| // Copyright 2022 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package cros |
| |
| import ( |
| "context" |
| "strings" |
| "time" |
| |
| "go.chromium.org/luci/common/errors" |
| |
| "go.chromium.org/infra/cros/recovery/internal/components" |
| ) |
| |
| // IsRootFSVerityEnabled checks if rootfs is setup using fs-verity |
| func IsRootFSVerityEnabled(ctx context.Context, r components.Runner) (bool, error) { |
| // Check if rootdev outputs /dev/dm |
| output, err := r(ctx, time.Minute, "rootdev") |
| if err != nil { |
| return false, errors.Annotate(err, "failed to run rootdev") |
| } |
| if strings.HasPrefix(output, "/dev/dm") { |
| return true, nil |
| } |
| return false, nil |
| } |
