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#!/bin/bash
# Start the OpenBSD build VM in the background.
# SSH available at localhost:2222 after boot (~15s).
set -e
VMDIR="$(cd "$(dirname "$0")" && pwd)"
DISK="$VMDIR/openbsd-build.qcow2"
PIDFILE="$VMDIR/qemu.pid"
SSH_PORT=2222
RAM=1024
CPUS=2
if [ ! -f "$DISK" ]; then
echo "Error: $DISK not found. Run setup.sh first."
exit 1
fi
if [ -f "$PIDFILE" ] && kill -0 "$(cat "$PIDFILE")" 2>/dev/null; then
echo "Build VM already running (PID $(cat "$PIDFILE"))"
exit 0
fi
# Use -display none + -serial null for headless background operation.
# -nographic cannot be combined with -daemonize.
echo "Starting OpenBSD build VM..."
qemu-system-x86_64 \
-machine accel=kvm \
-cpu host \
-m "$RAM" \
-smp "$CPUS" \
-drive file="$DISK",format=qcow2,if=virtio \
-netdev user,id=net0,hostfwd=tcp::${SSH_PORT}-:22 \
-device virtio-net-pci,netdev=net0 \
-display none \
-serial null \
-daemonize \
-pidfile "$PIDFILE"
echo "VM started (PID $(cat "$PIDFILE")), waiting for SSH..."
# Wait for SSH to become available
for i in $(seq 1 30); do
if ssh -q -o ConnectTimeout=2 -o StrictHostKeyChecking=no -p "$SSH_PORT" pbuild@localhost true 2>/dev/null; then
echo "SSH ready at localhost:$SSH_PORT"
exit 0
fi
sleep 2
done
echo "Warning: SSH not responding after 60s. VM may still be booting."
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