agama-project / agama / 21438019078

74%

Build Type

push

github

Committed by web-flow

Commit Message

Add support for product modes (#3086)

[PED-14307](https://jira.suse.com/browse/PED-14307)

This PR introduces the concept of product modes.

## Use case

From now on, if you select SLES 16.1, you can choose between installing
the system following the traditional partitioning approach (with a
read/write root like 16.0) or using the transactional mode.

## Modes

Modes support is not limited to the described use case. Each mode can
redefine the software or the storage sections of the product. In the
previous case:

* It selects the `transactional_base` or `enhanced_base` depending on
the mode.
* Defines a different partitioning layout.

## Defining modes

The modes definition lives under the `modes` key. It includes:

* Some meta-data (`id`, `name`, and `description`).
* Optionally, a `software` key, which is merged with the base one.
* Optionally, a `storage` key which is merged with the base one.

```yaml
modes:
  - id: standard
    name: Standard
    description: Standard system

    software:
      mandatory_patterns:
        - enhanced_base

  - id: immutable
    name: Immutable
    description: Immutable system with atomic updates

    software:
      mandatory_patterns:
        - transactional_base
```

## Testing

- Added a new unit test
- Tested manually (in progress)

## Screenshots

<img width="1873" height="843" alt="First product selection"
src="https://github.com/user-attachments/assets/6473e533-e9db-47d4-9b8b-b652d48b0ada"
/>

<img width="1873" height="843" alt="Changing the selected product"
src="https://github.com/user-attachments/assets/fe2084cf-c77a-464e-989f-178b74aafbf9"
/>

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