Struct DeviceSubRequest

pub struct DeviceSubRequest {
    pub allocation_mode: Option<String>,
    pub count: Option<i64>,
    pub device_class_name: String,
    pub name: String,
    pub selectors: Option<Vec<DeviceSelector>>,
    pub tolerations: Option<Vec<DeviceToleration>>,
}

DeviceSubRequest describes a request for device provided in the claim.spec.devices.requests[].firstAvailable array. Each is typically a request for a single resource like a device, but can also ask for several identical devices.

DeviceSubRequest is similar to ExactDeviceRequest, but doesn’t expose the AdminAccess field as that one is only supported when requesting a specific device.

Fields

allocation_mode: Option<String>

AllocationMode and its related fields define how devices are allocated to satisfy this subrequest. Supported values are:

• ExactCount: This request is for a specific number of devices. This is the default. The exact number is provided in the count field.

• All: This subrequest is for all of the matching devices in a pool. Allocation will fail if some devices are already allocated, unless adminAccess is requested.

If AllocationMode is not specified, the default mode is ExactCount. If the mode is ExactCount and count is not specified, the default count is one. Any other subrequests must specify this field.

More modes may get added in the future. Clients must refuse to handle requests with unknown modes.

count: Option<i64>

Count is used only when the count mode is “ExactCount”. Must be greater than zero. If AllocationMode is ExactCount and this field is not specified, the default is one.

device_class_name: String

DeviceClassName references a specific DeviceClass, which can define additional configuration and selectors to be inherited by this subrequest.

A class is required. Which classes are available depends on the cluster.

Administrators may use this to restrict which devices may get requested by only installing classes with selectors for permitted devices. If users are free to request anything without restrictions, then administrators can create an empty DeviceClass for users to reference.

name: String

Name can be used to reference this subrequest in the list of constraints or the list of configurations for the claim. References must use the format <main request>/<subrequest>.

Must be a DNS label.

selectors: Option<Vec<DeviceSelector>>

Selectors define criteria which must be satisfied by a specific device in order for that device to be considered for this subrequest. All selectors must be satisfied for a device to be considered.

tolerations: Option<Vec<DeviceToleration>>

If specified, the request’s tolerations.

Tolerations for NoSchedule are required to allocate a device which has a taint with that effect. The same applies to NoExecute.

In addition, should any of the allocated devices get tainted with NoExecute after allocation and that effect is not tolerated, then all pods consuming the ResourceClaim get deleted to evict them. The scheduler will not let new pods reserve the claim while it has these tainted devices. Once all pods are evicted, the claim will get deallocated.

The maximum number of tolerations is 16.

This is an alpha field and requires enabling the DRADeviceTaints feature gate.

Trait Implementations

impl Clone for DeviceSubRequest

fn clone(&self) -> DeviceSubRequest

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DeviceSubRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl DeepMerge for DeviceSubRequest

fn merge_from(&mut self, other: Self)

Merge other into self.

impl Default for DeviceSubRequest

fn default() -> DeviceSubRequest

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DeviceSubRequest

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>

where D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for DeviceSubRequest

fn eq(&self, other: &DeviceSubRequest) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for DeviceSubRequest

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>

where S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for DeviceSubRequest