55 lines
2.0 KiB
Bash
Executable File
55 lines
2.0 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
set -euo pipefail
|
|
|
|
mkdir -p output-qemu
|
|
|
|
echo "Downloading official Debian 12 cloud image..."
|
|
curl -fsSL -o base.qcow2 https://cloud.debian.org/images/cloud/bookworm/latest/debian-12-genericcloud-amd64.qcow2
|
|
|
|
echo "Expanding disk image to 10G..."
|
|
qemu-img resize base.qcow2 10G
|
|
|
|
echo "Connecting disk image via NBD..."
|
|
sudo modprobe nbd max_part=8
|
|
sudo qemu-nbd --connect=/dev/nbd0 base.qcow2
|
|
sleep 1
|
|
sudo partx -u /dev/nbd0 || true
|
|
|
|
echo "Mounting disk filesystem..."
|
|
sudo mkdir -p /mnt/target
|
|
sudo mount /dev/nbd0p1 /mnt/target
|
|
|
|
echo "Mounting host virtual filesystems and configuring DNS..."
|
|
sudo rm -f /mnt/target/etc/resolv.conf
|
|
echo "nameserver 1.1.1.1" | sudo tee /mnt/target/etc/resolv.conf
|
|
echo "nameserver 8.8.8.8" | sudo tee -a /mnt/target/etc/resolv.conf
|
|
sudo mount --bind /dev /mnt/target/dev
|
|
sudo mount --bind /dev/pts /mnt/target/dev/pts
|
|
sudo mount --bind /proc /mnt/target/proc
|
|
sudo mount --bind /sys /mnt/target/sys
|
|
|
|
echo "Copying provisioner scripts..."
|
|
sudo mkdir -p /mnt/target/tmp/scripts
|
|
sudo cp ci/packer/scripts/*.sh /mnt/target/tmp/scripts/
|
|
sudo cp /opt/ci/assets/k3s /opt/ci/assets/k3s-install.sh /mnt/target/tmp/scripts/
|
|
sudo cp /opt/ci/assets/flux-install-local.yaml /mnt/target/tmp/scripts/flux-install.yaml
|
|
sudo chmod +x /mnt/target/tmp/scripts/*.sh
|
|
|
|
echo "Running provisioner scripts in chroot..."
|
|
sudo chroot /mnt/target /bin/bash /tmp/scripts/01-base-system.sh
|
|
sudo chroot /mnt/target /bin/bash /tmp/scripts/02-install-k3s.sh
|
|
sudo chroot /mnt/target /bin/bash /tmp/scripts/03-cleanup.sh
|
|
sudo rm -rf /mnt/target/tmp/scripts
|
|
|
|
echo "Unmounting filesystems..."
|
|
sudo umount /mnt/target/sys
|
|
sudo umount /mnt/target/proc
|
|
sudo umount /mnt/target/dev/pts
|
|
sudo umount /mnt/target/dev
|
|
sudo umount /mnt/target
|
|
sudo qemu-nbd --disconnect /dev/nbd0
|
|
|
|
echo "Compressing and optimizing qcow2 with 2M cluster size..."
|
|
qemu-img convert -f qcow2 -O qcow2 -o cluster_size=2M -c base.qcow2 output-qemu/com-ermnvldmr-debian-12-k3s-amd64.qcow2
|
|
echo "Golden image built successfully."
|