bash alias for easily decrypting helm3 release secrets

.bash_aliases

helmsecret() {
    local fetchSecretJson
    local doesSecretExist
    if [[ -z "${1}" ]]; then
        echo "Missing secret name. Terminating"
        exit 1
    else
        if [[ "${1}" == *"sh.helm.release"* ]]; then
            fetchSecretJson=$(kubectl get secret --ignore-not-found --all-namespaces --output json --field-selector "metadata.name=${1}")
            doesSecretExist=$(echo "${fetchSecretJson}" | jq --raw-output 'if (.items | length) > 0 then "true" else empty end')
            if [[ "${doesSecretExist}" == "true" ]]; then
                echo "${fetchSecretJson}" | jq --raw-output '.items[0].data.release' | base64 -d | base64 -d | gzip -d
            else
                echo "There is no such helm secret on this cluster"
            fi
        else
            echo "This is not a helm secret :("
        fi
    fi
}

example usage:

helmsecret sh.helm.release.v1.SOMERELEASE.v2 | less