mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-12-01 16:52:54 +00:00
103 lines
2.5 KiB
Go
103 lines
2.5 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 image
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import (
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"fmt"
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"strings"
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"github.com/opencontainers/runtime-spec/specs-go"
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)
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type builder struct {
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env map[string]string
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mounts []specs.Mount
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disableRequire bool
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}
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// New creates a new CUDA image from the input options.
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func New(opt ...Option) (CUDA, error) {
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b := &builder{}
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for _, o := range opt {
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if err := o(b); err != nil {
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return CUDA{}, err
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}
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}
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if b.env == nil {
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b.env = make(map[string]string)
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}
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return b.build()
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}
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// build creates a CUDA image from the builder.
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func (b builder) build() (CUDA, error) {
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if b.disableRequire {
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b.env[EnvVarNvidiaDisableRequire] = "true"
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}
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c := CUDA{
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env: b.env,
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mounts: b.mounts,
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}
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return c, nil
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}
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// Option is a functional option for creating a CUDA image.
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type Option func(*builder) error
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// WithDisableRequire sets the disable require option.
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func WithDisableRequire(disableRequire bool) Option {
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return func(b *builder) error {
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b.disableRequire = disableRequire
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return nil
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}
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}
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// WithEnv sets the environment variables to use when creating the CUDA image.
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// Note that this also overwrites the values set with WithEnvMap.
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func WithEnv(env []string) Option {
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return func(b *builder) error {
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envmap := make(map[string]string)
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for _, e := range env {
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parts := strings.SplitN(e, "=", 2)
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if len(parts) != 2 {
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return fmt.Errorf("invalid environment variable: %v", e)
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}
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envmap[parts[0]] = parts[1]
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}
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return WithEnvMap(envmap)(b)
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}
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}
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// WithEnvMap sets the environment variable map to use when creating the CUDA image.
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// Note that this also overwrites the values set with WithEnv.
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func WithEnvMap(env map[string]string) Option {
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return func(b *builder) error {
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b.env = env
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return nil
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}
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}
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// WithMounts sets the mounts associated with the CUDA image.
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func WithMounts(mounts []specs.Mount) Option {
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return func(b *builder) error {
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b.mounts = mounts
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return nil
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}
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}
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