setup-ch.sh

#!/bin/bash

# Simple Firecracker Binary Download Script
set -e

# Colors for output
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m'

log_info() {
    echo -e "${GREEN}[INFO]${NC} $1"
}

log_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

if [ "$EUID" != 0 ]; then
  log_error "Plese run this file with sudo"
  exit 1
fi


# Get architecture
ARCH="$(uname -m)"

# Validate architecture
if [[ "$ARCH" != "x86_64" && "$ARCH" != "aarch64" ]]; then
    log_error "Unsupported architecture: $ARCH"
    log_error "ch supports x86_64 and aarch64 only"
    exit 1
fi

log_info "Detected architecture: $ARCH"

log_info "Downloading latest ch binary..."

release_url="https://github.com/cloud-hypervisor/cloud-hypervisor/releases"
latest=$(basename $(curl -fsSLI -o /dev/null -w %{url_effective} ${release_url}/latest))

if [ $ARCH = "x86_64" ]
then
  wget ${release_url}/download/${latest}/cloud-hypervisor-static
  mv cloud-hypervisor-static cloud-hypervisor
else
  wget ${release_url}/download/${latest}/cloud-hypervisor-static-${ARCH}
  mv cloud-hypervisor-static-${ARCH} cloud-hypervisor
fi

chmod +x ./cloud-hypervisor
sudo setcap cap_net_admin+ep ./cloud-hypervisor

log_info "Downloading ubuntu img..."

wget https://cloud-images.ubuntu.com/focal/current/focal-server-cloudimg-amd64.img

log_info "Convert img to raw..."

qemu-img convert -p -f qcow2 -O raw focal-server-cloudimg-amd64.img focal-server-cloudimg-amd64.raw

log_info "Download latest firmware..."

release_url="https://github.com/cloud-hypervisor/rust-hypervisor-firmware/releases"
latest=$(basename $(curl -fsSLI -o /dev/null -w %{url_effective} ${release_url}/latest))
wget ${release_url}/download/${latest}/hypervisor-fw

log_info "Downloading mcopy and mkdosfs..."
sudo apt install mtools dosfstools -y