Booting an instance

The most fundamental tasks that can be performed with instances are life cycle tasks. In this recipe, we will show you how to start or boot an instance.

Getting ready

To start an instance, you will need the following:

• The openstack command-line client

• The openrc file containing appropriate credentials

• The name of the instance

• The image to use for the instance

• The name of the flavor to create the instance with

• The name of the network or networks to attach the instance to

• The keypair name to allow access to an instance

• The name of any security groups to associate with the instance

How to do it…

The instance we will boot will have the following attributes:

• Instance name: cookbook.test

• Flavor type: openstack.cookbook

• Image name: Ubuntu 16.04 amd64 (UUID)

• Network: public (UUID)

• Keypair name: cookbook_key

• Security groups: ssh

To start an instance, use the following steps:

1. To list the instances that are currently running, we issue the following command:

   openstack server list
   

   Note

   This command...