Create new release images in build-patched-kao-kcmo-images.sh

At the moment, build-patched-kao-kcmo-images.sh builds patched
cluster-kube-apiserver-operator and cluster-kube-controller-manager-operator
images, and then each time `snc.sh` is run, it will generate a new
openshift release image using these patched operators.
The openshift release image generation can be done only once at the same
time the operators are built, and then reused in snc.

This commit adds the generation to the build-patched-kao-kcmo-images.sh
script, but snc.sh is not making use of it yet.
The generated image is a multi-arch manifest as we need both x86_64 and
aarch64 images. This is an improvement over what is currently done in
snc.sh, where the release image is single arch, the arch depending on
where snc.sh was run last (on an amd64 or aarch64 machine).

Author: cfergeau

build-patched-kao-kcmo-images.sh

@@ -101,6 +101,34 @@ function patch_and_push_image() {
     skopeo copy --dest-authfile ${OPENSHIFT_PULL_SECRET_PATH} --all docker://${brew_image} docker://quay.io/crcont/openshift-crc-${image_name}:${openshift_version}
 }
 
+function create_patched_release_image_for_arch() {
+    local upstream_registry=$1
+    local arch=$2
+    local release_image="$(release_image_for_arch ${arch})"
+
+    # As of now, `oc adm release new` is not able to parse images which have
+    # multiple arch manifest file so we first need to get the digest of the
+    # image for ${yq_arch} and then use that digest with `oc adm release new`_
+    kao_image_digest=$(${OC} image info -a ${OPENSHIFT_PULL_SECRET_PATH} ${upstream_registry}/openshift-crc-cluster-kube-apiserver-operator:${openshift_version} --filter-by-os=linux/${arch} -ojson | jq -r .digest)
+    kcmo_image_digest=$(${OC} image info -a ${OPENSHIFT_PULL_SECRET_PATH} ${upstream_registry}/openshift-crc-cluster-kube-controller-manager-operator:${openshift_version} --filter-by-os=linux/${arch} -ojson | jq -r .digest)
+
+    ${OC} adm release new -a ${OPENSHIFT_PULL_SECRET_PATH} --from-release=${release_image} \
+	    cluster-kube-apiserver-operator=${upstream_registry}/openshift-crc-cluster-kube-apiserver-operator@${kao_image_digest} \
+	    cluster-kube-controller-manager-operator=${upstream_registry}/openshift-crc-cluster-kube-controller-manager-operator@${kcmo_image_digest} \
+	    --to-image=${upstream_registry}/ocp-release:${openshift_version}-${arch}
+}
+
+function create_new_release_with_patched_images() {
+    local upstream_registry="quay.io/crcont"
+
+    podman manifest create ${upstream_registry}/ocp-release:${openshift_version}
+    for arch in amd64 arm64; do \
+        create_patched_release_image_for_arch ${upstream_registry} ${arch}
+        podman manifest add ${upstream_registry}/ocp-release:${openshift_version} docker://${upstream_registry}/ocp-release:${openshift_version}-${arch}
+      done
+    podman manifest push --all ${upstream_registry}/ocp-release:${openshift_version}  docker://${upstream_registry}/ocp-release:${openshift_version}
+}
+
 function update_base_image() {
     local brew_repo=$1
     local base_image=$2
@@ -125,6 +153,7 @@ openshift_version=$(${OC} adm release info -a ${OPENSHIFT_PULL_SECRET_PATH} ${OP
 
 patch_and_push_image cluster-kube-apiserver-operator
 patch_and_push_image cluster-kube-controller-manager-operator
+create_new_release_with_patched_images
 
 base_image=$(grep "^FROM openshift/ose-base" crc-cluster-kube-apiserver-operator/Dockerfile | sed 's/^FROM //')