docker-coreos-iso-builder

Docker container to help MediaDepot build a custom CoreOS kernel with additional kernel options enabled (HW decoding, fs changes, etc)

Usage

If you would like to install this MediaDepot customized build of CoreOS, check the mediadepot/docs repo for instructions

Image Hosting

• Create a Google Cloud Platform (GCP) account and create a new Project.

• The Project ID should be recorded (it will be passed in as an ENV variable)

• Make a new bucket in the Cloud Storage tab. This bucket ID should be recorded (it will be passed in as an ENV variable)

• Make the bucket (or individual files) publically readable

• Use gsutil config to generate a .boto config file and record the gs_oauth2_refresh_token (it will be passed in as an ENV variable)

• Upload format is as follows:

  • IMAGE_NAME="coreos_production_image.bin.bz2"
  • BASE_URL="https://storage.googleapis.com/mediadepot-coreos/boards/amd64-usr"
  • VERSIONTXT_URL="${BASE_URL}/current/version.txt"
  • VERSION_ID=$(wget -qO- "${VERSIONTXT_URL}" | sed -n 's/^COREOS_VERSION=//p')
  • IMAGE_URL="${BASE_URL}/${VERSION_ID}/${IMAGE_NAME}"
  • SIG_URL="${BASE_URL}/${VERSION_ID}/${SIG_NAME}"

References

• https://coreos.com/os/docs/latest/sdk-modifying-coreos.html
• https://coreos.com/os/docs/latest/sdk-tips-and-tricks.html
• http://tdoc.info/en/blog/2014/04/02/coreos_sdk_image.html