OpenStack for Architects - Second Edition

Assigning the first role to a system

To pull it all together, we'll start with a unconfigured system, install and configure the Puppet agent, and have it pull down the configuration that we've defined. Let's start by assigning the role to the system on the Puppet master.

As the root user on the CI server, create a site.pp file in /etc/puppet/manifests, which maps the unconfigured host to the role. For example, if my database host is named db.example.com, the following stanza will work:

node "db.example.com" 
  include role::database 
} 

On the host itself, install the RDO repository and the Puppet agent with the following commands:

# yum install -y https://rdoproject.org/repos/rdo-release.rpm 
# yum install -y puppet 

Configure the system to use ...