1 // Copyright 2024 Google LLC
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 15 //go:build windows
16 17 package metadata
18 19 import (
20 "strings"
21 22 "golang.org/x/sys/windows/registry"
23 )
24 25 // NOTE: systemInfoSuggestsGCE is assigned to a varible for test stubbing purposes.
26 var systemInfoSuggestsGCE = func() bool {
27 k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SYSTEM\HardwareConfig\Current`, registry.QUERY_VALUE)
28 if err != nil {
29 return false
30 }
31 defer k.Close()
32 33 s, _, err := k.GetStringValue("SystemProductName")
34 if err != nil {
35 return false
36 }
37 s = strings.TrimSpace(s)
38 return strings.HasPrefix(s, "Google")
39 }
40