Specs M2 Assets Asset Dependency

AssetDependency

assets.models.dependency.AssetDependency

Dependency relationship between an essential asset and a support asset, the vector for inheriting the CIA security needs.

Represents the dependency link between an essential asset and a support asset. It is through this relationship that the CIA security needs are inherited by support assets.

Field	Type	Constraints	Description
id	UUID	PK, auto-generated	Unique identifier
essential_asset_id	relation	FK → EssentialAsset, required	Source essential asset
support_asset_id	relation	FK → SupportAsset, required	Target support asset
dependency_type	enum	required	runs_on, stored_in, transmitted_by, managed_by, hosted_at, protected_by, other
criticality	enum	required	low, medium, high, critical
description	text	optional	Description of the dependency relationship
is_single_point_of_failure	boolean	required, default false	Single point of failure
redundancy_level	enum	optional	none, partial, full
created_by	relation	FK → User	Creator
created_at	datetime	auto	Creation date
updated_at	datetime	auto	Last modification date

Uniqueness constraint: the pair (essential_asset_id, support_asset_id) must be unique.