Short script to quickly test cloud-init configuration files

test-cloud-init.sh

#!/bin/bash

set -e

IMAGE_URL=https://cloud-images.ubuntu.com/bionic/current/bionic-server-cloudimg-amd64.img
IMAGE_FILE=$(basename $IMAGE_URL)

if [ ! -e $IMAGE_FILE ]; then
    wget $IMAGE_URL
fi

rm -rf vm1.qcow2
qemu-img create -f qcow2 -b $IMAGE_FILE vm1.qcow2 20G

cat >meta-data <<EOF
local-hostname: instance-1
EOF

cat >user-data <<EOF
#cloud-config
password: blahblah000
#growpart:
#  mode: off           # disable root partition resizing
#resize_rootfs: false  # disable root filesystem resize operation
runcmd:
  - lsblk
  - df -h
#  - poweroff
EOF

genisoimage -output seed.iso -volid cidata -joliet -rock user-data meta-data

kvm -m 256 \
   -net nic -net user,hostfwd=tcp::2222-:22 \
   -drive file=vm1.qcow2,if=virtio \
   -drive file=seed.iso,if=virtio \
   -nographic