OpenStack Wallaby : Configure Keystone #12021/04/22 |
Install and Configure OpenStack Identity Service (Keystone).
This example is based on the environment like follows.
eth0|10.0.0.30 +-----------+-----------+ | [ Control Node ] | | | | MariaDB RabbitMQ | | Memcached httpd | | Keystone | +-----------------------+ |
[1] | Add a User and Database on MariaDB for Keystone. |
[root@dlp ~]# mysql -u root -p Enter password: Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 8 Server version: 10.3.27-MariaDB MariaDB Server Copyright (c) 2000, 2018, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> create database keystone; Query OK, 1 row affected (0.00 sec) MariaDB [(none)]> grant all privileges on keystone.* to keystone@'localhost' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> grant all privileges on keystone.* to keystone@'%' identified by 'password'; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> flush privileges; Query OK, 0 rows affected (0.00 sec) MariaDB [(none)]> exit Bye |
[2] | Install Keystone. |
[root@dlp ~]# dnf --enablerepo=centos-openstack-wallaby,epel,powertools -y install openstack-keystone python3-openstackclient httpd mod_ssl python3-mod_wsgi python3-oauth2client
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[3] | Configure Keystone. |
[root@dlp ~]#
vi /etc/keystone/keystone.conf # line 442 : add to specify Memcache server memcache_servers = 10.0.0.30:11211
# line 621 : add to specify MariaDB connection info connection = mysql+pymysql://keystone:password@10.0.0.30/keystone
[token]
# line 2514 : uncomment provider = fernet
[root@dlp ~]#
su -s /bin/bash keystone -c "keystone-manage db_sync"
# initialize keys [root@dlp ~]# keystone-manage fernet_setup --keystone-user keystone --keystone-group keystone [root@dlp ~]# keystone-manage credential_setup --keystone-user keystone --keystone-group keystone
# define Keystone Host [root@dlp ~]# export controller=10.0.0.30
# bootstrap keystone # replace any password you like for [adminpassword] section [root@dlp ~]# keystone-manage bootstrap --bootstrap-password adminpassword \
--bootstrap-admin-url http://$controller:5000/v3/ \ --bootstrap-internal-url http://$controller:5000/v3/ \ --bootstrap-public-url http://$controller:5000/v3/ \ --bootstrap-region-id RegionOne |
[4] | If SELinux is enabled, change boolean settings. |
[root@dlp ~]# setsebool -P httpd_use_openstack on [root@dlp ~]# setsebool -P httpd_can_network_connect on [root@dlp ~]# setsebool -P httpd_can_network_connect_db on
[root@dlp ~]#
vi keystone-httpd.te # create new module keystone-httpd 1.0; require { type httpd_t; type keystone_var_lib_t; type keystone_log_t; class file { create getattr ioctl open read write }; class dir { add_name create write }; } #============= httpd_t ============== allow httpd_t keystone_var_lib_t:dir { add_name create write }; allow httpd_t keystone_var_lib_t:file { create open write getattr ioctl open read }; allow httpd_t keystone_log_t:dir { add_name write }; allow httpd_t keystone_log_t:file create; checkmodule -m -M -o keystone-httpd.mod keystone-httpd.te [root@dlp ~]# semodule_package --outfile keystone-httpd.pp --module keystone-httpd.mod [root@dlp ~]# semodule -i keystone-httpd.pp |
[5] | If Firewalld is running, allow ports for services. |
[root@dlp ~]# firewall-cmd --add-port=5000/tcp --permanent success [root@dlp ~]# firewall-cmd --reload success |
[6] | Enable settings for Keystone and start Apache httpd. |
[root@dlp ~]#
vi /etc/httpd/conf/httpd.conf # line 99 : add your server name ServerName dlp.srv.world:80
ln -s /usr/share/keystone/wsgi-keystone.conf /etc/httpd/conf.d/ [root@dlp ~]# systemctl enable --now httpd |
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