Current File : //usr/lib/python2.7/site-packages/salt/modules/tuned.py
# -*- coding: utf-8 -*-
'''
Interface to Red Hat tuned-adm module
:maintainer: Syed Ali <alicsyed@gmail.com>
:maturity: new
:depends: tuned-adm
:platform: Linux
'''
# Import Python libs
from __future__ import absolute_import, unicode_literals, print_function
import re
# Import Salt libs
import salt.utils.path
__func_alias__ = {
'list_': 'list',
}
__virtualname__ = 'tuned'
def __virtual__():
'''
Check to see if tuned-adm binary is installed on the system
'''
tuned_adm = salt.utils.path.which('tuned-adm')
if not tuned_adm:
return (False, 'The tuned execution module failed to load: the tuned-adm binary is not in the path.')
return __virtualname__
def list_():
'''
List the profiles available
CLI Example:
.. code-block:: bash
salt '*' tuned.list
'''
result = __salt__['cmd.run']('tuned-adm list').splitlines()
# Remove "Available profiles:"
result.pop(0)
# Remove "Current active profile:.*"
result.pop()
# Output can be : " - <profile name> - <description>" (v2.7.1)
# or " - <profile name> " (v2.4.1)
result = [i.split('- ')[1].strip() for i in result]
return result
def active():
'''
Return current active profile
CLI Example:
.. code-block:: bash
salt '*' tuned.active
'''
# turn off all profiles
result = __salt__['cmd.run']('tuned-adm active')
pattern = re.compile(r'''(?P<stmt>Current active profile:) (?P<profile>\w+.*)''')
match = re.match(pattern, result)
return '{0}'.format(match.group('profile'))
def off():
'''
Turn off all profiles
CLI Example:
.. code-block:: bash
salt '*' tuned.off
'''
# turn off all profiles
result = __salt__['cmd.retcode']('tuned-adm off')
if int(result) != 0:
return False
return True
def profile(profile_name):
'''
Activate specified profile
CLI Example:
.. code-block:: bash
salt '*' tuned.profile virtual-guest
'''
# run tuned-adm with the profile specified
result = __salt__['cmd.retcode']('tuned-adm profile {0}'.format(profile_name))
if int(result) != 0:
return False
return '{0}'.format(profile_name)
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