Apparmor check_paas

[alexarefev]

Description

• Apparmor validations and checks are necessary

Resolves #34

Solution

• Implement new tasks to check_paas for Apparmor status and configuration
• Implement TODO part in system module
• Fix is_state_valid and parse_status methods

How to apply

Not applicable

Test Cases

TestCase 1
Check if the check_paas tasks work

Test Configuration:

• Hardware: 4CPU/4GB
• OS: Ubuntu 20.04
• Inventory: Allinone

Steps:

1. Install Kubernetes cluster with Apparmor is enabled.
2. Run check_paas with tasks services.security.apparmor
3. Change Apparmor configuration on host.
4. Run check_paas with tasks services.security.apparmor
5. Disable Apparmor on host.
6. Run check_paas with tasks services.security.apparmor

Results:

Before	After
Not available	Apparmor is enabled, configuration is valid
Not available	Apparmor is enabled, configuration is invalid
Not available	Apparmor is disabled, configuration is invalid

TestCase 2
Check if the validation works

Test Configuration:

• Hardware: 4CPU/4GB
• OS: Ubuntu 20.04
• Inventory: Allinone

Steps:

1. Run installation Kubernetes cluster with Apparmor enabled.

Results:

Before	After
Not available	Success

Checklist

• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• Integration CI passed
• Unit tests. If Yes list of new/changed tests with brief description
• There is no merge conflicts