Ansible Interview Questions

Ansible Interview Questions

Ansible Interview Questions

Describe each of the following components in Ansible, including the relationship between them:

Task
Module
Play
Playbook
Role
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How Ansible is different from other Automation tools?
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What kind of automation you wouldn’t do with Ansible and why?
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What is an inventory file and how do you define one?
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What is a dynamic inventory file? When you would use one?
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How do you list all modules and how can you see details on a specific module?
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Write a task to create the directory ‘/tmp/new_directory’
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You want to run Ansible playbook only on a specific minor version of your OS, how would you achieve that?
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What the “become” directive used for in Ansible?
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What are facts? How to see all the facts of a certain host?
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What would be the result of the following play?
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What would be the result of running the following task? How to fix it?

– hosts: localhost
tasks:
– name: Install zlib
package:
name: zlib
state: present
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Which Ansible best practices are you familiar with?. Name at least three
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Explain the directory layout of an Ansible role
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What ‘blocks’ are used for in Ansible?
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How do you handle errors in Ansible?
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You would like to run a certain command if a task fails. How would you achieve that?
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Write a playbook to install ‘zlib’ and ‘vim’ on all hosts if the file ‘/tmp/mario’ exists on the system.
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Write a single task that verifies all the files in files_list variable exist on the host
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Write a playbook to deploy the file ‘/tmp/system_info’ on all hosts except for controllers group, with the following content

The variable ‘whoami’ defined in the following places:

role defaults -> whoami: mario
extra vars (variables you pass to Ansible CLI with -e) -> whoami: toad
host facts -> whoami: luigi
inventory variables (doesn’t matter which type) -> whoami: browser

According to variable precedence, which one will be used?

For each of the following statements determine if it’s true or false:

A module is a collection of tasks
It’s better to use shell or command instead of a specific module
Host facts override play variables
A role might include the following: vars, meta, and handlers
Dynamic inventory is generated by extracting information from external sources
It’s a best practice to use indention of 2 spaces instead of 4
‘notify’ used to trigger handlers
This “hosts: all:!controllers” means ‘run only on controllers group hosts

Explain the Diffrence between Forks and Serial & Throttle.
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What is ansible-pull? How is it different from how ansible-playbook works?
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What is Ansible Vault?
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Demonstrate each of the following with Ansible:

Conditionals
Loops
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What are filters? Do you have experience with writing filters?
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Write a filter to capitalize a string
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You would like to run a task only if previous task changed anything. How would you achieve that?
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What are callback plugins? What can you achieve by using callback plugins?
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What is Ansible Collections?
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File ‘/tmp/exercise’ includes the following content

Goku = 9001
Vegeta = 5200
Trunks = 6000
Gotenks = 32

With one task, switch the content to:

Goku = 9001
Vegeta = 250
Trunks = 40
Gotenks = 32

How do you test your Ansible based projects?
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What is Molecule? How does it works?
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You run Ansibe tests and you get “idempotence test failed”. What does it mean? Why idempotence is important?
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