1 | #!/usr/bin/env python
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2 | #
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3 | # vim:ts=2:et:sw=2:ai
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4 | # Wireless Leiden configuration generator, based on yaml files'
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5 | #
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6 | # XXX: This should be rewritten to make use of the ipaddr.py library.
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7 | #
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8 | # Rick van der Zwet <info@rickvanderzwet.nl>
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9 | #
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10 |
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11 | # Hack to make the script directory is also threated as a module search path.
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12 | import sys
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13 | import os
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14 | import re
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15 | sys.path.append(os.path.dirname(__file__))
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16 |
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17 | import cgi
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18 | import cgitb
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19 | import copy
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20 | import glob
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21 | import socket
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22 | import string
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23 | import subprocess
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24 | import time
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25 | import rdnap
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26 | from pprint import pprint
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27 | try:
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28 | import yaml
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29 | except ImportError, e:
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30 | print e
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31 | print "[ERROR] Please install the python-yaml or devel/py-yaml package"
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32 | exit(1)
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33 |
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34 | try:
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35 | from yaml import CLoader as Loader
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36 | from yaml import CDumper as Dumper
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37 | except ImportError:
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38 | from yaml import Loader, Dumper
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39 |
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40 | import logging
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41 | logging.basicConfig(format='# %(levelname)s: %(message)s' )
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42 | logger = logging.getLogger()
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43 | logger.setLevel(logging.DEBUG)
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44 |
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45 |
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46 | if os.environ.has_key('CONFIGROOT'):
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47 | NODE_DIR = os.environ['CONFIGROOT']
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48 | else:
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49 | NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
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50 | __version__ = '$Id: gformat.py 10041 2012-03-06 14:12:00Z rick $'
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51 |
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52 |
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53 | files = [
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54 | 'authorized_keys',
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55 | 'dnsmasq.conf',
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56 | 'rc.conf.local',
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57 | 'resolv.conf',
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58 | 'wleiden.yaml'
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59 | ]
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60 |
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61 | # Global variables uses
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62 | OK = 10
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63 | DOWN = 20
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64 | UNKNOWN = 90
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65 |
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66 |
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67 | def get_proxylist():
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68 | """Get all available proxies proxyX sorting based on X number"""
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69 | proxylist = sorted([os.path.basename(x) for x in glob.glob("%s/proxy*" % NODE_DIR)],
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70 | key=lambda name: int(''.join([c for c in name if c in string.digits])),
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71 | cmp=lambda x,y: x - y)
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72 | return proxylist
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73 |
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74 |
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75 |
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76 | def valid_addr(addr):
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77 | """ Show which address is valid in which are not """
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78 | return str(addr).startswith('172.')
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79 |
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80 |
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81 | def get_nodelist():
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82 | """ Get all available nodes - sorted """
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83 | nodelist = sorted([os.path.basename(x) for x in glob.glob("%s/CNode*" % NODE_DIR)])
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84 | return nodelist
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85 |
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86 | def get_hostlist():
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87 | """ Combined hosts and proxy list"""
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88 | return get_nodelist() + get_proxylist()
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89 |
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90 | def angle_between_points(lat1,lat2,long1,long2):
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91 | """
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92 | Return Angle in radians between two GPS coordinates
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93 | See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
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94 | """
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95 | dy = lat2 - lat1
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96 | dx = math.cos(math.pi/180*lat1)*(long2 - long1)
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97 | angle = math.atan2(dy,dx)
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98 | return angle
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99 |
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100 | def angle_to_cd(angle):
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101 | """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
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102 |
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103 | # For easy conversion get positive degree
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104 | degrees = math.degrees(angle)
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105 | if degrees < 0:
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106 | 360 - abs(degrees)
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107 |
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108 | # Numbers can be confusing calculate from the 4 main directions
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109 | p = 22.5
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110 | if degrees < p:
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111 | return "n"
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112 | elif degrees < (90 - p):
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113 | return "no"
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114 | elif degrees < (90 + p):
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115 | return "o"
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116 | elif degrees < (180 - p):
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117 | return "zo"
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118 | elif degrees < (180 + p):
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119 | return "z"
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120 | elif degrees < (270 - p):
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121 | return "zw"
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122 | elif degrees < (270 + p):
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123 | return "w"
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124 | elif degrees < (360 - p):
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125 | return "nw"
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126 | else:
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127 | return "n"
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128 |
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129 |
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130 | def generate_title(nodelist):
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131 | """ Main overview page """
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132 | items = {'root' : "." }
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133 | output = """
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134 | <html>
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135 | <head>
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136 | <title>Wireless leiden Configurator - GFormat</title>
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137 | <style type="text/css">
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138 | th {background-color: #999999}
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139 | tr:nth-child(odd) {background-color: #cccccc}
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140 | tr:nth-child(even) {background-color: #ffffff}
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141 | th, td {padding: 0.1em 1em}
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142 | </style>
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143 | </head>
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144 | <body>
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145 | <center>
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146 | <form type="GET" action="%(root)s">
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147 | <input type="hidden" name="action" value="update">
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148 | <input type="submit" value="Update Configuration Database (SVN)">
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149 | </form>
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150 | <table>
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151 | <caption><h3>Wireless Leiden Configurator</h3></caption>
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152 | """ % items
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153 |
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154 | for node in nodelist:
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155 | items['node'] = node
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156 | output += '<tr><td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items
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157 | for config in files:
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158 | items['config'] = config
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159 | output += '<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items
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160 | output += "</tr>"
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161 | output += """
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162 | </table>
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163 | <hr />
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164 | <em>%s</em>
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165 | </center>
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166 | </body>
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167 | </html>
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168 | """ % __version__
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169 |
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170 | return output
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171 |
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172 |
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173 |
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174 | def generate_node(node):
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175 | """ Print overview of all files available for node """
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176 | return "\n".join(files)
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177 |
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178 |
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179 |
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180 | def generate_header(ctag="#"):
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181 | return """\
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182 | %(ctag)s
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183 | %(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
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184 | %(ctag)s Generated at %(date)s by %(host)s
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185 | %(ctag)s
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186 | """ % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname() }
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187 |
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188 |
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189 |
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190 | def parseaddr(s):
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191 | """ Process IPv4 CIDR notation addr to a (binary) number """
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192 | f = s.split('.')
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193 | return (long(f[0]) << 24L) + \
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194 | (long(f[1]) << 16L) + \
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195 | (long(f[2]) << 8L) + \
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196 | long(f[3])
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197 |
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198 |
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199 |
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200 | def showaddr(a):
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201 | """ Display IPv4 addr in (dotted) CIDR notation """
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202 | return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
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203 |
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204 |
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205 | def is_member(ip, mask, canidate):
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206 | """ Return True if canidate is part of ip/mask block"""
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207 | ip_addr = gformat.parseaddr(ip)
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208 | ip_canidate = gformat.parseaddr(canidate)
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209 | mask = int(mask)
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210 | ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
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211 | ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
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212 | return ip_addr == ip_canidate
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213 |
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214 |
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215 |
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216 |
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217 | def netmask2subnet(netmask):
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218 | """ Given a 'netmask' return corresponding CIDR """
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219 | return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
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220 |
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221 |
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222 |
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223 | def generate_dnsmasq_conf(datadump):
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224 | """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
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225 | output = generate_header()
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226 | output += """\
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227 | # DHCP server options
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228 | dhcp-authoritative
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229 | dhcp-fqdn
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230 | domain=dhcp.%(nodename_lower)s.%(domain)s
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231 | domain-needed
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232 | expand-hosts
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233 |
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234 | # Low memory footprint
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235 | cache-size=10000
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236 | \n""" % datadump
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237 |
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238 | for iface_key in datadump['iface_keys']:
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239 | if not datadump[iface_key].has_key('comment'):
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240 | datadump[iface_key]['comment'] = None
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241 | output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
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242 |
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243 | try:
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244 | (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
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245 | (ip, netmask) = datadump[iface_key]['ip'].split('/')
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246 | datadump[iface_key]['subnet'] = netmask2subnet(netmask)
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247 | except (AttributeError, ValueError):
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248 | output += "# not autoritive\n\n"
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249 | continue
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250 |
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251 | dhcp_part = ".".join(ip.split('.')[0:3])
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252 | datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
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253 | datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
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254 | output += "dhcp-range=%(interface)s,%(dhcp_start)s,%(dhcp_stop)s,%(subnet)s,24h\n\n" % datadump[iface_key]
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255 |
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256 | return output
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257 |
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258 |
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259 |
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260 | def generate_rc_conf_local(datadump):
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261 | """ Generate configuration file '/etc/rc.conf.local' """
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262 | output = generate_header("#");
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263 | output += """\
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264 | hostname='%(nodetype)s%(nodename)s.%(domain)s'
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265 | location='%(location)s'
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266 | """ % datadump
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267 |
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268 | # TProxy configuration
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269 | output += "\n"
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270 | try:
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271 | if datadump['tproxy']:
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272 | output += """\
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273 | tproxy_enable='YES'
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274 | tproxy_range='%(tproxy)s'
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275 | """ % datadump
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276 | except KeyError:
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277 | output += "tproxy_enable='NO'\n"
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278 |
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279 | output += '\n'
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280 | # lo0 configuration:
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281 | # - 172.32.255.1/32 is the proxy.wleiden.net deflector
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282 | # - masterip is special as it needs to be assigned to at
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283 | # least one interface, so if not used assign to lo0
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284 | addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
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285 | iface_map = {'lo0' : 'lo0'}
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286 |
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287 | masterip_used = False
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288 | for iface_key in datadump['iface_keys']:
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289 | if datadump[iface_key]['ip'].startswith(datadump['masterip']):
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290 | masterip_used = True
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291 | break
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292 | if not masterip_used:
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293 | addrs_list['lo0'].append(datadump['masterip'] + "/32")
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294 |
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295 | wlan_count = 0
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296 | for iface_key in datadump['iface_keys']:
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297 | ifacedump = datadump[iface_key]
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298 | interface = ifacedump['interface']
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299 | # By default no special interface mapping
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300 | iface_map[interface] = interface
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301 |
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302 | # Add interface IP to list
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303 | item = (ifacedump['ip'], ifacedump['desc'])
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304 | if addrs_list.has_key(interface):
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305 | addrs_list[interface].append(item)
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306 | else:
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307 | addrs_list[interface] = [item]
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308 |
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309 | # Alias only needs IP assignment for now, this might change if we
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310 | # are going to use virtual accesspoints
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311 | if "alias" in iface_key:
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312 | continue
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313 |
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314 | # XXX: Might want to deduct type directly from interface name
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315 | if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
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316 | # Create wlanX interface
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317 | ifacedump['wlanif'] ="wlan%i" % wlan_count
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318 | iface_map[interface] = ifacedump['wlanif']
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319 | wlan_count += 1
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320 |
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321 | # Default to station (client) mode
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322 | ifacedump['wlanmode'] = "sta"
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323 | if ifacedump['mode'] in ['master', 'master-wds']:
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324 | ifacedump['wlanmode'] = "ap"
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325 | # Default to 802.11b mode
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326 | ifacedump['mode'] = '11b'
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327 | if ifacedump['type'] in ['11a', '11b' '11g']:
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328 | ifacedump['mode'] = ifacedump['type']
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329 |
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330 | if not ifacedump.has_key('channel'):
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331 | if ifacedump['type'] == '11a':
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332 | ifacedump['channel'] = 36
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333 | else:
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334 | ifacedump['channel'] = 1
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335 |
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336 | # Allow special hacks at the back like wds and stuff
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337 | if not ifacedump.has_key('extra'):
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338 | ifacedump['extra'] = 'regdomain ETSI country NL'
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339 |
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340 | output += "wlans_%(interface)s='%(wlanif)s'\n" % ifacedump
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341 | output += ("create_args_%(wlanif)s='wlanmode %(wlanmode)s mode " +\
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342 | "%(mode)s ssid %(ssid)s %(extra)s channel %(channel)s'\n") % ifacedump
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343 |
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344 | elif ifacedump['type'] in ['ethernet', 'eth']:
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345 | # No special config needed besides IP
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346 | pass
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347 | else:
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348 | assert False, "Unknown type " + ifacedump['type']
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349 |
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350 | # Print IP address which needs to be assigned over here
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351 | output += "\n"
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352 | for iface,addrs in sorted(addrs_list.iteritems()):
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353 | for addr,comment in addrs:
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354 | output += "# %s || %s || %s\n" % (iface, addr, comment)
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355 | output += "ipv4_addrs_%s='%s'\n\n" % (iface_map[iface], " ".join([x[0] for x in addrs]))
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356 |
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357 | return output
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358 |
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359 |
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360 |
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361 | def get_yaml(item):
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362 | """ Get configuration yaml for 'item'"""
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363 | gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
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364 |
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365 | f = open(gfile, 'r')
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366 | datadump = yaml.load(f,Loader=Loader)
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367 | f.close()
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368 |
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369 | return datadump
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370 |
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371 | def store_yaml(datadump):
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372 | """ Store configuration yaml for 'item'"""
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373 | gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
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374 |
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375 | f = open(gfile, 'w')
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376 | f.write(generate_wleiden_yaml(datadump))
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377 | f.close()
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378 |
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379 |
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380 |
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381 | def get_all_configs():
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382 | """ Get dict with key 'host' with all configs present """
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383 | configs = dict()
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384 | for host in get_hostlist():
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385 | datadump = get_yaml(host)
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386 | configs[host] = datadump
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387 | return configs
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388 |
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389 |
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390 | def get_interface_keys(config):
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391 | """ Quick hack to get all interface keys, later stage convert this to a iterator """
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392 | return [elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)]
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393 |
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394 |
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395 | def get_used_ips(configs):
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396 | """ Return array of all IPs used in config files"""
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397 | ip_list = []
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398 | for config in configs:
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399 | ip_list.append(config['masterip'])
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400 | for iface_key in get_interface_keys(config):
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401 | l = config[iface_key]['ip']
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402 | addr, mask = l.split('/')
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403 | # Special case do not process
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404 | if valid_addr(addr):
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405 | ip_list.append(addr)
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406 | else:
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407 | logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
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408 | return sorted(ip_list)
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409 |
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410 |
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411 |
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412 | def write_yaml(item, datadump):
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413 | """ Write configuration yaml for 'item'"""
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414 | gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
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415 |
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416 | f = open(gfile, 'w')
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417 | f.write(format_wleiden_yaml(datadump))
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418 | f.close()
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419 |
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420 |
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421 |
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422 | def generate_resolv_conf(datadump):
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423 | """ Generate configuration file '/etc/resolv.conf' """
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424 | output = generate_header("#");
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425 | output += """\
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426 | search wleiden.net
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427 | # Try local (cache) first
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428 | nameserver 127.0.0.1
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429 |
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430 | # Proxies are recursive nameservers
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431 | # needs to be in resolv.conf for dnsmasq as well
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432 | """ % datadump
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433 |
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434 | for proxy in get_proxylist():
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435 | proxy_ip = get_yaml(proxy)['masterip']
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436 | output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
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437 | return output
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438 |
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439 |
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440 |
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441 | def format_yaml_value(value):
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442 | """ Get yaml value in right syntax for outputting """
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443 | if isinstance(value,str):
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444 | output = "'%s'" % value
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445 | else:
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446 | output = value
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447 | return output
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448 |
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449 |
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450 |
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451 | def format_wleiden_yaml(datadump):
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452 | """ Special formatting to ensure it is editable"""
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453 | output = "# Genesis config yaml style\n"
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---|
454 | output += "# vim:ts=2:et:sw=2:ai\n"
|
---|
455 | output += "#\n"
|
---|
456 | iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
|
---|
457 | for key in sorted(set(datadump.keys()) - set(iface_keys)):
|
---|
458 | output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
|
---|
459 |
|
---|
460 | output += "\n\n"
|
---|
461 |
|
---|
462 | key_order = [ 'comment', 'interface', 'ip', 'desc', 'sdesc', 'mode', 'type',
|
---|
463 | 'extra_type', 'channel', 'ssid', 'dhcp' ]
|
---|
464 |
|
---|
465 | for iface_key in sorted(iface_keys):
|
---|
466 | output += "%s:\n" % iface_key
|
---|
467 | for key in key_order + list(sorted(set(datadump[iface_key].keys()) - set(key_order))):
|
---|
468 | if datadump[iface_key].has_key(key):
|
---|
469 | output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
|
---|
470 | output += "\n\n"
|
---|
471 |
|
---|
472 | return output
|
---|
473 |
|
---|
474 |
|
---|
475 |
|
---|
476 | def generate_wleiden_yaml(datadump):
|
---|
477 | """ Generate (petty) version of wleiden.yaml"""
|
---|
478 | output = generate_header("#")
|
---|
479 | output += format_wleiden_yaml(datadump)
|
---|
480 | return output
|
---|
481 |
|
---|
482 |
|
---|
483 | def generate_yaml(datadump):
|
---|
484 | return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
|
---|
485 |
|
---|
486 |
|
---|
487 |
|
---|
488 | def generate_config(node, config, datadump=None):
|
---|
489 | """ Print configuration file 'config' of 'node' """
|
---|
490 | output = ""
|
---|
491 | try:
|
---|
492 | # Load config file
|
---|
493 | if datadump == None:
|
---|
494 | datadump = get_yaml(node)
|
---|
495 |
|
---|
496 | # Preformat certain needed variables for formatting and push those into special object
|
---|
497 | datadump_extra = copy.deepcopy(datadump)
|
---|
498 | if not datadump_extra.has_key('domain'):
|
---|
499 | datadump_extra['domain'] = 'wleiden.net'
|
---|
500 | datadump_extra['nodename_lower'] = datadump_extra['nodename'].lower()
|
---|
501 | datadump_extra['iface_keys'] = sorted([elem for elem in datadump.keys() if elem.startswith('iface_')])
|
---|
502 |
|
---|
503 | if config == 'wleiden.yaml':
|
---|
504 | output += generate_wleiden_yaml(datadump)
|
---|
505 | elif config == 'authorized_keys':
|
---|
506 | f = open("global_keys", 'r')
|
---|
507 | output += f.read()
|
---|
508 | f.close()
|
---|
509 | elif config == 'dnsmasq.conf':
|
---|
510 | output += generate_dnsmasq_conf(datadump_extra)
|
---|
511 | elif config == 'rc.conf.local':
|
---|
512 | output += generate_rc_conf_local(datadump_extra)
|
---|
513 | elif config == 'resolv.conf':
|
---|
514 | output += generate_resolv_conf(datadump_extra)
|
---|
515 | else:
|
---|
516 | assert False, "Config not found!"
|
---|
517 | except IOError, e:
|
---|
518 | output += "[ERROR] Config file not found"
|
---|
519 | return output
|
---|
520 |
|
---|
521 |
|
---|
522 |
|
---|
523 | def process_cgi_request():
|
---|
524 | """ When calling from CGI """
|
---|
525 | # Update repository if requested
|
---|
526 | form = cgi.FieldStorage()
|
---|
527 | if form.getvalue("action") == "update":
|
---|
528 | print "Refresh: 5; url=."
|
---|
529 | print "Content-type:text/plain\r\n\r\n",
|
---|
530 | print "[INFO] Updating subverion, please wait..."
|
---|
531 | print subprocess.Popen(['svn', 'up', NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
|
---|
532 | print "[INFO] All done, redirecting in 5 seconds"
|
---|
533 | sys.exit(0)
|
---|
534 |
|
---|
535 |
|
---|
536 | uri = os.environ['PATH_INFO'].strip('/').split('/')
|
---|
537 | output = ""
|
---|
538 | if not uri[0]:
|
---|
539 | output += "Content-type:text/html\r\n\r\n"
|
---|
540 | output += generate_title(get_hostlist())
|
---|
541 | elif len(uri) == 1:
|
---|
542 | output += "Content-type:text/plain\r\n\r\n"
|
---|
543 | output += generate_node(uri[0])
|
---|
544 | elif len(uri) == 2:
|
---|
545 | output += "Content-type:text/plain\r\n\r\n"
|
---|
546 | output += generate_config(uri[0], uri[1])
|
---|
547 | else:
|
---|
548 | assert False, "Invalid option"
|
---|
549 | print output
|
---|
550 |
|
---|
551 | def get_fqdn(datadump):
|
---|
552 | # Proxy naming convention is special
|
---|
553 | if datadump['nodetype'] == 'Proxy':
|
---|
554 | fqdn = datadump['nodename']
|
---|
555 | else:
|
---|
556 | # By default the full name is listed and also a shortname CNAME for easy use.
|
---|
557 | fqdn = datadump['nodetype'] + datadump['nodename']
|
---|
558 | return(fqdn)
|
---|
559 |
|
---|
560 |
|
---|
561 |
|
---|
562 | def make_dns(output_dir = 'dns'):
|
---|
563 | items = dict()
|
---|
564 |
|
---|
565 | # hostname is key, IP is value
|
---|
566 | wleiden_zone = dict()
|
---|
567 | wleiden_cname = dict()
|
---|
568 |
|
---|
569 | pool = dict()
|
---|
570 | for node in get_hostlist():
|
---|
571 | logger.info("Processing host %s", node)
|
---|
572 | datadump = get_yaml(node)
|
---|
573 |
|
---|
574 | # Proxy naming convention is special
|
---|
575 | fqdn = get_fqdn(datadump)
|
---|
576 | if datadump['nodetype'] == 'CNode':
|
---|
577 | wleiden_cname[datadump['nodename']] = fqdn
|
---|
578 |
|
---|
579 | wleiden_zone[fqdn] = datadump['masterip']
|
---|
580 |
|
---|
581 | # Hacking to get proper DHCP IPs and hostnames
|
---|
582 | for iface_key in get_interface_keys(datadump):
|
---|
583 | iface_name = datadump[iface_key]['interface'].replace(':',"-alias-")
|
---|
584 | (ip, netmask) = datadump[iface_key]['ip'].split('/')
|
---|
585 | try:
|
---|
586 | (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
|
---|
587 | datadump[iface_key]['subnet'] = netmask2subnet(netmask)
|
---|
588 | dhcp_part = ".".join(ip.split('.')[0:3])
|
---|
589 | if ip != datadump['masterip']:
|
---|
590 | wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)] = ip
|
---|
591 | for i in range(int(dhcp_start), int(dhcp_stop) + 1):
|
---|
592 | wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)] = "%s.%s" % (dhcp_part, i)
|
---|
593 | except (AttributeError, ValueError):
|
---|
594 | # First push it into a pool, to indentify the counter-part later on
|
---|
595 | addr = parseaddr(ip)
|
---|
596 | netmask = int(netmask)
|
---|
597 | addr = addr & ~((1 << (32 - netmask)) - 1)
|
---|
598 | if pool.has_key(addr):
|
---|
599 | pool[addr] += [(iface_name, fqdn, ip)]
|
---|
600 | else:
|
---|
601 | pool[addr] = [(iface_name, fqdn, ip)]
|
---|
602 | continue
|
---|
603 |
|
---|
604 |
|
---|
605 | def pool_to_name(node, pool_members):
|
---|
606 | """Convert the joined name to a usable pool name"""
|
---|
607 |
|
---|
608 | # Get rid of the own entry
|
---|
609 | pool_members = list(set(pool_members) - set([fqdn]))
|
---|
610 |
|
---|
611 | target = oldname = ''
|
---|
612 | for node in sorted(pool_members):
|
---|
613 | (name, number) = re.match('^([A-Za-z]+)([0-9]*)$',node).group(1,2)
|
---|
614 | target += "-" + number if name == oldname else "-" + node if target else node
|
---|
615 | oldname = name
|
---|
616 |
|
---|
617 | return target
|
---|
618 |
|
---|
619 |
|
---|
620 | # WL uses an /29 to configure an interface. IP's are ordered like this:
|
---|
621 | # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
|
---|
622 |
|
---|
623 | sn = lambda x: re.sub(r'(?i)^cnode','',x)
|
---|
624 |
|
---|
625 | # Automatic naming convention of interlinks namely 2 + remote.lower()
|
---|
626 | for (key,value) in pool.iteritems():
|
---|
627 | # Make sure they are sorted from low-ip to high-ip
|
---|
628 | value = sorted(value, key=lambda x: parseaddr(x[2]))
|
---|
629 |
|
---|
630 | if len(value) == 1:
|
---|
631 | (iface_name, fqdn, ip) = value[0]
|
---|
632 | wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)] = ip
|
---|
633 |
|
---|
634 | # Device DNS names
|
---|
635 | if 'cnode' in fqdn.lower():
|
---|
636 | wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)] = showaddr(parseaddr(ip) + 1)
|
---|
637 | wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % (iface_name, fqdn)
|
---|
638 |
|
---|
639 | elif len(value) == 2:
|
---|
640 | (a_iface_name, a_fqdn, a_ip) = value[0]
|
---|
641 | (b_iface_name, b_fqdn, b_ip) = value[1]
|
---|
642 | wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)] = a_ip
|
---|
643 | wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)] = b_ip
|
---|
644 |
|
---|
645 | # Device DNS names
|
---|
646 | if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
|
---|
647 | wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)] = showaddr(parseaddr(a_ip) + 1)
|
---|
648 | wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)] = showaddr(parseaddr(b_ip) - 1)
|
---|
649 | wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
|
---|
650 | wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
|
---|
651 | wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
|
---|
652 | wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
|
---|
653 |
|
---|
654 | else:
|
---|
655 | pool_members = [k[1] for k in value]
|
---|
656 | for item in value:
|
---|
657 | (iface_name, fqdn, ip) = item
|
---|
658 | pool_name = "2pool-" + showaddr(key).replace('.','-') + "-" + pool_to_name(fqdn,pool_members)
|
---|
659 | wleiden_zone["%s.%s" % (pool_name, fqdn)] = ip
|
---|
660 |
|
---|
661 | # Include static DNS entries
|
---|
662 | # XXX: Should they override the autogenerated results?
|
---|
663 | # XXX: Convert input to yaml more useable.
|
---|
664 | # Format:
|
---|
665 | ##; this is a comment
|
---|
666 | ## roomburgh=CNodeRoomburgh1
|
---|
667 | ## apkerk1.CNodeVosko=172.17.176.8 ;this as well
|
---|
668 | dns = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
|
---|
669 |
|
---|
670 | # Hack to allow special entries, for development
|
---|
671 | wleiden_raw = dns['raw']
|
---|
672 | del dns['raw']
|
---|
673 |
|
---|
674 | for comment, block in dns.iteritems():
|
---|
675 | for k,v in block.iteritems():
|
---|
676 | if valid_addr(v):
|
---|
677 | wleiden_zone[k] = v
|
---|
678 | else:
|
---|
679 | wleiden_cname[k] = v
|
---|
680 |
|
---|
681 | details = dict()
|
---|
682 | # 24 updates a day allowed
|
---|
683 | details['serial'] = time.strftime('%Y%m%d%H')
|
---|
684 |
|
---|
685 | dns_header = '''
|
---|
686 | $TTL 3h
|
---|
687 | %(zone)s. SOA sunny.wleiden.net. beheer.lijst.wirelessleiden.nl. ( %(serial)s 1d 12h 1w 3h )
|
---|
688 | ; Serial, Refresh, Retry, Expire, Neg. cache TTL
|
---|
689 |
|
---|
690 | NS sunny.wleiden.net.
|
---|
691 | \n'''
|
---|
692 |
|
---|
693 |
|
---|
694 | if not os.path.isdir('dns'):
|
---|
695 | os.makedirs('dns')
|
---|
696 | details['zone'] = 'wleiden.net'
|
---|
697 | f = open(os.path.join(output_dir,"db." + details['zone']), "w")
|
---|
698 | f.write(dns_header % details)
|
---|
699 |
|
---|
700 | for host,ip in wleiden_zone.iteritems():
|
---|
701 | if valid_addr(ip):
|
---|
702 | f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
|
---|
703 | for source,dest in wleiden_cname.iteritems():
|
---|
704 | f.write("%s.wleiden.net. IN CNAME %s.wleiden.net.\n" % (source.lower(), dest.lower()))
|
---|
705 | for source, dest in wleiden_raw.iteritems():
|
---|
706 | f.write("%s.wleiden.net. %s\n" % (source, dest))
|
---|
707 | f.close()
|
---|
708 |
|
---|
709 | # Create whole bunch of specific sub arpa zones. To keep it compliant
|
---|
710 | for s in range(16,32):
|
---|
711 | details['zone'] = '%i.172.in-addr.arpa' % s
|
---|
712 | f = open(os.path.join(output_dir,"db." + details['zone']), "w")
|
---|
713 | f.write(dns_header % details)
|
---|
714 |
|
---|
715 | #XXX: Not effient, fix to proper data structure and do checks at other
|
---|
716 | # stages
|
---|
717 | for host,ip in wleiden_zone.iteritems():
|
---|
718 | if valid_addr(ip):
|
---|
719 | if int(ip.split('.')[1]) == s:
|
---|
720 | rev_ip = '.'.join(reversed(ip.split('.')))
|
---|
721 | f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
|
---|
722 | f.close()
|
---|
723 |
|
---|
724 |
|
---|
725 | def usage():
|
---|
726 | print """Usage: %s <standalone [port] |test [test arguments]|static|dns>
|
---|
727 | Examples:
|
---|
728 | \tdns [outputdir] = Generate BIND compliant zone files in dns.
|
---|
729 | \tstandalone = Run configurator webserver [default port=8000]
|
---|
730 | \twind-export = Generate SQL import scripts for WIND database
|
---|
731 | \tfull-export = Generate yaml export script for heatmap.
|
---|
732 | \tstatic = Generate all config files and store on disk
|
---|
733 | \t with format ./static/%%NODE%%/%%FILE%%
|
---|
734 | \ttest CNodeRick dnsmasq.conf = Receive output of CGI script
|
---|
735 | \t for arguments CNodeRick/dnsmasq.conf
|
---|
736 | \tlist <nodes|proxies> = List systems which marked up.
|
---|
737 | """
|
---|
738 | exit(0)
|
---|
739 |
|
---|
740 |
|
---|
741 |
|
---|
742 | def main():
|
---|
743 | """Hard working sub"""
|
---|
744 | # Allow easy hacking using the CLI
|
---|
745 | if not os.environ.has_key('PATH_INFO'):
|
---|
746 | if len(sys.argv) < 2:
|
---|
747 | usage()
|
---|
748 |
|
---|
749 | if sys.argv[1] == "standalone":
|
---|
750 | import SocketServer
|
---|
751 | import CGIHTTPServer
|
---|
752 | # CGI does not go backward, little hack to get ourself in the right working directory.
|
---|
753 | os.chdir(os.path.dirname(__file__) + '/..')
|
---|
754 | try:
|
---|
755 | PORT = int(sys.argv[2])
|
---|
756 | except (IndexError,ValueError):
|
---|
757 | PORT = 8000
|
---|
758 |
|
---|
759 | class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
|
---|
760 | """ Serve this CGI from the root of the webserver """
|
---|
761 | def is_cgi(self):
|
---|
762 | if "favicon" in self.path:
|
---|
763 | return False
|
---|
764 |
|
---|
765 | self.cgi_info = (__file__, self.path)
|
---|
766 | self.path = ''
|
---|
767 | return True
|
---|
768 | handler = MyCGIHTTPRequestHandler
|
---|
769 | SocketServer.TCPServer.allow_reuse_address = True
|
---|
770 | httpd = SocketServer.TCPServer(("", PORT), handler)
|
---|
771 | httpd.server_name = 'localhost'
|
---|
772 | httpd.server_port = PORT
|
---|
773 |
|
---|
774 | logger.info("serving at port %s", PORT)
|
---|
775 | try:
|
---|
776 | httpd.serve_forever()
|
---|
777 | except KeyboardInterrupt:
|
---|
778 | httpd.shutdown()
|
---|
779 | logger.info("All done goodbye")
|
---|
780 | elif sys.argv[1] == "test":
|
---|
781 | os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
|
---|
782 | os.environ['SCRIPT_NAME'] = __file__
|
---|
783 | process_cgi_request()
|
---|
784 | elif sys.argv[1] == "static":
|
---|
785 | items = dict()
|
---|
786 | for node in get_hostlist():
|
---|
787 | items['node'] = node
|
---|
788 | items['wdir'] = "./static/%(node)s" % items
|
---|
789 | if not os.path.isdir(items['wdir']):
|
---|
790 | os.makedirs(items['wdir'])
|
---|
791 | datadump = get_yaml(node)
|
---|
792 | for config in files:
|
---|
793 | items['config'] = config
|
---|
794 | logger.info("## Generating %(node)s %(config)s" % items)
|
---|
795 | f = open("%(wdir)s/%(config)s" % items, "w")
|
---|
796 | f.write(generate_config(node, config, datadump))
|
---|
797 | f.close()
|
---|
798 | elif sys.argv[1] == "wind-export":
|
---|
799 | items = dict()
|
---|
800 | for node in get_hostlist():
|
---|
801 | datadump = get_yaml(node)
|
---|
802 | sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
|
---|
803 | VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
|
---|
804 | sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
|
---|
805 | VALUES (
|
---|
806 | (SELECT id FROM users WHERE username = 'rvdzwet'),
|
---|
807 | (SELECT id FROM nodes WHERE name = '%(nodename)s'),
|
---|
808 | 'Y');""" % datadump
|
---|
809 | #for config in files:
|
---|
810 | # items['config'] = config
|
---|
811 | # print "## Generating %(node)s %(config)s" % items
|
---|
812 | # f = open("%(wdir)s/%(config)s" % items, "w")
|
---|
813 | # f.write(generate_config(node, config, datadump))
|
---|
814 | # f.close()
|
---|
815 | for node in get_hostlist():
|
---|
816 | datadump = get_yaml(node)
|
---|
817 | for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
|
---|
818 | ifacedump = datadump[iface_key]
|
---|
819 | if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
|
---|
820 | ifacedump['nodename'] = datadump['nodename']
|
---|
821 | if not ifacedump.has_key('channel') or not ifacedump['channel']:
|
---|
822 | ifacedump['channel'] = 0
|
---|
823 | sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
|
---|
824 | VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
|
---|
825 | '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
|
---|
826 | elif sys.argv[1] == "full-export":
|
---|
827 | hosts = {}
|
---|
828 | for node in get_hostlist():
|
---|
829 | datadump = get_yaml(node)
|
---|
830 | hosts[datadump['nodename']] = datadump
|
---|
831 | print yaml.dump(hosts)
|
---|
832 |
|
---|
833 | elif sys.argv[1] == "dns":
|
---|
834 | make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns')
|
---|
835 | elif sys.argv[1] == "cleanup":
|
---|
836 | # First generate all datadumps
|
---|
837 | datadumps = dict()
|
---|
838 | for host in get_hostlist():
|
---|
839 | logger.info("# Processing: %s", host)
|
---|
840 | datadump = get_yaml(host)
|
---|
841 | datadumps[get_fqdn(datadump)] = datadump
|
---|
842 |
|
---|
843 | datadump['latitude'], datadump['longitude'] = rdnap.rd2etrs(datadump['rdnap_x'], datadump['rdnap_y'])
|
---|
844 | write_yaml(host, datadump)
|
---|
845 | elif sys.argv[1] == "list":
|
---|
846 | if sys.argv[2] == "nodes":
|
---|
847 | systems = get_nodelist()
|
---|
848 | elif sys.argv[2] == "proxies":
|
---|
849 | systems = get_proxylist()
|
---|
850 | else:
|
---|
851 | usage()
|
---|
852 | for system in systems:
|
---|
853 | datadump = get_yaml(system)
|
---|
854 | if datadump['status'] == "up":
|
---|
855 | print system
|
---|
856 | else:
|
---|
857 | usage()
|
---|
858 | else:
|
---|
859 | cgitb.enable()
|
---|
860 | process_cgi_request()
|
---|
861 |
|
---|
862 |
|
---|
863 | if __name__ == "__main__":
|
---|
864 | main()
|
---|