Mount i3 ephermal disk

i3

create_cachefs() {
    echo "${FUNCNAME[0]}"
    BLOCK_DEVICE='/dev/nvme0n1'
    NVME_CACHE_MOUNT_POINT='/cache-fs'
    SERVICE_USER_NAME='tooladmin'
 
    # Only set this up if we have an nvme ephemeral
    if [[ ! -e ${BLOCK_DEVICE} ]] ; then
        echo "FAILURE: Service needs a specific amazon instance type"
        return 1
    fi

    # g create a new empty GPT partition table
    # n creates a new partition.
    #   p indicates that it's a primary partition being created.
    #   1 indicates that it should be primary partition
    #   the following blank line accepts the default end sector
    # w writes changes to disk.
    (echo g; echo n; echo p; echo 1; echo ; echo; echo w) | fdisk ${BLOCK_DEVICE} || return 1
    sleep 10
    #create file system
    mkfs.ext4 -F ${BLOCK_DEVICE} || return 1
    mkdir "${NVME_CACHE_MOUNT_POINT}" || return 1
    mount ${BLOCK_DEVICE} "${NVME_CACHE_MOUNT_POINT}" || return 1
    
    # Create required folders
    mkdir -p ${NVME_CACHE_MOUNT_POINT}/tmp

    chmod 777 "${NVME_CACHE_MOUNT_POINT}" || return 1
    chown -R "${SERVICE_USER_NAME}":"${SERVICE_USER_NAME}" "${NVME_CACHE_MOUNT_POINT}" || return 1

    return 0
}