Requires skopeo and lots of disk space

push.sh

#!/bin/bash

REPO=${REPO:-rancher}
IMAGE=${IMAGE:-rancher-agent}
TAG=${TAG:-v2.5.1-rc1}

DESTREPO=${DESTREPO:-oats87}
DESTIMAGE=${DESTIMAGE:-$IMAGE}
DESTTAG=${DESTTAG:-$TAG}

ARCHES=${ARCHES:-linux-amd64,linux-arm64,windows-1809,windows-1903,windows-1909}

TOGETHER=${REPO}-${IMAGE}-${TAG}

mkdir -p ${TOGETHER}

if [ ${DESTTAG} = latest ]; then
echo Not pushing individual arches for corresponding tag because we are pushing latest
else

IFS=,
for arch in ${ARCHES}; do
skopeo copy dir:./${TOGETHER}/${arch} docker://docker.io/${DESTREPO}/${DESTIMAGE}:${TAG}-${arch}
done
unset IFS

fi
skopeo copy --all dir:./${TOGETHER}/all docker://docker.io/${DESTREPO}/${DESTIMAGE}:${DESTTAG}

save.sh

#!/bin/bash

REPO=${REPO:-rancher}
IMAGE=${IMAGE:-rancher-agent}
TAG=${TAG:-v2.5.1-rc1}

ARCHES=${ARCHES:-linux-amd64,linux-arm64,windows-1809,windows-1903,windows-1909}

TOGETHER=${REPO}-${IMAGE}-${TAG}

mkdir -p ${TOGETHER}

IFS=,
for arch in ${ARCHES}; do
skopeo copy docker://docker.io/${REPO}/${IMAGE}:${TAG}-${arch} dir:./${TOGETHER}/${arch}
done
unset IFS

skopeo copy --all docker://docker.io/${REPO}/${IMAGE}:${TAG} dir:./${TOGETHER}/all