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#!/usr/bin/python
#
# Copyright (C) 2014 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os
import cliapp
import overseerlib
class DiskFreePlugin(cliapp.Plugin):
def enable(self):
self.app.add_subcommand('diskfree', self.diskfree,
arg_synopsis='PARTITION THRESHOLD')
def disable(self):
pass
def diskfree(self, args):
if len(args) < 2:
raise cliapp.AppException('diskfree needs a partition and a '
'threshold to be specified')
partition = args[0]
threshold = args[1]
threshold_type = args[2] if len(args) == 3 else 'high'
if threshold.isdigit() == False:
threshold = self.app.human_to_bytes(threshold)
st = os.statvfs(partition)
free = st.f_bavail * st.f_frsize
print free
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