nvidia-container-toolkit/pkg/config/toml/source.go
Tariq Ibrahim 0f7aba9c3c
[TOML ConfigSource] add support for executing fallback CLI commands
Signed-off-by: Tariq Ibrahim <tibrahim@nvidia.com>
Co-authored-by: Evan Lezar <elezar@nvidia.com>
2024-10-23 14:26:17 -07:00

48 lines
1.2 KiB
Go

/**
# Copyright 2024 NVIDIA CORPORATION
#
# 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 toml
const (
Empty = empty("")
)
// Loader represents a source for a toml config.
type Loader interface {
Load() (*Tree, error)
}
// FromFile creates a TOML source from the specified file.
// If an empty string is passed an empty toml config is used.
func FromFile(path string) Loader {
if path == "" {
return Empty
}
return tomlFile(path)
}
// FromCommandLine creates a TOML source from the output of a shell command and its corresponding args.
// If the command is empty, an empty config is returned.
func FromCommandLine(cmds ...string) Loader {
if len(cmds) == 0 {
return Empty
}
return &tomlCliSource{
command: cmds[0],
args: cmds[1:],
}
}