nvidia-container-toolkit/internal/modifier/discover.go
Evan Lezar 55ac8628c8 Add lists of modifiers to allow for modifier compositioning
Signed-off-by: Evan Lezar <elezar@nvidia.com>
2022-07-01 14:25:18 +02:00

54 lines
1.7 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 (
"fmt"
"github.com/NVIDIA/nvidia-container-toolkit/internal/discover"
"github.com/NVIDIA/nvidia-container-toolkit/internal/edits"
"github.com/NVIDIA/nvidia-container-toolkit/internal/oci"
"github.com/opencontainers/runtime-spec/specs-go"
"github.com/sirupsen/logrus"
)
type discoverModifier struct {
logger *logrus.Logger
discoverer discover.Discover
}
// NewModifierFromDiscoverer creates a modifier that applies the discovered
// modifications to an OCI spec if required by the runtime wrapper.
func NewModifierFromDiscoverer(logger *logrus.Logger, d discover.Discover) (oci.SpecModifier, error) {
m := discoverModifier{
logger: logger,
discoverer: d,
}
return &m, nil
}
// Modify applies the modifications required by discoverer to the incomming OCI spec.
// These modifications are applied in-place.
func (m discoverModifier) Modify(spec *specs.Spec) error {
specEdits, err := edits.NewSpecEdits(m.logger, m.discoverer)
if err != nil {
return fmt.Errorf("failed to get required container edits: %v", err)
}
return specEdits.Modify(spec)
}