/usr/lib/python3/dist-packages/glances/plugins/glances_alert.py is in glances 2.1.1-1.
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 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# 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/>.
"""Alert plugin."""
# Import system lib
import types
from datetime import datetime
# Import Glances libs
from glances.core.glances_globals import glances_logs
from glances.plugins.glances_plugin import GlancesPlugin
class Plugin(GlancesPlugin):
"""Glances' alert plugin.
Only for display.
"""
def __init__(self, args=None):
"""Init the plugin."""
GlancesPlugin.__init__(self, args=args)
# We want to display the stat in the curse interface
self.display_curse = True
# Set the message position
self.set_align('bottom')
# Init the stats
self.reset()
def reset(self):
"""Reset/init the stats."""
self.stats = []
def update(self):
"""Nothing to do here. Just return the global glances_log."""
# Set the stats to the glances_logs
self.stats = glances_logs.get()
def msg_curse(self, args=None):
"""Return the dict to display in the curse interface."""
# Init the return message
ret = []
# Only process if display plugin enable...
if args.disable_log:
return ret
# Build the string message
# Header
if self.stats == []:
msg = _("No warning or critical alert detected")
ret.append(self.curse_add_line(msg, "TITLE"))
else:
# Header
msg = _("Warning or critical alerts")
ret.append(self.curse_add_line(msg, "TITLE"))
logs_len = glances_logs.len()
if logs_len > 1:
msg = _(" (lasts {0} entries)").format(logs_len)
else:
msg = _(" (one entry)")
ret.append(self.curse_add_line(msg, "TITLE"))
# Loop over alerts
for alert in self.stats:
# New line
ret.append(self.curse_new_line())
# Start
msg = str(datetime.fromtimestamp(alert[0]))
ret.append(self.curse_add_line(msg))
# Duration
if alert[1] > 0:
# If finished display duration
msg = ' ({0})'.format(datetime.fromtimestamp(alert[1]) - datetime.fromtimestamp(alert[0]))
else:
msg = _(" (ongoing)")
ret.append(self.curse_add_line(msg))
ret.append(self.curse_add_line(" - "))
# Infos
if alert[1] > 0:
# If finished do not display status
msg = _("{0} on {1}").format(alert[2], alert[3])
ret.append(self.curse_add_line(msg))
else:
msg = str(alert[3])
ret.append(self.curse_add_line(msg, decoration=alert[2]))
# Min / Mean / Max
if self.approx_equal(alert[6], alert[4], tolerance=0.1):
msg = ' ({0:.1f})'.format(alert[5])
else:
msg = _(" (Min:{0:.1f} Mean:{1:.1f} Max:{2:.1f})").format(alert[6], alert[5], alert[4])
ret.append(self.curse_add_line(msg))
# else:
# msg = _(" Running...")
# ret.append(self.curse_add_line(msg))
# !!! Debug only
# msg = ' | {0}'.format(alert)
# ret.append(self.curse_add_line(msg))
return ret
def approx_equal(self, a, b, tolerance=0.0):
"""
Compare a with b using the tolerance (if numerical)
"""
if str(int(a)).isdigit() and str(int(b)).isdigit():
return abs(a-b) <= max(abs(a), abs(b)) * tolerance
else:
return a == b
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