117 lines
3.4 KiB
Python
117 lines
3.4 KiB
Python
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#!/usr/bin/env python3
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import os
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import sys
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import time
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import logging
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import traceback
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import re
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import locale
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import subprocess
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import configparser
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""" @package docstring
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Resources dashboard
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Starts a webserver on a specific port of the monitored server and serves a simple webpage containing
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the monitored sensors graphs.
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Installation:
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- Copy dashboard.cfg in /usr/local/etc/dashboard.cfg and customize it
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- Copy dashboard.py in /usr/local/bin/dashboard.py
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Usage:
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Start the server:
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/usr/local/bin/dashboard.py /usr/local/etc/dashboard.cfg
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@author Daniele Verducci <daniele.verducci@ichibi.eu>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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NAME = 'dashboard'
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VERSION = '0.1'
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DESCRIPTION = 'A simple system resources dashboard'
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class WebServer(BaseHTTPRequestHandler):
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def __init__(self, configPath):
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''' Sets up locale (needed for parsing numbers) '''
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# Get system locale from $LANG (i.e. "en_GB.UTF-8")
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systemLocale = os.getenv('LANG')
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if not systemLocale:
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raise ValueError('System environment variabile $LANG is not set!')
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locale.setlocale(locale.LC_ALL, systemLocale)
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''' Reads the config '''
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self._log = logging.getLogger('main')
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if not os.path.exists(configPath) or not os.path.isfile(configPath):
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raise ValueError('configPath must be a file')
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self.config = configparser.ConfigParser(interpolation=None) # Disable interpolation because contains regexp
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self.config.read(configPath)
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self.hostname = os.uname()[1]
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def do_GET(self):
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self.readSensors()
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self.send_response(200)
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self.send_header("Content-type", "text/html")
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self.end_headers()
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self.wfile.write(bytes("<html><head><title>https://pythonbasics.org</title></head>", "utf-8"))
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self.wfile.write(bytes("<p>Request: %s</p>" % self.path, "utf-8"))
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self.wfile.write(bytes("<body>", "utf-8"))
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self.wfile.write(bytes("<p>This is an example web server.</p>", "utf-8"))
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self.wfile.write(bytes("</body></html>", "utf-8"))
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def readSensors():
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return
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if __name__ == '__main__':
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import argparse
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parser = argparse.ArgumentParser(
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prog = NAME + '.py',
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description = NAME + ' ' + VERSION + '\n' + DESCRIPTION,
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formatter_class = argparse.RawTextHelpFormatter
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)
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parser.add_argument('configFile', help="configuration file path")
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parser.add_argument('-q', '--quiet', action='store_true', help="suppress non-essential output")
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args = parser.parse_args()
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if args.quiet:
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level = logging.WARNING
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else:
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level = logging.INFO
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logging.basicConfig(level=level)
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port =
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httpd = HTTPServer(('localhost', port), Server)
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logging.info('Serving on port {}'.format(port))
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try:
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httpd.serve_forever()
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except KeyboardInterrupt:
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pass
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except Exception as e:
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logging.critical(traceback.format_exc())
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print('ERROR: {}'.format(e))
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sys.exit(1)
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finally:
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httpd.server_close()
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sys.exit(0)
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