From 9cdcacaeac5c304c9285cefc8bf9cee2ccb00d79 Mon Sep 17 00:00:00 2001
From: Nico Schottelius <nico@nico-notebook.schottelius.org>
Date: Mon, 29 Jun 2026 09:29:54 +0200
Subject: [PATCH] ++2nd openbsd sketch

Signed-off-by: Nico Schottelius <nico@nico-notebook.schottelius.org>
---
 opennebula-images/openbsd-v2.sh | 121 ++++++++++++++++++++++++++++++++
 1 file changed, 121 insertions(+)
 create mode 100755 opennebula-images/openbsd-v2.sh

diff --git a/opennebula-images/openbsd-v2.sh b/opennebula-images/openbsd-v2.sh
new file mode 100755
index 0000000..d585965
--- /dev/null
+++ b/opennebula-images/openbsd-v2.sh
@@ -0,0 +1,121 @@
+#!/bin/sh
+set -euo pipefail
+
+# --- Configuration ---
+RELEASE="7.9"
+ARCH="amd64"
+MIRROR="https://cdn.openbsd.org/pub/OpenBSD/${RELEASE}/${ARCH}"
+DISK_IMG="openbsd79.qcow2"
+DISK_SIZE="10G"
+
+echo "=== 1. Downloading OpenBSD ${RELEASE} Boot Images ==="
+# We need the install ISO and the file distribution verification key if needed
+wget -cN "${MIRROR}/install79.iso"
+
+echo "=== 2. Creating empty QCOW2 Disk ==="
+qemu-img create -f qcow2 "${DISK_IMG}" "${DISK_SIZE}"
+
+echo "=== 3. Creating Autoinstall Configuration ==="
+# OpenBSD's installer natively looks for an 'install.conf' exposed via an HTTP server
+# to achieve a completely unattended interactive installation.
+mkdir -p www
+cat << 'EOF' > www/install.conf
+Choose your keyboard layout = us
+System hostname = openbsd-cloud
+Which network interface = vio0
+IPv4 address for vio0 = dhcp
+IPv6 address for vio0 = none
+Password for root = **********
+Public ssh key for root = none
+Start sshd by default = yes
+Change the default console to com0 = yes
+Which speed should com0 use = 115200
+Setup a user = none
+Allow root ssh login = yes
+What timezone are you in = UTC
+Location of sets = cd0
+EOF
+
+echo "=== 4. Launching Local HTTP Server for Auto-Install ==="
+# We spin up a background python web server so OpenBSD's autoinstall can fetch the file
+python3 -m http.server 8080 --directory www &
+HTTP_PID=$!
+
+# Ensure the web server dies when this script exits
+trap 'kill $HTTP_PID 2>/dev/null || true' EXIT
+
+# echo "=== 5. Running Unattended Installation via QEMU ==="
+# # We pass 'auto' via the serial console instruction to tell the bootloader to run autoinstall
+# qemu-system-x86_64 \
+#     -m 2048 \
+#     -smp 2 \
+#     -nographic \
+#     -drive file="${DISK_IMG}",format=qcow2,if=virtio \
+#     -cdrom install79.iso \
+#     -netdev user,id=n1,hostname=openbsd-cloud,bootfile=http://10.0.2.2:8080/install.conf \
+#     -device virtio-net-pci,netdev=n1 \
+#     -boot d
+echo "=== 5. Running Unattended Installation via QEMU ==="
+# We pass instructions to the OpenBSD 'boot>' prompt:
+# 1. 'set tty com0' switches the kernel console output to serial.
+# 2. 'auto' kicks off the unattended installer layout.
+(
+  sleep 2;
+  echo "set tty com0";
+  sleep 1;
+  echo "auto";
+) | qemu-system-x86_64 \
+    -m 2048 \
+    -smp 2 \
+    -nographic \
+    -drive file="${DISK_IMG}",format=qcow2,if=virtio \
+    -cdrom install79.iso \
+    -netdev user,id=n1,hostname=openbsd-cloud,bootfile=http://10.0.2.2:8080/install.conf \
+    -device virtio-net-pci,netdev=n1 \
+    -boot d \
+    -serial stdio
+
+
+echo "=== 6. Base Installation Finished! ==="
+echo "Cleaning up installer webserver..."
+kill $HTTP_PID || true
+
+echo "=== 7. Provisioning Packages (bash & cloud-agent) ==="
+# Boot the newly created image to run a quick post-install step over SSH or embedded execution.
+# To keep this completely automated, we pass a script to install packages via QEMU serial.
+# Alternatively, we can boot with user networking forwarded to run a quick ssh loop.
+
+echo "Booting VM to apply packages..."
+qemu-system-x86_64 \
+    -m 2048 \
+    -smp 2 \
+    -nographic \
+    -drive file="${DISK_IMG}",format=qcow2,if=virtio \
+    -netdev user,id=n1,hostfwd=tcp::2222-:22 \
+    -device virtio-net-pci,netdev=n1 &
+VM_PID=$!
+
+echo "Waiting for OpenBSD to boot SSH..."
+until nc -z localhost 2222; do sleep 2; done
+
+echo "Installing bash and cloud-agent..."
+# OpenBSD's native cloud-agent handles provisioning across cloud hypervisors natively.
+ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -p 2222 root@localhost << 'EOF'
+    # Set the package mirror
+    echo "https://cdn.openbsd.org/pub/OpenBSD/%m" > /etc/installurl
+
+    # Install requested packages
+    pkg_add bash cloud-agent
+
+    # Enable the cloud-agent to run on boot
+    rcctl enable cloud_agent
+
+    # Clean up unique identifiers so the image behaves as a proper golden template
+    rm -f /etc/ssh/ssh_host_*
+    rm -f /var/db/dhcpleased/*
+    echo "Done!"
+    halt -p
+EOF
+
+wait $VM_PID
+echo "=== Success! Final Image Built: ${DISK_IMG} ==="