NULL               |
| fc2b7770e8394568922b0ef18672b45c | {}    |       1 | NULL               |
| ff1bea210abb4d89b27ab96fd6d6b2d9 | {}    |       1 | NULL               |
+----------------------------------+-------+---------+--------------------+
5 rows in set (0.00 sec)

MariaDB [(none)]> select * from keystone.service;
+----------------------------------+----------+---------+-----------------------------------------------------------+
| id                               | type     | enabled | extra                                                     |
+----------------------------------+----------+---------+-----------------------------------------------------------+
| 4c0cdee367d14a66aa3921fe68e4b63e | identity |       1 | {"description": "OpenStack Identity", "name": "keystone"} |
+----------------------------------+----------+---------+-----------------------------------------------------------+
1 row in set (0.00 sec)

MariaDB [(none)]> 

  

9、使用用户连接keystone验证

不使用admin_token,需要取消环境变量里的设置
下面成功获取token信息,表示通过admin用户连接成功
[root@linux-node1 ~]# unset OS_TOKEN
[root@linux-node1 ~]# unset OS_URL
[root@linux-node1 ~]# openstack --os-auth-url http://192.168.56.11:35357/v3 
>   --os-project-domain-name default --os-user-domain-name default 
>   --os-project-name admin --os-username admin token issue
Password: 
+------------+--------------------------------------------------------------------------------------------+
| Field      | Value                                                                                      |
+------------+--------------------------------------------------------------------------------------------+
| expires    | 2017-02-17T15:30:40.804805Z                                                                |
| id         | gAAAAABYpwkRR5dn3jc8jhGy24mhmkYnQD6pgQoi9pTkP-mSOdbB3G5CELvuoSE4p_8wvAl4-TZunia45moMdCP0iB |
|            | RfWDOoov7ong5KtXa4OdWupiajXm3n49tZvqVFJ760R7LbGZ1I1oGST8cUHsoeVlqze9iIDoTCt9dw6D0-lix-     |
|            | 5wMHwc0                                                                                    |
| project_id | e88437b3330145e1a713469130b4c3cd                                                           |
| user_id    | bf3591b757704f8c8166e3294a62efb7                                                           |
+------------+--------------------------------------------------------------------------------------------+
[root@linux-node1 ~]# 

测试demo 用户,请求认证令牌,也成功  

[root@linux-node1 ~]# openstack --os-auth-url http://192.168.56.11:5000/v3 
>   --os-project-domain-name default --os-user-domain-name default 
>   --os-project-name demo --os-username demo token issue
Password: 
+------------+--------------------------------------------------------------------------------------------+
| Field      | Value                                                                                      |
+------------+--------------------------------------------------------------------------------------------+
| expires    | 2017-02-17T15:34:15.267032Z                                                                |
| id         | gAAAAABYpwnnB8SFrZCQMa_d_4vHcKMQoAmt34F1rnIAz4fMsIG1Hr1c1wbGE3TAKBbQW4T-YHZt61P5EKAoopPJK- |
|            | bhXZZHZO6huiVIPvytzN3rd0N-zSf-xdKDWZ0SiGAciDCbyjfzm0i4DFhEnkA9buxAaFL8eTpWvPoknCBg-        |
|            | klLB35Pw1A                                                                                 |
| project_id | ef1575c568a4416c81f4855ae5cfd8eb                                                           |
| user_id    | 7a01e2bd239844f183abbb4b0b960647                                                           |
+------------+--------------------------------------------------------------------------------------------+
[root@linux-node1 ~]# 

  

10、创建 OpenStack 客户端环境脚本

设置2个环境变量脚本,以后想用的话,source一下就行了,再次获取下token,就不用像以前输入这么长了

[root@linux-node1 ~]# cat admin-openstack.sh 
export OS_PROJECT_DOMAIN_NAME=default
export OS_USER_DOMAIN_NAME=default
export OS_PROJECT_NAME=admin
export OS_USERNAME=admin
export OS_PASSWORD=admin
export OS_AUTH_URL=http://192.168.56.11:35357/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2
[root@linux-node1 ~]# cat demo-openstack.sh 
export OS_PROJECT_DOMAIN_NAME=default
export OS_USER_DOMAIN_NAME=default
export OS_PROJECT_NAME=demo
export OS_USERNAME=demo
export OS_PASSWORD=demo
export OS_AUTH_URL=http://192.168.56.11:5000/v3
export OS_IDENTITY_API_VERSION=3
export OS_IMAGE_API_VERSION=2

通过脚本加载环境变量,获取token

[root@linux-node1 ~]# source admin-openstack.sh 
[root@linux-node1 ~]# openstack token issue
+------------+--------------------------------------------------------------------------------------------+
| Field      | Value                                                                                      |
+------------+--------------------------------------------------------------------------------------------+
| expires    | 2017-02-17T15:47:48.365307Z                                                                |
| id         | gAAAAABYpw0Ua2MqIA4X7zouPtRHzKmd9TSKG5tcX76c1rv40CDYJX1nZZUjDvMl0884721zaFlFOARPm2jDGkrqir |
|            | b5X6qNnVCQGUSiasm853HZge2m1ZBGw6GOMbFiG0SAABIUvl7E3Or8kzHWnLBJ8Ls6AfP350tlR8zH7kUVwV8-2CKp |
|            | NQY                                                                                        |
| project_id | e88437b3330145e1a713469130b4c3cd                                                           |
| user_id    | bf3591b757704f8c8166e3294a62efb7                                                           |
+------------+--------------------------------------------------------------------------------------------+
[root@linux-node1 ~]# 

  

  

以后每次执行openstack相关命令都要执行source一次环境变量!!!
原文地址:https://www.cnblogs.com/nmap/p/6416558.html