File size: 2,003 Bytes
7d4caf0 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 |
import os
def read_file(path):
"""Reads the content of a file, returning None if the file doesn't exist or can't be read."""
try:
with open(path, 'r') as f:
return f.read().strip()
except (FileNotFoundError, PermissionError):
return None
def detect_hypervisor():
"""Detects the hypervisor (Hyper-V or KVM) based on system files."""
# 1. Check for Hyper-V
# The presence of this directory is a strong indicator of Hyper-V
if os.path.isdir("/sys/hypervisor/microsoft"):
return "Hyper-V"
# 2. Check DMI information (often reliable for VMs)
product_name = read_file("/sys/class/dmi/id/product_name")
sys_vendor = read_file("/sys/class/dmi/id/sys_vendor")
if product_name:
product_name_lower = product_name.lower()
if "virtualbox" in product_name_lower:
return "VirtualBox"
elif "vmware" in product_name_lower:
return "VMware"
elif "kvm" in product_name_lower or "qemu" in product_name_lower:
return "KVM/QEMU"
elif "microsoft corporation" in sys_vendor.lower() and "virtual machine" in product_name_lower:
# Fallback for Hyper-V if /sys/hypervisor/microsoft is not present
return "Hyper-V (via DMI)"
# 3. Check for KVM device (requires /dev access, but worth a try)
if os.path.exists("/dev/kvm"):
return "KVM (via /dev/kvm)"
# 4. Check for Xen (common alternative)
if os.path.isdir("/sys/hypervisor/xen"):
return "Xen"
# 5. Check for common cloud/container environments (e.g., AWS, GCP, Docker)
if sys_vendor and "amazon ec2" in sys_vendor.lower():
return "AWS EC2"
if sys_vendor and "google" in sys_vendor.lower():
return "Google Compute Engine"
if os.path.exists("/.dockerenv"):
return "Docker Container"
return "Unknown or Bare Metal"
if __name__ == "__main__":
hypervisor = detect_hypervisor()
print(f"Hypervisor: {hypervisor}")
|