nvidia-container-toolkit/cmd/nvidia-container-runtime.experimental/config/composite.go

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/*
# Copyright (c) 2021, 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 config
import (
"fmt"
log "github.com/sirupsen/logrus"
)
// list represents a list of config updaters that are applied in order, with later
// configs having preference.
type list struct {
logger *log.Logger
configs []configUpdater
}
var _ configUpdater = (*list)(nil)
func newListWithLogger(logger *log.Logger, ci ...configUpdater) configUpdater {
c := list{
logger: logger,
configs: ci,
}
return &c
}
func (c list) Update(cfg *Config) error {
for i, u := range c.configs {
c.logger.Debugf("Applying config %v: %v", i, u)
err := u.Update(cfg)
if err != nil {
return fmt.Errorf("error applying config %v: %v", i, err)
}
}
return nil
}