source: genesis/tools/gformat.py@ 9514

Last change on this file since 9514 was 9514, checked in by rick, 13 years ago

Vieze hack of kijken of wind-export goed te maken is.
  • Property svn:executable set to *
  • Property svn:keywords set to Id
File size: 23.7 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'
5# Rick van der Zwet <info@rickvanderzwet.nl>
[8622]6
7# Hack to make the script directory is also threated as a module search path.
8import sys
9import os
[9286]10import re
[8622]11sys.path.append(os.path.dirname(__file__))
12
[8242]13import cgi
[8267]14import cgitb
15import copy
[8242]16import glob
17import socket
18import string
19import subprocess
20import time
[8622]21import rdnap
[8584]22from pprint import pprint
[8575]23try:
24 import yaml
25except ImportError, e:
26 print e
27 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
28 exit(1)
[8588]29
30try:
31 from yaml import CLoader as Loader
32 from yaml import CDumper as Dumper
33except ImportError:
34 from yaml import Loader, Dumper
35
[8242]36
[9283]37
[8948]38if os.environ.has_key('CONFIGROOT'):
39 NODE_DIR = os.environ['CONFIGROOT']
40else:
[9283]41 NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
[8242]42__version__ = '$Id: gformat.py 9514 2011-08-09 15:28:18Z rick $'
43
[8267]44
[9283]45files = [
[8242]46 'authorized_keys',
47 'dnsmasq.conf',
48 'rc.conf.local',
49 'resolv.conf',
50 'wleiden.yaml'
51 ]
52
[8319]53# Global variables uses
[8323]54OK = 10
55DOWN = 20
56UNKNOWN = 90
[8257]57
58
[8267]59def get_proxylist():
60 """Get all available proxies proxyX sorting based on X number"""
61 os.chdir(NODE_DIR)
62 proxylist = sorted(glob.glob("proxy*"),
63 key=lambda name: int(''.join([c for c in name if c in string.digits])),
64 cmp=lambda x,y: x - y)
65 return proxylist
66
67
68
[8321]69def valid_addr(addr):
70 """ Show which address is valid in which are not """
71 return str(addr).startswith('172.')
72
73
[8267]74def get_nodelist():
75 """ Get all available nodes - sorted """
76 os.chdir(NODE_DIR)
77 nodelist = sorted(glob.glob("CNode*"))
78 return nodelist
79
[8296]80def get_hostlist():
81 """ Combined hosts and proxy list"""
82 return get_nodelist() + get_proxylist()
[8267]83
[8588]84def angle_between_points(lat1,lat2,long1,long2):
[9283]85 """
[8588]86 Return Angle in radians between two GPS coordinates
87 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
88 """
89 dy = lat2 - lat1
90 dx = math.cos(math.pi/180*lat1)*(long2 - long1)
91 angle = math.atan2(dy,dx)
92 return angle
[8267]93
[8588]94def angle_to_cd(angle):
95 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
96
97 # For easy conversion get positive degree
98 degrees = math.degrees(angle)
99 if degrees < 0:
100 360 - abs(degrees)
101
102 # Numbers can be confusing calculate from the 4 main directions
103 p = 22.5
104 if degrees < p:
105 return "n"
[9283]106 elif degrees < (90 - p):
[8588]107 return "no"
[9283]108 elif degrees < (90 + p):
[8588]109 return "o"
[9283]110 elif degrees < (180 - p):
[8588]111 return "zo"
[9283]112 elif degrees < (180 + p):
[8588]113 return "z"
[9283]114 elif degrees < (270 - p):
[8588]115 return "zw"
[9283]116 elif degrees < (270 + p):
[8588]117 return "w"
[9283]118 elif degrees < (360 - p):
[8588]119 return "nw"
120 else:
121 return "n"
122
123
[8267]124def generate_title(nodelist):
[8257]125 """ Main overview page """
[9283]126 items = {'root' : "." }
[8267]127 output = """
[8257]128<html>
129 <head>
130 <title>Wireless leiden Configurator - GFormat</title>
131 <style type="text/css">
132 th {background-color: #999999}
133 tr:nth-child(odd) {background-color: #cccccc}
134 tr:nth-child(even) {background-color: #ffffff}
135 th, td {padding: 0.1em 1em}
136 </style>
137 </head>
138 <body>
139 <center>
[8259]140 <form type="GET" action="%(root)s">
[8257]141 <input type="hidden" name="action" value="update">
142 <input type="submit" value="Update Configuration Database (SVN)">
143 </form>
144 <table>
145 <caption><h3>Wireless Leiden Configurator</h3></caption>
146 """ % items
[8242]147
[8296]148 for node in nodelist:
[8257]149 items['node'] = node
[8267]150 output += '<tr><td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items
[8257]151 for config in files:
152 items['config'] = config
[8267]153 output += '<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items
154 output += "</tr>"
155 output += """
[8257]156 </table>
157 <hr />
158 <em>%s</em>
159 </center>
160 </body>
161</html>
162 """ % __version__
[8242]163
[8267]164 return output
[8257]165
166
[8267]167
168def generate_node(node):
[8257]169 """ Print overview of all files available for node """
[8267]170 return "\n".join(files)
[8242]171
[8257]172
173
[8242]174def generate_header(ctag="#"):
175 return """\
[9283]176%(ctag)s
[8242]177%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
178%(ctag)s Generated at %(date)s by %(host)s
[9283]179%(ctag)s
[8242]180""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname() }
181
[8257]182
183
[8242]184def parseaddr(s):
[8257]185 """ Process IPv4 CIDR notation addr to a (binary) number """
[8242]186 f = s.split('.')
187 return (long(f[0]) << 24L) + \
188 (long(f[1]) << 16L) + \
189 (long(f[2]) << 8L) + \
190 long(f[3])
191
[8257]192
193
[8242]194def showaddr(a):
[8257]195 """ Display IPv4 addr in (dotted) CIDR notation """
[8242]196 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
197
[8257]198
[8584]199def is_member(ip, mask, canidate):
200 """ Return True if canidate is part of ip/mask block"""
201 ip_addr = gformat.parseaddr(ip)
202 ip_canidate = gformat.parseaddr(canidate)
203 mask = int(mask)
204 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
205 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
206 return ip_addr == ip_canidate
[8257]207
[8584]208
209
[9283]210
[8242]211def netmask2subnet(netmask):
[8257]212 """ Given a 'netmask' return corresponding CIDR """
[8242]213 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
214
[8257]215
216
[8242]217def generate_dnsmasq_conf(datadump):
[8257]218 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
[8242]219 output = generate_header()
220 output += """\
[9283]221# DHCP server options
[8242]222dhcp-authoritative
223dhcp-fqdn
224domain=dhcp.%(nodename_lower)s.%(domain)s
225domain-needed
226expand-hosts
227
228# Low memory footprint
229cache-size=10000
230 \n""" % datadump
231
232 for iface_key in datadump['iface_keys']:
[8262]233 if not datadump[iface_key].has_key('comment'):
234 datadump[iface_key]['comment'] = None
235 output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
[8242]236
237 try:
[8257]238 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
[8242]239 (ip, netmask) = datadump[iface_key]['ip'].split('/')
240 datadump[iface_key]['subnet'] = netmask2subnet(netmask)
[8262]241 except (AttributeError, ValueError):
[8242]242 output += "# not autoritive\n\n"
243 continue
244
245 dhcp_part = ".".join(ip.split('.')[0:3])
246 datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
247 datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
248 output += "dhcp-range=%(interface)s,%(dhcp_start)s,%(dhcp_stop)s,%(subnet)s,24h\n\n" % datadump[iface_key]
[9283]249
[8242]250 return output
251
[8257]252
253
[8242]254def generate_rc_conf_local(datadump):
[8257]255 """ Generate configuration file '/etc/rc.conf.local' """
[8242]256 output = generate_header("#");
257 output += """\
258hostname='%(nodetype)s%(nodename)s.%(domain)s'
[9283]259location='%(location)s'
[8242]260""" % datadump
[9283]261
[8242]262 # TProxy configuration
263 output += "\n"
264 try:
265 if datadump['tproxy']:
266 output += """\
267tproxy_enable='YES'
268tproxy_range='%(tproxy)s'
269""" % datadump
270 except KeyError:
271 output += "tproxy_enable='NO'\n"
[9283]272
[8242]273 output += '\n'
274 # lo0 configuration:
275 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
[9283]276 # - masterip is special as it needs to be assigned to at
[8242]277 # least one interface, so if not used assign to lo0
278 addrs_list = { 'lo0' : ["127.0.0.1/8", "172.31.255.1/32"] }
[9283]279 iface_map = {'lo0' : 'lo0'}
[8242]280
[8297]281 masterip_used = False
282 for iface_key in datadump['iface_keys']:
283 if datadump[iface_key]['ip'].startswith(datadump['masterip']):
284 masterip_used = True
285 break
[9283]286 if not masterip_used:
[8297]287 addrs_list['lo0'].append(datadump['masterip'] + "/32")
288
[8242]289 wlan_count = 0
290 for iface_key in datadump['iface_keys']:
291 ifacedump = datadump[iface_key]
292 interface = ifacedump['interface']
293 # By default no special interface mapping
294 iface_map[interface] = interface
295
296 # Add interface IP to list
297 if addrs_list.has_key(interface):
298 addrs_list[interface].append(ifacedump['ip'])
299 else:
300 addrs_list[interface] = [ifacedump['ip']]
301
302 # Alias only needs IP assignment for now, this might change if we
303 # are going to use virtual accesspoints
304 if "alias" in iface_key:
305 continue
306
307 # XXX: Might want to deduct type directly from interface name
308 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
309 # Create wlanX interface
[9283]310 ifacedump['wlanif'] ="wlan%i" % wlan_count
[8242]311 iface_map[interface] = ifacedump['wlanif']
312 wlan_count += 1
313
314 # Default to station (client) mode
315 ifacedump['wlanmode'] = "sta"
[8274]316 if ifacedump['mode'] in ['master', 'master-wds']:
[8242]317 ifacedump['wlanmode'] = "ap"
318 # Default to 802.11b mode
319 ifacedump['mode'] = '11b'
320 if ifacedump['type'] in ['11a', '11b' '11g']:
[9283]321 ifacedump['mode'] = ifacedump['type']
[8242]322
323 if not ifacedump.has_key('channel'):
324 if ifacedump['type'] == '11a':
325 ifacedump['channel'] = 36
326 else:
327 ifacedump['channel'] = 1
328
329 # Allow special hacks at the back like wds and stuff
330 if not ifacedump.has_key('extra'):
331 ifacedump['extra'] = 'regdomain ETSI country NL'
332
333 output += "wlans_%(interface)s='%(wlanif)s'\n" % ifacedump
334 output += ("create_args_%(wlanif)s='wlanmode %(wlanmode)s mode " +\
[8274]335 "%(mode)s ssid %(ssid)s %(extra)s channel %(channel)s'\n") % ifacedump
[9283]336
[8242]337 elif ifacedump['type'] in ['ethernet', 'eth']:
338 # No special config needed besides IP
339 pass
340 else:
341 assert False, "Unknown type " + ifacedump['type']
342
[9283]343 # Print IP address which needs to be assigned over here
[8242]344 output += "\n"
345 for iface,addrs in sorted(addrs_list.iteritems()):
346 output += "ipv4_addrs_%s='%s'\n" % (iface_map[iface], " ".join(addrs))
347
348 return output
349
[8257]350
351
[8242]352def get_yaml(item):
[8257]353 """ Get configuration yaml for 'item'"""
[9284]354 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
[8242]355
356 f = open(gfile, 'r')
[8588]357 datadump = yaml.load(f,Loader=Loader)
[8242]358 f.close()
359
360 return datadump
361
[8588]362def store_yaml(datadump):
363 """ Store configuration yaml for 'item'"""
[9284]364 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
[8257]365
[8588]366 f = open(gfile, 'w')
367 f.write(generate_wleiden_yaml(datadump))
368 f.close()
[8257]369
[8588]370
371
[8317]372def get_all_configs():
373 """ Get dict with key 'host' with all configs present """
374 configs = dict()
375 for host in get_hostlist():
376 datadump = get_yaml(host)
377 configs[host] = datadump
378 return configs
379
380
[8319]381def get_interface_keys(config):
382 """ Quick hack to get all interface keys, later stage convert this to a iterator """
383 return [elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)]
[8317]384
[8319]385
[8317]386def get_used_ips(configs):
387 """ Return array of all IPs used in config files"""
388 ip_list = []
[8319]389 for config in configs:
[8317]390 ip_list.append(config['masterip'])
[8319]391 for iface_key in get_interface_keys(config):
[8317]392 l = config[iface_key]['ip']
393 addr, mask = l.split('/')
394 # Special case do not process
[8332]395 if valid_addr(addr):
396 ip_list.append(addr)
397 else:
398 print "## IP '%s' in '%s' not valid" % (addr, config['nodename'])
[8317]399 return sorted(ip_list)
400
401
402
[8267]403def write_yaml(item, datadump):
404 """ Write configuration yaml for 'item'"""
[9284]405 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
[8267]406
407 f = open(gfile, 'w')
408 f.write(format_wleiden_yaml(datadump))
409 f.close()
410
411
412
[8242]413def generate_resolv_conf(datadump):
[8257]414 """ Generate configuration file '/etc/resolv.conf' """
[8242]415 output = generate_header("#");
416 output += """\
417search wleiden.net
418# Try local (cache) first
419nameserver 127.0.0.1
420
[9283]421# Proxies are recursive nameservers
[8242]422# needs to be in resolv.conf for dnsmasq as well
423""" % datadump
[9283]424
[8267]425 for proxy in get_proxylist():
[8242]426 proxy_ip = get_yaml(proxy)['masterip']
427 output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
428 return output
429
430
[8257]431
[8267]432def format_yaml_value(value):
433 """ Get yaml value in right syntax for outputting """
434 if isinstance(value,str):
435 output = "'%s'" % value
436 else:
437 output = value
[9283]438 return output
[8267]439
440
441
442def format_wleiden_yaml(datadump):
[8242]443 """ Special formatting to ensure it is editable"""
[9283]444 output = "# Genesis config yaml style\n"
[8262]445 output += "# vim:ts=2:et:sw=2:ai\n"
[8242]446 output += "#\n"
447 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
448 for key in sorted(set(datadump.keys()) - set(iface_keys)):
[8267]449 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
[9283]450
[8242]451 output += "\n\n"
[9283]452
[8272]453 key_order = [ 'comment', 'interface', 'ip', 'desc', 'sdesc', 'mode', 'type',
454 'extra_type', 'channel', 'ssid', 'dhcp' ]
455
[8242]456 for iface_key in sorted(iface_keys):
457 output += "%s:\n" % iface_key
[8272]458 for key in key_order + list(sorted(set(datadump[iface_key].keys()) - set(key_order))):
459 if datadump[iface_key].has_key(key):
[9283]460 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
[8242]461 output += "\n\n"
462
463 return output
464
465
[8257]466
[8267]467def generate_wleiden_yaml(datadump):
468 """ Generate (petty) version of wleiden.yaml"""
469 output = generate_header("#")
470 output += format_wleiden_yaml(datadump)
471 return output
472
473
[8588]474def generate_yaml(datadump):
475 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
[8267]476
[8588]477
[9283]478
[8298]479def generate_config(node, config, datadump=None):
[8257]480 """ Print configuration file 'config' of 'node' """
[8267]481 output = ""
[8242]482 try:
483 # Load config file
[8298]484 if datadump == None:
485 datadump = get_yaml(node)
[9283]486
[8267]487 # Preformat certain needed variables for formatting and push those into special object
488 datadump_extra = copy.deepcopy(datadump)
489 if not datadump_extra.has_key('domain'):
490 datadump_extra['domain'] = 'wleiden.net'
491 datadump_extra['nodename_lower'] = datadump_extra['nodename'].lower()
492 datadump_extra['iface_keys'] = sorted([elem for elem in datadump.keys() if elem.startswith('iface_')])
493
[8242]494 if config == 'wleiden.yaml':
[8267]495 output += generate_wleiden_yaml(datadump)
496 elif config == 'authorized_keys':
[8242]497 f = open("global_keys", 'r')
[8267]498 output += f.read()
[8242]499 f.close()
500 elif config == 'dnsmasq.conf':
[8267]501 output += generate_dnsmasq_conf(datadump_extra)
[8242]502 elif config == 'rc.conf.local':
[8267]503 output += generate_rc_conf_local(datadump_extra)
[8242]504 elif config == 'resolv.conf':
[8267]505 output += generate_resolv_conf(datadump_extra)
[8242]506 else:
[9283]507 assert False, "Config not found!"
[8242]508 except IOError, e:
[8267]509 output += "[ERROR] Config file not found"
510 return output
[8242]511
512
[8257]513
[8258]514def process_cgi_request():
515 """ When calling from CGI """
516 # Update repository if requested
517 form = cgi.FieldStorage()
518 if form.getvalue("action") == "update":
[8259]519 print "Refresh: 5; url=."
[8258]520 print "Content-type:text/plain\r\n\r\n",
521 print "[INFO] Updating subverion, please wait..."
522 print subprocess.Popen(['svn', 'up', NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
523 print "[INFO] All done, redirecting in 5 seconds"
524 sys.exit(0)
[9283]525
526
[8258]527 uri = os.environ['PATH_INFO'].strip('/').split('/')
[8267]528 output = ""
[8258]529 if not uri[0]:
[8267]530 output += "Content-type:text/html\r\n\r\n"
[8296]531 output += generate_title(get_hostlist())
[8258]532 elif len(uri) == 1:
[8267]533 output += "Content-type:text/plain\r\n\r\n"
534 output += generate_node(uri[0])
[8258]535 elif len(uri) == 2:
[8267]536 output += "Content-type:text/plain\r\n\r\n"
537 output += generate_config(uri[0], uri[1])
[8258]538 else:
539 assert False, "Invalid option"
[8267]540 print output
[8242]541
[8588]542def get_fqdn(datadump):
543 # Proxy naming convention is special
544 if datadump['nodetype'] == 'Proxy':
545 fqdn = datadump['nodename']
546 else:
547 # By default the full name is listed and also a shortname CNAME for easy use.
548 fqdn = datadump['nodetype'] + datadump['nodename']
549 return(fqdn)
[8259]550
[9283]551
552
[9284]553def make_dns(output_dir = 'dns'):
[8588]554 items = dict()
[8598]555
[8588]556 # hostname is key, IP is value
557 wleiden_zone = dict()
558 wleiden_cname = dict()
[8598]559
[8588]560 pool = dict()
561 for node in get_hostlist():
562 datadump = get_yaml(node)
[9283]563
[8588]564 # Proxy naming convention is special
565 fqdn = get_fqdn(datadump)
566 if datadump['nodetype'] == 'CNode':
567 wleiden_cname[datadump['nodename']] = fqdn
568
569 wleiden_zone[fqdn] = datadump['masterip']
570
[8598]571 # Hacking to get proper DHCP IPs and hostnames
[8588]572 for iface_key in get_interface_keys(datadump):
[8598]573 iface_name = datadump[iface_key]['interface'].replace(':',"-alias-")
[8588]574 (ip, netmask) = datadump[iface_key]['ip'].split('/')
575 try:
576 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
577 datadump[iface_key]['subnet'] = netmask2subnet(netmask)
578 dhcp_part = ".".join(ip.split('.')[0:3])
579 if ip != datadump['masterip']:
580 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)] = ip
581 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
582 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)] = "%s.%s" % (dhcp_part, i)
583 except (AttributeError, ValueError):
584 # First push it into a pool, to indentify the counter-part later on
585 addr = parseaddr(ip)
586 netmask = int(netmask)
587 addr = addr & ~((1 << (32 - netmask)) - 1)
[9283]588 if pool.has_key(addr):
[8588]589 pool[addr] += [(iface_name, fqdn, ip)]
[9283]590 else:
[8588]591 pool[addr] = [(iface_name, fqdn, ip)]
592 continue
593
[9286]594
595 def pool_to_name(node, pool_members):
596 """Convert the joined name to a usable pool name"""
597
598 # Get rid of the own entry
599 pool_members = list(set(pool_members) - set([fqdn]))
600
601 target = oldname = ''
602 for node in sorted(pool_members):
603 (name, number) = re.match('^([A-Za-z]+)([0-9]*)$',node).group(1,2)
604 target += "-" + number if name == oldname else "-" + node if target else node
605 oldname = name
606
607 return target
608
609
[8598]610 # Automatic naming convention of interlinks namely 2 + remote.lower()
[8588]611 for (key,value) in pool.iteritems():
612 if len(value) == 1:
613 (iface_name, fqdn, ip) = value[0]
614 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)] = ip
615 elif len(value) == 2:
616 (a_iface_name, a_fqdn, a_ip) = value[0]
617 (b_iface_name, b_fqdn, b_ip) = value[1]
618 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)] = a_ip
619 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)] = b_ip
620 else:
621 pool_members = [k[1] for k in value]
622 for item in value:
[9283]623 (iface_name, fqdn, ip) = item
[9286]624 pool_name = "2pool-" + showaddr(key).replace('.','-') + "-" + pool_to_name(fqdn,pool_members)
[8588]625 wleiden_zone["%s.%s" % (pool_name, fqdn)] = ip
[8598]626
627 # Include static DNS entries
628 # XXX: Should they override the autogenerated results?
629 # XXX: Convert input to yaml more useable.
630 # Format:
631 ##; this is a comment
632 ## roomburgh=CNodeRoomburgh1
633 ## apkerk1.CNodeVosko=172.17.176.8 ;this as well
[9284]634 dns = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
[8622]635 for comment, block in dns.iteritems():
636 for k,v in block.iteritems():
[8598]637 if valid_addr(v):
638 wleiden_zone[k] = v
639 else:
640 wleiden_cname[k] = v
[9283]641
[8598]642 details = dict()
643 # 24 updates a day allowed
644 details['serial'] = time.strftime('%Y%m%d%H')
645
646 dns_header = '''
647$TTL 3h
648%(zone)s. SOA sunny.wleiden.net. beheer.lijst.wirelessleiden.nl. ( %(serial)s 1d 12h 1w 3h )
649 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
650
651 NS sunny.wleiden.net.
652 \n'''
653
[9283]654
[8598]655 if not os.path.isdir('dns'):
656 os.makedirs('dns')
657 details['zone'] = 'wleiden.net'
[9284]658 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
[8598]659 f.write(dns_header % details)
660
[8588]661 for host,ip in wleiden_zone.iteritems():
[8598]662 if valid_addr(ip):
[9283]663 f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
[8588]664 for source,dest in wleiden_cname.iteritems():
[8636]665 f.write("%s.wleiden.net. IN CNAME %s.wleiden.net.\n" % (source.lower(), dest.lower()))
[8588]666 f.close()
[9283]667
[8598]668 # Create whole bunch of specific sub arpa zones. To keep it compliant
669 for s in range(16,32):
670 details['zone'] = '%i.172.in-addr.arpa' % s
[9284]671 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
[8598]672 f.write(dns_header % details)
[8588]673
[8598]674 #XXX: Not effient, fix to proper data structure and do checks at other
675 # stages
676 for host,ip in wleiden_zone.iteritems():
677 if valid_addr(ip):
678 if int(ip.split('.')[1]) == s:
679 rev_ip = '.'.join(reversed(ip.split('.')))
[9283]680 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
[8598]681 f.close()
[8588]682
[8598]683
[8259]684def usage():
[8598]685 print """Usage: %s <standalone [port] |test [test arguments]|static|dns>
[8259]686Examples:
[9284]687\tdns [outputdir] = Generate BIND compliant zone files in dns.
[8259]688\tstandalone = Run configurator webserver [default port=8000]
[8296]689\tstatic = Generate all config files and store on disk
690\t with format ./static/%%NODE%%/%%FILE%%
[9283]691\ttest CNodeRick dnsmasq.conf = Receive output of CGI script
[8259]692\t for arguments CNodeRick/dnsmasq.conf
693"""
694 exit(0)
695
696
697
[8267]698def main():
699 """Hard working sub"""
700 # Allow easy hacking using the CLI
701 if not os.environ.has_key('PATH_INFO'):
702 if len(sys.argv) < 2:
703 usage()
[9283]704
[8267]705 if sys.argv[1] == "standalone":
706 import SocketServer
707 import CGIHTTPServer
[8867]708 # CGI does not go backward, little hack to get ourself in the right working directory.
709 os.chdir(os.path.dirname(__file__) + '/..')
[8267]710 try:
711 PORT = int(sys.argv[2])
712 except (IndexError,ValueError):
713 PORT = 8000
[9283]714
[8267]715 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
716 """ Serve this CGI from the root of the webserver """
717 def is_cgi(self):
718 if "favicon" in self.path:
719 return False
[9283]720
[8267]721 self.cgi_info = (__file__, self.path)
722 self.path = ''
723 return True
724 handler = MyCGIHTTPRequestHandler
725 httpd = SocketServer.TCPServer(("", PORT), handler)
726 httpd.server_name = 'localhost'
727 httpd.server_port = PORT
[9283]728
[8267]729 print "serving at port", PORT
[8860]730 try:
731 httpd.serve_forever()
732 except KeyboardInterrupt:
733 httpd.shutdown()
[8267]734 elif sys.argv[1] == "test":
735 os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
736 os.environ['SCRIPT_NAME'] = __file__
737 process_cgi_request()
[8296]738 elif sys.argv[1] == "static":
739 items = dict()
740 for node in get_hostlist():
741 items['node'] = node
742 items['wdir'] = "./static/%(node)s" % items
743 if not os.path.isdir(items['wdir']):
744 os.makedirs(items['wdir'])
[8298]745 datadump = get_yaml(node)
[8296]746 for config in files:
747 items['config'] = config
748 print "## Generating %(node)s %(config)s" % items
749 f = open("%(wdir)s/%(config)s" % items, "w")
[8298]750 f.write(generate_config(node, config, datadump))
[8296]751 f.close()
[9514]752 elif sys.argv[1] == "wind-export":
753 items = dict()
754 for node in get_hostlist():
755 datadump = get_yaml(node)
756 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
757 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
758 print sql
759 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
760 VALUES (
761 (SELECT id FROM users WHERE username = 'rvdzwet'),
762 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
763 'Y');""" % datadump
764 print sql
765 #for config in files:
766 # items['config'] = config
767 # print "## Generating %(node)s %(config)s" % items
768 # f = open("%(wdir)s/%(config)s" % items, "w")
769 # f.write(generate_config(node, config, datadump))
770 # f.close()
771 for node in get_hostlist():
772 datadump = get_yaml(node)
773 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
774 ifacedump = datadump[iface_key]
775 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
776 ifacedump['nodename'] = datadump['nodename']
777 if not ifacedump.has_key('channel') or not ifacedump['channel']:
778 ifacedump['channel'] = 0
779 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
780 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
781 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
782 print sql
[8584]783 elif sys.argv[1] == "dns":
[9285]784 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns')
[9283]785 elif sys.argv[1] == "cleanup":
[8588]786 # First generate all datadumps
787 datadumps = dict()
788 for host in get_hostlist():
789 datadump = get_yaml(host)
790 datadumps[get_fqdn(datadump)] = datadump
[9283]791
[8622]792 datadump['latitude'], datadump['longitude'] = rdnap.rd2etrs(datadump['rdnap_x'], datadump['rdnap_y'])
[8588]793 write_yaml(host, datadump)
[9283]794 else:
795 usage()
796 else:
797 cgitb.enable()
798 process_cgi_request()
799
800
801if __name__ == "__main__":
802 main()
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