/usr/lib/python3/dist-packages/glances/plugins/glances_load.py is in glances 2.11.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2017 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/>.
"""Load plugin."""
import os
from glances.compat import iteritems
from glances.plugins.glances_core import Plugin as CorePlugin
from glances.plugins.glances_plugin import GlancesPlugin
# SNMP OID
# 1 minute Load: .1.3.6.1.4.1.2021.10.1.3.1
# 5 minute Load: .1.3.6.1.4.1.2021.10.1.3.2
# 15 minute Load: .1.3.6.1.4.1.2021.10.1.3.3
snmp_oid = {'min1': '1.3.6.1.4.1.2021.10.1.3.1',
'min5': '1.3.6.1.4.1.2021.10.1.3.2',
'min15': '1.3.6.1.4.1.2021.10.1.3.3'}
# Define the history items list
# All items in this list will be historised if the --enable-history tag is set
# 'color' define the graph color in #RGB format
items_history_list = [{'name': 'min1',
'description': '1 minute load',
'color': '#0000FF'},
{'name': 'min5',
'description': '5 minutes load',
'color': '#0000AA'},
{'name': 'min15',
'description': '15 minutes load',
'color': '#000044'}]
class Plugin(GlancesPlugin):
"""Glances load plugin.
stats is a dict
"""
def __init__(self, args=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args, items_history_list=items_history_list)
# We want to display the stat in the curse interface
self.display_curse = True
# Init stats
self.reset()
# Call CorePlugin in order to display the core number
try:
self.nb_log_core = CorePlugin(args=self.args).update()["log"]
except Exception:
self.nb_log_core = 1
def reset(self):
"""Reset/init the stats."""
self.stats = {}
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update load stats."""
# Reset stats
self.reset()
if self.input_method == 'local':
# Update stats using the standard system lib
# Get the load using the os standard lib
try:
load = os.getloadavg()
except (OSError, AttributeError):
self.stats = {}
else:
self.stats = {'min1': load[0],
'min5': load[1],
'min15': load[2],
'cpucore': self.nb_log_core}
elif self.input_method == 'snmp':
# Update stats using SNMP
self.stats = self.get_stats_snmp(snmp_oid=snmp_oid)
if self.stats['min1'] == '':
self.reset()
return self.stats
# Python 3 return a dict like:
# {'min1': "b'0.08'", 'min5': "b'0.12'", 'min15': "b'0.15'"}
for k, v in iteritems(self.stats):
self.stats[k] = float(v)
self.stats['cpucore'] = self.nb_log_core
return self.stats
def update_views(self):
"""Update stats views."""
# Call the father's method
super(Plugin, self).update_views()
# Add specifics informations
try:
# Alert and log
self.views['min15']['decoration'] = self.get_alert_log(self.stats['min15'], maximum=100 * self.stats['cpucore'])
# Alert only
self.views['min5']['decoration'] = self.get_alert(self.stats['min5'], maximum=100 * self.stats['cpucore'])
except KeyError:
# try/except mandatory for Windows compatibility (no load stats)
pass
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, not empty (issue #871) and plugin not disabled
if not self.stats or (self.stats == {}) or self.is_disable():
return ret
# Build the string message
# Header
msg = '{:8}'.format('LOAD')
ret.append(self.curse_add_line(msg, "TITLE"))
# Core number
if 'cpucore' in self.stats and self.stats['cpucore'] > 0:
msg = '{}-core'.format(int(self.stats['cpucore']))
ret.append(self.curse_add_line(msg))
# New line
ret.append(self.curse_new_line())
# 1min load
msg = '{:8}'.format('1 min:')
ret.append(self.curse_add_line(msg))
msg = '{:>6.2f}'.format(self.stats['min1'])
ret.append(self.curse_add_line(msg))
# New line
ret.append(self.curse_new_line())
# 5min load
msg = '{:8}'.format('5 min:')
ret.append(self.curse_add_line(msg))
msg = '{:>6.2f}'.format(self.stats['min5'])
ret.append(self.curse_add_line(
msg, self.get_views(key='min5', option='decoration')))
# New line
ret.append(self.curse_new_line())
# 15min load
msg = '{:8}'.format('15 min:')
ret.append(self.curse_add_line(msg))
msg = '{:>6.2f}'.format(self.stats['min15'])
ret.append(self.curse_add_line(
msg, self.get_views(key='min15', option='decoration')))
return ret
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