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Viewing changes to hooks/charmhelpers/core/sysctl.py

  • Committer: james.page at ubuntu
  • Date: 2014-12-15 09:10:57 UTC
  • mfrom: (91.1.8 nova-compute)
  • Revision ID: james.page@ubuntu.com-20141215091057-yixgfa5av3tebjwy
[corey.bryant,r=james-page] Sort out charmhelpers issues.

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hooks/charmhelpers/core/sysctl.py
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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__author__ = 'Jorge Niedbalski R. <jorge.niedbalski@canonical.com>'
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import yaml
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from subprocess import check_call
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from charmhelpers.core.hookenv import (
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    log,
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    DEBUG,
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)
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def create(sysctl_dict, sysctl_file):
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    """Creates a sysctl.conf file from a YAML associative array
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    :param sysctl_dict: a dict of sysctl options eg { 'kernel.max_pid': 1337 }
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    :type sysctl_dict: dict
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    :param sysctl_file: path to the sysctl file to be saved
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    :type sysctl_file: str or unicode
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    :returns: None
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    """
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    sysctl_dict = yaml.load(sysctl_dict)
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    with open(sysctl_file, "w") as fd:
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        for key, value in sysctl_dict.items():
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            fd.write("{}={}\n".format(key, value))
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    log("Updating sysctl_file: %s values: %s" % (sysctl_file, sysctl_dict),
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        level=DEBUG)
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    check_call(["sysctl", "-p", sysctl_file])