mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-30 00:11:59 +00:00
66 lines
2.2 KiB
Go
66 lines
2.2 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 cdi
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import (
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"errors"
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"fmt"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/logger"
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"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
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"github.com/opencontainers/runtime-spec/specs-go"
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"tags.cncf.io/container-device-interface/pkg/cdi"
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)
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// fromRegistry represents the modifications performed using a CDI registry.
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type fromRegistry struct {
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logger logger.Interface
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registry *cdi.Cache
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devices []string
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}
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var _ oci.SpecModifier = (*fromRegistry)(nil)
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// Modify applies the modifications defined by the CDI registry to the incoming OCI spec.
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func (m fromRegistry) Modify(spec *specs.Spec) error {
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if err := m.registry.Refresh(); err != nil {
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m.logger.Debugf("The following error was triggered when refreshing the CDI registry: %v", err)
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}
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m.logger.Debugf("Injecting devices using CDI: %v", m.devices)
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unresolvedDevices, err := m.registry.InjectDevices(spec, m.devices...)
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if unresolvedDevices != nil {
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m.logger.Warningf("could not resolve CDI devices: %v", unresolvedDevices)
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}
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if err != nil {
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var refreshErrors []error
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for _, rerrs := range m.registry.GetErrors() {
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refreshErrors = append(refreshErrors, rerrs...)
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}
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if rerr := errors.Join(refreshErrors...); rerr != nil {
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// We log the errors that may have been generated while refreshing the CDI registry.
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// These may be due to malformed specifications or device name conflicts that could be
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// the cause of an injection failure.
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m.logger.Warningf("Refreshing the CDI registry generated errors: %v", rerr)
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}
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return fmt.Errorf("failed to inject CDI devices: %v", err)
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}
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return nil
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}
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