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https://github.com/CumulusNetworks/ifupdown2.git
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15ef32ea14
Ticket: CM-3864 Reviewed By: Testing Done: Tested build and install open item: - cleanup stale ifupdown2-addons package files
87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
#!/usr/bin/python
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#
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# Copyright 2014 Cumulus Networks, Inc. All rights reserved.
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# Author: Roopa Prabhu, roopa@cumulusnetworks.com
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#
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from utilsbase import *
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import subprocess
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import os
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FNULL = open(os.devnull, 'w')
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class dhclient(utilsBase):
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""" This class contains helper methods to interact with the dhclient
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utility """
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def _pid_exists(self, pidfilename):
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if os.path.exists(pidfilename):
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pid = self.read_file_oneline(pidfilename)
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if not os.path.exists('/proc/%s' %pid):
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return False
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else:
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return False
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return True
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def is_running(self, ifacename):
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return self._pid_exists('/run/dhclient.%s.pid' %ifacename)
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def is_running6(self, ifacename):
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return self._pid_exists('/run/dhclient6.%s.pid' %ifacename)
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def stop(self, ifacename):
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if os.path.exists('/sbin/dhclient3'):
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cmd = ['/sbin/dhclient3', '-x', '-pf',
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'/run/dhclient.%s.pid' %ifacename, '-lf',
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'/var/lib/dhcp3/dhclient.%s.leases' %ifacename,
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'%s' %ifacename]
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else:
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cmd = ['/sbin/dhclient', '-x', '-pf',
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'/run/dhclient.%s.pid' %ifacename,
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'-lf', '/var/lib/dhcp/dhclient.%s.leases' %ifacename,
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'%s' %ifacename]
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self.subprocess_check_call(cmd)
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def start(self, ifacename):
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if os.path.exists('/sbin/dhclient3'):
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cmd = ['/sbin/dhclient3', '-pf',
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'/run/dhclient.%s.pid' %ifacename,
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'-lf', '/var/lib/dhcp3/dhclient.%s.leases' %ifacename,
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'%s' %ifacename]
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else:
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cmd = ['/sbin/dhclient', '-pf', '/run/dhclient.%s.pid' %ifacename,
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'-lf', '/var/lib/dhcp/dhclient.%s.leases' %ifacename,
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'%s' %ifacename]
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self.subprocess_check_call(cmd)
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def release(self, ifacename):
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if os.path.exists('/sbin/dhclient3'):
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cmd = ['/sbin/dhclient3', '-r', '-pf',
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'/run/dhclient.%s.pid' %ifacename, '-lf',
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'/var/lib/dhcp3/dhclient.%s.leases' %ifacename,
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'%s' %ifacename]
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else:
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cmd = ['/sbin/dhclient', '-r', '-pf',
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'/run/dhclient.%s.pid' %ifacename,
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'-lf', '/var/lib/dhcp/dhclient.%s.leases' %ifacename,
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'%s' %ifacename]
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self.subprocess_check_call(cmd)
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def start6(self, ifacename):
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self.subprocess_check_call(['dhclient', '-6', '-pf',
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'/run/dhclient6.%s.pid' %ifacename, '-lf',
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'/var/lib/dhcp/dhclient.%s.leases ' %ifacename,
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'%s' %ifacename])
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def stop6(self, ifacename):
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self.subprocess_check_call(['dhclient', '-6', '-x', '-pf',
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'/run/dhclient.%s.pid' %ifacename, '-lf',
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'/var/lib/dhcp/dhclient.%s.leases ' %ifacename,
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'%s' %ifacename])
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def release6(self, ifacename):
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self.subprocess_check_call(['dhclient', '-6', '-r', '-pf',
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'/run/dhclient6.%s.pid' %ifacename, '-lf',
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'/var/lib/dhcp/dhclient6.%s.leases' %ifacename,
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'%s' %ifacename])
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