dirty auto-format/-mount for EBS blockdevices, useful for Terraform-users

init-ebs-volume.sh

#!/bin/sh

fstab_string='/dev/xvdh /mnt/data ext4 defaults,nofail,nobootwait 0 2'

configure()
{
  echo "Start a service in here, fix permissions or whatever" 
}

# Wait for EBS volume to appear
while [ ! -e /dev/xvdh ]; do sleep 1; done

# Check if device is formatted already
lsblk --output FSTYPE,KNAME | grep "ext4   xvdh"

if [ $? -eq 0 ]
then
  echo "Device already formatted."
else
  mkfs.ext4 /dev/xvdh >&2
fi

while [ ! -d /mnt/data ]; do configure; done