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49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
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/*
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Copyright 2023 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 knftables
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import (
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"os/exec"
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)
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// execer is a mockable wrapper around os/exec.
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type execer interface {
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// LookPath wraps exec.LookPath
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LookPath(file string) (string, error)
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// Run runs cmd as with cmd.Output(). If an error occurs, and the process outputs
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// stderr, then that output will be returned in the error.
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Run(cmd *exec.Cmd) (string, error)
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}
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// realExec implements execer by actually using os/exec
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type realExec struct{}
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// LookPath is part of execer
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func (realExec) LookPath(file string) (string, error) {
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return exec.LookPath(file)
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}
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// Run is part of execer
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func (realExec) Run(cmd *exec.Cmd) (string, error) {
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out, err := cmd.Output()
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if err != nil {
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err = wrapError(err)
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}
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return string(out), err
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}
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