source: genesis/tools/gformat.py@ 10162

Last change on this file since 10162 was 10162, checked in by rick, 13 years ago

a) Fix IP assignment for wlan0.

b) fixed IP assignment for normal aliases.
  • Property svn:executable set to *
  • Property svn:keywords set to Id
File size: 31.3 KB
RevLine 
[8242]1#!/usr/bin/env python
2#
3# vim:ts=2:et:sw=2:ai
4# Wireless Leiden configuration generator, based on yaml files'
[9957]5#
6# XXX: This should be rewritten to make use of the ipaddr.py library.
7#
[10058]8# Sample apache configuration (mind the AcceptPathInfo!)
9# ScriptAlias /wleiden/config /usr/local/www/genesis/tools/gformat.py
10# <Directory /usr/local/www/genesis>
11# Allow from all
12# AcceptPathInfo On
13# </Directory>
14#
[8242]15# Rick van der Zwet <info@rickvanderzwet.nl>
[9957]16#
[8622]17
18# Hack to make the script directory is also threated as a module search path.
19import sys
20import os
[9286]21import re
[8622]22sys.path.append(os.path.dirname(__file__))
23
[8242]24import cgi
[8267]25import cgitb
26import copy
[8242]27import glob
28import socket
29import string
30import subprocess
31import time
[8622]32import rdnap
[8584]33from pprint import pprint
[8575]34try:
35 import yaml
36except ImportError, e:
37 print e
38 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
39 exit(1)
[8588]40
41try:
42 from yaml import CLoader as Loader
43 from yaml import CDumper as Dumper
44except ImportError:
45 from yaml import Loader, Dumper
46
[10110]47from jinja2 import Template
48
[9697]49import logging
50logging.basicConfig(format='# %(levelname)s: %(message)s' )
51logger = logging.getLogger()
52logger.setLevel(logging.DEBUG)
[8242]53
[9283]54
[8948]55if os.environ.has_key('CONFIGROOT'):
56 NODE_DIR = os.environ['CONFIGROOT']
57else:
[9283]58 NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
[8242]59__version__ = '$Id: gformat.py 10162 2012-03-14 14:13:19Z rick $'
60
[8267]61
[9283]62files = [
[8242]63 'authorized_keys',
64 'dnsmasq.conf',
65 'rc.conf.local',
66 'resolv.conf',
[10069]67 'motd',
[10054]68 'wleiden.yaml',
[8242]69 ]
70
[8319]71# Global variables uses
[8323]72OK = 10
73DOWN = 20
74UNKNOWN = 90
[8257]75
76
[8267]77def get_proxylist():
78 """Get all available proxies proxyX sorting based on X number"""
[10041]79 proxylist = sorted([os.path.basename(x) for x in glob.glob("%s/proxy*" % NODE_DIR)],
[8267]80 key=lambda name: int(''.join([c for c in name if c in string.digits])),
81 cmp=lambda x,y: x - y)
82 return proxylist
83
84
85
[8321]86def valid_addr(addr):
87 """ Show which address is valid in which are not """
88 return str(addr).startswith('172.')
89
90
[8267]91def get_nodelist():
92 """ Get all available nodes - sorted """
[10041]93 nodelist = sorted([os.path.basename(x) for x in glob.glob("%s/CNode*" % NODE_DIR)])
[8267]94 return nodelist
95
[8296]96def get_hostlist():
97 """ Combined hosts and proxy list"""
98 return get_nodelist() + get_proxylist()
[8267]99
[8588]100def angle_between_points(lat1,lat2,long1,long2):
[9283]101 """
[8588]102 Return Angle in radians between two GPS coordinates
103 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
104 """
105 dy = lat2 - lat1
106 dx = math.cos(math.pi/180*lat1)*(long2 - long1)
107 angle = math.atan2(dy,dx)
108 return angle
[8267]109
[8588]110def angle_to_cd(angle):
111 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
112
113 # For easy conversion get positive degree
114 degrees = math.degrees(angle)
115 if degrees < 0:
116 360 - abs(degrees)
117
118 # Numbers can be confusing calculate from the 4 main directions
119 p = 22.5
120 if degrees < p:
121 return "n"
[9283]122 elif degrees < (90 - p):
[8588]123 return "no"
[9283]124 elif degrees < (90 + p):
[8588]125 return "o"
[9283]126 elif degrees < (180 - p):
[8588]127 return "zo"
[9283]128 elif degrees < (180 + p):
[8588]129 return "z"
[9283]130 elif degrees < (270 - p):
[8588]131 return "zw"
[9283]132 elif degrees < (270 + p):
[8588]133 return "w"
[9283]134 elif degrees < (360 - p):
[8588]135 return "nw"
136 else:
137 return "n"
138
139
[8267]140def generate_title(nodelist):
[8257]141 """ Main overview page """
[9283]142 items = {'root' : "." }
[8267]143 output = """
[8257]144<html>
145 <head>
146 <title>Wireless leiden Configurator - GFormat</title>
147 <style type="text/css">
148 th {background-color: #999999}
149 tr:nth-child(odd) {background-color: #cccccc}
150 tr:nth-child(even) {background-color: #ffffff}
151 th, td {padding: 0.1em 1em}
152 </style>
153 </head>
154 <body>
155 <center>
[8259]156 <form type="GET" action="%(root)s">
[8257]157 <input type="hidden" name="action" value="update">
158 <input type="submit" value="Update Configuration Database (SVN)">
159 </form>
160 <table>
161 <caption><h3>Wireless Leiden Configurator</h3></caption>
162 """ % items
[8242]163
[8296]164 for node in nodelist:
[8257]165 items['node'] = node
[8267]166 output += '<tr><td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items
[8257]167 for config in files:
168 items['config'] = config
[8267]169 output += '<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items
170 output += "</tr>"
171 output += """
[8257]172 </table>
173 <hr />
174 <em>%s</em>
175 </center>
176 </body>
177</html>
178 """ % __version__
[8242]179
[8267]180 return output
[8257]181
182
[8267]183
184def generate_node(node):
[8257]185 """ Print overview of all files available for node """
[8267]186 return "\n".join(files)
[8242]187
[8257]188
189
[8242]190def generate_header(ctag="#"):
191 return """\
[9283]192%(ctag)s
[8242]193%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
194%(ctag)s Generated at %(date)s by %(host)s
[9283]195%(ctag)s
[8242]196""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname() }
197
[8257]198
199
[8242]200def parseaddr(s):
[8257]201 """ Process IPv4 CIDR notation addr to a (binary) number """
[8242]202 f = s.split('.')
203 return (long(f[0]) << 24L) + \
204 (long(f[1]) << 16L) + \
205 (long(f[2]) << 8L) + \
206 long(f[3])
207
[8257]208
209
[8242]210def showaddr(a):
[8257]211 """ Display IPv4 addr in (dotted) CIDR notation """
[8242]212 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
213
[8257]214
[8584]215def is_member(ip, mask, canidate):
216 """ Return True if canidate is part of ip/mask block"""
217 ip_addr = gformat.parseaddr(ip)
218 ip_canidate = gformat.parseaddr(canidate)
219 mask = int(mask)
220 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
221 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
222 return ip_addr == ip_canidate
[8257]223
[8584]224
225
[9283]226
[8242]227def netmask2subnet(netmask):
[8257]228 """ Given a 'netmask' return corresponding CIDR """
[8242]229 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
230
[8257]231
232
[8242]233def generate_dnsmasq_conf(datadump):
[8257]234 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
[8242]235 output = generate_header()
236 output += """\
[9283]237# DHCP server options
[8242]238dhcp-authoritative
239dhcp-fqdn
240domain=dhcp.%(nodename_lower)s.%(domain)s
241domain-needed
242expand-hosts
[10120]243log-async=100
[8242]244
245# Low memory footprint
246cache-size=10000
247 \n""" % datadump
248
249 for iface_key in datadump['iface_keys']:
[8262]250 if not datadump[iface_key].has_key('comment'):
251 datadump[iface_key]['comment'] = None
252 output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
[8242]253
254 try:
[8257]255 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
[8242]256 (ip, netmask) = datadump[iface_key]['ip'].split('/')
257 datadump[iface_key]['subnet'] = netmask2subnet(netmask)
[8262]258 except (AttributeError, ValueError):
[8242]259 output += "# not autoritive\n\n"
260 continue
261
262 dhcp_part = ".".join(ip.split('.')[0:3])
263 datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
264 datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
265 output += "dhcp-range=%(interface)s,%(dhcp_start)s,%(dhcp_stop)s,%(subnet)s,24h\n\n" % datadump[iface_key]
[9283]266
[8242]267 return output
268
[8257]269
270
[8242]271def generate_rc_conf_local(datadump):
[8257]272 """ Generate configuration file '/etc/rc.conf.local' """
[10112]273 datadump['autogen_ileiden_enable'] = 'yes' if datadump['ileiden'] else 'no'
[10110]274
[10112]275 ileiden_proxies = []
276 for proxy in get_proxylist():
277 proxydump = get_yaml(proxy)
278 if proxydump['ileiden']:
279 ileiden_proxies.append(proxydump)
280 datadump['autogen_ileiden_proxies'] = ','.join([x['masterip'] for x in ileiden_proxies])
281 datadump['autogen_ileiden_proxies_names'] = ','.join([x['autogen_item'] for x in ileiden_proxies])
282
[8242]283 output = generate_header("#");
[10110]284 output += Template("""\
285hostname='{{ autogen_fqdn }}.{{ domain }}'
286location='{{ location }}'
287nodetype="{{ nodetype }}"
[9283]288
[10110]289{% if tproxy -%}
[8242]290tproxy_enable='YES'
[10110]291tproxy_range='{{ tproxy }}'
292{% else -%}
293tproxy_enable='NO'
294{% endif -%}
[9283]295
[10110]296{% if nodetype == "Proxy" %}
[10054]297#
298# PROXY Configuration
299#
300sshtun_enable="YES"
[10110]301sshtun_flags="-R 22{{ "%02i"|format(proxyid) }}:localhost:22"
[10053]302
[10054]303static_routes="wleiden"
[10110]304route_wleiden="-net 172.16.0.0/12 {{ internalroute }}"
305{% if gateway -%}
306defaultrouter="{{ gateway }}"
307{% else -%}
308#defaultrouter="NOTSET"
309{% endif -%}
[10053]310
[10110]311internalif="{{ internalif }}"
[10054]312
313# PROXY iLeiden Configuration
[10112]314lvrouted_enable="{{ autogen_ileiden_enable }}"
315lvrouted_flags="-u -s s00p3rs3kr3t -m 28"
316ileiden_enable="{{ autogen_ileiden_enable }}"
317gateway_enable="{{ autogen_ileiden_enable }}"
318firewall_enable="{{ autogen_ileiden_enable }}"
[10054]319firewall_script="/etc/ipfw.sh"
[10112]320firewall_nat_enable="{{ autogen_ileiden_enable }}"
[10110]321{% endif -%}
[10054]322
[10110]323{% if nodetype == "CNode" %}
[10112]324#
[10054]325# NODE iLeiden Configuration
[10112]326#
327# iLeiden Proxies {{ autogen_ileiden_proxies_names }}
328lvrouted_flags="-u -s s00p3rs3kr3t -m 28 -z {{ autogen_ileiden_proxies }}"
329
[10054]330captive_portal_whitelist=""
[10110]331captive_portal_interfaces="{{ autogen_dhcp_interfaces }}"
332{% endif %}
[10054]333
[10110]334""").render(datadump)
335
[8242]336 # lo0 configuration:
337 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
[9283]338 # - masterip is special as it needs to be assigned to at
[8242]339 # least one interface, so if not used assign to lo0
[9808]340 addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
[9283]341 iface_map = {'lo0' : 'lo0'}
[8242]342
[8297]343 masterip_used = False
344 for iface_key in datadump['iface_keys']:
345 if datadump[iface_key]['ip'].startswith(datadump['masterip']):
346 masterip_used = True
347 break
[9283]348 if not masterip_used:
[10108]349 addrs_list['lo0'].append((datadump['masterip'] + "/32", 'Master IP Not used in interface'))
[8297]350
[8242]351 for iface_key in datadump['iface_keys']:
352 ifacedump = datadump[iface_key]
[10162]353 ifname = ifacedump['autogen_ifname']
[8242]354
355 # Add interface IP to list
[9808]356 item = (ifacedump['ip'], ifacedump['desc'])
[10162]357 if addrs_list.has_key(ifname):
358 addrs_list[ifname].append(item)
[8242]359 else:
[10162]360 addrs_list[ifname] = [item]
[8242]361
362 # Alias only needs IP assignment for now, this might change if we
363 # are going to use virtual accesspoints
364 if "alias" in iface_key:
365 continue
366
367 # XXX: Might want to deduct type directly from interface name
368 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
369 # Default to station (client) mode
370 ifacedump['wlanmode'] = "sta"
[8274]371 if ifacedump['mode'] in ['master', 'master-wds']:
[8242]372 ifacedump['wlanmode'] = "ap"
373 # Default to 802.11b mode
374 ifacedump['mode'] = '11b'
375 if ifacedump['type'] in ['11a', '11b' '11g']:
[9283]376 ifacedump['mode'] = ifacedump['type']
[8242]377
378 if not ifacedump.has_key('channel'):
379 if ifacedump['type'] == '11a':
380 ifacedump['channel'] = 36
381 else:
382 ifacedump['channel'] = 1
383
384 # Allow special hacks at the back like wds and stuff
385 if not ifacedump.has_key('extra'):
386 ifacedump['extra'] = 'regdomain ETSI country NL'
387
[10054]388 output += "wlans_%(interface)s='%(autogen_ifname)s'\n" % ifacedump
389 output += ("create_args_%(autogen_ifname)s='wlanmode %(wlanmode)s mode " +\
[8274]390 "%(mode)s ssid %(ssid)s %(extra)s channel %(channel)s'\n") % ifacedump
[9283]391
[8242]392 elif ifacedump['type'] in ['ethernet', 'eth']:
393 # No special config needed besides IP
394 pass
395 else:
396 assert False, "Unknown type " + ifacedump['type']
397
[9283]398 # Print IP address which needs to be assigned over here
[8242]399 output += "\n"
400 for iface,addrs in sorted(addrs_list.iteritems()):
[10079]401 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
[9808]402 output += "# %s || %s || %s\n" % (iface, addr, comment)
[10162]403 output += "ipv4_addrs_%s='%s'\n\n" % (iface, " ".join([x[0] for x in addrs]))
[8242]404
405 return output
406
[8257]407
408
[8242]409def get_yaml(item):
[8257]410 """ Get configuration yaml for 'item'"""
[9284]411 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
[8242]412
413 f = open(gfile, 'r')
[8588]414 datadump = yaml.load(f,Loader=Loader)
[10052]415 datadump['autogen_iface_keys'] = get_interface_keys(datadump)
[10054]416
417 wlan_count=0
418 for key in datadump['autogen_iface_keys']:
419 if datadump[key]['type'] in ['11a', '11b', '11g', 'wireless']:
420 datadump[key]['autogen_ifname'] = 'wlan%i' % wlan_count
421 wlan_count += 1
422 else:
[10162]423 datadump[key]['autogen_ifname'] = datadump[key]['interface'].split(':')[0]
[10054]424
425
426 dhcp_interfaces = [datadump[key]['autogen_ifname'] for key in datadump['autogen_iface_keys'] if datadump[key]['dhcp'] != 'no']
427 datadump['autogen_dhcp_interfaces'] = ' '.join(dhcp_interfaces)
[10053]428 datadump['autogen_item'] = item
[10054]429 datadump['autogen_fqdn'] = get_fqdn(datadump)
[8242]430 f.close()
431
432 return datadump
433
[10074]434def store_yaml(datadump, header=False):
[8588]435 """ Store configuration yaml for 'item'"""
[10053]436 item = datadump['autogen_item']
[9284]437 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
[8257]438
[8588]439 f = open(gfile, 'w')
[10067]440 f.write(generate_wleiden_yaml(datadump, header))
[8588]441 f.close()
[8257]442
[8588]443
444
[8317]445def get_all_configs():
446 """ Get dict with key 'host' with all configs present """
447 configs = dict()
448 for host in get_hostlist():
449 datadump = get_yaml(host)
450 configs[host] = datadump
451 return configs
452
453
[8319]454def get_interface_keys(config):
455 """ Quick hack to get all interface keys, later stage convert this to a iterator """
[10054]456 return sorted([elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)])
[8317]457
[8319]458
[8317]459def get_used_ips(configs):
460 """ Return array of all IPs used in config files"""
461 ip_list = []
[8319]462 for config in configs:
[8317]463 ip_list.append(config['masterip'])
[8319]464 for iface_key in get_interface_keys(config):
[8317]465 l = config[iface_key]['ip']
466 addr, mask = l.split('/')
467 # Special case do not process
[8332]468 if valid_addr(addr):
469 ip_list.append(addr)
470 else:
[9728]471 logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
[8317]472 return sorted(ip_list)
473
474
475
[8242]476def generate_resolv_conf(datadump):
[8257]477 """ Generate configuration file '/etc/resolv.conf' """
[8242]478 output = generate_header("#");
479 output += """\
480search wleiden.net
481# Try local (cache) first
482nameserver 127.0.0.1
[10053]483"""
484 if datadump['nodetype'] == 'Proxy':
485 output += """\
486nameserver 8.8.8.8 # Google Public NameServer
487nameserver 8.8.4.4 # Google Public NameServer
488"""
489 else:
490 output += """\
[9283]491# Proxies are recursive nameservers
[8242]492# needs to be in resolv.conf for dnsmasq as well
493""" % datadump
[10053]494 for proxy in get_proxylist():
495 proxy_ip = get_yaml(proxy)['masterip']
496 output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
[9283]497
[8242]498 return output
499
[10069]500def generate_motd(datadump):
501 """ Generate configuration file '/etc/motd' """
502 output = """\
503FreeBSD 9.0-RELEASE (kernel.wleiden) #0 r230587: Sun Jan 29 17:09:57 CET 2012
[8242]504
[10069]505 WWW: %(autogen_fqdn)s.wleiden.net - http://www.wirelessleiden.nl
[10113]506 Loc: %(location)s
[8257]507
[10069]508Interlinks:
509""" % datadump
510
511 # XXX: This is a hacky way to get the required data
512 for line in generate_rc_conf_local(datadump).split('\n'):
513 if '||' in line and not line[1:].split()[0] in ['lo0', 'ath0'] :
514 output += " - %s \n" % line[1:]
515 output += """\
516Attached bridges:
517"""
518 for iface_key in datadump['autogen_iface_keys']:
519 ifacedump = datadump[iface_key]
520 if ifacedump.has_key('ns_ip'):
521 output += " - %(interface)s || %(mode)s || %(ns_ip)s\n" % ifacedump
522
523 return output
524
525
[8267]526def format_yaml_value(value):
527 """ Get yaml value in right syntax for outputting """
528 if isinstance(value,str):
[10049]529 output = '"%s"' % value
[8267]530 else:
531 output = value
[9283]532 return output
[8267]533
534
535
536def format_wleiden_yaml(datadump):
[8242]537 """ Special formatting to ensure it is editable"""
[9283]538 output = "# Genesis config yaml style\n"
[8262]539 output += "# vim:ts=2:et:sw=2:ai\n"
[8242]540 output += "#\n"
541 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
542 for key in sorted(set(datadump.keys()) - set(iface_keys)):
[8267]543 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
[9283]544
[8242]545 output += "\n\n"
[9283]546
[8272]547 key_order = [ 'comment', 'interface', 'ip', 'desc', 'sdesc', 'mode', 'type',
548 'extra_type', 'channel', 'ssid', 'dhcp' ]
549
[8242]550 for iface_key in sorted(iface_keys):
551 output += "%s:\n" % iface_key
[8272]552 for key in key_order + list(sorted(set(datadump[iface_key].keys()) - set(key_order))):
553 if datadump[iface_key].has_key(key):
[9283]554 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
[8242]555 output += "\n\n"
556
557 return output
558
559
[8257]560
[10067]561def generate_wleiden_yaml(datadump, header=True):
[8267]562 """ Generate (petty) version of wleiden.yaml"""
[10053]563 for key in datadump.keys():
564 if key.startswith('autogen_'):
565 del datadump[key]
[10054]566 # Interface autogen cleanups
567 elif type(datadump[key]) == dict:
568 for key2 in datadump[key].keys():
569 if key2.startswith('autogen_'):
570 del datadump[key][key2]
571
[10067]572 output = generate_header("#") if header else ''
[8267]573 output += format_wleiden_yaml(datadump)
574 return output
575
576
[8588]577def generate_yaml(datadump):
578 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
[8267]579
[8588]580
[9283]581
[8298]582def generate_config(node, config, datadump=None):
[8257]583 """ Print configuration file 'config' of 'node' """
[8267]584 output = ""
[8242]585 try:
586 # Load config file
[8298]587 if datadump == None:
588 datadump = get_yaml(node)
[9283]589
[8267]590 # Preformat certain needed variables for formatting and push those into special object
591 datadump_extra = copy.deepcopy(datadump)
592 if not datadump_extra.has_key('domain'):
593 datadump_extra['domain'] = 'wleiden.net'
594 datadump_extra['nodename_lower'] = datadump_extra['nodename'].lower()
595 datadump_extra['iface_keys'] = sorted([elem for elem in datadump.keys() if elem.startswith('iface_')])
596
[8242]597 if config == 'wleiden.yaml':
[8267]598 output += generate_wleiden_yaml(datadump)
599 elif config == 'authorized_keys':
[10051]600 f = open(os.path.join(NODE_DIR,"global_keys"), 'r')
[8267]601 output += f.read()
[8242]602 f.close()
603 elif config == 'dnsmasq.conf':
[8267]604 output += generate_dnsmasq_conf(datadump_extra)
[8242]605 elif config == 'rc.conf.local':
[8267]606 output += generate_rc_conf_local(datadump_extra)
[8242]607 elif config == 'resolv.conf':
[8267]608 output += generate_resolv_conf(datadump_extra)
[10069]609 elif config == 'motd':
610 output += generate_motd(datadump_extra)
[8242]611 else:
[9283]612 assert False, "Config not found!"
[8242]613 except IOError, e:
[8267]614 output += "[ERROR] Config file not found"
615 return output
[8242]616
617
[8257]618
[8258]619def process_cgi_request():
620 """ When calling from CGI """
621 # Update repository if requested
622 form = cgi.FieldStorage()
623 if form.getvalue("action") == "update":
[8259]624 print "Refresh: 5; url=."
[8258]625 print "Content-type:text/plain\r\n\r\n",
626 print "[INFO] Updating subverion, please wait..."
[10143]627 print subprocess.Popen(['svn', 'cleanup', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
[10071]628 print subprocess.Popen(['svn', 'up', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
[8258]629 print "[INFO] All done, redirecting in 5 seconds"
630 sys.exit(0)
[9283]631
632
[8258]633 uri = os.environ['PATH_INFO'].strip('/').split('/')
[8267]634 output = ""
[8258]635 if not uri[0]:
[10070]636 if is_text_request():
[10060]637 output += "Content-type:text/plain\r\n\r\n"
638 output += '\n'.join(get_hostlist())
639 else:
640 output += "Content-type:text/html\r\n\r\n"
641 output += generate_title(get_hostlist())
[8258]642 elif len(uri) == 1:
[8267]643 output += "Content-type:text/plain\r\n\r\n"
644 output += generate_node(uri[0])
[8258]645 elif len(uri) == 2:
[8267]646 output += "Content-type:text/plain\r\n\r\n"
647 output += generate_config(uri[0], uri[1])
[8258]648 else:
649 assert False, "Invalid option"
[8267]650 print output
[8242]651
[8588]652def get_fqdn(datadump):
653 # Proxy naming convention is special
654 if datadump['nodetype'] == 'Proxy':
655 fqdn = datadump['nodename']
656 else:
657 # By default the full name is listed and also a shortname CNAME for easy use.
658 fqdn = datadump['nodetype'] + datadump['nodename']
659 return(fqdn)
[8259]660
[9283]661
662
[9284]663def make_dns(output_dir = 'dns'):
[8588]664 items = dict()
[8598]665
[8588]666 # hostname is key, IP is value
667 wleiden_zone = dict()
668 wleiden_cname = dict()
[8598]669
[8588]670 pool = dict()
671 for node in get_hostlist():
[9697]672 logger.info("Processing host %s", node)
[8588]673 datadump = get_yaml(node)
[9283]674
[8588]675 # Proxy naming convention is special
676 fqdn = get_fqdn(datadump)
677 if datadump['nodetype'] == 'CNode':
678 wleiden_cname[datadump['nodename']] = fqdn
679
680 wleiden_zone[fqdn] = datadump['masterip']
681
[8598]682 # Hacking to get proper DHCP IPs and hostnames
[8588]683 for iface_key in get_interface_keys(datadump):
[8598]684 iface_name = datadump[iface_key]['interface'].replace(':',"-alias-")
[8588]685 (ip, netmask) = datadump[iface_key]['ip'].split('/')
686 try:
687 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
688 datadump[iface_key]['subnet'] = netmask2subnet(netmask)
689 dhcp_part = ".".join(ip.split('.')[0:3])
690 if ip != datadump['masterip']:
691 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)] = ip
692 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
693 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)] = "%s.%s" % (dhcp_part, i)
694 except (AttributeError, ValueError):
695 # First push it into a pool, to indentify the counter-part later on
696 addr = parseaddr(ip)
697 netmask = int(netmask)
698 addr = addr & ~((1 << (32 - netmask)) - 1)
[9283]699 if pool.has_key(addr):
[8588]700 pool[addr] += [(iface_name, fqdn, ip)]
[9283]701 else:
[8588]702 pool[addr] = [(iface_name, fqdn, ip)]
703 continue
704
[9286]705
706 def pool_to_name(node, pool_members):
707 """Convert the joined name to a usable pool name"""
708
709 # Get rid of the own entry
710 pool_members = list(set(pool_members) - set([fqdn]))
711
712 target = oldname = ''
713 for node in sorted(pool_members):
714 (name, number) = re.match('^([A-Za-z]+)([0-9]*)$',node).group(1,2)
715 target += "-" + number if name == oldname else "-" + node if target else node
716 oldname = name
717
718 return target
719
720
[9957]721 # WL uses an /29 to configure an interface. IP's are ordered like this:
[9958]722 # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
[9957]723
724 sn = lambda x: re.sub(r'(?i)^cnode','',x)
725
[8598]726 # Automatic naming convention of interlinks namely 2 + remote.lower()
[8588]727 for (key,value) in pool.iteritems():
[9958]728 # Make sure they are sorted from low-ip to high-ip
729 value = sorted(value, key=lambda x: parseaddr(x[2]))
730
[8588]731 if len(value) == 1:
732 (iface_name, fqdn, ip) = value[0]
733 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)] = ip
[9957]734
735 # Device DNS names
736 if 'cnode' in fqdn.lower():
737 wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)] = showaddr(parseaddr(ip) + 1)
738 wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % (iface_name, fqdn)
739
[8588]740 elif len(value) == 2:
741 (a_iface_name, a_fqdn, a_ip) = value[0]
742 (b_iface_name, b_fqdn, b_ip) = value[1]
743 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)] = a_ip
744 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)] = b_ip
[9957]745
746 # Device DNS names
747 if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
748 wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)] = showaddr(parseaddr(a_ip) + 1)
[9958]749 wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)] = showaddr(parseaddr(b_ip) - 1)
[9957]750 wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
751 wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
752 wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
753 wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
754
[8588]755 else:
756 pool_members = [k[1] for k in value]
757 for item in value:
[9283]758 (iface_name, fqdn, ip) = item
[9286]759 pool_name = "2pool-" + showaddr(key).replace('.','-') + "-" + pool_to_name(fqdn,pool_members)
[8588]760 wleiden_zone["%s.%s" % (pool_name, fqdn)] = ip
[8598]761
762 # Include static DNS entries
763 # XXX: Should they override the autogenerated results?
764 # XXX: Convert input to yaml more useable.
765 # Format:
766 ##; this is a comment
767 ## roomburgh=CNodeRoomburgh1
768 ## apkerk1.CNodeVosko=172.17.176.8 ;this as well
[9284]769 dns = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
[9938]770
771 # Hack to allow special entries, for development
772 wleiden_raw = dns['raw']
773 del dns['raw']
774
[8622]775 for comment, block in dns.iteritems():
776 for k,v in block.iteritems():
[8598]777 if valid_addr(v):
778 wleiden_zone[k] = v
779 else:
780 wleiden_cname[k] = v
[9283]781
[8598]782 details = dict()
783 # 24 updates a day allowed
784 details['serial'] = time.strftime('%Y%m%d%H')
785
786 dns_header = '''
787$TTL 3h
788%(zone)s. SOA sunny.wleiden.net. beheer.lijst.wirelessleiden.nl. ( %(serial)s 1d 12h 1w 3h )
789 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
790
791 NS sunny.wleiden.net.
792 \n'''
793
[9283]794
[8598]795 if not os.path.isdir('dns'):
796 os.makedirs('dns')
797 details['zone'] = 'wleiden.net'
[9284]798 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
[8598]799 f.write(dns_header % details)
800
[8588]801 for host,ip in wleiden_zone.iteritems():
[8598]802 if valid_addr(ip):
[9283]803 f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
[8588]804 for source,dest in wleiden_cname.iteritems():
[8636]805 f.write("%s.wleiden.net. IN CNAME %s.wleiden.net.\n" % (source.lower(), dest.lower()))
[9938]806 for source, dest in wleiden_raw.iteritems():
807 f.write("%s.wleiden.net. %s\n" % (source, dest))
[8588]808 f.close()
[9283]809
[8598]810 # Create whole bunch of specific sub arpa zones. To keep it compliant
811 for s in range(16,32):
812 details['zone'] = '%i.172.in-addr.arpa' % s
[9284]813 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
[8598]814 f.write(dns_header % details)
[8588]815
[8598]816 #XXX: Not effient, fix to proper data structure and do checks at other
817 # stages
818 for host,ip in wleiden_zone.iteritems():
819 if valid_addr(ip):
820 if int(ip.split('.')[1]) == s:
821 rev_ip = '.'.join(reversed(ip.split('.')))
[9283]822 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
[8598]823 f.close()
[8588]824
[8598]825
[8259]826def usage():
[8598]827 print """Usage: %s <standalone [port] |test [test arguments]|static|dns>
[8259]828Examples:
[9284]829\tdns [outputdir] = Generate BIND compliant zone files in dns.
[8259]830\tstandalone = Run configurator webserver [default port=8000]
[9589]831\twind-export = Generate SQL import scripts for WIND database
832\tfull-export = Generate yaml export script for heatmap.
[8296]833\tstatic = Generate all config files and store on disk
834\t with format ./static/%%NODE%%/%%FILE%%
[9283]835\ttest CNodeRick dnsmasq.conf = Receive output of CGI script
[8259]836\t for arguments CNodeRick/dnsmasq.conf
[9971]837\tlist <nodes|proxies> = List systems which marked up.
[8259]838"""
839 exit(0)
840
841
[10070]842def is_text_request():
[10107]843 """ Find out whether we are calling from the CLI or any text based CLI utility """
844 try:
845 return os.environ['HTTP_USER_AGENT'].split()[0] in ['curl', 'fetch', 'wget']
846 except KeyError:
847 return True
[8259]848
[8267]849def main():
850 """Hard working sub"""
851 # Allow easy hacking using the CLI
852 if not os.environ.has_key('PATH_INFO'):
853 if len(sys.argv) < 2:
854 usage()
[9283]855
[8267]856 if sys.argv[1] == "standalone":
857 import SocketServer
858 import CGIHTTPServer
[10105]859 # Hop to the right working directory.
860 os.chdir(os.path.dirname(__file__))
[8267]861 try:
862 PORT = int(sys.argv[2])
863 except (IndexError,ValueError):
864 PORT = 8000
[9283]865
[8267]866 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
867 """ Serve this CGI from the root of the webserver """
868 def is_cgi(self):
869 if "favicon" in self.path:
870 return False
[9283]871
[8267]872 self.cgi_info = (__file__, self.path)
873 self.path = ''
874 return True
875 handler = MyCGIHTTPRequestHandler
[9807]876 SocketServer.TCPServer.allow_reuse_address = True
[8267]877 httpd = SocketServer.TCPServer(("", PORT), handler)
878 httpd.server_name = 'localhost'
879 httpd.server_port = PORT
[9283]880
[9728]881 logger.info("serving at port %s", PORT)
[8860]882 try:
883 httpd.serve_forever()
884 except KeyboardInterrupt:
885 httpd.shutdown()
[9728]886 logger.info("All done goodbye")
[8267]887 elif sys.argv[1] == "test":
888 os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
889 os.environ['SCRIPT_NAME'] = __file__
890 process_cgi_request()
[10107]891 elif sys.argv[1] == "unit-test":
892 os.environ['SCRIPT_NAME'] = __file__
893 for host in get_hostlist():
894 for outfile in files:
895 os.environ['PATH_INFO'] = "/".join([host,outfile])
896 try:
897 process_cgi_request()
898 except Exception:
899 print "# ERROR: %s" % os.environ['PATH_INFO']
900 raise
901
902
[8296]903 elif sys.argv[1] == "static":
904 items = dict()
905 for node in get_hostlist():
906 items['node'] = node
907 items['wdir'] = "./static/%(node)s" % items
908 if not os.path.isdir(items['wdir']):
909 os.makedirs(items['wdir'])
[8298]910 datadump = get_yaml(node)
[8296]911 for config in files:
912 items['config'] = config
[9728]913 logger.info("## Generating %(node)s %(config)s" % items)
[8296]914 f = open("%(wdir)s/%(config)s" % items, "w")
[8298]915 f.write(generate_config(node, config, datadump))
[8296]916 f.close()
[9514]917 elif sys.argv[1] == "wind-export":
918 items = dict()
919 for node in get_hostlist():
920 datadump = get_yaml(node)
921 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
922 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
923 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
924 VALUES (
925 (SELECT id FROM users WHERE username = 'rvdzwet'),
926 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
927 'Y');""" % datadump
928 #for config in files:
929 # items['config'] = config
930 # print "## Generating %(node)s %(config)s" % items
931 # f = open("%(wdir)s/%(config)s" % items, "w")
932 # f.write(generate_config(node, config, datadump))
933 # f.close()
934 for node in get_hostlist():
935 datadump = get_yaml(node)
936 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
937 ifacedump = datadump[iface_key]
938 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
939 ifacedump['nodename'] = datadump['nodename']
940 if not ifacedump.has_key('channel') or not ifacedump['channel']:
941 ifacedump['channel'] = 0
942 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
943 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
944 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
[9589]945 elif sys.argv[1] == "full-export":
946 hosts = {}
947 for node in get_hostlist():
948 datadump = get_yaml(node)
949 hosts[datadump['nodename']] = datadump
950 print yaml.dump(hosts)
951
[8584]952 elif sys.argv[1] == "dns":
[9285]953 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns')
[9283]954 elif sys.argv[1] == "cleanup":
[8588]955 # First generate all datadumps
956 datadumps = dict()
957 for host in get_hostlist():
[9728]958 logger.info("# Processing: %s", host)
[8588]959 datadump = get_yaml(host)
960 datadumps[get_fqdn(datadump)] = datadump
[9283]961
[10156]962 for host,datadump in datadumps.iteritems():
[8622]963 datadump['latitude'], datadump['longitude'] = rdnap.rd2etrs(datadump['rdnap_x'], datadump['rdnap_y'])
[10156]964 for iface_key in datadump['autogen_iface_keys']:
965 # Wireless Leiden SSID have an consistent lowercase/uppercase
966 if datadump[iface_key].has_key('ssid'):
967 ssid = datadump[iface_key]['ssid']
968 prefix = 'ap-WirelessLeiden-'
969 if ssid.lower().startswith(prefix.lower()):
970 datadump[iface_key]['ssid'] = prefix + ssid[len(prefix)].upper() + ssid[len(prefix) + 1:]
[10162]971 if datadump[iface_key].has_key('ns_ip') and not datadump[iface_key].has_key('mode'):
972 datadump[iface_key]['mode'] = 'autogen-FIXME'
973 if not datadump[iface_key].has_key('desc'):
974 datadump[iface_key]['desc'] = 'autogen-FIXME'
[10074]975 store_yaml(datadump)
[9971]976 elif sys.argv[1] == "list":
977 if sys.argv[2] == "nodes":
978 systems = get_nodelist()
979 elif sys.argv[2] == "proxies":
980 systems = get_proxylist()
981 else:
982 usage()
983 for system in systems:
984 datadump = get_yaml(system)
985 if datadump['status'] == "up":
986 print system
[9283]987 else:
988 usage()
989 else:
[10070]990 # Do not enable debugging for config requests as it highly clutters the output
991 if not is_text_request():
992 cgitb.enable()
[9283]993 process_cgi_request()
994
995
996if __name__ == "__main__":
997 main()
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