/usr/lib/python3/dist-packages/glances/amps/glances_systemv.py is in glances 2.7.1.1-2.
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 | # -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2016 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/>.
"""
SystemV AMP
===========
Monitor the state of the Syste V init system and service.
How to read the stats
---------------------
Running: Number of running services.
Stopped: Number of stopped services.
Upstart: Number of service managed by Upstart.
Source reference: http://askubuntu.com/questions/407075/how-to-read-service-status-all-results
Configuration file example
--------------------------
[amp_systemv]
# Systemv
enable=true
regex=\/sbin\/init
refresh=60
one_line=true
service_cmd=/usr/bin/service --status-all
"""
from subprocess import check_output, STDOUT
from glances.logger import logger
from glances.compat import iteritems
from glances.amps.glances_amp import GlancesAmp
class Amp(GlancesAmp):
"""Glances' Systemd AMP."""
NAME = 'SystemV'
VERSION = '1.0'
DESCRIPTION = 'Get services list from service (initd)'
AUTHOR = 'Nicolargo'
EMAIL = 'contact@nicolargo.com'
# def __init__(self, args=None):
# """Init the AMP."""
# super(Amp, self).__init__(args=args)
def update(self, process_list):
"""Update the AMP"""
# Get the systemctl status
logger.debug('{}: Update stats using service {}'.format(self.NAME, self.get('service_cmd')))
try:
res = check_output(self.get('service_cmd').split(), stderr=STDOUT).decode('utf-8')
except OSError as e:
logger.debug('{}: Error while executing service ({})'.format(self.NAME, e))
else:
status = {'running': 0, 'stopped': 0, 'upstart': 0}
# For each line
for r in res.split('\n'):
# Split per space .*
l = r.split()
if len(l) < 4:
continue
if l[1] == '+':
status['running'] += 1
elif l[1] == '-':
status['stopped'] += 1
elif l[1] == '?':
status['upstart'] += 1
# Build the output (string) message
output = 'Services\n'
for k, v in iteritems(status):
output += '{}: {}\n'.format(k, v)
self.set_result(output, separator=' ')
return self.result()
|