feat: generate kaminario charm

[ahmad-can]

Related Charm https://review.opendev.org/c/openstack/sunbeam-charms/+/983854

[Copilot]

Pull request overview

Adds a new Kaminario storage backend implementation to Sunbeam’s storage backend framework and integrates it into the existing unit test suite to ensure consistent backend behavior and config validation.

Changes:

• Introduce KaminarioBackend and KaminarioConfig under sunbeam.storage.backends.kaminario.
• Add Kaminario-specific unit tests (backend identity + protocol validation).
• Update shared backend test fixtures and common backend assertions to include Kaminario.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
sunbeam-python/sunbeam/storage/backends/kaminario/backend.py	Implements the new Kaminario backend and its Pydantic config model.
sunbeam-python/sunbeam/storage/backends/kaminario/init.py	Adds the Kaminario backend package initializer.
sunbeam-python/tests/unit/sunbeam/storage/backends/test_kaminario.py	Adds unit tests for Kaminario backend identity and config validation.
sunbeam-python/tests/unit/sunbeam/storage/backends/test_common.py	Extends common backend uniqueness/expectation tests to include Kaminario.
sunbeam-python/tests/unit/sunbeam/storage/backends/conftest.py	Adds a kaminario_backend fixture and includes it in the parametrized backend fixture.

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