post_install() {
    printf "${bold}${yellow}==============================================================================${reset}\n"
    echo ""
    note_header "Important information about kubectl versions < 1.25"
    echo ""
    note "Starting in kubectl v1.25, this plugin will be required for authentication."
    note "In order to run kubectl with the new plugin prior to the release of v1.25:"
    note ""
    note "    1) Set the USE_GKE_GCLOUD_AUTH_PLUGIN=True environment variable"
    note ""
    note "    2) Run the following command:"
    note ""
    note "       gcloud container clusters get-credentials CLUSTER_NAME"
    note ""
    note "       Replace the CLUSTER_NAME with the name of your cluster."
    note "       This will force the config for this cluster to be updated to"
    note "       the Client-go Credential Plugin configuration."
    note ""
    note "https://cloud.google.com/blog/products/containers-kubernetes/kubectl-auth-changes-in-gke"
    echo ""
    printf "${bold}${yellow}==============================================================================${reset}\n"
}

post_upgrade() {
    post_install
}

# Pacman-like colors
reset="$(tput sgr0)"
bold="${reset}$(tput bold)"
blue="${bold}$(tput setaf 4)"
yellow="${bold}$(tput setaf 3)"
note_header() {
    printf "${yellow}==> NOTE: ${bold}$1${reset}\n"
}
note() {
    printf "${blue}  -> ${bold}$1${reset}\n"
}