cloudbuild.yaml

# See https://cloud.google.com/cloud-build/docs/build-config

# this must be specified in seconds. If omitted, defaults to 600s (10 mins)
timeout: 1200s
# this prevents errors if you don't use both _GIT_TAG and _PULL_BASE_REF,
# or any new substitutions added in the future.
options:
  dynamic_substitutions: true
  substitution_option: ALLOW_LOOSE
  machineType: 'N1_HIGHCPU_8'
steps:
  - name: gcr.io/k8s-testimages/gcb-docker-gcloud
    entrypoint: bash
    env:
    # default cloudbuild has HOME=/builder/home and docker buildx is in /root/.docker/cli-plugins/docker-buildx
    # set the home to /root explicitly to if using docker buildx
    - HOME=/root
    args:
    - -c
    - |
      set -xeuo pipefail

      # Create docker credentials for pushing to gcr.io from our inherited
      # gcloud credentials
      gcloud auth configure-docker

      # Run the image's buildx entrypoint to initialise the build environment
      # appropriately for the image before running make
      /buildx-entrypoint version

      make push-multiarch-images \
        REGISTRY=gcr.io/$PROJECT_ID
substitutions:
  # _GIT_TAG will be filled with a git-based tag for the image, of the form
  # vYYYYMMDD-hash, and can be used as a substitution
  _GIT_TAG: 'v99999999-v12345'
  # Remove date prefix (first 10 characters) to create valid semver version:
  # v20220510-v1.24.0-alpha.0-15-g09bd268 => v1.24.0-alpha.0-15-g09bd268
  _SHORT_TAG: '${_GIT_TAG:10}'
  # _PULL_BASE_REF will contain the ref that was pushed to to trigger this
  # build - a branch like 'master' or 'release-0.2', or a tag like 'v0.2'.
  _PULL_BASE_REF: 'master'