{ "description": "DeviceClass is a vendor- or admin-provided resource that contains device configuration and selectors. It can be referenced in the device requests of a claim to apply these presets. Cluster scoped.\n\nThis is an alpha type and requires enabling the DynamicResourceAllocation feature gate.", "properties": { "apiVersion": { "description": "APIVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources", "type": [ "string", "null" ] }, "kind": { "description": "Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds", "type": [ "string", "null" ], "enum": [ "DeviceClass" ] }, "metadata": { "description": "ObjectMeta is metadata that all persisted resources must have, which includes all objects users must create.", "properties": { "annotations": { "additionalProperties": { "type": [ "string", "null" ] }, "description": "Annotations is an unstructured key value map stored with a resource that may be set by external tools to store and retrieve arbitrary metadata. They are not queryable and should be preserved when modifying objects. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/annotations", "type": [ "object", "null" ] }, "creationTimestamp": { "description": "Time is a wrapper around time.Time which supports correct marshaling to YAML and JSON. Wrappers are provided for many of the factory methods that the time package offers.", "format": "date-time", "type": [ "string", "null" ] }, "deletionGracePeriodSeconds": { "description": "Number of seconds allowed for this object to gracefully terminate before it will be removed from the system. Only set when deletionTimestamp is also set. May only be shortened. Read-only.", "format": "int64", "type": [ "integer", "null" ] }, "deletionTimestamp": { "description": "Time is a wrapper around time.Time which supports correct marshaling to YAML and JSON. Wrappers are provided for many of the factory methods that the time package offers.", "format": "date-time", "type": [ "string", "null" ] }, "finalizers": { "description": "Must be empty before the object is deleted from the registry. Each entry is an identifier for the responsible component that will remove the entry from the list. If the deletionTimestamp of the object is non-nil, entries in this list can only be removed. Finalizers may be processed and removed in any order. Order is NOT enforced because it introduces significant risk of stuck finalizers. finalizers is a shared field, any actor with permission can reorder it. If the finalizer list is processed in order, then this can lead to a situation in which the component responsible for the first finalizer in the list is waiting for a signal (field value, external system, or other) produced by a component responsible for a finalizer later in the list, resulting in a deadlock. Without enforced ordering finalizers are free to order amongst themselves and are not vulnerable to ordering changes in the list.", "items": { "type": [ "string", "null" ] }, "type": [ "array", "null" ], "x-kubernetes-list-type": "set", "x-kubernetes-patch-strategy": "merge" }, "generateName": { "description": "GenerateName is an optional prefix, used by the server, to generate a unique name ONLY IF the Name field has not been provided. If this field is used, the name returned to the client will be different than the name passed. This value will also be combined with a unique suffix. The provided value has the same validation rules as the Name field, and may be truncated by the length of the suffix required to make the value unique on the server.\n\nIf this field is specified and the generated name exists, the server will return a 409.\n\nApplied only if Name is not specified. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#idempotency", "type": [ "string", "null" ] }, "generation": { "description": "A sequence number representing a specific generation of the desired state. Populated by the system. Read-only.", "format": "int64", "type": [ "integer", "null" ] }, "labels": { "additionalProperties": { "type": [ "string", "null" ] }, "description": "Map of string keys and values that can be used to organize and categorize (scope and select) objects. May match selectors of replication controllers and services. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels", "type": [ "object", "null" ] }, "managedFields": { "description": "ManagedFields maps workflow-id and version to the set of fields that are managed by that workflow. This is mostly for internal housekeeping, and users typically shouldn't need to set or understand this field. A workflow can be the user's name, a controller's name, or the name of a specific apply path like \"ci-cd\". The set of fields is always in the version that the workflow used when modifying the object.", "items": { "description": "ManagedFieldsEntry is a workflow-id, a FieldSet and the group version of the resource that the fieldset applies to.", "properties": { "apiVersion": { "description": "APIVersion defines the version of this resource that this field set applies to. The format is \"group/version\" just like the top-level APIVersion field. It is necessary to track the version of a field set because it cannot be automatically converted.", "type": [ "string", "null" ] }, "fieldsType": { "description": "FieldsType is the discriminator for the different fields format and version. There is currently only one possible value: \"FieldsV1\"", "type": [ "string", "null" ] }, "fieldsV1": { "description": "FieldsV1 stores a set of fields in a data structure like a Trie, in JSON format.\n\nEach key is either a '.' representing the field itself, and will always map to an empty set, or a string representing a sub-field or item. The string will follow one of these four formats: 'f:', where is the name of a field in a struct, or key in a map 'v:', where is the exact json formatted value of a list item 'i:', where is position of a item in a list 'k:', where is a map of a list item's key fields to their unique values If a key maps to an empty Fields value, the field that key represents is part of the set.\n\nThe exact format is defined in sigs.k8s.io/structured-merge-diff", "type": [ "object", "null" ] }, "manager": { "description": "Manager is an identifier of the workflow managing these fields.", "type": [ "string", "null" ] }, "operation": { "description": "Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are 'Apply' and 'Update'.", "type": [ "string", "null" ] }, "subresource": { "description": "Subresource is the name of the subresource used to update that object, or empty string if the object was updated through the main resource. The value of this field is used to distinguish between managers, even if they share the same name. For example, a status update will be distinct from a regular update using the same manager name. Note that the APIVersion field is not related to the Subresource field and it always corresponds to the version of the main resource.", "type": [ "string", "null" ] }, "time": { "description": "Time is a wrapper around time.Time which supports correct marshaling to YAML and JSON. Wrappers are provided for many of the factory methods that the time package offers.", "format": "date-time", "type": [ "string", "null" ] } }, "type": [ "object", "null" ], "additionalProperties": false }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "name": { "description": "Name must be unique within a namespace. Is required when creating resources, although some resources may allow a client to request the generation of an appropriate name automatically. Name is primarily intended for creation idempotence and configuration definition. Cannot be updated. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#names", "type": [ "string", "null" ] }, "namespace": { "description": "Namespace defines the space within which each name must be unique. An empty namespace is equivalent to the \"default\" namespace, but \"default\" is the canonical representation. Not all objects are required to be scoped to a namespace - the value of this field for those objects will be empty.\n\nMust be a DNS_LABEL. Cannot be updated. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/namespaces", "type": [ "string", "null" ] }, "ownerReferences": { "description": "List of objects depended by this object. If ALL objects in the list have been deleted, this object will be garbage collected. If this object is managed by a controller, then an entry in this list will point to this controller, with the controller field set to true. There cannot be more than one managing controller.", "items": { "description": "OwnerReference contains enough information to let you identify an owning object. An owning object must be in the same namespace as the dependent, or be cluster-scoped, so there is no namespace field.", "properties": { "apiVersion": { "description": "API version of the referent.", "type": "string" }, "blockOwnerDeletion": { "description": "If true, AND if the owner has the \"foregroundDeletion\" finalizer, then the owner cannot be deleted from the key-value store until this reference is removed. See https://kubernetes.io/docs/concepts/architecture/garbage-collection/#foreground-deletion for how the garbage collector interacts with this field and enforces the foreground deletion. Defaults to false. To set this field, a user needs \"delete\" permission of the owner, otherwise 422 (Unprocessable Entity) will be returned.", "type": [ "boolean", "null" ] }, "controller": { "description": "If true, this reference points to the managing controller.", "type": [ "boolean", "null" ] }, "kind": { "description": "Kind of the referent. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds", "type": "string" }, "name": { "description": "Name of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#names", "type": "string" }, "uid": { "description": "UID of the referent. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#uids", "type": "string" } }, "required": [ "apiVersion", "kind", "name", "uid" ], "type": [ "object", "null" ], "x-kubernetes-map-type": "atomic", "additionalProperties": false }, "type": [ "array", "null" ], "x-kubernetes-list-map-keys": [ "uid" ], "x-kubernetes-list-type": "map", "x-kubernetes-patch-merge-key": "uid", "x-kubernetes-patch-strategy": "merge" }, "resourceVersion": { "description": "An opaque value that represents the internal version of this object that can be used by clients to determine when objects have changed. May be used for optimistic concurrency, change detection, and the watch operation on a resource or set of resources. Clients must treat these values as opaque and passed unmodified back to the server. They may only be valid for a particular resource or set of resources.\n\nPopulated by the system. Read-only. Value must be treated as opaque by clients and . More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#concurrency-control-and-consistency", "type": [ "string", "null" ] }, "selfLink": { "description": "Deprecated: selfLink is a legacy read-only field that is no longer populated by the system.", "type": [ "string", "null" ] }, "uid": { "description": "UID is the unique in time and space value for this object. It is typically generated by the server on successful creation of a resource and is not allowed to change on PUT operations.\n\nPopulated by the system. Read-only. More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names#uids", "type": [ "string", "null" ] } }, "type": [ "object", "null" ], "additionalProperties": false }, "spec": { "description": "DeviceClassSpec is used in a [DeviceClass] to define what can be allocated and how to configure it.", "properties": { "config": { "description": "Config defines configuration parameters that apply to each device that is claimed via this class. Some classses may potentially be satisfied by multiple drivers, so each instance of a vendor configuration applies to exactly one driver.\n\nThey are passed to the driver, but are not considered while allocating the claim.", "items": { "description": "DeviceClassConfiguration is used in DeviceClass.", "properties": { "opaque": { "description": "OpaqueDeviceConfiguration contains configuration parameters for a driver in a format defined by the driver vendor.", "properties": { "driver": { "description": "Driver is used to determine which kubelet plugin needs to be passed these configuration parameters.\n\nAn admission policy provided by the driver developer could use this to decide whether it needs to validate them.\n\nMust be a DNS subdomain and should end with a DNS domain owned by the vendor of the driver. It should use only lower case characters.", "type": "string" }, "parameters": { "description": "RawExtension is used to hold extensions in external versions.\n\nTo use this, make a field which has RawExtension as its type in your external, versioned struct, and Object in your internal struct. You also need to register your various plugin types.\n\n// Internal package:\n\n\ttype MyAPIObject struct {\n\t\truntime.TypeMeta `json:\",inline\"`\n\t\tMyPlugin runtime.Object `json:\"myPlugin\"`\n\t}\n\n\ttype PluginA struct {\n\t\tAOption string `json:\"aOption\"`\n\t}\n\n// External package:\n\n\ttype MyAPIObject struct {\n\t\truntime.TypeMeta `json:\",inline\"`\n\t\tMyPlugin runtime.RawExtension `json:\"myPlugin\"`\n\t}\n\n\ttype PluginA struct {\n\t\tAOption string `json:\"aOption\"`\n\t}\n\n// On the wire, the JSON will look something like this:\n\n\t{\n\t\t\"kind\":\"MyAPIObject\",\n\t\t\"apiVersion\":\"v1\",\n\t\t\"myPlugin\": {\n\t\t\t\"kind\":\"PluginA\",\n\t\t\t\"aOption\":\"foo\",\n\t\t},\n\t}\n\nSo what happens? Decode first uses json or yaml to unmarshal the serialized data into your external MyAPIObject. That causes the raw JSON to be stored, but not unpacked. The next step is to copy (using pkg/conversion) into the internal struct. The runtime package's DefaultScheme has conversion functions installed which will unpack the JSON stored in RawExtension, turning it into the correct object type, and storing it in the Object. (TODO: In the case where the object is of an unknown type, a runtime.Unknown object will be created and stored.)", "type": "object" } }, "required": [ "driver", "parameters" ], "type": [ "object", "null" ], "additionalProperties": false } }, "type": [ "object", "null" ], "additionalProperties": false }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" }, "extendedResourceName": { "description": "ExtendedResourceName is the extended resource name for the devices of this class. The devices of this class can be used to satisfy a pod's extended resource requests. It has the same format as the name of a pod's extended resource. It should be unique among all the device classes in a cluster. If two device classes have the same name, then the class created later is picked to satisfy a pod's extended resource requests. If two classes are created at the same time, then the name of the class lexicographically sorted first is picked.\n\nThis is an alpha field.", "type": [ "string", "null" ] }, "selectors": { "description": "Each selector must be satisfied by a device which is claimed via this class.", "items": { "description": "DeviceSelector must have exactly one field set.", "properties": { "cel": { "description": "CELDeviceSelector contains a CEL expression for selecting a device.", "properties": { "expression": { "description": "Expression is a CEL expression which evaluates a single device. It must evaluate to true when the device under consideration satisfies the desired criteria, and false when it does not. Any other result is an error and causes allocation of devices to abort.\n\nThe expression's input is an object named \"device\", which carries the following properties:\n - driver (string): the name of the driver which defines this device.\n - attributes (map[string]object): the device's attributes, grouped by prefix\n (e.g. device.attributes[\"dra.example.com\"] evaluates to an object with all\n of the attributes which were prefixed by \"dra.example.com\".\n - capacity (map[string]object): the device's capacities, grouped by prefix.\n - allowMultipleAllocations (bool): the allowMultipleAllocations property of the device\n (v1.34+ with the DRAConsumableCapacity feature enabled).\n\nExample: Consider a device with driver=\"dra.example.com\", which exposes two attributes named \"model\" and \"ext.example.com/family\" and which exposes one capacity named \"modules\". This input to this expression would have the following fields:\n\n device.driver\n device.attributes[\"dra.example.com\"].model\n device.attributes[\"ext.example.com\"].family\n device.capacity[\"dra.example.com\"].modules\n\nThe device.driver field can be used to check for a specific driver, either as a high-level precondition (i.e. you only want to consider devices from this driver) or as part of a multi-clause expression that is meant to consider devices from different drivers.\n\nThe value type of each attribute is defined by the device definition, and users who write these expressions must consult the documentation for their specific drivers. The value type of each capacity is Quantity.\n\nIf an unknown prefix is used as a lookup in either device.attributes or device.capacity, an empty map will be returned. Any reference to an unknown field will cause an evaluation error and allocation to abort.\n\nA robust expression should check for the existence of attributes before referencing them.\n\nFor ease of use, the cel.bind() function is enabled, and can be used to simplify expressions that access multiple attributes with the same domain. For example:\n\n cel.bind(dra, device.attributes[\"dra.example.com\"], dra.someBool && dra.anotherBool)\n\nThe length of the expression must be smaller or equal to 10 Ki. The cost of evaluating it is also limited based on the estimated number of logical steps.", "type": "string" } }, "required": [ "expression" ], "type": [ "object", "null" ], "additionalProperties": false } }, "type": [ "object", "null" ], "additionalProperties": false }, "type": [ "array", "null" ], "x-kubernetes-list-type": "atomic" } }, "type": [ "object", "null" ], "additionalProperties": false } }, "required": [ "spec" ], "type": "object", "x-kubernetes-group-version-kind": [ { "group": "resource.k8s.io", "kind": "DeviceClass", "version": "v1beta2" } ], "additionalProperties": false, "$schema": "http://json-schema.org/schema#" }