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#!/bin/bash
TEMP_DIR=temp
IMAGE_URL="https://cloud-images.ubuntu.com/noble/current/noble-server-cloudimg-amd64.img"
# setup
mkdir "$TEMP_DIR" && cd "$TEMP_DIR" || {
echo "Error: Failed to create directory [$TEMP_DIR], aborting early"
exit 1
}
wget "$IMAGE_URL"
# Create user-data, vendor-data, meta-data
cat << EOF > user-data
#cloud-config
password: password
chpasswd:
expire: False
EOF
cat << EOF > meta-data
instance-id: someid/somehostname
EOF
touch vendor-data
# start ad hoc imds webserver
python3 -m http.server --directory . &
# start an instance of your image in a virtual machine
qemu-system-x86_64 \
-net nic \
-net user \
-machine accel=kvm:tcg \
-cpu host \
-m 512 \
-nographic \
-hda noble-server-cloudimg-amd64.img \
-smbios type=1,serial=ds='nocloud;s=http://10.0.2.2:8000/'
echo -e "\nTo reuse the image and config files, start the python webserver and "
echo -e "virtual machine from $(pwd), which contains these files:\n$(ls -1)\n"
# end the python server on exit
trap "trap - SIGTERM && kill -- -$$" EXIT
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