| /* |
| 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{} |
| |
| type OSValidator struct { |
| Reporter Reporter |
| } |
| |
| func (o *OSValidator) Name() string { |
| return "os" |
| } |
| |
| 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 |
| } |