119 lines
3.9 KiB
Python
119 lines
3.9 KiB
Python
# Copyright (C) 2008, 2009 Red Hat, Inc.
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# Authors: Phil Knirsch
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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import sys,os,glob
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class Tuned_adm:
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def __init__(self):
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self.profile_dir = "/etc/tune-profiles/"
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def init(self, profile_dir):
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self.profile_dir = profile_dir
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def run(self, args):
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if args[0] == "list":
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self.list()
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elif args[0] == "off":
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if not os.getuid()==0:
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print >>sys.stderr, "Only root can run this script";
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sys.exit(2)
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self.off()
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elif args[0] == "profile":
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if not os.getuid()==0:
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print >>sys.stderr, "Only root can run this script";
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sys.exit(2)
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self.profile(args[1:])
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else:
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print >>sys.stderr, "Nonexistent argument %s" % args[0]
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return 1
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def list(self):
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if os.path.exists(self.profile_dir):
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modes = os.listdir(self.profile_dir)
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if len(modes) > 0:
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print "Modes: "
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for i in range(len(modes)):
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print modes[i]
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else:
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print "No profiles defined."
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def off(self):
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os.system("rm -rf /etc/ktune.d/*.conf")
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os.system("rm -rf /etc/ktune.d/*.sh")
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if os.path.exists("/etc/sysconfig/ktune.bckp"):
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os.rename("/etc/sysconfig/ktune.bckp", "/etc/sysconfig/ktune")
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if os.path.exists("/etc/tuned.conf.bckp") and os.path.exists("/etc/tuned.conf"):
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os.rename("/etc/tuned.conf.bckp", "/etc/tuned.conf")
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os.system('service ktune stop')
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os.system('service tuned stop')
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os.system('chkconfig --del ktune')
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os.system('chkconfig --del tuned')
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def profile(self, args):
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enablektune = False
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enabletuned = False
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if len(args) == 0:
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print "No profile given. To list all available profiles please run:"
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print "tuned-adm list"
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return
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if not os.path.exists(self.profile_dir+"/"+args[0]):
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print "No profile with name %s found." % args[0]
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return
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if os.path.exists(self.profile_dir):
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os.system('service ktune stop')
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os.system('chkconfig --add ktune && chkconfig --level 345 ktune off')
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os.system('service tuned stop')
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os.system('chkconfig --add tuned && chkconfig --level 345 tuned off')
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modes = os.listdir(self.profile_dir)
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if modes > 0:
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print 'Switching to profile %s' % args[0]
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if os.path.exists('/etc/ktune.d/tunedadm.sh'):
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os.remove('/etc/ktune.d/tunedadm.sh')
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if os.path.exists('/etc/ktune.d/tunedadm.conf'):
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os.remove('/etc/ktune.d/tunedadm.conf')
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file = ('%s/%s/ktune.sysconfig' % (self.profile_dir, args[0]))
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if os.path.exists(file):
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enablektune = True
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os.rename('/etc/sysconfig/ktune', '/etc/sysconfig/ktune.bckp')
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os.symlink(file, '/etc/sysconfig/ktune')
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file = ('%s/%s/ktune.sh' % (self.profile_dir, args[0]))
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if os.path.exists(file):
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os.symlink(file, '/etc/ktune.d/tunedadm.sh')
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file = ('%s/%s/sysctl.ktune' % (self.profile_dir, args[0]))
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if os.path.exists(file):
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os.symlink(file, '/etc/ktune.d/tunedadm.conf')
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file = ('%s/%s/tuned.conf' % (self.profile_dir, args[0]))
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if os.path.exists(file):
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enabletuned = True
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os.rename('/etc/tuned.conf', '/etc/tuned.conf.bckp')
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os.symlink(file, '/etc/tuned.conf')
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if enablektune:
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os.system('service ktune start')
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os.system('chkconfig --add ktune && chkconfig --level 345 ktune on')
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if enabletuned:
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os.system('service tuned start')
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os.system('chkconfig --add tuned && chkconfig --level 345 tuned on')
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tuned_adm = Tuned_adm()
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