oem-preloader: update partition UUID fecthing method

blkid gets fs UUID from image file, not partition UUID.

BUG=b/465210828

Change-Id: Iad764f22b32c0afb613b98e9c2a2fcd3423bbc6d
Reviewed-on: https://cos-review.googlesource.com/c/cos/tools/+/131621
Cloud-Build: GCB Service account <228075978874@cloudbuild.gserviceaccount.com>
Tested-by: He Gao <hegao@google.com>
Reviewed-by: Robert Kolchmeyer <rkolchmeyer@google.com>
3 files changed
tree: d9d96d4ce1c72830df3a94633efcc358b0a6f32c
  1. coverage/
  2. release/
  3. src/
  4. testing/
  5. .gitignore
  6. BUILD.bazel
  7. cloudbuild.yaml
  8. CONTRIBUTING.md
  9. deps.bzl
  10. go.mod
  11. go.sum
  12. LICENSE
  13. postsubmit-cloudbuild.yaml
  14. README.md
  15. run_builds.sh
  16. run_unit_tests.sh
  17. WORKSPACE
README.md

Tools for Container-Optimized OS

This is a repository of various tools developed for Container-Optimized OS. Examples include cos-gpu-installer, cos-toolbox, etc.

See CONTRIBUTING.md for how to contribute.