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Added a method gen_vm_mac() to generate valid mac for QEMU/KVM virtual machines #78

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Added a method gen_vm_mac() to generate valid mac for QEMU/KVM virtual machines #78

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22 changes: 22 additions & 0 deletions fauxfactory/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -596,6 +596,28 @@ def gen_mac(delimiter=":"):
return _make_unicode(mac)


def gen_vm_mac(delimiter=":"):
"""Generates a random MAC address for QEMU/KVM VM's.

:param str delimeter: Valid MAC delimeter (e.g ':', '-').
:returns: A random MAC address.
:rtype: str

"""

if delimiter not in [":", "-"]:
raise ValueError("Delimiter is not a valid option: %s" % delimiter)

chars = ['a', 'b', 'c', 'd', 'e', 'f',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9']

mac = delimiter.join(
chars[random.randrange(0, len(chars), 1)]+chars[random.randrange(
0, len(chars), 1)] for x in range(3))
vm_mac = '54:52:00:{0}'.format(mac)

return _make_unicode(vm_mac)

def gen_netmask(min_cidr=1, max_cidr=31):
"""Generates a random valid netmask.

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