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import os
import tuned.logs
from . import base
from tuned.utils.commands import commands
class virt_check(base.Function):
"""
Checks whether running inside virtual machine (VM) or on bare metal.
If running inside VM expands to argument 1, otherwise expands to
argument 2 (even on error).
"""
def __init__(self):
# 2 arguments
super(virt_check, self).__init__("virt_check", 2, 2)
def execute(self, args):
if not super(virt_check, self).execute(args):
return None
(ret, out) = self._cmd.execute(["virt-what"])
if ret == 0 and len(out) > 0:
return args[0]
return args[1]