mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-25 21:39:10 +00:00
131 lines
2.9 KiB
Go
131 lines
2.9 KiB
Go
/**
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# Copyright (c) NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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**/
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package spec
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import (
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"fmt"
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"github.com/container-orchestrated-devices/container-device-interface/pkg/cdi"
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"github.com/container-orchestrated-devices/container-device-interface/specs-go"
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)
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type builder struct {
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raw *specs.Spec
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version string
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vendor string
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class string
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deviceSpecs []specs.Device
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edits specs.ContainerEdits
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format string
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}
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// newBuilder creates a new spec builder with the supplied options
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func newBuilder(opts ...Option) *builder {
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s := &builder{}
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for _, opt := range opts {
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opt(s)
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}
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if s.version == "" {
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s.version = DetectMinimumVersion
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}
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if s.vendor == "" {
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s.vendor = "nvidia.com"
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}
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if s.class == "" {
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s.class = "gpu"
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}
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if s.format == "" {
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s.format = FormatYAML
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}
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return s
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}
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// Build builds a CDI spec form the spec builder.
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func (o *builder) Build() (*spec, error) {
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raw := o.raw
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if raw == nil {
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raw = &specs.Spec{
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Version: o.version,
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Kind: fmt.Sprintf("%s/%s", o.vendor, o.class),
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Devices: o.deviceSpecs,
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ContainerEdits: o.edits,
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}
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}
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if raw.Version == DetectMinimumVersion {
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minVersion, err := cdi.MinimumRequiredVersion(raw)
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if err != nil {
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return nil, fmt.Errorf("failed to get minumum required CDI spec version: %v", err)
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}
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raw.Version = minVersion
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}
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s := spec{
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Spec: raw,
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format: o.format,
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}
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return &s, nil
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}
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// Option defines a function that can be used to configure the spec builder.
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type Option func(*builder)
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// WithDeviceSpecs sets the device specs for the spec builder
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func WithDeviceSpecs(deviceSpecs []specs.Device) Option {
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return func(o *builder) {
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o.deviceSpecs = deviceSpecs
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}
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}
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// WithEdits sets the container edits for the spec builder
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func WithEdits(edits specs.ContainerEdits) Option {
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return func(o *builder) {
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o.edits = edits
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}
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}
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// WithVersion sets the version for the spec builder
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func WithVersion(version string) Option {
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return func(o *builder) {
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o.version = version
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}
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}
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// WithVendor sets the vendor for the spec builder
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func WithVendor(vendor string) Option {
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return func(o *builder) {
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o.vendor = vendor
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}
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}
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// WithClass sets the class for the spec builder
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func WithClass(class string) Option {
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return func(o *builder) {
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o.class = class
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}
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}
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// WithFormat sets the output file format
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func WithFormat(format string) Option {
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return func(o *builder) {
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o.format = format
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}
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}
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