Booting an instance into an Availability Zone

Instances can be created into a given AZ by passing the --availability-zone parameter as part of the creation process. Additionally, AZ can be selected in OpenStack Horizon as part of the instance creation wizard.

Getting ready

The following information is required to boot an instance into an AZ:

• The openstack command-line client

• The openrc file containing appropriate credentials

• The name or ID of the AZ

• Additional information required to start an instance

  Note

  Creating instances is covered in detail in the Booting an instance recipe. As such, this example skips some of the detail, instead it focuses on how to create an instance in a specific AZ.

How to do it…

To boot an instance into a specific AZ, the --availability-zone parameter is specified when running the openstack server create command:

openstack server create --flavor openstack.cookbook
   --image 08b822ba-be44-4639-b577-45e8dd37c06d
   --nic net-id=6cb5a4ce-1ea5-4817-9c34-a2212a66f394
   --security...