Basic dash (#3)
* First version of the basic dash. * Dashboard doc v0.1 * Updated to support DVAP and DVRPTR too by parsing qn.cfg as appropriate. * Corrected typo in get_MMDVM() function * Updated doc to include info on pip3 and libconf module installation.pull/4/head
spynappels
8 years ago
committed by
Tom Early
parent
524af5b5c5
commit
7afa5fef99
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##### DASH #####
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The first iteration of the dash is very rudimentary, but it provides the
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following information, refreshed every 30s:
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* Node Callsign
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* Node TX Frequency
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* Node IP Address
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* Currently Linked Reflector
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To access the dashboard, simply point a browser at the Hotspot's IP address or
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at http://<hostname>.local/ (on the same subnet).
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To install, run the following command after the main installation:
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sudo make installdash
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Note that this will install the PIP package for Python3 if not installed, and
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it will also install the libconf Python module. These are not uninstalled by the
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uninstall script, but as these are idempotent commands, there is no issue running
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the install if they are already present.
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To uninstall, run the following:
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sudo make uninstalldash
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#!/bin/sh
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script='/usr/local/bin/qng-info.py'
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nohup /usr/bin/python3 $script &
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#!/usr/bin/env python
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import datetime
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import socket
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import csv
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import configparser
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import libconf
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# HTML to send to browser
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html = """<!DOCTYPE html>
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<html>
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<head>
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<title>QnetGateway D-Star Hotspot</title>
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<meta http-equiv="refresh" content="30" >
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</head>
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<h2>QnetGateway D-Star Hotspot</h2>
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<p>This status page shows the Callsign, Frequency, IP address and Connected Reflector for the QnetGateway D-Star Hotspot.</p>
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<p><strong>Callsign:</strong> {0}<br>
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<strong>Frequency:</strong> {1}MHz<br>
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<strong>IP Address:</strong> {2}<br>
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<strong>Reflector:</strong> {3}</p>
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</html>
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"""
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data = []
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# HTTPRequestHandler class
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class HS_HTTPServer_RequestHandler(BaseHTTPRequestHandler):
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# GET
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def do_GET(self):
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# Send response status code
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self.send_response(200)
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# Send headers
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self.send_header('Content-type','text/html')
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self.end_headers()
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# Send message back to client
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data = get_data()
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message = html.format(data[0], data[1], data[2], data[3])
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# Write content as utf-8 data
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self.wfile.write(bytes(message, "utf8"))
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return
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def get_ip():
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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try:
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# doesn't even have to be reachable
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s.connect(('10.255.255.255', 1))
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IP = s.getsockname()[0]
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except:
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IP = '127.0.0.1'
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finally:
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s.close()
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return IP
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def get_data():
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global data
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data = []
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reflector = "Unlinked"
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with open('/usr/local/etc/RPTR_STATUS.txt') as csvfile:
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readCSV = csv.reader(csvfile, delimiter=',')
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for row in readCSV:
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reflector = row[1] + row[2]
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with open('/usr/local/etc/qn.cfg') as f:
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config = libconf.load(f)
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cs = config.ircddb.login
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for key in config.module:
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if config['module'][key]['type'] == 'mmdvm':
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freq = get_MMDVM()
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else:
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freq = config['module'][key]['frequency']
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data.append(cs)
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data.append(freq)
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data.append(str(get_ip()))
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data.append(reflector)
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return data
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def get_MMDVM():
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MMDVM_config = configparser.ConfigParser()
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MMDVM_config.read('/usr/local/etc/MMDVM.qn')
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rawfreq = MMDVM_config['Info']['txfrequency']
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freq = float(rawfreq)/1000000
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return freq
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def run():
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print('starting server...')
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# Server settings
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server_address = ('', 80)
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httpd = HTTPServer(server_address, HS_HTTPServer_RequestHandler)
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print('running server...')
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httpd.serve_forever()
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run()
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@ -0,0 +1,6 @@
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# Cronjob to kick off dash
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SHELL=/bin/sh
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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@reboot root /usr/local/bin/qng-dash.sh
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