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- /*
- Copyright 2016 The Kubernetes Authors.
- 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 system
- import (
- "os/exec"
- "strings"
- "github.com/pkg/errors"
- )
- var _ Validator = &OSValidator{}
- // OSValidator validates OS.
- type OSValidator struct {
- Reporter Reporter
- }
- // Name is part of the system.Validator interface.
- func (o *OSValidator) Name() string {
- return "os"
- }
- // Validate is part of the system.Validator interface.
- func (o *OSValidator) Validate(spec SysSpec) (error, error) {
- os, err := exec.Command("uname").CombinedOutput()
- if err != nil {
- return nil, errors.Wrap(err, "failed to get os name")
- }
- return nil, o.validateOS(strings.TrimSpace(string(os)), spec.OS)
- }
- func (o *OSValidator) validateOS(os, specOS string) error {
- if os != specOS {
- o.Reporter.Report("OS", os, bad)
- return errors.Errorf("unsupported operating system: %s", os)
- }
- o.Reporter.Report("OS", os, good)
- return nil
- }
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