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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Glances - An eye on your system
#
# Copyright (C) 2014 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Import system lib
from psutil import disk_partitions, disk_usage
# Import Glances libs
from glances.plugins.glances_plugin import GlancesPlugin
class glancesGrabFs:
"""
Get FS stats
Did not exist in PSUtil, so had to create it from scratch
"""
def __init__(self):
"""
Init FS stats
"""
# Init the stats
self.fs_list = []
def __update__(self):
"""
Update the stats
"""
# Reset the list
fs_list = []
# Grab the stats using the PsUtil disk_partitions
# If 'all'=False return physical devices only (e.g. hard disks, cd-rom drives, USB keys)
# and ignore all others (e.g. memory partitions such as /dev/shm)
fs_stat = disk_partitions(all=False)
for fs in range(len(fs_stat)):
fs_current = {}
fs_current['device_name'] = fs_stat[fs].device
fs_current['fs_type'] = fs_stat[fs].fstype
fs_current['mnt_point'] = fs_stat[fs].mountpoint
# Grab the disk usage
fs_usage = disk_usage(fs_current['mnt_point'])
fs_current['size'] = fs_usage.total
fs_current['used'] = fs_usage.used
fs_current['avail'] = fs_usage.free
fs_current['percent'] = fs_usage.percent
fs_list.append(fs_current)
# Put the stats in the global var
self.fs_list = fs_list
return self.fs_list
def get(self):
"""
Update and return the stats
"""
return self.__update__()
class Plugin(GlancesPlugin):
"""
Glances's File System (fs) Plugin
stats is a list
"""
def __init__(self):
GlancesPlugin.__init__(self)
# Init the FS class
self.glancesgrabfs = glancesGrabFs()
# We want to display the stat in the curse interface
self.display_curse = True
# Set the message position
# It is NOT the curse position but the Glances column/line
# Enter -1 to right align
self.column_curse = 0
# Enter -1 to diplay bottom
self.line_curse = 4
def update(self):
"""
Update stats
"""
self.stats = self.glancesgrabfs.get()
def msg_curse(self, args=None):
"""
Return the dict to display in the curse interface
"""
# Init the return message
ret = []
# Only process if stats exist and display plugin enable...
if ((self.stats == []) or (args.disable_fs)):
return ret
# Build the string message
# Header
msg = "{0:8}".format(_("FILE SYS"))
ret.append(self.curse_add_line(msg, "TITLE"))
msg = " {0:>6}".format(_("Used"))
ret.append(self.curse_add_line(msg))
msg = " {0:>6}".format(_("Total"))
ret.append(self.curse_add_line(msg))
# Disk list (sorted by name)
for i in sorted(self.stats, key=lambda fs: fs['mnt_point']):
# New line
ret.append(self.curse_new_line())
if ((len(i['mnt_point']) + len(i['device_name'].split('/')[-1])) <= 5):
# If possible concatenate mode info... Glances touch inside :)
mnt_point = i['mnt_point'] + ' (' + i['device_name'].split('/')[-1] + ')'
elif (len(i['mnt_point']) > 8):
# Cut mount point name if it is too long
mnt_point = '_' + i['mnt_point'][-7:]
else:
mnt_point = i['mnt_point']
msg = "{0:8}".format(mnt_point)
ret.append(self.curse_add_line(msg))
msg = " {0:>6}".format(self.auto_unit(i['used']))
ret.append(self.curse_add_line(msg, self.get_alert(i['used'], max=i['size'])))
msg = " {0:>6}".format(self.auto_unit(i['size']))
ret.append(self.curse_add_line(msg))
return ret
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