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Download OCI release vector for resolving deployment base image version. #317

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Download OCI release vector for resolving deployment base image version.
Gerrit91 Jul 16, 2026
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Gerrit91 Jul 16, 2026
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17 changes: 15 additions & 2 deletions env.sh
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
#!/usr/bin/env bash

set -eo pipefail
set -e

echo "Obtaining release vector variables..."
Expand All @@ -8,8 +8,21 @@ yq_shell() {
docker run --rm -i -v ${PWD}:/workdir mikefarah/yq:3 /bin/sh -c "$@"
}

download_oci_release_vector() {
local image="$1"
local tag="$2"

local token=$(curl -s "https://ghcr.io/token?scope=repository:$image:pull&service=ghcr.io" | jq -r .token)

local manifest=$(curl -s -L -H "Accept: application/vnd.oci.image.manifest.v1+json" -H "Authorization: Bearer $token" https://ghcr.io/v2/$image/manifests/$tag)
local digest=$(echo "$manifest" | jq -r '.layers[] | select(.mediaType == "application/vnd.metal-stack.release-vector.v1.tar+gzip") | .digest')

RELEASE_YAML="$(curl -s -L -H "Authorization: Bearer $token" "https://ghcr.io/v2/$image/blobs/$digest" | tar xzO release.yaml)"
}

METAL_STACK_RELEASE_VERSION=$(yq_shell "yq r inventories/group_vars/all/release_vector.yaml 'metal_stack_release_version'")
RELEASE_YAML=$(curl -s https://raw.githubusercontent.com/metal-stack/releases/${METAL_STACK_RELEASE_VERSION}/release.yaml)
download_oci_release_vector metal-stack/releases $METAL_STACK_RELEASE_VERSION

METALCTL_IMAGE_TAG=$(yq_shell "echo \"${RELEASE_YAML}\" | yq r - docker-images.metal-stack.control-plane.metalctl.tag")
DEPLOYMENT_BASE_IMAGE_TAG=$(yq_shell "echo \"${RELEASE_YAML}\" | yq r - docker-images.metal-stack.generic.deployment-base.tag")

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