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#!/bin/bash
# Launch VM for interactive debugging
# Author: Craig Jennings <craigmartinjennings@gmail.com>
# License: GNU GPLv3
set -e
# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"
# Source utilities
source "$SCRIPT_DIR/lib/logging.sh"
source "$SCRIPT_DIR/lib/vm-utils.sh"
# Parse arguments
VM_DISK=""
USE_BASE=false
if [ $# -eq 0 ]; then
USE_BASE=true
elif [ "$1" = "--base" ]; then
USE_BASE=true
elif [ -f "$1" ]; then
VM_DISK="$1"
else
echo "Usage: $0 [disk-image.qcow2 | --base]"
echo ""
echo "Options:"
echo " --base Use base VM (read-only, safe for testing)"
echo " disk-image.qcow2 Use existing test disk image"
echo " (no args) Clone base VM for debugging"
exit 1
fi
# Configuration
TIMESTAMP=$(date +'%Y%m%d-%H%M%S')
DEBUG_VM_NAME="archsetup-debug-$TIMESTAMP"
BASE_DISK="$PROJECT_ROOT/vm-images/archsetup-base.qcow2"
ROOT_PASSWORD="archsetup"
# Initialize logging
LOGFILE="/tmp/debug-vm-$TIMESTAMP.log"
init_logging "$LOGFILE"
section "Launching Debug VM"
# Determine which disk to use
if $USE_BASE; then
if [ ! -f "$BASE_DISK" ]; then
fatal "Base disk not found: $BASE_DISK"
fi
VM_DISK="$BASE_DISK"
info "Using base VM (read-only snapshot mode)"
else
if [ -z "$VM_DISK" ]; then
# Clone base VM
VM_DISK="$PROJECT_ROOT/vm-images/$DEBUG_VM_NAME.qcow2"
step "Cloning base VM for debugging"
clone_disk "$BASE_DISK" "$VM_DISK" || fatal "Failed to clone base VM"
success "Debug disk created: $VM_DISK"
else
info "Using existing disk: $VM_DISK"
fi
fi
# Create debug VM
step "Creating debug VM: $DEBUG_VM_NAME"
virt-install \
--connect qemu:///system \
--name "$DEBUG_VM_NAME" \
--memory 4096 \
--vcpus 2 \
--disk path="$VM_DISK",format=qcow2,bus=virtio \
--os-variant archlinux \
--network network=default,model=virtio \
--graphics vnc,listen=127.0.0.1 \
--console pty,target.type=serial \
--boot uefi \
--import \
--noautoconsole \
>> "$LOGFILE" 2>&1
success "Debug VM created"
# Wait for boot
step "Waiting for VM to boot..."
sleep 20
# Get VM IP
VM_IP=$(get_vm_ip "$DEBUG_VM_NAME" 2>/dev/null || true)
# Display connection information
section "Debug VM Ready"
info ""
info "VM Name: $DEBUG_VM_NAME"
if [ -n "$VM_IP" ]; then
info "IP Address: $VM_IP"
fi
info "Disk: $VM_DISK"
info ""
info "Connect via:"
info " Console: virsh console $DEBUG_VM_NAME"
if [ -n "$VM_IP" ]; then
info " SSH: ssh root@$VM_IP"
fi
info " VNC: virt-viewer $DEBUG_VM_NAME"
info ""
info "Root password: $ROOT_PASSWORD"
info ""
info "When done debugging:"
info " virsh destroy $DEBUG_VM_NAME"
info " virsh undefine $DEBUG_VM_NAME"
if [ ! "$VM_DISK" = "$BASE_DISK" ] && [ -z "$1" ]; then
info " rm $VM_DISK"
fi
info ""
info "Log file: $LOGFILE"
info ""
# Offer to connect to console
read -p "Connect to console now? [Y/n] " -n 1 -r
echo ""
if [[ $REPLY =~ ^[Nn]$ ]]; then
info "VM is running in background"
info "Connect later with: virsh console $DEBUG_VM_NAME"
else
info "Connecting to console..."
info "Press Ctrl+] to disconnect from console"
sleep 2
virsh console "$DEBUG_VM_NAME"
fi
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