| /* |
| * |
| * Copyright 2022 gRPC 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 googlecloud |
| |
| import ( |
| "errors" |
| "os/exec" |
| "regexp" |
| "strings" |
| ) |
| |
| const ( |
| windowsCheckCommand = "powershell.exe" |
| windowsCheckCommandArgs = "Get-WmiObject -Class Win32_BIOS" |
| powershellOutputFilter = "Manufacturer" |
| windowsManufacturerRegex = ":(.*)" |
| ) |
| |
| func manufacturer() ([]byte, error) { |
| cmd := exec.Command(windowsCheckCommand, windowsCheckCommandArgs) |
| out, err := cmd.Output() |
| if err != nil { |
| return nil, err |
| } |
| for _, line := range strings.Split(strings.TrimSuffix(string(out), "\n"), "\n") { |
| if strings.HasPrefix(line, powershellOutputFilter) { |
| re := regexp.MustCompile(windowsManufacturerRegex) |
| name := re.FindString(line) |
| name = strings.TrimLeft(name, ":") |
| return []byte(name), nil |
| } |
| } |
| return nil, errors.New("cannot determine the machine's manufacturer") |
| } |