source: genesis/tools/gformat.py@ 13274

Last change on this file since 13274 was 13274, checked in by rick, 10 years ago

PoC: Nagios Network Map based on lvrouted tree.
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1#!/usr/bin/env python
2#
3# vim:ts=2:et:sw=2:ai
4# Wireless Leiden configuration generator, based on yaml files'
5#
6# XXX: This should be rewritten to make use of the ipaddr.py library.
7#
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#
15# MUCH FASTER WILL IT BE with mod_wsgi, due to caches and avoiding loading all
16# the heavy template lifting all the time.
17#
18# WSGIDaemonProcess gformat threads=25
19# WSGISocketPrefix run/wsgi
20#
21# <Directory /var/www/cgi-bin>
22# WSGIProcessGroup gformat
23# </Directory>
24# WSGIScriptAlias /hello /var/www/cgi-bin/genesis/tools/gformat.py
25#
26# Package dependencies list:
27# yum install python-yaml pyproj proj-epsg python-jinja2
28#
29# Rick van der Zwet <info@rickvanderzwet.nl>
30#
31
32# Hack to make the script directory is also threated as a module search path.
33import sys
34import os
35sys.path.append(os.path.dirname(__file__))
36
37SVN = filter(os.path.isfile, ('/usr/local/bin/svn', '/usr/bin/svn'))[0]
38
39import argparse
40import cgi
41import cgitb
42import copy
43import glob
44import make_network_kml
45import math
46import pyproj
47import random
48import re
49import socket
50import string
51import subprocess
52import textwrap
53import time
54import urlparse
55
56from pprint import pprint
57from collections import defaultdict
58try:
59 import yaml
60except ImportError, e:
61 print e
62 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
63 exit(1)
64
65try:
66 from yaml import CLoader as Loader
67 from yaml import CDumper as Dumper
68except ImportError:
69 from yaml import Loader, Dumper
70
71from jinja2 import Environment, Template
72def yesorno(value):
73 return "YES" if bool(value) else "NO"
74env = Environment()
75env.filters['yesorno'] = yesorno
76def render_template(datadump, template):
77 result = env.from_string(template).render(datadump)
78 # Make it look pretty to the naked eye, as jinja templates are not so
79 # friendly when it comes to whitespace formatting
80 ## Remove extra whitespace at end of line lstrip() style.
81 result = re.sub(r'\n[\ ]+','\n', result)
82 ## Include only a single newline between an definition and a comment
83 result = re.sub(r'(["\'])\n+([a-z]|\n#\n)',r'\1\n\2', result)
84 ## Remove extra newlines after single comment
85 result = re.sub(r'(#\n)\n+([a-z])',r'\1\2', result)
86 return result
87
88import logging
89logging.basicConfig(format='# %(levelname)s: %(message)s' )
90logger = logging.getLogger()
91logger.setLevel(logging.DEBUG)
92
93
94if os.environ.has_key('CONFIGROOT'):
95 NODE_DIR = os.environ['CONFIGROOT']
96else:
97 NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
98__version__ = '$Id: gformat.py 13274 2015-06-13 18:30:54Z rick $'
99
100files = [
101 'authorized_keys',
102 'dnsmasq.conf',
103 'dhcpd.conf',
104 'rc.conf.local',
105 'resolv.conf',
106 'motd',
107 'ntp.conf',
108 'pf.hybrid.conf.local',
109 'wleiden.yaml',
110 ]
111
112# Global variables uses
113OK = 10
114DOWN = 20
115UNKNOWN = 90
116
117
118ileiden_proxies = []
119normal_proxies = []
120datadump_cache = {}
121interface_list_cache = {}
122rc_conf_local_cache = {}
123nameservers_cache = []
124def clear_cache():
125 ''' Poor mans cache implementation '''
126 global datadump_cache, interface_list_cache, rc_conf_local_cache, ileiden_proxies, normal_proxies, nameservers_cache
127 datadump_cache = {}
128 interface_list_cache = {}
129 rc_conf_local_cache = {}
130 ileiden_proxies = []
131 normal_proxies = []
132 nameservers_cache = []
133
134NO_DHCP = 0
135DHCP_CLIENT = 10
136DHCP_SERVER = 20
137def dhcp_type(item):
138 if not item.has_key('dhcp'):
139 return NO_DHCP
140 elif not item['dhcp']:
141 return NO_DHCP
142 elif item['dhcp'].lower() == 'client':
143 return DHCP_CLIENT
144 else:
145 # Validation Checks
146 begin,end = map(int,item['dhcp'].split('-'))
147 if begin >= end:
148 raise ValueError("DHCP Start >= DHCP End")
149 return DHCP_SERVER
150
151def etrs2rd(lat, lon):
152 p1 = pyproj.Proj(proj='latlon',datum='WGS84')
153 p2 = pyproj.Proj(init='EPSG:28992')
154 RDx, RDy = pyproj.transform(p1,p2,lon, lat)
155 return (RDx, RDy)
156
157def rd2etrs(RDx, RDy):
158 p1 = pyproj.Proj(init='EPSG:28992')
159 p2 = pyproj.Proj(proj='latlon',datum='WGS84')
160 lon, lat = pyproj.transform(p1,p2, RDx, RDy)
161 return (lat, lon)
162
163def get_yaml(item,add_version_info=True):
164 try:
165 """ Get configuration yaml for 'item'"""
166 if datadump_cache.has_key(item):
167 return datadump_cache[item].copy()
168
169 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
170
171 # Default values
172 datadump = {
173 'autogen_revision' : 'NOTFOUND',
174 'autogen_gfile' : gfile,
175 }
176 f = open(gfile, 'r')
177 datadump.update(yaml.load(f,Loader=Loader))
178 if datadump['nodetype'] == 'Hybrid':
179 # Some values are defined implicitly
180 if datadump.has_key('rdr_rules') and datadump['rdr_rules'] and not datadump.has_key('service_incoming_rdr'):
181 datadump['service_incoming_rdr'] = True
182 # Use some boring defaults
183 defaults = {
184 'service_proxy_normal' : False,
185 'service_proxy_ileiden' : False,
186 'service_accesspoint' : True,
187 'service_incoming_rdr' : False,
188 'service_concentrator' : False,
189 'monitoring_group' : 'wleiden',
190 }
191 for (key,value) in defaults.iteritems():
192 if not datadump.has_key(key):
193 datadump[key] = value
194 f.close()
195
196 # Sometimes getting version information is useless or harmfull, like in the pre-commit hooks
197 if add_version_info:
198 p = subprocess.Popen([SVN, 'info', datadump['autogen_gfile']], stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
199 lines = p.communicate()[0].split('\n')
200 if p.returncode == 0:
201 for line in lines:
202 if line:
203 (key, value) = line.split(': ')
204 datadump["autogen_" + key.lower().replace(' ','_')] = value
205
206 # Preformat certain needed variables for formatting and push those into special object
207 datadump['autogen_iface_keys'] = get_interface_keys(datadump)
208
209 wlan_count=0
210 try:
211 for key in datadump['autogen_iface_keys']:
212 datadump[key]['autogen_ifbase'] = key.split('_')[1]
213 datadump[key]['autogen_gateway'] = datadump[key]['ip'].split('/')[0]
214 if datadump[key]['type'] in ['11a', '11b', '11g', 'wireless']:
215 datadump[key]['autogen_ifname'] = 'wlan%i' % wlan_count
216 wlan_count += 1
217 else:
218 datadump[key]['autogen_ifname'] = datadump[key]['autogen_ifbase']
219 datadump[key]['autogen_bridge'] = datadump[key]['autogen_ifbase'].startswith('bridge')
220 if datadump[key]['autogen_bridge'] and not 'alias' in key:
221 datadump[key]['autogen_bridge_interfaces'] = datadump[key]['members'].split()
222 except Exception as e:
223 print "# Error while processing interface %s" % key
224 raise
225
226 dhcp_interfaces = [datadump[key]['autogen_ifname'] for key in datadump['autogen_iface_keys'] \
227 if dhcp_type(datadump[key]) == DHCP_SERVER]
228
229 datadump['autogen_dhcp_interfaces'] = dhcp_interfaces
230 datadump['autogen_item'] = item
231
232 datadump['autogen_realname'] = get_realname(datadump)
233 datadump['autogen_domain'] = datadump['domain'] if datadump.has_key('domain') else 'wleiden.net.'
234 datadump['autogen_fqdn'] = datadump['autogen_realname'] + '.' + datadump['autogen_domain']
235 datadump_cache[item] = datadump.copy()
236 except Exception as e:
237 print "# Error while processing %s" % item
238 raise
239 return datadump
240
241
242def store_yaml(datadump, header=False):
243 """ Store configuration yaml for 'item'"""
244 item = datadump['autogen_item']
245 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
246
247 output = generate_wleiden_yaml(datadump, header)
248
249 f = open(gfile, 'w')
250 f.write(output)
251 f.close()
252
253
254def network(ip):
255 addr, mask = ip.split('/')
256 # Not parsing of these folks please
257 addr = parseaddr(addr)
258 mask = int(mask)
259 network = addr & ~((1 << (32 - mask)) - 1)
260 return network
261
262
263
264def make_relations(datadumps=dict()):
265 """ Process _ALL_ yaml files to get connection relations """
266 errors = []
267 poel = defaultdict(list)
268
269 if not datadumps:
270 for host in get_hostlist():
271 datadumps[host] = get_yaml(host)
272
273 for host, datadump in datadumps.iteritems():
274 try:
275 for iface_key in datadump['autogen_iface_keys']:
276 net_addr = network(datadump[iface_key]['ip'])
277 poel[net_addr] += [(host,datadump[iface_key])]
278 except (KeyError, ValueError), e:
279 errors.append("[FOUT] in '%s' interface '%s' (%s)" % (host,iface_key, e))
280 continue
281 return (poel, errors)
282
283
284
285def valid_addr(addr):
286 """ Show which address is valid in which are not """
287 return str(addr).startswith('172.')
288
289def get_system_list(prefix):
290 return sorted([os.path.basename(os.path.dirname(x)) for x in glob.glob("%s/%s*/wleiden.yaml" % (NODE_DIR, prefix))])
291
292get_hybridlist = lambda: get_system_list("Hybrid")
293get_nodelist = lambda: get_system_list("CNode")
294get_proxylist = lambda: get_system_list("Proxy")
295
296def get_hostlist():
297 """ Combined hosts and proxy list"""
298 return get_nodelist() + get_proxylist() + get_hybridlist()
299
300def angle_between_points(lat1,lat2,long1,long2):
301 """
302 Return Angle in radians between two GPS coordinates
303 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
304 """
305 dy = lat2 - lat1
306 dx = math.cos(lat1)*(long2 - long1)
307 angle = math.atan2(dy,dx)
308 return angle
309
310
311
312def angle_to_cd(angle):
313 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
314
315 # For easy conversion get positive degree
316 degrees = math.degrees(angle)
317 abs_degrees = 360 + degrees if degrees < 0 else degrees
318
319 # Numbers can be confusing calculate from the 4 main directions
320 p = 22.5
321 if abs_degrees < p:
322 cd = "n"
323 elif abs_degrees < (90 - p):
324 cd = "no"
325 elif abs_degrees < (90 + p):
326 cd = "o"
327 elif abs_degrees < (180 - p):
328 cd = "zo"
329 elif abs_degrees < (180 + p):
330 cd = "z"
331 elif abs_degrees < (270 - p):
332 cd = "zw"
333 elif abs_degrees < (270 + p):
334 cd = "w"
335 elif abs_degrees < (360 - p):
336 cd = "nw"
337 else:
338 cd = "n"
339 return cd
340
341
342
343def cd_between_hosts(hostA, hostB, datadumps):
344 # Using RDNAP coordinates
345 dx = float(int(datadumps[hostA]['rdnap_x']) - int(datadumps[hostB]['rdnap_x'])) * -1
346 dy = float(int(datadumps[hostA]['rdnap_y']) - int(datadumps[hostB]['rdnap_y'])) * -1
347 return angle_to_cd(math.atan2(dx,dy))
348
349 # GPS coordinates seems to fail somehow
350 #latA = float(datadumps[hostA]['latitude'])
351 #latB = float(datadumps[hostB]['latitude'])
352 #lonA = float(datadumps[hostA]['longitude'])
353 #lonB = float(datadumps[hostB]['longitude'])
354 #return angle_to_cd(angle_between_points(latA, latB, lonA, lonB))
355
356
357def generate_title(nodelist):
358 """ Main overview page """
359 items = {'root' : "." }
360 def fl(spaces, line):
361 return (' ' * spaces) + line + '\n'
362
363 output = """
364<html>
365 <head>
366 <title>Wireless leiden Configurator - GFormat</title>
367 <style type="text/css">
368 th {background-color: #999999}
369 tr:nth-child(odd) {background-color: #cccccc}
370 tr:nth-child(even) {background-color: #ffffff}
371 th, td {padding: 0.1em 1em}
372 </style>
373 </head>
374 <body>
375 <center>
376 <form type="GET" action="%(root)s">
377 <input type="hidden" name="action" value="update">
378 <input type="submit" value="Update Configuration Database (SVN)">
379 </form>
380 <table>
381 <caption><h3>Wireless Leiden Configurator</h3></caption>
382 """ % items
383
384 for node in nodelist:
385 items['node'] = node
386 output += fl(5, '<tr>') + fl(7,'<td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items)
387 for config in files:
388 items['config'] = config
389 output += fl(7,'<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items)
390 output += fl(5, "</tr>")
391 output += """
392 </table>
393 <hr />
394 <em>%s</em>
395 </center>
396 </body>
397</html>
398 """ % __version__
399
400 return output
401
402
403
404def generate_node(node):
405 """ Print overview of all files available for node """
406 return "\n".join(files)
407
408def generate_node_overview(host):
409 """ Print overview of all files available for node """
410 datadump = get_yaml(host)
411 params = { 'host' : host }
412 output = "<em><a href='..'>Back to overview</a></em><hr />"
413 output += "<h2>Available files:</h2><ul>"
414 for cf in files:
415 params['cf'] = cf
416 output += '<li><a href="%(host)s/%(cf)s">%(cf)s</a></li>\n' % params
417 output += "</ul>"
418
419 # Generate and connection listing
420 output += "<h2>Connected To:</h2><ul>"
421 (poel, errors) = make_relations()
422 for network, hosts in poel.iteritems():
423 if host in [x[0] for x in hosts]:
424 if len(hosts) == 1:
425 # Single not connected interface
426 continue
427 for remote,ifacedump in hosts:
428 if remote == host:
429 # This side of the interface
430 continue
431 params = { 'remote': remote, 'remote_ip' : ifacedump['ip'] }
432 output += '<li><a href="%(remote)s">%(remote)s</a> -- %(remote_ip)s</li>\n' % params
433 output += "</ul>"
434 output += "<h2>MOTD details:</h2><pre>" + generate_motd(datadump) + "</pre>"
435
436 output += "<hr /><em><a href='..'>Back to overview</a></em>"
437 return output
438
439
440def generate_header(datadump, ctag="#"):
441 return """\
442%(ctag)s
443%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
444%(ctag)s Generated at %(date)s by %(host)s from r%(revision)s
445%(ctag)s
446""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname(), 'revision' : datadump['autogen_revision'] }
447
448
449
450def parseaddr(s):
451 """ Process IPv4 CIDR notation addr to a (binary) number """
452 f = s.split('.')
453 return (long(f[0]) << 24L) + \
454 (long(f[1]) << 16L) + \
455 (long(f[2]) << 8L) + \
456 long(f[3])
457
458
459
460def showaddr(a):
461 """ Display IPv4 addr in (dotted) CIDR notation """
462 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
463
464
465def is_member(ip, mask, canidate):
466 """ Return True if canidate is part of ip/mask block"""
467 ip_addr = parseaddr(ip)
468 ip_canidate = parseaddr(canidate)
469 mask = int(mask)
470 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
471 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
472 return ip_addr == ip_canidate
473
474
475
476def cidr2netmask(netmask):
477 """ Given a 'netmask' return corresponding CIDR """
478 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
479
480def get_network(addr, mask):
481 return showaddr(parseaddr(addr) & ~((1 << (32 - int(mask))) - 1))
482
483
484def generate_dhcpd_conf(datadump):
485 """ Generate config file '/usr/local/etc/dhcpd.conf """
486 output = generate_header(datadump)
487 output += Template("""\
488# option definitions common to all supported networks...
489option domain-name "dhcp.{{ autogen_fqdn }}";
490
491default-lease-time 600;
492max-lease-time 7200;
493
494# Use this to enble / disable dynamic dns updates globally.
495#ddns-update-style none;
496
497# If this DHCP server is the official DHCP server for the local
498# network, the authoritative directive should be uncommented.
499authoritative;
500
501# Use this to send dhcp log messages to a different log file (you also
502# have to hack syslog.conf to complete the redirection).
503log-facility local7;
504
505#
506# Interface definitions
507#
508\n""").render(datadump)
509
510 dhcp_out = defaultdict(list)
511 for iface_key in datadump['autogen_iface_keys']:
512 ifname = datadump[iface_key]['autogen_ifname']
513 if not datadump[iface_key].has_key('comment'):
514 datadump[iface_key]['comment'] = None
515 dhcp_out[ifname].append(" ## %(autogen_ifname)s - %(comment)s\n" % datadump[iface_key])
516
517 (addr, mask) = datadump[iface_key]['ip'].split('/')
518 datadump[iface_key]['autogen_addr'] = addr
519 datadump[iface_key]['autogen_netmask'] = cidr2netmask(mask)
520 datadump[iface_key]['autogen_subnet'] = get_network(addr, mask)
521 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
522 dhcp_out[ifname].append(" subnet %(autogen_subnet)s netmask %(autogen_netmask)s {\n ### not autoritive\n }\n" % \
523 datadump[iface_key])
524 continue
525
526 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
527 dhcp_part = ".".join(addr.split('.')[0:3])
528 datadump[iface_key]['autogen_dhcp_start'] = dhcp_part + "." + dhcp_start
529 datadump[iface_key]['autogen_dhcp_stop'] = dhcp_part + "." + dhcp_stop
530
531 # Assume the first 10 IPs could be used for static entries
532 if 'no_portal' in datadump:
533 fixed = 5
534 for mac in datadump['no_portal']:
535 dhcp_out[ifname].append("""\
536 host fixed-%(ifname)s-%(fixed)s {
537 hardware ethernet %(mac)s;
538 fixed-address %(prefix)s.%(fixed)s;
539 }
540""" % { 'ifname' : ifname, 'mac' : mac, 'prefix': dhcp_part, 'fixed' : fixed })
541 fixed += 1
542
543 dhcp_out[ifname].append("""\
544 subnet %(autogen_subnet)s netmask %(autogen_netmask)s {
545 range %(autogen_dhcp_start)s %(autogen_dhcp_stop)s;
546 option routers %(autogen_addr)s;
547 option domain-name-servers %(autogen_addr)s;
548 }
549""" % datadump[iface_key])
550
551 for ifname,value in dhcp_out.iteritems():
552 output += ("shared-network %s {\n" % ifname) + ''.join(value) + '}\n\n'
553 return output
554
555
556
557def generate_dnsmasq_conf(datadump):
558 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
559 output = generate_header(datadump)
560 output += Template("""\
561# DHCP server options
562dhcp-authoritative
563dhcp-fqdn
564domain=dhcp.{{ autogen_fqdn }}
565domain-needed
566expand-hosts
567log-async=100
568
569# Low memory footprint
570cache-size=10000
571
572\n""").render(datadump)
573
574 for iface_key in datadump['autogen_iface_keys']:
575 if not datadump[iface_key].has_key('comment'):
576 datadump[iface_key]['comment'] = None
577 output += "## %(autogen_ifname)s - %(comment)s\n" % datadump[iface_key]
578
579 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
580 output += "# not autoritive\n\n"
581 continue
582
583 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
584 (ip, cidr) = datadump[iface_key]['ip'].split('/')
585 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
586
587 dhcp_part = ".".join(ip.split('.')[0:3])
588 datadump[iface_key]['autogen_dhcp_start'] = dhcp_part + "." + dhcp_start
589 datadump[iface_key]['autogen_dhcp_stop'] = dhcp_part + "." + dhcp_stop
590 output += "dhcp-range=%(autogen_ifname)s,%(autogen_dhcp_start)s,%(autogen_dhcp_stop)s,%(autogen_netmask)s,24h\n\n" % datadump[iface_key]
591
592 return output
593
594
595def make_interface_list(datadump):
596 if interface_list_cache.has_key(datadump['autogen_item']):
597 return (interface_list_cache[datadump['autogen_item']])
598 # lo0 configuration:
599 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
600 # - masterip is special as it needs to be assigned to at
601 # least one interface, so if not used assign to lo0
602 addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
603 dhclient_if = {'lo0' : False}
604
605 # XXX: Find some way of send this output nicely
606 output = ''
607
608 masterip_used = False
609 for iface_key in datadump['autogen_iface_keys']:
610 if datadump[iface_key]['ip'].startswith(datadump['masterip']):
611 masterip_used = True
612 break
613 if not masterip_used:
614 addrs_list['lo0'].append((datadump['masterip'] + "/32", 'Master IP Not used in interface'))
615
616 for iface_key in datadump['autogen_iface_keys']:
617 ifacedump = datadump[iface_key]
618 ifname = ifacedump['autogen_ifname']
619
620 # Flag dhclient is possible
621 if not dhclient_if.has_key(ifname) or dhclient_if[ifname] == False:
622 dhclient_if[ifname] = dhcp_type(ifacedump) == DHCP_CLIENT
623
624 # Add interface IP to list
625 item = (ifacedump['ip'], ifacedump['comment'])
626 if addrs_list.has_key(ifname):
627 addrs_list[ifname].append(item)
628 else:
629 addrs_list[ifname] = [item]
630
631 # Alias only needs IP assignment for now, this might change if we
632 # are going to use virtual accesspoints
633 if "alias" in iface_key:
634 continue
635
636 # XXX: Might want to deduct type directly from interface name
637 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
638 # Default to station (client) mode
639 ifacedump['autogen_wlanmode'] = "sta"
640 if ifacedump['mode'] in ['master', 'master-wds', 'ap', 'ap-wds']:
641 ifacedump['autogen_wlanmode'] = "ap"
642
643 if not ifacedump.has_key('channel'):
644 if ifacedump['type'] == '11a':
645 ifacedump['channel'] = 36
646 else:
647 ifacedump['channel'] = 1
648
649 # Allow special hacks at the back like wds and stuff
650 if not ifacedump.has_key('extra'):
651 ifacedump['autogen_extra'] = 'regdomain ETSI country NL'
652 else:
653 ifacedump['autogen_extra'] = ifacedump['extra']
654
655 output += "wlans_%(autogen_ifbase)s='%(autogen_ifname)s'\n" % ifacedump
656 output += ("create_args_%(autogen_ifname)s='wlanmode %(autogen_wlanmode)s mode " +\
657 "%(type)s ssid %(ssid)s %(autogen_extra)s channel %(channel)s'\n") % ifacedump
658 output += "\n"
659
660 elif ifacedump['type'] in ['ethernet', 'eth']:
661 # No special config needed besides IP
662 if ifacedump['autogen_bridge']:
663 output += "cloned_interfaces='%(autogen_ifname)s'\n" % ifacedump
664 output += "ifconfig_%s='addm %s up'\n" % (ifacedump['autogen_ifname'], ' addm '.join(ifacedump['autogen_bridge_interfaces']))
665 for member in ifacedump['autogen_bridge_interfaces']:
666 output += "ifconfig_%s='up'\n" % member
667 output += "\n"
668 else:
669 assert False, "Unknown type " + ifacedump['type']
670
671 store = (addrs_list, dhclient_if, output)
672 interface_list_cache[datadump['autogen_item']] = store
673 return(store)
674
675
676
677def generate_rc_conf_local(datadump):
678 """ Generate configuration file '/etc/rc.conf.local' """
679 item = datadump['autogen_item']
680 if rc_conf_local_cache.has_key(item):
681 return rc_conf_local_cache[item]
682
683 if not datadump.has_key('ileiden'):
684 datadump['autogen_ileiden_enable'] = False
685 else:
686 datadump['autogen_ileiden_enable'] = datadump['ileiden']
687
688 datadump['autogen_ileiden_enable'] = switchFormat(datadump['autogen_ileiden_enable'])
689
690 if not ileiden_proxies or not normal_proxies:
691 for proxy in get_proxylist():
692 proxydump = get_yaml(proxy)
693 if proxydump['ileiden']:
694 ileiden_proxies.append(proxydump)
695 else:
696 normal_proxies.append(proxydump)
697 for host in get_hybridlist():
698 hostdump = get_yaml(host)
699 if hostdump['status'] == 'up':
700 if hostdump['service_proxy_ileiden']:
701 ileiden_proxies.append(hostdump)
702 if hostdump['service_proxy_normal']:
703 normal_proxies.append(hostdump)
704
705 datadump['autogen_ileiden_proxies'] = ileiden_proxies
706 datadump['autogen_normal_proxies'] = normal_proxies
707 datadump['autogen_ileiden_proxies_ips'] = ','.join([x['masterip'] for x in ileiden_proxies])
708 datadump['autogen_ileiden_proxies_names'] = ','.join([x['autogen_item'] for x in ileiden_proxies])
709 datadump['autogen_normal_proxies_ips'] = ','.join([x['masterip'] for x in normal_proxies])
710 datadump['autogen_normal_proxies_names'] = ','.join([x['autogen_item'] for x in normal_proxies])
711
712 output = generate_header(datadump, "#");
713 output += render_template(datadump, """\
714hostname='{{ autogen_fqdn }}'
715location='{{ location }}'
716nodetype="{{ nodetype }}"
717
718#
719# Configured listings
720#
721captive_portal_whitelist=""
722{% if nodetype == "Proxy" %}
723#
724# Proxy Configuration
725#
726{% if gateway -%}
727defaultrouter="{{ gateway }}"
728{% else -%}
729#defaultrouter="NOTSET"
730{% endif -%}
731internalif="{{ internalif }}"
732ileiden_enable="{{ autogen_ileiden_enable }}"
733gateway_enable="{{ autogen_ileiden_enable }}"
734pf_enable="yes"
735pf_rules="/etc/pf.conf"
736{% if autogen_ileiden_enable -%}
737pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={80,443}"
738lvrouted_enable="{{ autogen_ileiden_enable }}"
739lvrouted_flags="-u -s s00p3rs3kr3t -m 28"
740{% else -%}
741pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={0}"
742{% endif -%}
743{% if internalroute -%}
744static_routes="wleiden"
745route_wleiden="-net 172.16.0.0/12 {{ internalroute }}"
746{% endif -%}
747
748{% elif nodetype == "Hybrid" %}
749 #
750 # Hybrid Configuration
751 #
752 list_ileiden_proxies="
753 {% for item in autogen_ileiden_proxies -%}
754 {{ "%-16s"|format(item.masterip) }} # {{ item.autogen_realname }}
755 {% endfor -%}
756 "
757 list_normal_proxies="
758 {% for item in autogen_normal_proxies -%}
759 {{ "%-16s"|format(item.masterip) }} # {{ item.autogen_realname }}
760 {% endfor -%}
761 "
762
763 captive_portal_interfaces="{{ autogen_dhcp_interfaces|join(',')|default('none', true) }}"
764 externalif="{{ externalif|default('vr0', true) }}"
765 masterip="{{ masterip }}"
766
767 # Defined services
768 service_proxy_ileiden="{{ service_proxy_ileiden|yesorno }}"
769 service_proxy_normal="{{ service_proxy_normal|yesorno }}"
770 service_accesspoint="{{ service_accesspoint|yesorno }}"
771 service_incoming_rdr="{{ service_incoming_rdr|yesorno }}"
772 service_concentrator="{{ service_concentrator|yesorno }}"
773 #
774
775 {% if service_proxy_ileiden %}
776 pf_rules="/etc/pf.hybrid.conf"
777 {% if service_concentrator %}
778 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D inet_if=tun0 -D inet_ip='(tun0)' -D masterip=$masterip"
779 {% else %}
780 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D inet_if=$externalif -D inet_ip='($externalif:0)' -D masterip=$masterip"
781 {% endif %}
782 pf_flags="$pf_flags -D publicnat=80,443"
783 lvrouted_flags="$lvrouted_flags -g"
784 {% elif service_proxy_normal or service_incoming_rdr %}
785 pf_rules="/etc/pf.hybrid.conf"
786 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D masterip=$masterip"
787 pf_flags="$pf_flags -D publicnat=0"
788 lvrouted_flags="$lvrouted_flags -z `make_list "$list_ileiden_proxies" ","`"
789 named_setfib="1"
790 tinyproxy_setfib="1"
791 dnsmasq_setfib="1"
792 sshd_setfib="1"
793 {% else %}
794 named_auto_forward_only="YES"
795 pf_rules="/etc/pf.node.conf"
796 pf_flags=""
797 lvrouted_flags="$lvrouted_flags -z `make_list "$list_ileiden_proxies" ","`"
798 {% endif %}
799 {% if service_concentrator %}
800 # Do mind installing certificates is NOT done automatically for security reasons
801 openvpn_enable="YES"
802 openvpn_configfile="/usr/local/etc/openvpn/client.conf"
803 {% endif %}
804
805 {% if service_proxy_normal %}
806 tinyproxy_enable="yes"
807 {% else %}
808 pen_wrapper_enable="yes"
809 {% endif %}
810
811 {% if service_accesspoint %}
812 pf_flags="$pf_flags -D captive_portal_interfaces=$captive_portal_interfaces"
813 {% endif %}
814
815 {% if board == "ALIX2" %}
816 #
817 # ''Fat'' configuration, board has 256MB RAM
818 #
819 dnsmasq_enable="NO"
820 named_enable="YES"
821 {% if autogen_dhcp_interfaces -%}
822 dhcpd_enable="YES"
823 dhcpd_flags="$dhcpd_flags {{ autogen_dhcp_interfaces|join(' ') }}"
824 {% endif -%}
825 {% endif -%}
826
827 {% if gateway %}
828 defaultrouter="{{ gateway }}"
829 {% endif %}
830{% elif nodetype == "CNode" %}
831#
832# NODE iLeiden Configuration
833#
834
835# iLeiden Proxies {{ autogen_ileiden_proxies_names }}
836list_ileiden_proxies="{{ autogen_ileiden_proxies_ips }}"
837# normal Proxies {{ autogen_normal_proxies_names }}
838list_normal_proxies="{{ autogen_normal_proxies_ips }}"
839
840captive_portal_interfaces="{{ autogen_dhcp_interfaces|join(',') }}"
841
842lvrouted_flags="-u -s s00p3rs3kr3t -m 28 -z $list_ileiden_proxies"
843{% endif %}
844
845#
846# Interface definitions
847#\n
848""")
849
850 (addrs_list, dhclient_if, extra_ouput) = make_interface_list(datadump)
851 output += extra_ouput.strip() + "\n"
852
853 # Print IP address which needs to be assigned over here
854 output += "\n"
855 for iface,addrs in sorted(addrs_list.iteritems()):
856 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
857 output += "# %s || %s || %s\n" % (iface, addr, comment)
858
859 # Write DHCLIENT entry
860 if dhclient_if[iface]:
861 output += "ifconfig_%s='SYNCDHCP'\n\n" % (iface)
862
863 # Make sure the external address is always first as this is needed in the
864 # firewall setup
865 addrs = sorted(
866 [x for x in addrs if not '0.0.0.0' in x[0]],
867 key=lambda x: x[0].split('.')[0],
868 cmp=lambda x,y: cmp(1 if x == '172' else 0, 1 if y == '172' else 0)
869 )
870 addr_str = " ".join([x[0] for x in addrs])
871 output += "ipv4_addrs_%s='%s'\n\n" % (iface, addr_str)
872
873 rc_conf_local_cache[datadump['autogen_item']] = output
874 return output
875
876
877
878
879def get_all_configs():
880 """ Get dict with key 'host' with all configs present """
881 configs = dict()
882 for host in get_hostlist():
883 datadump = get_yaml(host)
884 configs[host] = datadump
885 return configs
886
887
888def get_interface_keys(config):
889 """ Quick hack to get all interface keys, later stage convert this to a iterator """
890 return sorted([elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)])
891
892
893def get_used_ips(configs):
894 """ Return array of all IPs used in config files"""
895 ip_list = []
896 for config in configs:
897 ip_list.append(config['masterip'])
898 for iface_key in get_interface_keys(config):
899 l = config[iface_key]['ip']
900 addr, mask = l.split('/')
901 # Special case do not process
902 if valid_addr(addr):
903 ip_list.append(addr)
904 else:
905 logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
906 return sorted(ip_list)
907
908
909
910def get_nameservers(max_servers=None):
911 if nameservers_cache:
912 return nameservers_cache[0:max_servers]
913
914 for host in get_hybridlist():
915 hostdump = get_yaml(host)
916 if hostdump['status'] == 'up' and (hostdump['service_proxy_ileiden'] or hostdump['service_proxy_normal']):
917 nameservers_cache.append((hostdump['masterip'], hostdump['autogen_realname']))
918 for host in get_proxylist():
919 hostdump = get_yaml(host)
920 if hostdump['status'] == 'up':
921 nameservers_cache.append((hostdump['masterip'], hostdump['autogen_realname']))
922
923 return nameservers_cache[0:max_servers]
924
925
926def generate_resolv_conf(datadump):
927 """ Generate configuration file '/etc/resolv.conf' """
928 # XXX: This should properly going to be an datastructure soon
929 datadump['autogen_header'] = generate_header(datadump, "#")
930 datadump['autogen_edge_nameservers'] = ''
931
932
933 for masterip,realname in get_nameservers():
934 datadump['autogen_edge_nameservers'] += "nameserver %-15s # %s\n" % (masterip, realname)
935
936 return Template("""\
937{{ autogen_header }}
938search wleiden.net
939
940# Try local (cache) first
941nameserver 127.0.0.1
942
943{% if service_proxy_normal or service_proxy_ileiden or nodetype == 'Proxy' -%}
944nameserver 8.8.8.8 # Google Public NameServer
945nameserver 8.8.4.4 # Google Public NameServer
946{% else -%}
947# START DYNAMIC LIST - updated by /tools/nameserver-shuffle
948{{ autogen_edge_nameservers }}
949{% endif -%}
950""").render(datadump)
951
952
953
954def generate_ntp_conf(datadump):
955 """ Generate configuration file '/etc/ntp.conf' """
956 # XXX: This should properly going to be an datastructure soon
957
958 datadump['autogen_header'] = generate_header(datadump, "#")
959 datadump['autogen_ntp_servers'] = ''
960 for host in get_proxylist():
961 hostdump = get_yaml(host)
962 datadump['autogen_ntp_servers'] += "server %(masterip)-15s iburst maxpoll 9 # %(autogen_realname)s\n" % hostdump
963 for host in get_hybridlist():
964 hostdump = get_yaml(host)
965 if hostdump['service_proxy_ileiden'] or hostdump['service_proxy_normal']:
966 datadump['autogen_ntp_servers'] += "server %(masterip)-15s iburst maxpoll 9 # %(autogen_realname)s\n" % hostdump
967
968 return Template("""\
969{{ autogen_header }}
970
971{% if service_proxy_normal or service_proxy_ileiden or nodetype == 'Proxy' -%}
972# Machine hooked to internet.
973server 0.nl.pool.ntp.org iburst maxpoll 9
974server 1.nl.pool.ntp.org iburst maxpoll 9
975server 2.nl.pool.ntp.org iburst maxpoll 9
976server 3.nl.pool.ntp.org iburst maxpoll 9
977{% else -%}
978# Local Wireless Leiden NTP Servers.
979server 0.pool.ntp.wleiden.net iburst maxpoll 9
980server 1.pool.ntp.wleiden.net iburst maxpoll 9
981server 2.pool.ntp.wleiden.net iburst maxpoll 9
982server 3.pool.ntp.wleiden.net iburst maxpoll 9
983
984# All the configured NTP servers
985{{ autogen_ntp_servers }}
986{% endif %}
987
988# If a server loses sync with all upstream servers, NTP clients
989# no longer follow that server. The local clock can be configured
990# to provide a time source when this happens, but it should usually
991# be configured on just one server on a network. For more details see
992# http://support.ntp.org/bin/view/Support/UndisciplinedLocalClock
993# The use of Orphan Mode may be preferable.
994#
995server 127.127.1.0
996fudge 127.127.1.0 stratum 10
997""").render(datadump)
998
999
1000def generate_pf_hybrid_conf_local(datadump):
1001 """ Generate configuration file '/etc/pf.hybrid.conf.local' """
1002 datadump['autogen_header'] = generate_header(datadump, "#")
1003 return Template("""\
1004{{ autogen_header }}
1005
1006# Redirect some internal facing services outside (7)
1007# INFO: {{ rdr_rules|count }} rdr_rules (outside to internal redirect rules) defined.
1008{% for protocol, src_port,dest_ip,dest_port in rdr_rules -%}
1009rdr on $ext_if inet proto {{ protocol }} from any to $ext_if port {{ src_port }} tag SRV -> {{ dest_ip }} port {{ dest_port }}
1010{% endfor -%}
1011""").render(datadump)
1012
1013def generate_motd(datadump):
1014 """ Generate configuration file '/etc/motd' """
1015 output = Template("""\
1016FreeBSD run ``service motd onestart'' to make me look normal
1017
1018 WWW: {{ autogen_fqdn }} - http://www.wirelessleiden.nl
1019 Loc: {{ location }}
1020
1021Services:
1022{% if board == "ALIX2" -%}
1023{{" -"}} Core Node ({{ board }})
1024{% else -%}
1025{{" -"}} Hulp Node ({{ board }})
1026{% endif -%}
1027{% if service_proxy_normal -%}
1028{{" -"}} Normal Proxy
1029{% endif -%}
1030{% if service_proxy_ileiden -%}
1031{{" -"}} iLeiden Proxy
1032{% endif -%}
1033{% if service_incoming_rdr -%}
1034{{" -"}} Incoming port redirects
1035{% endif %}
1036Interlinks:\n
1037""").render(datadump)
1038
1039 (addrs_list, dhclient_if, extra_ouput) = make_interface_list(datadump)
1040 # Just nasty hack to make the formatting looks nice
1041 iface_len = max(map(len,addrs_list.keys()))
1042 addr_len = max(map(len,[x[0] for x in [x[0] for x in addrs_list.values()]]))
1043 for iface,addrs in sorted(addrs_list.iteritems()):
1044 if iface in ['lo0']:
1045 continue
1046 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
1047 output += " - %s || %s || %s\n" % (iface.ljust(iface_len), addr.ljust(addr_len), comment)
1048
1049 output += '\n'
1050 output += """\
1051Attached bridges:
1052"""
1053 has_item = False
1054 for iface_key in datadump['autogen_iface_keys']:
1055 ifacedump = datadump[iface_key]
1056 if ifacedump.has_key('ns_ip'):
1057 ifacedump['autogen_ns_ip'] = ifacedump['ns_ip'].split('/')[0]
1058 has_item = True
1059 output += " - %(autogen_ifname)s || %(mode)s || https://%(autogen_ns_ip)s\n" % ifacedump
1060 if not has_item:
1061 output += " - none\n"
1062
1063 return output
1064
1065
1066def format_yaml_value(value):
1067 """ Get yaml value in right syntax for outputting """
1068 if isinstance(value,str):
1069 output = '"%s"' % value
1070 else:
1071 output = value
1072 return output
1073
1074
1075
1076def format_wleiden_yaml(datadump):
1077 """ Special formatting to ensure it is editable"""
1078 output = "# Genesis config yaml style\n"
1079 output += "# vim:ts=2:et:sw=2:ai\n"
1080 output += "#\n"
1081 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
1082 for key in sorted(set(datadump.keys()) - set(iface_keys)):
1083 if key == 'rdr_rules':
1084 output += '%-10s:\n' % 'rdr_rules'
1085 for rdr_rule in datadump[key]:
1086 output += '- %s\n' % rdr_rule
1087 else:
1088 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
1089
1090 output += "\n\n"
1091
1092 # Format (key, required)
1093 key_order = (
1094 ('comment', True),
1095 ('ip', True),
1096 ('desc', True),
1097 ('sdesc', True),
1098 ('mode', True),
1099 ('type', True),
1100 ('extra_type', False),
1101 ('channel', False),
1102 ('ssid', False),
1103 ('wlan_mac', False),
1104 ('dhcp', True),
1105 ('compass', False),
1106 ('distance', False),
1107 ('ns_ip', False),
1108 ('repeater_ip', False),
1109 ('bullet2_ip', False),
1110 ('ns_mac', False),
1111 ('bullet2_mac', False),
1112 ('ns_type', False),
1113 ('bridge_type', False),
1114 ('members', True),
1115 ('status', True),
1116 )
1117
1118 for iface_key in sorted(iface_keys):
1119 try:
1120 remainder = set(datadump[iface_key].keys()) - set([x[0] for x in key_order])
1121 if remainder:
1122 raise KeyError("invalid keys: %s" % remainder)
1123
1124 output += "%s:\n" % iface_key
1125 for key,required in key_order:
1126 if datadump[iface_key].has_key(key):
1127 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
1128 output += "\n\n"
1129 except Exception as e:
1130 print "# Error while processing interface %s" % iface_key
1131 raise
1132
1133 return output
1134
1135
1136
1137def generate_wleiden_yaml(datadump, header=True):
1138 """ Generate (petty) version of wleiden.yaml"""
1139 output = generate_header(datadump, "#") if header else ''
1140
1141 for key in datadump.keys():
1142 if key.startswith('autogen_'):
1143 del datadump[key]
1144 # Interface autogen cleanups
1145 elif type(datadump[key]) == dict:
1146 for key2 in datadump[key].keys():
1147 if key2.startswith('autogen_'):
1148 del datadump[key][key2]
1149
1150 output += format_wleiden_yaml(datadump)
1151 return output
1152
1153def generate_nanostation_config(datadump, iface, ns_type):
1154 #TODO(rvdz): Make sure the proper nanostation IP and subnet is set
1155 datadump['iface_%s' % iface]['ns_ip'] = datadump['iface_%s' % iface]['ns_ip'].split('/')[0]
1156
1157 datadump.update(datadump['iface_%s' % iface])
1158
1159 return open(os.path.join(os.path.dirname(__file__), 'ns5m.cfg.tmpl'),'r').read() % datadump
1160
1161def generate_yaml(datadump):
1162 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
1163
1164
1165
1166def generate_config(node, config, datadump=None):
1167 """ Print configuration file 'config' of 'node' """
1168 output = ""
1169 try:
1170 # Load config file
1171 if datadump == None:
1172 datadump = get_yaml(node)
1173
1174 if config == 'wleiden.yaml':
1175 output += generate_wleiden_yaml(datadump)
1176 elif config == 'authorized_keys':
1177 f = open(os.path.join(NODE_DIR,"global_keys"), 'r')
1178 output += f.read()
1179 node_keys = os.path.join(NODE_DIR,node,'authorized_keys')
1180 # Fetch local keys if existing
1181 if os.path.exists(node_keys):
1182 output += open(node_keys, 'r').read()
1183 f.close()
1184 elif config == 'dnsmasq.conf':
1185 output += generate_dnsmasq_conf(datadump)
1186 elif config == 'dhcpd.conf':
1187 output += generate_dhcpd_conf(datadump)
1188 elif config == 'rc.conf.local':
1189 output += generate_rc_conf_local(datadump)
1190 elif config == 'resolv.conf':
1191 output += generate_resolv_conf(datadump)
1192 elif config == 'ntp.conf':
1193 output += generate_ntp_conf(datadump)
1194 elif config == 'motd':
1195 output += generate_motd(datadump)
1196 elif config == 'pf.hybrid.conf.local':
1197 output += generate_pf_hybrid_conf_local(datadump)
1198 elif config.startswith('vr'):
1199 interface, ns_type = config.strip('.yaml').split('-')
1200 output += generate_nanostation_config(datadump, interface, ns_type)
1201 else:
1202 assert False, "Config not found!"
1203 except IOError, e:
1204 output += "[ERROR] Config file not found"
1205 return output
1206
1207
1208
1209def process_cgi_request(environ=os.environ):
1210 """ When calling from CGI """
1211 response_headers = []
1212 content_type = 'text/plain'
1213
1214 # Update repository if requested
1215 form = urlparse.parse_qs(environ['QUERY_STRING']) if environ.has_key('QUERY_STRING') else None
1216 if form and form.has_key("action") and "update" in form["action"]:
1217 output = "[INFO] Updating subverion, please wait...\n"
1218 output += subprocess.Popen([SVN, 'cleanup', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1219 output += subprocess.Popen([SVN, 'up', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1220 output += "[INFO] All done, redirecting in 5 seconds"
1221 response_headers += [
1222 ('Refresh', '5; url=.'),
1223 ]
1224 reload_cache()
1225 else:
1226 base_uri = environ['PATH_INFO']
1227 uri = base_uri.strip('/').split('/')
1228
1229 output = "Template Holder"
1230 if base_uri.endswith('/create/network.kml'):
1231 content_type='application/vnd.google-earth.kml+xml'
1232 output = make_network_kml.make_graph()
1233 elif base_uri.endswith('/api/get/nodeplanner.json'):
1234 content_type='application/json'
1235 output = make_network_kml.make_nodeplanner_json()
1236 elif not uri[0]:
1237 if is_text_request(environ):
1238 output = '\n'.join(get_hostlist())
1239 else:
1240 content_type = 'text/html'
1241 output = generate_title(get_hostlist())
1242 elif len(uri) == 1:
1243 if is_text_request(environ):
1244 output = generate_node(uri[0])
1245 else:
1246 content_type = 'text/html'
1247 output = generate_node_overview(uri[0])
1248 elif len(uri) == 2:
1249 output = generate_config(uri[0], uri[1])
1250 else:
1251 assert False, "Invalid option"
1252
1253 # Return response
1254 response_headers += [
1255 ('Content-type', content_type),
1256 ('Content-Length', str(len(output))),
1257 ]
1258 return(response_headers, str(output))
1259
1260
1261def get_realname(datadump):
1262 # Proxy naming convention is special, as the proxy name is also included in
1263 # the nodename, when it comes to the numbered proxies.
1264 if datadump['nodetype'] == 'Proxy':
1265 realname = datadump['nodetype'] + datadump['nodename'].replace('proxy','')
1266 else:
1267 # By default the full name is listed and also a shortname CNAME for easy use.
1268 realname = datadump['nodetype'] + datadump['nodename']
1269 return(realname)
1270
1271
1272
1273def make_dns(output_dir = 'dns', external = False):
1274 items = dict()
1275
1276 # hostname is key, IP is value
1277 wleiden_zone = defaultdict(list)
1278 wleiden_cname = dict()
1279
1280 pool = dict()
1281 for node in get_hostlist():
1282 datadump = get_yaml(node)
1283
1284 # Proxy naming convention is special
1285 fqdn = datadump['autogen_realname']
1286 if datadump['nodetype'] in ['CNode', 'Hybrid']:
1287 wleiden_cname[datadump['nodename']] = fqdn
1288
1289 if datadump.has_key('rdr_host'):
1290 remote_target = datadump['rdr_host']
1291 elif datadump.has_key('remote_access') and datadump['remote_access']:
1292 remote_target = datadump['remote_access'].split(':')[0]
1293 else:
1294 remote_target = None
1295
1296 if remote_target:
1297 try:
1298 parseaddr(remote_target)
1299 wleiden_zone[datadump['nodename'] + '.gw'].append((remote_target, False))
1300 except (IndexError, ValueError):
1301 wleiden_cname[datadump['nodename'] + '.gw'] = remote_target + '.'
1302
1303
1304 wleiden_zone[fqdn].append((datadump['masterip'], True))
1305
1306 # Hacking to get proper DHCP IPs and hostnames
1307 for iface_key in get_interface_keys(datadump):
1308 iface_name = iface_key.replace('_','-')
1309 (ip, cidr) = datadump[iface_key]['ip'].split('/')
1310 try:
1311 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
1312 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
1313 dhcp_part = ".".join(ip.split('.')[0:3])
1314 if ip != datadump['masterip']:
1315 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)].append((ip, False))
1316 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
1317 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)].append(("%s.%s" % (dhcp_part, i), True))
1318 except (AttributeError, ValueError, KeyError):
1319 # First push it into a pool, to indentify the counter-part later on
1320 addr = parseaddr(ip)
1321 cidr = int(cidr)
1322 addr = addr & ~((1 << (32 - cidr)) - 1)
1323 if pool.has_key(addr):
1324 pool[addr] += [(iface_name, fqdn, ip)]
1325 else:
1326 pool[addr] = [(iface_name, fqdn, ip)]
1327 continue
1328
1329
1330
1331 # WL uses an /29 to configure an interface. IP's are ordered like this:
1332 # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
1333
1334 sn = lambda x: re.sub(r'(?i)^cnode','',x)
1335
1336 # Automatic naming convention of interlinks namely 2 + remote.lower()
1337 for (key,value) in pool.iteritems():
1338 # Make sure they are sorted from low-ip to high-ip
1339 value = sorted(value, key=lambda x: parseaddr(x[2]))
1340
1341 if len(value) == 1:
1342 (iface_name, fqdn, ip) = value[0]
1343 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)].append((ip, True))
1344
1345 # Device DNS names
1346 if 'cnode' in fqdn.lower():
1347 wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)].append((showaddr(parseaddr(ip) + 1), False))
1348 wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % ((iface_name, fqdn))
1349
1350 elif len(value) == 2:
1351 (a_iface_name, a_fqdn, a_ip) = value[0]
1352 (b_iface_name, b_fqdn, b_ip) = value[1]
1353 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)].append((a_ip, True))
1354 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)].append((b_ip, True))
1355
1356 # Device DNS names
1357 if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
1358 wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)].append((showaddr(parseaddr(a_ip) + 1), False))
1359 wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)].append((showaddr(parseaddr(b_ip) - 1), False))
1360 wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1361 wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1362 wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1363 wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1364
1365 else:
1366 pool_members = [k[1] for k in value]
1367 for item in value:
1368 (iface_name, fqdn, ip) = item
1369 wleiden_zone["2ring.%s" % (fqdn)].append((ip, True))
1370
1371 # Include static DNS entries
1372 # XXX: Should they override the autogenerated results?
1373 # XXX: Convert input to yaml more useable.
1374 # Format:
1375 ##; this is a comment
1376 ## roomburgh=CNodeRoomburgh1
1377 ## apkerk1.CNodeVosko=172.17.176.8 ;this as well
1378 dns_list = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
1379
1380 # Hack to allow special entries, for development
1381 wleiden_raw = {}
1382
1383 for line in dns_list:
1384 reverse = False
1385 k, items = line.items()[0]
1386 if type(items) == dict:
1387 if items.has_key('reverse'):
1388 reverse = items['reverse']
1389 items = items['a']
1390 else:
1391 items = items['cname']
1392 items = [items] if type(items) != list else items
1393 for item in items:
1394 if item.startswith('IN '):
1395 wleiden_raw[k] = item
1396 elif valid_addr(item):
1397 wleiden_zone[k].append((item, reverse))
1398 else:
1399 wleiden_cname[k] = item
1400
1401 # Hack to get dynamic pool listing
1402 def chunks(l, n):
1403 return [l[i:i+n] for i in range(0, len(l), n)]
1404
1405 ntp_servers = [x[0] for x in get_nameservers()]
1406 for id, chunk in enumerate(chunks(ntp_servers,(len(ntp_servers)/4))):
1407 for ntp_server in chunk:
1408 wleiden_zone['%i.pool.ntp' % id].append((ntp_server, False))
1409
1410 details = dict()
1411 # 24 updates a day allowed
1412 details['serial'] = time.strftime('%Y%m%d%H')
1413
1414 if external:
1415 dns_masters = ['siteview.wirelessleiden.nl', 'ns1.vanderzwet.net']
1416 else:
1417 dns_masters = ['sunny.wleiden.net'] + ["%s.wleiden.net" % x[1] for x in get_nameservers(max_servers=3)]
1418
1419 details['master'] = dns_masters[0]
1420 details['ns_servers'] = '\n'.join(['\tNS\t%s.' % x for x in dns_masters])
1421
1422 dns_header = '''
1423$TTL 3h
1424%(zone)s. SOA %(master)s. beheer.lijst.wirelessleiden.nl. ( %(serial)s 15m 15m 1w 60s )
1425 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
1426
1427%(ns_servers)s
1428 \n'''
1429
1430
1431 if not os.path.isdir(output_dir):
1432 os.makedirs(output_dir)
1433 details['zone'] = 'wleiden.net'
1434 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1435 f.write(dns_header % details)
1436
1437 for host,items in wleiden_zone.iteritems():
1438 for ip,reverse in items:
1439 if ip not in ['0.0.0.0']:
1440 f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
1441 for source,dest in wleiden_cname.iteritems():
1442 dest = dest if dest.endswith('.') else dest + ".wleiden.net."
1443 f.write("%s.wleiden.net. IN CNAME %s\n" % (source.lower(), dest.lower()))
1444 for source, dest in wleiden_raw.iteritems():
1445 f.write("%s.wleiden.net. %s\n" % (source, dest))
1446 f.close()
1447
1448 # Create whole bunch of specific sub arpa zones. To keep it compliant
1449 for s in range(16,32):
1450 details['zone'] = '%i.172.in-addr.arpa' % s
1451 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1452 f.write(dns_header % details)
1453
1454 #XXX: Not effient, fix to proper data structure and do checks at other
1455 # stages
1456 for host,items in wleiden_zone.iteritems():
1457 for ip,reverse in items:
1458 if not reverse:
1459 continue
1460 if valid_addr(ip):
1461 if valid_addr(ip):
1462 if int(ip.split('.')[1]) == s:
1463 rev_ip = '.'.join(reversed(ip.split('.')))
1464 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
1465 f.close()
1466
1467
1468def usage():
1469 print """Usage: %(prog)s <argument>
1470Argument:
1471\tstandalone [port] = Run configurator webserver [8000]
1472\tdns [outputdir] = Generate BIND compliant zone files in dns [./dns]
1473\tnagios-export [--heavy-load] = Generate basic nagios configuration file.
1474\tfull-export = Generate yaml export script for heatmap.
1475\tstatic [outputdir] = Generate all config files and store on disk
1476\t with format ./<outputdir>/%%NODE%%/%%FILE%% [./static]
1477\ttest <node> [<file>] = Receive output for certain node [all files].
1478\ttest-cgi <node> <file> = Receive output of CGI script [all files].
1479\tlist <status> <items> = List systems which have certain status
1480
1481Arguments:
1482\t<node> = NodeName (example: HybridRick)
1483\t<file> = %(files)s
1484\t<status> = all|up|down|planned
1485\t<items> = systems|nodes|proxies
1486
1487NOTE FOR DEVELOPERS; you can test your changes like this:
1488 BEFORE any changes in this code:
1489 $ ./gformat.py static /tmp/pre
1490 AFTER the changes:
1491 $ ./gformat.py static /tmp/post
1492 VIEW differences and VERIFY all are OK:
1493 $ diff -urI 'Generated' -r /tmp/pre /tmp/post
1494""" % { 'prog' : sys.argv[0], 'files' : '|'.join(files) }
1495 exit(0)
1496
1497
1498def is_text_request(environ=os.environ):
1499 """ Find out whether we are calling from the CLI or any text based CLI utility """
1500 try:
1501 return environ['HTTP_USER_AGENT'].split()[0] in ['curl', 'fetch', 'wget']
1502 except KeyError:
1503 return True
1504
1505def switchFormat(setting):
1506 if setting:
1507 return "YES"
1508 else:
1509 return "NO"
1510
1511def rlinput(prompt, prefill=''):
1512 import readline
1513 readline.set_startup_hook(lambda: readline.insert_text(prefill))
1514 try:
1515 return raw_input(prompt)
1516 finally:
1517 readline.set_startup_hook()
1518
1519def fix_conflict(left, right, default='i'):
1520 while True:
1521 print "## %-30s | %-30s" % (left, right)
1522 c = raw_input("## Solve Conflict (h for help) <l|r|e|i|> [%s]: " % default)
1523 if not c:
1524 c = default
1525
1526 if c in ['l','1']:
1527 return left
1528 elif c in ['r','2']:
1529 return right
1530 elif c in ['e', '3']:
1531 return rlinput("Edit: ", "%30s | %30s" % (left, right))
1532 elif c in ['i', '4']:
1533 return None
1534 else:
1535 print "#ERROR: '%s' is invalid input (left, right, edit or ignore)!" % c
1536
1537
1538
1539def print_cgi_response(response_headers, output):
1540 """Could we not use some kind of wsgi wrapper to make this output?"""
1541 for header in response_headers:
1542 print "%s: %s" % header
1543 print
1544 print output
1545
1546
1547def fill_cache():
1548 ''' Poor man re-loading of few cache items (the slow ones) '''
1549 for host in get_hostlist():
1550 get_yaml(host)
1551
1552
1553def reload_cache():
1554 clear_cache()
1555 fill_cache()
1556
1557
1558def main():
1559 """Hard working sub"""
1560 # Allow easy hacking using the CLI
1561 if not os.environ.has_key('PATH_INFO'):
1562 if len(sys.argv) < 2:
1563 usage()
1564
1565 if sys.argv[1] == "standalone":
1566 import SocketServer
1567 import CGIHTTPServer
1568 # Hop to the right working directory.
1569 os.chdir(os.path.dirname(__file__))
1570 try:
1571 PORT = int(sys.argv[2])
1572 except (IndexError,ValueError):
1573 PORT = 8000
1574
1575 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
1576 """ Serve this CGI from the root of the webserver """
1577 def is_cgi(self):
1578 if "favicon" in self.path:
1579 return False
1580
1581 self.cgi_info = (os.path.basename(__file__), self.path)
1582 self.path = ''
1583 return True
1584 handler = MyCGIHTTPRequestHandler
1585 SocketServer.TCPServer.allow_reuse_address = True
1586 httpd = SocketServer.TCPServer(("", PORT), handler)
1587 httpd.server_name = 'localhost'
1588 httpd.server_port = PORT
1589
1590 logger.info("serving at port %s", PORT)
1591 try:
1592 httpd.serve_forever()
1593 except KeyboardInterrupt:
1594 httpd.shutdown()
1595 logger.info("All done goodbye")
1596 elif sys.argv[1] == "test":
1597 # Basic argument validation
1598 try:
1599 node = sys.argv[2]
1600 datadump = get_yaml(node)
1601 except IndexError:
1602 print "Invalid argument"
1603 exit(1)
1604 except IOError as e:
1605 print e
1606 exit(1)
1607
1608
1609 # Get files to generate
1610 gen_files = sys.argv[3:] if len(sys.argv) > 3 else files
1611
1612 # Actual config generation
1613 for config in gen_files:
1614 logger.info("## Generating %s %s", node, config)
1615 print generate_config(node, config, datadump)
1616 elif sys.argv[1] == "test-cgi":
1617 os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
1618 os.environ['SCRIPT_NAME'] = __file__
1619 response_headers, output = process_cgi_request()
1620 print_cgi_response(response_headers, output)
1621 elif sys.argv[1] == "static":
1622 items = dict()
1623 items['output_dir'] = sys.argv[2] if len(sys.argv) > 2 else "./static"
1624 for node in get_hostlist():
1625 items['node'] = node
1626 items['wdir'] = "%(output_dir)s/%(node)s" % items
1627 if not os.path.isdir(items['wdir']):
1628 os.makedirs(items['wdir'])
1629 datadump = get_yaml(node)
1630 for config in files:
1631 items['config'] = config
1632 logger.info("## Generating %(node)s %(config)s" % items)
1633 f = open("%(wdir)s/%(config)s" % items, "w")
1634 f.write(generate_config(node, config, datadump))
1635 f.close()
1636 elif sys.argv[1] == "wind-export":
1637 items = dict()
1638 for node in get_hostlist():
1639 datadump = get_yaml(node)
1640 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
1641 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
1642 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
1643 VALUES (
1644 (SELECT id FROM users WHERE username = 'rvdzwet'),
1645 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
1646 'Y');""" % datadump
1647 #for config in files:
1648 # items['config'] = config
1649 # print "## Generating %(node)s %(config)s" % items
1650 # f = open("%(wdir)s/%(config)s" % items, "w")
1651 # f.write(generate_config(node, config, datadump))
1652 # f.close()
1653 for node in get_hostlist():
1654 datadump = get_yaml(node)
1655 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
1656 ifacedump = datadump[iface_key]
1657 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
1658 ifacedump['nodename'] = datadump['nodename']
1659 if not ifacedump.has_key('channel') or not ifacedump['channel']:
1660 ifacedump['channel'] = 0
1661 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
1662 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
1663 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
1664 elif sys.argv[1] == "nagios-export":
1665 try:
1666 heavy_load = (sys.argv[2] == "--heavy-load")
1667 except IndexError:
1668 heavy_load = False
1669
1670 hostgroup_details = {
1671 'wleiden' : 'Stichting Wireless Leiden - FreeBSD Nodes',
1672 'wzoeterwoude' : 'Stichting Wireless Leiden - Afdeling Zoeterwoude - Free-WiFi Project',
1673 'walphen' : 'Stichting Wireless Alphen',
1674 'westeinder' : 'Westeinder Plassen',
1675 }
1676
1677 # Convert IP to Host
1678 ip2host = {'root' : 'root'}
1679 for host in get_hostlist():
1680 datadump = get_yaml(host)
1681 ip2host[datadump['masterip']] = datadump['autogen_fqdn']
1682 for iface in datadump['autogen_iface_keys']:
1683 ip2host[datadump[iface]['autogen_gateway']] = datadump['autogen_fqdn']
1684
1685 # Find dependency tree based on output of lvrouted.mytree of nearest node
1686 parent = defaultdict(list)
1687 stack = ['root']
1688 prev_depth = 0
1689 for line in open('lvrouted.mytree').readlines():
1690 depth = line.count('\t')
1691 ip = line.strip().split()[0]
1692
1693 if prev_depth < depth:
1694 print ip2host[stack[-1]], " -> ", ip2host[ip]
1695 parent[ip2host[ip]].append(ip2host[stack[-1]])
1696 stack.append(ip)
1697 elif prev_depth > depth:
1698 stack = stack[:(depth - prev_depth)]
1699
1700 prev_depth = depth
1701 # Observe that some nodes has themself as parent or multiple parents
1702 # for now take only the first parent, other behaviour is yet to be explained
1703
1704
1705
1706 params = {
1707 'check_interval' : 5 if heavy_load else 120,
1708 'retry_interval' : 1 if heavy_load else 10,
1709 'max_check_attempts' : 10 if heavy_load else 6,
1710 'notification_interval': 120 if heavy_load else 240,
1711 }
1712
1713 print '''\
1714define host {
1715 name wleiden-node ; Default Node Template
1716 use generic-host ; Use the standard template as initial starting point
1717 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1718 check_interval %(check_interval)s ; Actively check the host every 5 minutes
1719 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
1720 notification_interval %(notification_interval)s
1721 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
1722 check_command check-host-alive ; Default command to check FreeBSD hosts
1723 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
1724}
1725
1726define service {
1727 name wleiden-service ; Default Service Template
1728 use generic-service ; Use the standard template as initial starting point
1729 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1730 check_interval %(check_interval)s ; Actively check the host every 5 minutes
1731 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
1732 notification_interval %(notification_interval)s
1733 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
1734 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
1735}
1736
1737# Please make sure to install:
1738# make -C /usr/ports/net-mgmt/nagios-check_netsnmp install clean
1739#
1740# Recompile net-mgmt/nagios-plugins to support check_snmp
1741# make -C /usr/ports/net-mgmt/nagios-plugins
1742#
1743# Install net/bind-tools to allow v2/check_dns_wl to work:
1744# pkg install bind-tools
1745#
1746define command{
1747 command_name check_snmp_disk
1748 command_line $USER1$/check_snmp_disk -H $HOSTADDRESS$ -C public
1749}
1750
1751define command{
1752 command_name check_netsnmp_load
1753 command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ -C public -w 80 -c 90
1754}
1755
1756define command{
1757 command_name check_netsnmp_proc
1758 command_line $USER1$/check_snmp_proc -H $HOSTADDRESS$ -C public
1759}
1760
1761define command{
1762 command_name check_by_ssh
1763 command_line $USER1$/check_by_ssh -H $HOSTADDRESS$ -p $ARG1$ -C "$ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$"
1764}
1765
1766define command{
1767 command_name check_dns_wl
1768 command_line $USER1$/v2/check_dns_wl $HOSTADDRESS$ $ARG1$
1769}
1770
1771define command{
1772 command_name check_snmp_uptime
1773 command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C public -o .1.3.6.1.2.1.1.3.0
1774}
1775
1776
1777# TDB: dhcp leases
1778# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 exec
1779
1780# TDB: internet status
1781# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 file
1782
1783# TDB: Advanced local passive checks
1784# /usr/local/libexec/nagios/check_by_ssh
1785''' % params
1786
1787 print '''\
1788# Service Group, not displayed by default
1789define hostgroup {
1790 hostgroup_name srv_hybrid
1791 alias All Hybrid Nodes
1792 register 0
1793}
1794
1795define service {
1796 use wleiden-service
1797 hostgroup_name srv_hybrid
1798 service_description SSH
1799 check_command check_ssh
1800}
1801
1802define service {
1803 use wleiden-service
1804 hostgroup_name srv_hybrid
1805 service_description HTTP
1806 check_command check_http
1807}
1808
1809define service {
1810 use wleiden-service
1811 hostgroup_name srv_hybrid
1812 service_description DNS
1813 check_command check_dns_wl!"www.wirelessleiden.nl"
1814}
1815'''
1816
1817 if heavy_load:
1818 print '''\
1819define service {
1820 use wleiden-service
1821 hostgroup_name srv_hybrid
1822 service_description UPTIME
1823 check_command check_snmp_uptime
1824}
1825
1826#define service {
1827# use wleiden-service
1828# hostgroup_name srv_hybrid
1829# service_description NTP
1830# check_command check_ntp_peer
1831#}
1832
1833define service {
1834 use wleiden-service
1835 hostgroup_name srv_hybrid
1836 service_description LOAD
1837 check_command check_netsnmp_load
1838}
1839
1840define service {
1841 use wleiden-service
1842 hostgroup_name srv_hybrid
1843 service_description PROC
1844 check_command check_netsnmp_proc
1845}
1846
1847define service {
1848 use wleiden-service
1849 hostgroup_name srv_hybrid
1850 service_description DISK
1851 check_command check_snmp_disk
1852}
1853'''
1854 for node in get_hostlist():
1855 datadump = get_yaml(node)
1856 if not datadump['status'] == 'up':
1857 continue
1858 if not hostgroup_details.has_key(datadump['monitoring_group']):
1859 hostgroup_details[datadump['monitoring_group']] = datadump['monitoring_group']
1860 print '''\
1861define host {
1862 use wleiden-node
1863 contact_groups admins
1864 host_name %(autogen_fqdn)s
1865 address %(masterip)s
1866 hostgroups srv_hybrid,%(monitoring_group)s\
1867''' % datadump
1868 if len(parent[datadump['autogen_fqdn']]) > 0:
1869 print '''\
1870 parent %(parent)s\
1871''' % { 'parent' : parent[datadump['autogen_fqdn']][0] }
1872 print '''\
1873}
1874'''
1875
1876
1877 for name,alias in hostgroup_details.iteritems():
1878 print '''\
1879define hostgroup {
1880 hostgroup_name %s
1881 alias %s
1882} ''' % (name, alias)
1883
1884
1885 elif sys.argv[1] == "full-export":
1886 hosts = {}
1887 for node in get_hostlist():
1888 datadump = get_yaml(node)
1889 hosts[datadump['nodename']] = datadump
1890 print yaml.dump(hosts)
1891
1892 elif sys.argv[1] == "dns":
1893 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns', 'external' in sys.argv)
1894 elif sys.argv[1] == "cleanup":
1895 # First generate all datadumps
1896 datadumps = dict()
1897 ssid_to_node = dict()
1898 for host in get_hostlist():
1899 logger.info("# Processing: %s", host)
1900 # Set some boring default values
1901 datadump = { 'board' : 'UNKNOWN' }
1902 datadump.update(get_yaml(host))
1903 datadumps[datadump['autogen_realname']] = datadump
1904
1905 (poel, errors) = make_relations(datadumps)
1906 print "\n".join(["# WARNING: %s" % x for x in errors])
1907
1908 for host,datadump in datadumps.iteritems():
1909 try:
1910 # Convert all yes and no to boolean values
1911 def fix_boolean(dump):
1912 for key in dump.keys():
1913 if type(dump[key]) == dict:
1914 dump[key] = fix_boolean(dump[key])
1915 elif str(dump[key]).lower() in ["yes", "true"]:
1916 dump[key] = True
1917 elif str(dump[key]).lower() in ["no", "false"]:
1918 # Compass richting no (Noord Oost) is valid input
1919 if key != "compass": dump[key] = False
1920 return dump
1921 datadump = fix_boolean(datadump)
1922
1923 if datadump['rdnap_x'] and datadump['rdnap_y']:
1924 datadump['latitude'], datadump['longitude'] = map(lambda x: "%.5f" % x, rd2etrs(datadump['rdnap_x'], datadump['rdnap_y']))
1925 elif datadump['latitude'] and datadump['longitude']:
1926 datadump['rdnap_x'], datadump['rdnap_y'] = etrs2rd(datadump['latitude'], datadump['longitude'])
1927
1928 if datadump['nodename'].startswith('Proxy'):
1929 datadump['nodename'] = datadump['nodename'].lower()
1930
1931 for iface_key in datadump['autogen_iface_keys']:
1932 try:
1933 # All our normal wireless cards are normal APs now
1934 if datadump[iface_key]['type'] in ['11a', '11b', '11g', 'wireless']:
1935 datadump[iface_key]['mode'] = 'ap'
1936 # Wireless Leiden SSID have an consistent lowercase/uppercase
1937 if datadump[iface_key].has_key('ssid'):
1938 ssid = datadump[iface_key]['ssid']
1939 prefix = 'ap-WirelessLeiden-'
1940 if ssid.lower().startswith(prefix.lower()):
1941 datadump[iface_key]['ssid'] = prefix + ssid[len(prefix)].upper() + ssid[len(prefix) + 1:]
1942 if datadump[iface_key].has_key('ns_ip') and not datadump[iface_key].has_key('mode'):
1943 datadump[iface_key]['mode'] = 'autogen-FIXME'
1944 if not datadump[iface_key].has_key('comment'):
1945 datadump[iface_key]['comment'] = 'autogen-FIXME'
1946
1947 if datadump[iface_key].has_key('ns_mac'):
1948 datadump[iface_key]['ns_mac'] = datadump[iface_key]['ns_mac'].lower()
1949
1950 if datadump[iface_key]['comment'].startswith('autogen-') and datadump[iface_key].has_key('comment'):
1951 datadump[iface_key] = datadump[iface_key]['desc']
1952
1953 # We are not using 802.11b anymore. OFDM is preferred over DSSS
1954 # due to better collision avoidance.
1955 if datadump[iface_key]['type'] == '11b':
1956 datadump[iface_key]['type'] = '11g'
1957
1958 # Setting 802.11g channels to de-facto standards, to avoid
1959 # un-detected sharing with other overlapping channels
1960 #
1961 # Technically we could also use channel 13 in NL, but this is not
1962 # recommended as foreign devices might not be able to select this
1963 # channel. Secondly using 1,5,9,13 instead is going to clash with
1964 # the de-facto usage of 1,6,11.
1965 #
1966 # See: https://en.wikipedia.org/wiki/List_of_WLAN_channels
1967 channels_at_2400Mhz = (1,6,11)
1968 if datadump[iface_key]['type'] == '11g' and datadump[iface_key].has_key('channel'):
1969 datadump[iface_key]['channel'] = int(datadump[iface_key]['channel'])
1970 if datadump[iface_key]['channel'] not in channels_at_2400Mhz:
1971 datadump[iface_key]['channel'] = random.choice(channels_at_2400Mhz)
1972
1973 # Mandatory interface keys
1974 if not datadump[iface_key].has_key('status'):
1975 datadump[iface_key]['status'] = 'planned'
1976
1977 x = datadump[iface_key]['comment']
1978 datadump[iface_key]['comment'] = x[0].upper() + x[1:]
1979
1980 # Fixing bridge_type if none is found
1981 if datadump[iface_key].get('extra_type', '') == 'eth2wifibridge':
1982 if not 'bridge_type' in datadump[iface_key]:
1983 datadump[iface_key]['bridge_type'] = 'NanoStation M5'
1984
1985 # Making sure description works
1986 if datadump[iface_key].has_key('desc'):
1987 if datadump[iface_key]['comment'].lower() == datadump[iface_key]['desc'].lower():
1988 del datadump[iface_key]['desc']
1989 else:
1990 print "# ERROR: At %s - %s" % (datadump['nodename'], iface_key)
1991 response = fix_conflict(datadump[iface_key]['comment'], datadump[iface_key]['desc'])
1992 if response:
1993 datadump[iface_key]['comment'] = response
1994 del datadump[iface_key]['desc']
1995
1996 # Check DHCP configuration
1997 dhcp_type(datadump[iface_key])
1998
1999 # Set the compass value based on the angle between the poels
2000 if datadump[iface_key].has_key('ns_ip'):
2001 my_pool = poel[network(datadump[iface_key]['ip'])]
2002 remote_hosts = list(set([x[0] for x in my_pool]) - set([host]))
2003 if remote_hosts:
2004 compass_target = remote_hosts[0]
2005 datadump[iface_key]['compass'] = cd_between_hosts(host, compass_target, datadumps)
2006
2007 # Monitoring Group default
2008 if not 'monitoring_group' in datadump:
2009 datadump['monitoring_group'] = 'wleiden'
2010
2011 except Exception as e:
2012 print "# Error while processing interface %s" % iface_key
2013 raise
2014 store_yaml(datadump)
2015 except Exception as e:
2016 print "# Error while processing %s" % host
2017 raise
2018 elif sys.argv[1] == "list":
2019 use_fqdn = False
2020 if len(sys.argv) < 4 or not sys.argv[2] in ["up", "down", "planned", "all"]:
2021 usage()
2022 if sys.argv[3] == "nodes":
2023 systems = get_nodelist()
2024 elif sys.argv[3] == "proxies":
2025 systems = get_proxylist()
2026 elif sys.argv[3] == "systems":
2027 systems = get_hostlist()
2028 else:
2029 usage()
2030 if len(sys.argv) > 4:
2031 if sys.argv[4] == "fqdn":
2032 use_fqdn = True
2033 else:
2034 usage()
2035
2036 for system in systems:
2037 datadump = get_yaml(system)
2038
2039 output = datadump['autogen_fqdn'] if use_fqdn else system
2040 if sys.argv[2] == "all":
2041 print output
2042 elif datadump['status'] == sys.argv[2]:
2043 print output
2044 elif sys.argv[1] == "create":
2045 if sys.argv[2] == "network.kml":
2046 print make_network_kml.make_graph()
2047 elif sys.argv[2] == "host-ips.txt":
2048 for system in get_hostlist():
2049 datadump = get_yaml(system)
2050 ips = [datadump['masterip']]
2051 for ifkey in datadump['autogen_iface_keys']:
2052 ips.append(datadump[ifkey]['ip'].split('/')[0])
2053 print system, ' '.join(ips)
2054 elif sys.argv[2] == "host-pos.txt":
2055 for system in get_hostlist():
2056 datadump = get_yaml(system)
2057 print system, datadump['rdnap_x'], datadump['rdnap_y']
2058 elif sys.argv[2] == 'ssh_config':
2059 print '''
2060Host *.wleiden.net
2061 User root
2062
2063Host 172.16.*.*
2064 User root
2065'''
2066 for system in get_hostlist():
2067 datadump = get_yaml(system)
2068 print '''\
2069Host %s
2070 User root
2071
2072Host %s
2073 User root
2074
2075Host %s
2076 User root
2077
2078Host %s
2079 User root
2080''' % (system, system.lower(), datadump['nodename'], datadump['nodename'].lower())
2081 else:
2082 usage()
2083 else:
2084 usage()
2085 else:
2086 # Do not enable debugging for config requests as it highly clutters the output
2087 if not is_text_request():
2088 cgitb.enable()
2089 response_headers, output = process_cgi_request()
2090 print_cgi_response(response_headers, output)
2091
2092def application(environ, start_response):
2093 status = '200 OK'
2094 response_headers, output = process_cgi_request(environ)
2095 start_response(status, response_headers)
2096
2097 # Debugging only
2098 # output = 'wsgi.multithread = %s' % repr(environ['wsgi.multithread'])
2099 # soutput += '\nwsgi.multiprocess = %s' % repr(environ['wsgi.multiprocess'])
2100 return [output]
2101
2102if __name__ == "__main__":
2103 main()
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