OpenStack Icehouse : Pre-requirements2014/06/23

	This is the exmaple of Cloud Computiong by OpenStack. On this example, Install and configure Keystone, Glance, Nova, Horizon on a server as All-in-One. For other componets, refer to the precondition of the section. Install some services which some components of OpenStack needs forst on here.
[1]	Install NTP Server like here and adjusts the date and time.
[2]	Install KVM HyperVisor like here. It's unnecessarry to set Bridge networking manually, though. ( OpenStack system sets Bridge networking )
[3]	Add the repository of Openstack Icehouse and Update the system.

[root@dlp ~]#

yum -y install http://repos.fedorapeople.org/repos/openstack/openstack-icehouse/rdo-release-icehouse.rpm

[root@dlp ~]#

yum -y update

[root@dlp ~]#

sed -i -e "s/enabled=1/enabled=0/g" /etc/yum.repos.d/rdo-release.repo

[4]	Install MariaDB Server for backend database.

# install from RDO which is added in section [3]

[root@dlp ~]#

yum --enablerepo=openstack-icehouse -y install mariadb-galera-server

[root@dlp ~]#

/etc/rc.d/init.d/mysqld start

[root@dlp ~]#

chkconfig mysqld on

[root@dlp ~]#

mysql -u root

# connect to MariaDB

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.5.36-MariaDB-wsrep MariaDB Server, wsrep_25.9.r3961

Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

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

# show user info

mysql>

select user,host,password from mysql.user;

+------+------------------+----------+
| user | host             | password |
+------+------------------+----------+
| root | localhost        |          |
| root | dlp.srv.world |          |
| root | 127.0.0.1        |          |
| root | ::1              |          |
|      | localhost        |          |
|      | dlp.srv.world |          |
+------+------------------+----------+
6 rows in set (0.00 sec)

# set root password

mysql>

set password for root@localhost=password('password');

Query OK, 0 rows affected (0.00 sec)

# set root password

mysql>

set password for root@'127.0.0.1'=password('password');

Query OK, 0 rows affected (0.00 sec)

# set root password

mysql>

set password for root@'dlp.srv.world'=password('password');

Query OK, 0 rows affected (0.00 sec)

# delete anonymous user

mysql>

delete from mysql.user where user='';

Query OK, 2 rows affected (0.00 sec)

# delete IPV6 user if not need

mysql>

delete from mysql.user where user='root' and host='::1';

Query OK, 2 rows affected (0.00 sec)

mysql>

select user,host,password from mysql.user;

+------+------------------+-------------------------------------------+
| user | host             | password                                  |
+------+------------------+-------------------------------------------+
| root | localhost        | *2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19 |
| root | dlp.srv.world | *2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19 |
| root | 127.0.0.1        | *2470C0C06DEE42FD1618BB99005ADCA2EC9D1E19 |
+------+------------------+-------------------------------------------+
3 rows in set (0.00 sec)

mysql>

exit

Bye

[5]	Install RabbitMQ, Memcached, Avahi.

# install from EPEL

[root@dlp ~]#

yum --enablerepo=epel -y install rabbitmq-server memcached avahi

[root@dlp ~]#

/etc/rc.d/init.d/rabbitmq-server start

Starting rabbitmq-server: SUCCESS
rabbitmq-server.
[root@dlp ~]#

chkconfig rabbitmq-server on

# change guest's password

[root@dlp ~]#

rabbitmqctl change_password guest password

Changing password for user "guest" ...
...done.

[root@dlp ~]#

for service in memcached avahi-daemon; do
/etc/rc.d/init.d/$service start
chkconfig $service on
done

Starting memcached:                   [  OK  ]
Starting Avahi daemon...              [  OK  ]

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