Oci-digest-action

Github Action that retrieve OCI image digests from a container registry. This actions is currently using Skopeo for retrieving the digest and assume that the runnning actor is authenticated against the registry. One way to authenticate is docker/login-action.

Inputs

image

Required The image to retrieve the digest for. If this input parameter is an array of images, all images will be processed

os

The OS to use instead of the running OS for choosing images.

arch

The ARCH to use instead of the architecture of the machine for choosing images.

variant

The VARIANT to use instead of the running architecture variant for choosing images.

Outputs

digest

The digest for the given image, if the image exists. When the input image is an array, the digest will also be an array where each element matches the corresponding image entry.

image

The given input image (or array of images). This output is for convenience when using the polagoab/oci-revision-tagger-action.

Example usage for a single image

uses: polagoab/oci-digest-action@v1
with:
  image: 'ubuntu:latest'

Example usage for multiple images

uses: polagoab/oci-digest-action@v1
with:
  image: >-
    [
      "ubuntu:latest",
      "debian:latest"
    ]