mirror of
https://github.com/NVIDIA/nvidia-container-toolkit
synced 2024-11-23 00:38:26 +00:00
55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
/**
|
|
# Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
**/
|
|
|
|
package modifier
|
|
|
|
import (
|
|
"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
|
|
"github.com/opencontainers/runtime-spec/specs-go"
|
|
)
|
|
|
|
type list struct {
|
|
modifiers []oci.SpecModifier
|
|
}
|
|
|
|
// Merge merges a set of OCI specification modifiers as a list.
|
|
// This can be used to compose modifiers.
|
|
func Merge(modifiers ...oci.SpecModifier) oci.SpecModifier {
|
|
var filteredModifiers []oci.SpecModifier
|
|
for _, m := range modifiers {
|
|
if m == nil {
|
|
continue
|
|
}
|
|
filteredModifiers = append(filteredModifiers, m)
|
|
}
|
|
|
|
return list{
|
|
modifiers: filteredModifiers,
|
|
}
|
|
}
|
|
|
|
// Modify applies a list of modifiers in sequence and returns on any errors encountered.
|
|
func (m list) Modify(spec *specs.Spec) error {
|
|
for _, mm := range m.modifiers {
|
|
err := mm.Modify(spec)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|