Your IP : 172.28.240.42
"""
Network introspection utilities using ioctl and the /proc filesystem.
"""
import os
from landscape.lib.fs import read_file
def get_vm_info(root_path="/"):
"""
Return a string with the virtualization type if it's known, an empty string
otherwise.
It loops through some possible configurations and return a string with
the name of the technology being used or None if there's no match
"""
def join_root_path(path):
return os.path.join(root_path, path)
if _is_vm_openvz(root_path):
return "openvz"
if _is_vm_xen(root_path):
return "xen"
sys_vendor_path = os.path.join(root_path, "sys/class/dmi/id/sys_vendor")
if os.path.exists(sys_vendor_path):
return _get_vm_by_vendor(sys_vendor_path)
else:
return _get_vm_legacy(root_path)
def get_container_info(path="/run/container_type"):
"""
Return a string with the type of container the client is running in, if
any, an empty string otherwise.
"""
return read_file(path).strip() if os.path.exists(path) else ""
def _is_vm_xen(root_path):
"""Check if the host is virtualized with Xen."""
xen_paths = [
os.path.join(root_path, path)
for path in ("proc/sys/xen", "proc/xen")]
if filter(os.path.exists, xen_paths):
return True
# /sys/bus/xen exists on most machines, but only virtual machines have
# devices
sys_xen_path = os.path.join(root_path, "sys/bus/xen/devices")
return os.path.isdir(sys_xen_path) and os.listdir(sys_xen_path)
def _is_vm_openvz(root_path):
"""Check if the host is virtualized with OpenVZ."""
return os.path.exists(os.path.join(root_path, "proc/vz"))
def _get_vm_by_vendor(sys_vendor_path):
"""Return the VM type string (possibly empty) based on the vendor."""
vendor = read_file(sys_vendor_path).lower()
# Use lower-key string for vendors, since we do case-insentive match.
content_vendors_map = (
("bochs", "kvm"),
("google", "gce"),
("innotek", "virtualbox"),
("microsoft", "hyperv"),
("openstack", "kvm"),
("qemu", "kvm"),
("vmware", "vmware"))
for name, vm_type in content_vendors_map:
if name in vendor:
return vm_type
return ""
def _get_vm_legacy(root_path):
"""Check if the host is virtualized looking at /proc/cpuinfo content."""
try:
cpuinfo = read_file(os.path.join(root_path, "proc/cpuinfo"))
except (IOError, OSError):
return ""
if "qemu" in cpuinfo:
return "kvm"
return ""