#!/bin/sh
set -ex

log () {
    logger -t extend-vg-$$ "$@"
}

vgname="$(hostname)-vg"
devices="$(sed -nE 's/^[[:space:]]*[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+([sh]d[b-z])[[:space:]]*$/\1/p' /proc/partitions)"

for dev in $devices; do
    log "Extend $vgname to $dev"
    pvcreate /dev/$dev
    vgextend $vgname /dev/$dev
done
log done