{"required": ["type", "linux"], "type": "object", "properties": {"type": {"enum": ["linux"], "type": "string"}, "linux": {"required": ["name", "version", "distribution", "release"], "type": "object", "properties": {"name": {"type": "string"}, "version": {"type": "string"}, "pool-URL": {"type": "string", "format": "uri"}, "release": {"type": "string"}, "distribution": {"type": "string"}, "key-URL": {"type": "string", "format": "uri"}}}}}