Create LVM on EBS

ebs_lvm.sh

#!/bin/bash


ebs_disk="/dev/xvdf"
ebs_partition="/dev/xvdf1"
vg_name="vg"
pv_name="pv1"
mount_point="/mnt"

# Create a primary partition on $ebs_disk using all space
echo -e "n\np\n1\n\n\nw" | fdisk "$ebs_disk"

# Create Volume Group
vgcreate "$vg_name" "$ebs_partition"

# Create Logical Volume using all space
lvcreate -l 100%FREE -n "$pv_name" "$vg_name"

# Format the LV
mkfs.ext4 "/dev/$vg_name/$pv_name"

# Get UUID of the formatted LV
blkid | grep "/dev/mapper/$vg_name-$pv_name"
uuid=$(blkid | grep '/dev/mapper' | awk '{ print $2 }' | sed \
    's/.*UUID="\(.*\)"/\1/g')

# Update /etc/fstab
s="UUID=$uuid    $mount_point    ext4    defaults,nofail,nobootwait 0   2"
echo "$s" >> /etc/fstab

# Mount
mount -a
mount