COA Automation & Scripting 3

Question 1

In openstacksdk, which method is used to establish a connection to an OpenStack cloud using clouds.yaml?

Accepted Answer

openstack.connect()

Answer

openstack.connect() reads credentials from clouds.yaml or environment variables and returns a Connection object for interacting with OpenStack services.

Question 2

Which file format does the OpenStack CLI use by default to store cloud credentials for multiple environments?

Accepted Answer

clouds.yaml

Answer

clouds.yaml is the preferred multi-cloud configuration file that stores credentials and endpoints for multiple OpenStack environments.

Question 3

In a HOT template, how do you reference the ID of a resource named 'my_server' within the same template?

Accepted Answer

{get_resource: my_server}

Answer

The 'get_resource' intrinsic function returns the resource ID of another resource defined in the same HOT template.

Question 4

Which Ansible inventory plugin dynamically fetches OpenStack instances as inventory hosts?

Accepted Answer

openstack.cloud.inventory

Answer

The 'openstack.cloud.inventory' plugin queries Nova to build a dynamic inventory of running OpenStack instances.

Question 5

When scripting with the OpenStack CLI, which flag outputs results in a machine-parseable format best suited for shell scripting?

Accepted Answer

-f value

Answer

The '-f value' format outputs plain values without headers or borders, making it easiest to parse in shell scripts with standard tools like awk or cut.

(COA) Certified OpenStack Administrator Exam Practice Test

(COA) Certified OpenStack Administrator Exam Practice Test

COA Automation & Scripting 3