lvm-functions

## No longer using this but keeping for posterity

## Functions so we don't repeat ourselves (DRY)
function lv_name(){
    [[ "$1" ]] || { echo "Error: Missing query" >&2; return 1; }
    export lv_name="lv_$(echo ${path} | sed -r -e 's,^/,,' -e 's,/$,,' -e 's,/,_,g')"
}

function my_mount_lvm(){
    [[ "$1" ]] || { echo "Error: Missing path" >&2; return 1; }
    [[ "$2" ]] || { echo "Error: Missing size" >&2; return 1; }
    path="${1}"
    size="${2}"
    lv_name "${path}"
    sudo lvcreate -n ${lv_name} -L ${size} ${vg}
    sudo mkdir -p ${path}
    ## chmod and chattr protect us from filling the parent partition if the children are unmounted
    sudo chmod 0000 "${path}"
    sudo chattr +i "${path}"
    sudo mkfs -t xfs /dev/${vg}/${lv_name}
    echo "/dev/${vg}/${lv_name} ${path} xfs defaults,noatime 0 0" | sudo tee -a /etc/fstab >/dev/null
    sudo mount "${path}"
}

my_mount_lvm /var/log 45%