HostManager

from smolvm import HostManager

# Use default Firecracker version
host_mgr = HostManager()

# Specify custom version
host_mgr = HostManager(firecracker_version="v1.14.1")

def detect_arch() -> str

host_mgr = HostManager()
arch = host_mgr.detect_arch()
print(f"Detected architecture: {arch}")

def check_kvm() -> bool

host_mgr = HostManager()
if not host_mgr.check_kvm():
    print("KVM is not available. Run: sudo usermod -aG kvm $USER")

def check_dependencies() -> list[str]

host_mgr = HostManager()
missing = host_mgr.check_dependencies()
if missing:
    print(f"Missing dependencies: {', '.join(missing)}")

def find_firecracker() -> Path | None

host_mgr = HostManager()
fc_path = host_mgr.find_firecracker()
if fc_path:
    print(f"Firecracker found at: {fc_path}")
else:
    print("Firecracker not found")

def install_firecracker(version: str | None = None) -> Path

host_mgr = HostManager()

# Install default version
fc_path = host_mgr.install_firecracker()
print(f"Firecracker installed at: {fc_path}")

# Install specific version
fc_path = host_mgr.install_firecracker(version="v1.14.1")

def validate() -> HostInfo

from smolvm import HostManager

host_mgr = HostManager()
info = host_mgr.validate()

print(f"Architecture: {info.arch}")
print(f"KVM available: {info.capabilities['kvm']}")
print(f"Network tools: {info.capabilities['net_tools']}")
print(f"Firecracker: {info.capabilities['firecracker']}")

if info.missing_deps:
    print(f"Missing dependencies: {', '.join(info.missing_deps)}")

if info.firecracker_path:
    print(f"Firecracker path: {info.firecracker_path}")

from smolvm import HostManager

# Initialize host manager
host_mgr = HostManager()

# Validate the host environment
info = host_mgr.validate()

if not info.capabilities['kvm']:
    print("Error: KVM is not available")
    exit(1)

if not info.capabilities['firecracker']:
    print("Firecracker not found, installing...")
    fc_path = host_mgr.install_firecracker()
    print(f"Firecracker installed at: {fc_path}")

if info.missing_deps:
    print(f"Warning: Missing dependencies: {', '.join(info.missing_deps)}")
    print("Run: sudo ./scripts/system-setup.sh --configure-runtime")

print("Host environment is ready for SmolVM!")