How to install OpenStack

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Published Date

12th October, 2020




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OpenStack Installation

This section describes how to install and configure the OpenStack Identity service on the controller node.


Before you configure the OpenStack Identity service, you must create a database and an administration token. -To create the database, complete the following actions: Use the database access client to connect to the database server as the root user:

$ mysql -u root -p

Create the keystone database:


Grant proper access to the keystone database:

GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' 
GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' 
IDENTIFIED BY 'KEYSTONE_DBPASS'; Replace KEYSTONE_DBPASS with a suitable password.Exit the database access client.

Generate a random value to use as the administration token during initial configuration:

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OpenStack Training to become a pro in OpenStack.

# openssl rand -hex 10

To install and configure the components Run the following command to install the packages:

# apt-get install keystone python-keystoneclient

Edit the /etc/keystone/keystone.conf file and complete the following actions:

-In the [DEFAULT] section, define the value of the initial administration token:

admin_token = ADMIN_TOKEN

Replace ADMIN_TOKEN with the random value that you generated in a previous step.

-In the [database] section, configure database access:

connection = mysql://keystone:KEYSTONE_DBPASS@controller/keystone
 Replace KEYSTONE_DBPASS with the password, you chose for the database.
-In the [token] section, configure the UUID token provider and SQL driver:
provider = keystone.token.providers.uuid.Provider
driver = keystone.token.persistence.backends.sql.Token
-In the [revoke] section, configure the SQL revocation driver:
driver = keystone.contrib.revoke.backends.sql.Revoke
(Optional) To assist with troubleshooting, enable verbose logging in the [DEFAULT] section:
verbose = True
Populate the Identity service database:
# su -s /bin/sh -c "keystone-manage db_sync" keystone

Learn more about OpenStack Interview Questions in this blog post.
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