first.sh

#!/bin/sh

# Install initial dependencies
apt-get update && apt-get install git vim lvm2 -y

# Set up SSDs for LVM
parted /dev/sdb -s mklabel gpt
parted -a optimal /dev/sdb mkpart primary ext2 0% 100%
parted /dev/sdb set 1 lvm on
parted /dev/sdc -s mklabel gpt
parted -a optimal /dev/sdc mkpart primary ext2 0% 100%
parted /dev/sdc set 1 lvm on

# Set up LVM
pvcreate /dev/sdb1
pvcreate /dev/sdc1
vgcreate devstack /dev/sdb1

# Set up large volume for devstack's home dir
lvcreate -L 500G -n stack_home devstack
mkfs.ext4 /dev/devstack/stack_home

# Mount devstack's home dir on boot
echo "/dev/devstack/stack_home       /opt/stack               ext4    errors=remount-ro 0       1" >> /etc/fstab
mkdir /opt/stack
mount /opt/stack

# Create stack user
git clone https://github.com/openstack-dev/devstack.git
cd devstack
./tools/create-stack-user.sh

# Set up authorized ssh keys
mkdir /opt/stack/.ssh
cp /root/.ssh/authorized_keys /opt/stack/.ssh/authorized_keys
chown -R stack:stack /opt/stack

echo "Stack user set up, please disconnect and reconnect as the stack user."