ocpkg.sh

#/bin/bash

#USAGE   
# `ocpkg 4.8.34``   or with out y release and latest will be chosen `ocpkg 4.8``

DEPENDENCIES=("oc" "jq" "skopeo")
IFS=. read -r Ver4 VerX VerY <<< ${1}
STREAM=fast
CHANNEL="${STREAM}-4.${VerX}"


_CHECK_DEPENDENCIES () {
    if ! [ -x "$(command -v $1)" ]; then
  echo "Error: $1 is not installed." >&2
  exit 1
fi
}

_SET_LATEST_VERSION () {
  version=$(curl -skH 'Accept: application/json'  "https://api.openshift.com/api/upgrades_info/v1/graph?channel=${CHANNEL}&arch=amd64" | jq -rS '.nodes | sort_by(.version | gsub ("[a-z,A-Z,-]";"") | split(".") | map(tonumber)) | last | .version')
  
}


_MAIN () {

  export VERSION=${version}
  RELEASE_IMAGE=$(curl -skH 'Accept: application/json'  "https://api.openshift.com/api/upgrades_info/v1/graph?channel=${CHANNEL}&arch=amd64" | jq -r --arg VERSION "${VERSION}" -S '.nodes | sort_by(.version | gsub ("[a-z,A-Z,-]";"") | split(".") | map(tonumber)) | .[] | select(.version == $VERSION) | .payload')

  RHCOS_VERSION=$(oc adm release info  "${RELEASE_IMAGE}" -o json 2>/dev/null  | jq -r '.displayVersions."machine-os".Version')

  KUBE_VERSION=$(oc adm release info  "${RELEASE_IMAGE}" -o json 2>/dev/null | jq -r '.displayVersions.kubernetes.Version')
  RHCOS_IMAGE=$(oc adm release info 4.13.9 --image-for=rhel-coreos 2>/dev/null)

  #KERNEL_VERSION=$(skopeo inspect --config docker://${RHCOS_IMAGE} 2>/dev/null | jq -r '.config.Labels["ostree.linux"]')
  
  if (( "$VerX" <= 12 )); then
     PACKAGES=$(curl -skS https://releases-rhcos-art.apps.ocp-virt.prod.psi.redhat.com/storage/prod/streams/4.${VerX}/builds/${RHCOS_VERSION}/x86_64/commitmeta.json | jq -r '."rpmostree.rpmdb.pkglist"| .[] | @csv' | awk -F ',' '{print $1,$3,$4,$5}' | tr -d '",') 
  else 
     PACKAGES=$(curl -skS https://releases-rhcos-art.apps.ocp-virt.prod.psi.redhat.com/storage/prod/streams/4.${VerX}-9.2/builds/${RHCOS_VERSION}/x86_64/commitmeta.json | jq -r '."rpmostree.rpmdb.pkglist"| .[] | @csv' | awk -F ',' '{print $1,$3,$4,$5}' | tr -d '",') 
  fi

  KERNEL_VERSION=$(awk '/kernel /' <<<$PACKAGES)


  echo -e "Package List\n\n" 
  echo -e "${PACKAGES}\n\n"
  
 
  echo -e "OpenShift Version:  ${VERSION}"
  echo -e "Kubernetes Version: ${KUBE_VERSION}"
  echo -e "RHCOS Version:      rhcos-4.${VerX} ${RHCOS_VERSION}" 
  
  echo -e "Kernel Version:     ${KERNEL_VERSION}"
  echo -e "Release Image:      ${RELEASE_IMAGE}"
  echo -e "\nView list here: https://releases-rhcos-art.apps.ocp-virt.prod.psi.redhat.com/?stream=releases%2Frhcos-4.${VerX}&${RHCOS_VERSION}"
}


# Not used as it takes to long to do podman pull
_LIST_PACKAGES_PODMAN (){
   OS_IMAGE=$(oc adm release info --pullspecs "${RELEASE_IMAGE}" -o json 2>/dev/null | jq -r '.references.spec.tags[] | select(.name == "machine-os-content") | .from.name ')
   echo ${OS_IMAGE}
   podman run \
          --rm -it \
          --entrypoint /bin/cat \
          ${OS_IMAGE} pkglist.txt 
}


for dep in ${DEPENDENCIES[@]}; do
  _CHECK_DEPENDENCIES $dep
done

if [ -z ${VerY} ]; then
  _SET_LATEST_VERSION
else
   version="4.${VerX}.${VerY}"
fi

 
_MAIN