OpenStack Stein : Pre-Requirements2019/05/16 |
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This is the example of Cloud Computiong by OpenStack Stein.
Install some services that some components of OpenStack needs for system requirements on here.
This example is based on the emvironment like follows.
eth0|10.0.0.30
+-----------+-----------+
| [ Control Node ] |
| |
| MariaDB RabbitMQ |
| Memcached |
+-----------------------+
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| [1] | |
| [2] | Add the repository of Openstack Stein. |
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[root@dlp ~]# yum -y install centos-release-openstack-stein [root@dlp ~]# sed -i -e "s/enabled=1/enabled=0/g" /etc/yum.repos.d/CentOS-OpenStack-stein.repo |
| [3] | Install MariaDB server. On this example, Install MariaDB 10.3 provided from CentOS Release Openstack above. After installation, Configure basic settings with [mysql_secure_installation], refer to here. |
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# Install from Openstack Stein [root@dlp ~]# yum --enablerepo=centos-openstack-stein -y install mariadb-server
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| [4] | Install RabbitMQ, Memcached. |
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# Install from Openstack Stein [root@dlp ~]# yum --enablerepo=centos-openstack-stein -y install rabbitmq-server memcached
[root@dlp ~]#
vi /etc/my.cnf.d/mariadb-server.cnf # add into [mysqld] section
[mysqld]
.....
.....
character-set-server=utf8
# default value 151 is not enough on Openstack Env
max_connections=500
[root@dlp ~]#
vi /etc/sysconfig/memcached # line 5: change (listen all) OPTIONS="-l 0.0.0.0,:: "
[root@dlp ~]#
systemctl restart mariadb rabbitmq-server memcached [root@dlp ~]# systemctl enable mariadb rabbitmq-server memcached # add openstack user (set any password you like for "password") [root@dlp ~]# rabbitmqctl add_user openstack password Creating user "openstack" [root@dlp ~]# rabbitmqctl set_permissions openstack ".*" ".*" ".*" Setting permissions for user "openstack" in vhost "/" |
| [5] | If Firewalld is running, allow ports for services. |
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[root@dlp ~]# firewall-cmd --add-service=mysql --permanent success [root@dlp ~]# firewall-cmd --add-port={11211/tcp,5672/tcp} --permanent success [root@dlp ~]# firewall-cmd --reload success |
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