source: genesis/tools/gformat.py@ 13525

Last change on this file since 13525 was 13525, checked in by rick, 9 years ago

Convert to autobridge, since addm will fail if interface is missing (like ue0 for example).

While here try to fix spaces in SSIDs

  • Property svn:executable set to *
  • Property svn:keywords set to Id
File size: 72.7 KB
Line 
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
58from sys import stderr
59try:
60 import yaml
61except ImportError, e:
62 print e
63 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
64 exit(1)
65
66try:
67 from yaml import CLoader as Loader
68 from yaml import CDumper as Dumper
69except ImportError:
70 from yaml import Loader, Dumper
71
72from jinja2 import Environment, Template
73def yesorno(value):
74 return "YES" if bool(value) else "NO"
75env = Environment()
76env.filters['yesorno'] = yesorno
77def render_template(datadump, template):
78 result = env.from_string(template).render(datadump)
79 # Make it look pretty to the naked eye, as jinja templates are not so
80 # friendly when it comes to whitespace formatting
81 ## Remove extra whitespace at end of line lstrip() style.
82 result = re.sub(r'\n[\ ]+','\n', result)
83 ## Include only a single newline between an definition and a comment
84 result = re.sub(r'(["\'])\n+([a-z]|\n#\n)',r'\1\n\2', result)
85 ## Remove extra newlines after single comment
86 result = re.sub(r'(#\n)\n+([a-z])',r'\1\2', result)
87 return result
88
89import logging
90logging.basicConfig(format='# %(levelname)s: %(message)s' )
91logger = logging.getLogger()
92logger.setLevel(logging.DEBUG)
93
94
95if os.environ.has_key('CONFIGROOT'):
96 NODE_DIR = os.environ['CONFIGROOT']
97else:
98 NODE_DIR = os.path.abspath(os.path.dirname(__file__)) + '/../nodes'
99__version__ = '$Id: gformat.py 13525 2015-12-16 21:05:56Z rick $'
100
101files = [
102 'authorized_keys',
103 'dnsmasq.conf',
104 'dhcpd.conf',
105 'rc.conf.local',
106 'resolv.conf',
107 'motd',
108 'ntp.conf',
109 'pf.hybrid.conf.local',
110 'wleiden.yaml',
111 ]
112
113# Global variables uses
114OK = 10
115DOWN = 20
116UNKNOWN = 90
117
118
119ileiden_proxies = []
120normal_proxies = []
121datadump_cache = {}
122interface_list_cache = {}
123rc_conf_local_cache = {}
124nameservers_cache = []
125relations_cache = None
126def clear_cache():
127 ''' Poor mans cache implementation '''
128 global datadump_cache, interface_list_cache, rc_conf_local_cache, ileiden_proxies, normal_proxies, nameservers_cache
129 datadump_cache = {}
130 interface_list_cache = {}
131 rc_conf_local_cache = {}
132 ileiden_proxies = []
133 normal_proxies = []
134 nameservers_cache = []
135 relations_cache = None
136
137NO_DHCP = 0
138DHCP_CLIENT = 10
139DHCP_SERVER = 20
140def dhcp_type(item):
141 if not item.has_key('dhcp'):
142 return NO_DHCP
143 elif not item['dhcp']:
144 return NO_DHCP
145 elif item['dhcp'].lower() == 'client':
146 return DHCP_CLIENT
147 else:
148 # Validation Checks
149 begin,end = map(int,item['dhcp'].split('-'))
150 if begin >= end:
151 raise ValueError("DHCP Start >= DHCP End")
152 return DHCP_SERVER
153
154def etrs2rd(lat, lon):
155 p1 = pyproj.Proj(proj='latlon',datum='WGS84')
156 p2 = pyproj.Proj(init='EPSG:28992')
157 RDx, RDy = pyproj.transform(p1,p2,lon, lat)
158 return (RDx, RDy)
159
160def rd2etrs(RDx, RDy):
161 p1 = pyproj.Proj(init='EPSG:28992')
162 p2 = pyproj.Proj(proj='latlon',datum='WGS84')
163 lon, lat = pyproj.transform(p1,p2, RDx, RDy)
164 return (lat, lon)
165
166def get_yaml(item,add_version_info=True):
167 try:
168 """ Get configuration yaml for 'item'"""
169 if datadump_cache.has_key(item):
170 return datadump_cache[item].copy()
171
172 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
173
174 # Default values
175 datadump = {
176 'autogen_revision' : 'NOTFOUND',
177 'autogen_gfile' : gfile,
178 'service_proxy_ileiden' : False,
179 }
180 f = open(gfile, 'r')
181 datadump.update(yaml.load(f,Loader=Loader))
182 if datadump['nodetype'] == 'Hybrid':
183 # Some values are defined implicitly
184 if datadump.has_key('rdr_rules') and datadump['rdr_rules'] and not datadump.has_key('service_incoming_rdr'):
185 datadump['service_incoming_rdr'] = True
186 # Use some boring defaults
187 defaults = {
188 'service_proxy_normal' : False,
189 'service_accesspoint' : True,
190 'service_incoming_rdr' : False,
191 'service_concentrator' : False,
192 'monitoring_group' : 'wleiden',
193 }
194 for (key,value) in defaults.iteritems():
195 if not datadump.has_key(key):
196 datadump[key] = value
197 f.close()
198
199 # Sometimes getting version information is useless or harmfull, like in the pre-commit hooks
200 if add_version_info:
201 p = subprocess.Popen([SVN, 'info', datadump['autogen_gfile']], stderr=subprocess.STDOUT, stdout=subprocess.PIPE)
202 lines = p.communicate()[0].split('\n')
203 if p.returncode == 0:
204 for line in lines:
205 if line:
206 (key, value) = line.split(': ')
207 datadump["autogen_" + key.lower().replace(' ','_')] = value
208
209 # Preformat certain needed variables for formatting and push those into special object
210 datadump['autogen_iface_keys'] = get_interface_keys(datadump)
211
212 wlan_count=0
213 try:
214 for key in get_interface_keys(datadump, True):
215 datadump[key]['autogen_ifbase'] = key.split('_')[1]
216 datadump[key]['autogen_vlan'] = False
217
218 datadump[key]['autogen_gateway'] = datadump[key]['ip'].split('/')[0]
219 if datadump[key]['type'] in ['11a', '11b', '11g', 'wireless']:
220 datadump[key]['autogen_ifname'] = 'wlan%i' % wlan_count
221 wlan_count += 1
222 else:
223 datadump[key]['autogen_ifname'] = '_'.join(key.split('_')[1:])
224 if len(key.split('_')) > 2 and key.split('_')[2].isdigit():
225 datadump[key]['autogen_vlan'] = key.split('_')[2]
226
227 datadump[key]['autogen_bridge'] = datadump[key]['autogen_ifbase'].startswith('bridge')
228 if datadump[key]['autogen_bridge'] and not 'alias' in key:
229 datadump[key]['autogen_bridge_interfaces'] = datadump[key]['members'].split()
230 except Exception:
231 print "# Error while processing interface %s" % key
232 raise
233
234 dhcp_interfaces = [datadump[key]['autogen_ifname'] for key in datadump['autogen_iface_keys'] \
235 if dhcp_type(datadump[key]) == DHCP_SERVER]
236
237 datadump['autogen_dhcp_interfaces'] = [x.replace('_','.') for x in dhcp_interfaces]
238 datadump['autogen_item'] = item
239
240 datadump['autogen_domain'] = datadump['domain'] if datadump.has_key('domain') else 'wleiden.net.'
241 datadump['autogen_fqdn'] = datadump['nodename'] + '.' + datadump['autogen_domain']
242 datadump_cache[item] = datadump.copy()
243 except Exception:
244 print "# Error while processing %s" % item
245 raise
246 return datadump
247
248
249def store_yaml(datadump, header=False):
250 """ Store configuration yaml for 'item'"""
251 item = datadump['autogen_item']
252 gfile = os.path.join(NODE_DIR,item,'wleiden.yaml')
253
254 output = generate_wleiden_yaml(datadump, header)
255
256 f = open(gfile, 'w')
257 f.write(output)
258 f.close()
259
260
261def network(ip):
262 addr, mask = ip.split('/')
263 # Not parsing of these folks please
264 addr = parseaddr(addr)
265 mask = int(mask)
266 network = addr & ~((1 << (32 - mask)) - 1)
267 return network
268
269
270
271def make_relations():
272 """ Process _ALL_ yaml files to get connection relations """
273 global relations_cache
274
275 if relations_cache:
276 return relations_cache
277
278 errors = []
279 poel = defaultdict(list)
280
281 for host in get_hostlist():
282 datadump = get_yaml(host)
283 try:
284 for iface_key in get_interface_keys(datadump):
285 net_addr = network(datadump[iface_key]['ip'])
286 poel[net_addr] += [(host,datadump[iface_key].copy())]
287 except (KeyError, ValueError), e:
288 errors.append("[FOUT] in '%s' interface '%s' (%s)" % (host,iface_key, e))
289 continue
290
291 relations_cache = (poel, errors)
292 return relations_cache
293
294
295
296def valid_addr(addr):
297 """ Show which address is valid in which are not """
298 return str(addr).startswith('172.')
299
300def get_hostlist():
301 """ Combined hosts and proxy list"""
302 return sorted([os.path.basename(os.path.dirname(x)) for x in glob.glob("%s/*/wleiden.yaml" % (NODE_DIR))])
303
304def angle_between_points(lat1,lat2,long1,long2):
305 """
306 Return Angle in radians between two GPS coordinates
307 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
308 """
309 dy = lat2 - lat1
310 dx = math.cos(lat1)*(long2 - long1)
311 angle = math.atan2(dy,dx)
312 return angle
313
314
315
316def angle_to_cd(angle):
317 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
318
319 # For easy conversion get positive degree
320 degrees = math.degrees(angle)
321 abs_degrees = 360 + degrees if degrees < 0 else degrees
322
323 # Numbers can be confusing calculate from the 4 main directions
324 p = 22.5
325 if abs_degrees < p:
326 cd = "n"
327 elif abs_degrees < (90 - p):
328 cd = "no"
329 elif abs_degrees < (90 + p):
330 cd = "o"
331 elif abs_degrees < (180 - p):
332 cd = "zo"
333 elif abs_degrees < (180 + p):
334 cd = "z"
335 elif abs_degrees < (270 - p):
336 cd = "zw"
337 elif abs_degrees < (270 + p):
338 cd = "w"
339 elif abs_degrees < (360 - p):
340 cd = "nw"
341 else:
342 cd = "n"
343 return cd
344
345
346
347def cd_between_hosts(hostA, hostB, datadumps):
348 # Using RDNAP coordinates
349 dx = float(int(datadumps[hostA]['rdnap_x']) - int(datadumps[hostB]['rdnap_x'])) * -1
350 dy = float(int(datadumps[hostA]['rdnap_y']) - int(datadumps[hostB]['rdnap_y'])) * -1
351 return angle_to_cd(math.atan2(dx,dy))
352
353 # GPS coordinates seems to fail somehow
354 #latA = float(datadumps[hostA]['latitude'])
355 #latB = float(datadumps[hostB]['latitude'])
356 #lonA = float(datadumps[hostA]['longitude'])
357 #lonB = float(datadumps[hostB]['longitude'])
358 #return angle_to_cd(angle_between_points(latA, latB, lonA, lonB))
359
360
361def generate_title(nodelist):
362 """ Main overview page """
363 items = {'root' : "." }
364 def fl(spaces, line):
365 return (' ' * spaces) + line + '\n'
366
367 output = """
368<html>
369 <head>
370 <title>Wireless leiden Configurator - GFormat</title>
371 <style type="text/css">
372 th {background-color: #999999}
373 tr:nth-child(odd) {background-color: #cccccc}
374 tr:nth-child(even) {background-color: #ffffff}
375 th, td {padding: 0.1em 1em}
376 </style>
377 </head>
378 <body>
379 <center>
380 <form type="GET" action="%(root)s">
381 <input type="hidden" name="action" value="update">
382 <input type="submit" value="Update Configuration Database (SVN)">
383 </form>
384 <table>
385 <caption><h3>Wireless Leiden Configurator</h3></caption>
386 """ % items
387
388 for node in nodelist:
389 items['node'] = node
390 output += fl(5, '<tr>') + fl(7,'<td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items)
391 for config in files:
392 items['config'] = config
393 output += fl(7,'<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items)
394 output += fl(5, "</tr>")
395 output += """
396 </table>
397 <hr />
398 <em>%s</em>
399 </center>
400 </body>
401</html>
402 """ % __version__
403
404 return output
405
406
407
408def generate_node(node):
409 """ Print overview of all files available for node """
410 return "\n".join(files)
411
412def generate_node_overview(host):
413 """ Print overview of all files available for node """
414 datadump = get_yaml(host)
415 params = { 'host' : host }
416 output = "<em><a href='..'>Back to overview</a></em><hr />"
417 output += "<h2>Available files:</h2><ul>"
418 for cf in files:
419 params['cf'] = cf
420 output += '<li><a href="%(host)s/%(cf)s">%(cf)s</a></li>\n' % params
421 output += "</ul>"
422
423 # Generate and connection listing
424 output += "<h2>Connected To:</h2><ul>"
425 (poel, errors) = make_relations()
426 for network, hosts in poel.iteritems():
427 if host in [x[0] for x in hosts]:
428 if len(hosts) == 1:
429 # Single not connected interface
430 continue
431 for remote,ifacedump in hosts:
432 if remote == host:
433 # This side of the interface
434 continue
435 params = { 'remote': remote, 'remote_ip' : ifacedump['ip'] }
436 output += '<li><a href="%(remote)s">%(remote)s</a> -- %(remote_ip)s</li>\n' % params
437 output += "</ul>"
438 output += "<h2>MOTD details:</h2><pre>" + generate_motd(datadump) + "</pre>"
439
440 output += "<hr /><em><a href='..'>Back to overview</a></em>"
441 return output
442
443
444def generate_header(datadump, ctag="#"):
445 return """\
446%(ctag)s
447%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
448%(ctag)s
449""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname(), 'revision' : datadump['autogen_revision'] }
450
451
452
453def parseaddr(s):
454 """ Process IPv4 CIDR notation addr to a (binary) number """
455 f = s.split('.')
456 return (long(f[0]) << 24L) + \
457 (long(f[1]) << 16L) + \
458 (long(f[2]) << 8L) + \
459 long(f[3])
460
461
462
463def showaddr(a):
464 """ Display IPv4 addr in (dotted) CIDR notation """
465 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
466
467
468def is_member(ip, mask, canidate):
469 """ Return True if canidate is part of ip/mask block"""
470 ip_addr = parseaddr(ip)
471 ip_canidate = parseaddr(canidate)
472 mask = int(mask)
473 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
474 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
475 return ip_addr == ip_canidate
476
477
478
479def cidr2netmask(netmask):
480 """ Given a 'netmask' return corresponding CIDR """
481 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
482
483def get_network(addr, mask):
484 return showaddr(parseaddr(addr) & ~((1 << (32 - int(mask))) - 1))
485
486
487def generate_dhcpd_conf(datadump):
488 """ Generate config file '/usr/local/etc/dhcpd.conf """
489 output = generate_header(datadump)
490 output += Template("""\
491# option definitions common to all supported networks...
492option domain-name "dhcp.{{ autogen_fqdn }}";
493
494default-lease-time 600;
495max-lease-time 7200;
496
497# Use this to enble / disable dynamic dns updates globally.
498#ddns-update-style none;
499
500# If this DHCP server is the official DHCP server for the local
501# network, the authoritative directive should be uncommented.
502authoritative;
503
504# Use this to send dhcp log messages to a different log file (you also
505# have to hack syslog.conf to complete the redirection).
506log-facility local7;
507
508#
509# Interface definitions
510#
511\n\n""").render(datadump)
512
513
514 # TODO: Use textwrap.fill instead
515 def indent(text, count):
516 return '\n'.join(map(lambda x: ' ' * count + x, text.split('\n')))
517
518 dhcp_out = defaultdict(list)
519 for iface_key in get_interface_keys(datadump):
520 ifname = datadump[iface_key]['autogen_ifbase']
521 if not datadump[iface_key].has_key('comment'):
522 datadump[iface_key]['comment'] = None
523
524 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
525 dhcp_out[iface_key].append("## %(autogen_ifname)s - %(comment)s\n" % datadump[iface_key])
526 else:
527 dhcp_out['bridge0'].append(" ## %(autogen_ifname)s - %(comment)s\n" % datadump[iface_key])
528
529 (addr, mask) = datadump[iface_key]['ip'].split('/')
530 datadump[iface_key]['autogen_addr'] = addr
531 datadump[iface_key]['autogen_netmask'] = cidr2netmask(mask)
532 datadump[iface_key]['autogen_subnet'] = get_network(addr, mask)
533
534 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
535 dhcp_out[iface_key].append(textwrap.dedent("""\
536 subnet %(autogen_subnet)s netmask %(autogen_netmask)s {
537 ### not autoritive
538 }
539 """ % datadump[iface_key]))
540 continue
541
542 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
543 dhcp_part = ".".join(addr.split('.')[0:3])
544 datadump[iface_key]['autogen_dhcp_start'] = dhcp_part + "." + dhcp_start
545 datadump[iface_key]['autogen_dhcp_stop'] = dhcp_part + "." + dhcp_stop
546
547 # Assume the first 10 IPs could be used for static entries
548 if 'no_portal' in datadump:
549 fixed = 5
550 for mac in datadump['no_portal']:
551 dhcp_out['bridge0'].append("""\
552 host fixed-%(ifname)s-%(fixed)s {
553 hardware ethernet %(mac)s;
554 fixed-address %(prefix)s.%(fixed)s;
555 }
556""" % { 'ifname' : ifname, 'mac' : mac, 'prefix': dhcp_part, 'fixed' : fixed })
557 fixed += 1
558
559 dhcp_out['bridge0'].append("""\
560 subnet %(autogen_subnet)s netmask %(autogen_netmask)s {
561 range %(autogen_dhcp_start)s %(autogen_dhcp_stop)s;
562 option routers %(autogen_addr)s;
563 option domain-name-servers %(autogen_addr)s;
564 }
565
566""" % datadump[iface_key])
567
568 for ifname,value in dhcp_out.iteritems():
569 if ifname == 'bridge0':
570 output += ("shared-network %s {\n" % ifname) + ''.join(value) + '}\n\n'
571 else:
572 output += ''.join(value) + "\n\n"
573 return output
574
575
576
577def generate_dnsmasq_conf(datadump):
578 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
579 output = generate_header(datadump)
580 output += Template("""\
581# DHCP server options
582dhcp-authoritative
583dhcp-fqdn
584domain=dhcp.{{ autogen_fqdn }}
585domain-needed
586expand-hosts
587log-async=100
588
589# Low memory footprint
590cache-size=10000
591
592\n""").render(datadump)
593
594 for iface_key in get_interface_keys(datadump):
595 if not datadump[iface_key].has_key('comment'):
596 datadump[iface_key]['comment'] = None
597 output += "## %(autogen_ifname)s - %(comment)s\n" % datadump[iface_key]
598
599 if dhcp_type(datadump[iface_key]) != DHCP_SERVER:
600 output += "# not autoritive\n\n"
601 continue
602
603 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
604 (ip, cidr) = datadump[iface_key]['ip'].split('/')
605 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
606
607 dhcp_part = ".".join(ip.split('.')[0:3])
608 datadump[iface_key]['autogen_dhcp_start'] = dhcp_part + "." + dhcp_start
609 datadump[iface_key]['autogen_dhcp_stop'] = dhcp_part + "." + dhcp_stop
610 output += "dhcp-range=%(autogen_ifname)s,%(autogen_dhcp_start)s,%(autogen_dhcp_stop)s,%(autogen_netmask)s,24h\n\n" % datadump[iface_key]
611
612 return output
613
614
615def make_interface_list(datadump):
616 if interface_list_cache.has_key(datadump['autogen_item']):
617 return (interface_list_cache[datadump['autogen_item']])
618 # lo0 configuration:
619 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
620 # - masterip is special as it needs to be assigned to at
621 # least one interface, so if not used assign to lo0
622 addrs_list = { 'lo0' : [("127.0.0.1/8", "LocalHost"), ("172.31.255.1/32","Proxy IP")] }
623 vlan_list = defaultdict(list)
624 dhclient_if = {'lo0' : False}
625
626 # XXX: Find some way of send this output nicely
627 output = ''
628
629 masterip_used = False
630 for iface_key in get_interface_keys(datadump):
631 if datadump[iface_key]['ip'].startswith(datadump['masterip']):
632 masterip_used = True
633 break
634 if not masterip_used:
635 addrs_list['lo0'].append((datadump['masterip'] + "/32", 'Master IP Not used in interface'))
636
637 for iface_key in get_interface_keys(datadump):
638 ifacedump = datadump[iface_key]
639 ifname = ifacedump['autogen_ifname']
640
641 # If defined as vlan interface
642 if ifacedump['autogen_vlan']:
643 vlan_list[ifacedump['autogen_ifbase']].append(ifacedump['autogen_vlan'])
644
645 # Flag dhclient is possible
646 if not dhclient_if.has_key(ifname) or dhclient_if[ifname] == False:
647 dhclient_if[ifname] = dhcp_type(ifacedump) == DHCP_CLIENT
648
649 # DHCP interfaces are to be added to bridge0
650 if ifname.replace('_','.') in datadump['autogen_dhcp_interfaces']:
651 ifname_base = 'bridge0'
652 else:
653 ifname_base = ifname
654
655 # Add interface IP to list
656 item = (ifacedump['ip'], ifacedump['comment'])
657 if addrs_list.has_key(ifname_base):
658 addrs_list[ifname_base].append(item)
659 else:
660 addrs_list[ifname_base] = [item]
661
662 # Alias only needs IP assignment for now, this might change if we
663 # are going to use virtual accesspoints
664 if "alias" in iface_key:
665 continue
666
667 # XXX: Might want to deduct type directly from interface name
668 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
669 # Default to station (client) mode
670 ifacedump['autogen_wlanmode'] = "sta"
671 if ifacedump['mode'] in ['master', 'master-wds', 'ap', 'ap-wds']:
672 ifacedump['autogen_wlanmode'] = "ap"
673
674 if not ifacedump.has_key('channel'):
675 if ifacedump['type'] == '11a':
676 ifacedump['channel'] = 36
677 else:
678 ifacedump['channel'] = 1
679
680 # Allow special hacks at the back like wds and stuff
681 if not ifacedump.has_key('extra'):
682 ifacedump['autogen_extra'] = 'regdomain ETSI country NL'
683 else:
684 ifacedump['autogen_extra'] = ifacedump['extra']
685
686 output += "wlans_%(autogen_ifbase)s='%(autogen_ifname)s'\n" % ifacedump
687 output += ("create_args_%(autogen_ifname)s=\"wlanmode %(autogen_wlanmode)s mode " +\
688 "%(type)s ssid \\\"%(ssid)s\\\" %(autogen_extra)s channel %(channel)s\"\n") % ifacedump
689 output += "\n"
690
691 elif ifacedump['type'] in ['ethernet', 'eth']:
692 # No special config needed besides IP
693 if ifacedump['autogen_bridge']:
694 output += "cloned_interfaces='%(autogen_ifname)s'\n" % ifacedump
695 output += "ifconfig_%s='addm %s up'\n" % (ifacedump['autogen_ifname'], ' addm '.join(ifacedump['autogen_bridge_interfaces']))
696 for member in ifacedump['autogen_bridge_interfaces']:
697 output += "ifconfig_%s='up'\n" % member
698 output += "\n"
699 else:
700 assert False, "Unknown type " + ifacedump['type']
701
702 store = (addrs_list, vlan_list, dhclient_if, output)
703 interface_list_cache[datadump['autogen_item']] = store
704 return(store)
705
706
707
708def generate_rc_conf_local(datadump):
709 """ Generate configuration file '/etc/rc.conf.local' """
710 item = datadump['autogen_item']
711 if rc_conf_local_cache.has_key(item):
712 return rc_conf_local_cache[item]
713
714 if not datadump.has_key('ileiden'):
715 datadump['autogen_ileiden_enable'] = False
716 else:
717 datadump['autogen_ileiden_enable'] = datadump['ileiden']
718
719 datadump['autogen_ileiden_enable'] = switchFormat(datadump['autogen_ileiden_enable'])
720
721 if not ileiden_proxies or not normal_proxies:
722 for host in get_hostlist():
723 hostdump = get_yaml(host)
724 if hostdump['status'] == 'up':
725 if hostdump['service_proxy_ileiden']:
726 ileiden_proxies.append(hostdump)
727 if hostdump['service_proxy_normal']:
728 normal_proxies.append(hostdump)
729
730 datadump['autogen_ileiden_proxies'] = ileiden_proxies
731 datadump['autogen_normal_proxies'] = normal_proxies
732 datadump['autogen_ileiden_proxies_ips'] = ','.join([x['masterip'] for x in ileiden_proxies])
733 datadump['autogen_ileiden_proxies_names'] = ','.join([x['autogen_item'] for x in ileiden_proxies])
734 datadump['autogen_normal_proxies_ips'] = ','.join([x['masterip'] for x in normal_proxies])
735 datadump['autogen_normal_proxies_names'] = ','.join([x['autogen_item'] for x in normal_proxies])
736 datadump['autogen_attached_devices'] = [x[2] for x in get_attached_devices(datadump)]
737 datadump['autogen_neighbours'] = [x[1] for x in get_neighbours(datadump)]
738
739 output = generate_header(datadump, "#");
740 output += render_template(datadump, """\
741hostname='{{ autogen_fqdn }}'
742location='{{ location }}'
743nodetype="{{ nodetype }}"
744
745#
746# Configured listings
747#
748captive_portal_whitelist=""
749{% if nodetype == "Proxy" %}
750#
751# Proxy Configuration
752#
753{% if gateway and service_proxy_ileiden -%}
754defaultrouter="{{ gateway }}"
755{% else -%}
756#defaultrouter="NOTSET"
757{% endif -%}
758internalif="{{ internalif }}"
759ileiden_enable="{{ autogen_ileiden_enable }}"
760gateway_enable="{{ autogen_ileiden_enable }}"
761pf_enable="yes"
762pf_rules="/etc/pf.conf"
763{% if autogen_ileiden_enable -%}
764pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={80,443}"
765lvrouted_enable="{{ autogen_ileiden_enable }}"
766lvrouted_flags="-u -s s00p3rs3kr3t -m 28"
767{% else -%}
768pf_flags="-D ext_if={{ externalif }} -D int_if={{ internalif }} -D publicnat={0}"
769{% endif -%}
770{% if internalroute -%}
771static_routes="wleiden"
772route_wleiden="-net 172.16.0.0/12 {{ internalroute }}"
773{% endif -%}
774
775{% elif nodetype == "Hybrid" %}
776 #
777 # Hybrid Configuration
778 #
779 list_ileiden_proxies="
780 {% for item in autogen_ileiden_proxies -%}
781 {{ "%-16s"|format(item.masterip) }} # {{ item.nodename }}
782 {% endfor -%}
783 "
784 list_normal_proxies="
785 {% for item in autogen_normal_proxies -%}
786 {{ "%-16s"|format(item.masterip) }} # {{ item.nodename }}
787 {% endfor -%}
788 "
789
790 captive_portal_interfaces="bridge0"
791 externalif="{{ externalif|default('vr0', true) }}"
792 masterip="{{ masterip }}"
793
794 {% if gateway and service_proxy_ileiden %}
795 defaultrouter="{{ gateway }}"
796 {% else %}
797 #defaultrouter="NOTSET"
798 {% endif %}
799
800 #
801 # Defined services
802 #
803 service_proxy_ileiden="{{ service_proxy_ileiden|yesorno }}"
804 service_proxy_normal="{{ service_proxy_normal|yesorno }}"
805 service_accesspoint="{{ service_accesspoint|yesorno }}"
806 service_incoming_rdr="{{ service_incoming_rdr|yesorno }}"
807 service_concentrator="{{ service_concentrator|yesorno }}"
808
809 {% if service_proxy_ileiden %}
810 pf_rules="/etc/pf.hybrid.conf"
811 {% if service_concentrator %}
812 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D inet_if=tun0 -D inet_ip='(tun0)' -D masterip=$masterip"
813 {% else %}
814 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D inet_if=$externalif -D inet_ip='($externalif:0)' -D masterip=$masterip"
815 {% endif %}
816 pf_flags="$pf_flags -D publicnat=80,443"
817 lvrouted_flags="$lvrouted_flags -g"
818 {% elif service_proxy_normal or service_incoming_rdr %}
819 pf_rules="/etc/pf.hybrid.conf"
820 pf_flags="-D ext_if=$externalif -D ext_if_net=$externalif:network -D masterip=$masterip"
821 pf_flags="$pf_flags -D publicnat=0"
822 lvrouted_flags="$lvrouted_flags -z `make_list "$list_ileiden_proxies" ","`"
823 named_setfib="1"
824 tinyproxy_setfib="1"
825 dnsmasq_setfib="1"
826 sshd_setfib="1"
827 {% else %}
828 named_auto_forward_only="YES"
829 pf_rules="/etc/pf.node.conf"
830 pf_flags=""
831 lvrouted_flags="$lvrouted_flags -z `make_list "$list_ileiden_proxies" ","`"
832 {% endif %}
833 {% if service_concentrator %}
834 # Do mind installing certificates is NOT done automatically for security reasons
835 openvpn_enable="YES"
836 openvpn_configfile="/usr/local/etc/openvpn/client.conf"
837 {% endif %}
838
839 {% if service_proxy_normal %}
840 tinyproxy_enable="yes"
841 {% else %}
842 pen_wrapper_enable="yes"
843 {% endif %}
844
845 {% if service_accesspoint %}
846 pf_flags="$pf_flags -D captive_portal_interfaces=$captive_portal_interfaces"
847 {% endif %}
848
849 {% if board == "ALIX2" %}
850 #
851 # ''Fat'' configuration, board has 256MB RAM
852 #
853 dnsmasq_enable="NO"
854 named_enable="YES"
855 {% if autogen_dhcp_interfaces -%}
856 dhcpd_enable="YES"
857 dhcpd_flags="$dhcpd_flags bridge0"
858 {% endif -%}
859 {% elif board == "apu1d" %}
860 #
861 # ''Fat'' configuration, board has 1024MB RAM
862 #
863 dnsmasq_enable="NO"
864 local_unbound_enable="YES"
865 {% if autogen_dhcp_interfaces -%}
866 dhcpd_enable="YES"
867 dhcpd_flags="$dhcpd_flags bridge0"
868 {% endif -%}
869 {% endif -%}
870{% endif %}
871
872#
873# Script variables
874#
875attached_devices="{{ autogen_attached_devices|join(' ') }}"
876neighbours="{{ autogen_neighbours|join(' ') }}"
877
878
879#
880# Interface definitions
881#\n
882""")
883
884 (addrs_list, vlan_list, dhclient_if, extra_ouput) = make_interface_list(datadump)
885 for iface, vlans in vlan_list.items():
886 output += 'vlans_%s="%s"\n' % (iface, ' '.join(vlans))
887
888 # VLAN Parent interfaces not containing a configuration should be marked active explcitly.
889 for iface in vlan_list.keys():
890 if not iface in addrs_list.keys():
891 output += "ifconfig_%s='up'\n" % iface
892
893 output += "\n"
894
895 # Details like SSID
896 if extra_ouput:
897 output += extra_ouput.strip() + "\n"
898
899 # Print IP address which needs to be assigned over here
900 output += "\n"
901 for iface,addrs in sorted(addrs_list.iteritems()):
902 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
903 output += "# %s || %s || %s\n" % (iface, addr, comment)
904
905 # Write DHCLIENT entry
906 if iface in dhclient_if and dhclient_if[iface]:
907 output += "ifconfig_%s='SYNCDHCP'\n\n" % (iface)
908
909 # Make sure the external address is always first as this is needed in the
910 # firewall setup
911 addrs = sorted(
912 [x for x in addrs if not '0.0.0.0' in x[0]],
913 key=lambda x: x[0].split('.')[0],
914 cmp=lambda x,y: cmp(1 if x == '172' else 0, 1 if y == '172' else 0)
915 )
916
917 if iface == 'bridge0':
918 output += "cloned_interfaces='bridge0'\n"
919 output += "autobridge_interfaces='bridge0'\n"
920 output += "autobridge_bridge0='%s'\n" % ' '.join(datadump['autogen_dhcp_interfaces'])
921 output += "ifconfig_bridge0='%s up'\n" % addrs[0][0]
922 else:
923 output += "ifconfig_%s='inet %s'\n" % (iface, addrs[0][0])
924 for idx, addr in enumerate(addrs[1:]):
925 output += "ifconfig_%s_alias%s='inet %s'\n" % (iface, idx, addr[0])
926 if iface == 'bridge0':
927 for dhcp_iface in datadump['autogen_dhcp_interfaces']:
928 output += "ifconfig_%s='up'\n" % dhcp_iface.replace('.','_')
929 output += "\n"
930
931 rc_conf_local_cache[datadump['autogen_item']] = output
932 return output
933
934
935
936def get_all_configs():
937 """ Get dict with key 'host' with all configs present """
938 configs = dict()
939 for host in get_hostlist():
940 datadump = get_yaml(host)
941 configs[host] = datadump
942 return configs
943
944
945def get_interface_keys(config, extra=False):
946 """ Quick hack to get all interface keys, later stage convert this to a iterator """
947 elems = sorted([elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)])
948 if extra == False:
949 return filter(lambda x: not "extra" in x, elems)
950 else:
951 return elems
952
953
954def get_used_ips(configs):
955 """ Return array of all IPs used in config files"""
956 ip_list = []
957 for config in configs:
958 ip_list.append(config['masterip'])
959 for iface_key in get_interface_keys(config, True):
960 l = config[iface_key]['ip']
961 addr, mask = l.split('/')
962 # Special case do not process
963 if valid_addr(addr):
964 ip_list.append(addr)
965 else:
966 logger.error("## IP '%s' in '%s' not valid" % (addr, config['nodename']))
967 return sorted(ip_list)
968
969
970
971def get_nameservers(max_servers=None):
972 if nameservers_cache:
973 return nameservers_cache[0:max_servers]
974
975 for host in get_hostlist():
976 hostdump = get_yaml(host)
977 if hostdump['status'] == 'up' and (hostdump['service_proxy_ileiden'] or hostdump['service_proxy_normal']):
978 nameservers_cache.append((hostdump['masterip'], hostdump['nodename']))
979
980 return nameservers_cache[0:max_servers]
981
982
983def get_neighbours(datadump):
984 (addrs_list, _, dhclient_if, extra_ouput) = make_interface_list(datadump)
985
986 (poel, errors) = make_relations()
987 table = []
988 for iface,addrs in sorted(addrs_list.iteritems()):
989 if iface in ['lo0']:
990 continue
991
992 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
993 if not addr.startswith('172.'):
994 # Avoid listing internet connections as pool
995 continue
996 for neighbour in poel[network(addr)]:
997 if neighbour[0] != datadump['autogen_item']:
998 table.append((iface, neighbour[1]['ip'].split('/')[0], neighbour[0] + " (" + neighbour[1]['autogen_ifname'] + ")", neighbour[1]['comment']))
999 return table
1000
1001
1002def get_attached_devices(datadump, url=False):
1003 table = []
1004 for iface_key in get_interface_keys(datadump, True):
1005 # Quick to avoid listing ath(4) interface as attached device
1006 if 'ath0' in iface_key:
1007 continue
1008 ifacedump = datadump[iface_key]
1009 if ifacedump.has_key('ns_ip'):
1010 x_ip = ifacedump['ns_ip'].split('/')[0]
1011 else:
1012 x_ip = ifacedump['ip'].split('/')[0]
1013
1014 if 'mode' in ifacedump:
1015 x_mode = ifacedump['mode']
1016 else:
1017 x_mode = 'unknown'
1018
1019 if 'bridge_type' in ifacedump:
1020 device_type = ifacedump['bridge_type']
1021 else:
1022 device_type = 'Unknown'
1023
1024 table.append((ifacedump['autogen_ifname'], x_mode, 'http://%s' % x_ip if url else x_ip, device_type))
1025 return table
1026
1027
1028def generate_resolv_conf(datadump):
1029 """ Generate configuration file '/etc/resolv.conf' """
1030 # XXX: This should properly going to be an datastructure soon
1031 datadump['autogen_header'] = generate_header(datadump, "#")
1032 datadump['autogen_edge_nameservers'] = ''
1033
1034
1035 for masterip,realname in get_nameservers():
1036 datadump['autogen_edge_nameservers'] += "nameserver %-15s # %s\n" % (masterip, realname)
1037
1038 return Template("""\
1039{{ autogen_header }}
1040search wleiden.net
1041
1042# Try local (cache) first
1043nameserver 127.0.0.1
1044
1045{% if service_proxy_normal or service_proxy_ileiden or nodetype == 'Proxy' -%}
1046nameserver 8.8.8.8 # Google Public NameServer
1047nameserver 4.2.2.1 # Level3 Public NameServer
1048{% else -%}
1049# START DYNAMIC LIST - updated by /tools/nameserver-shuffle
1050{{ autogen_edge_nameservers }}
1051{% endif -%}
1052""").render(datadump)
1053
1054
1055
1056def generate_ntp_conf(datadump):
1057 """ Generate configuration file '/etc/ntp.conf' """
1058 # XXX: This should properly going to be an datastructure soon
1059
1060 datadump['autogen_header'] = generate_header(datadump, "#")
1061 datadump['autogen_ntp_servers'] = ''
1062 for host in get_hostlist():
1063 hostdump = get_yaml(host)
1064 if hostdump['service_proxy_ileiden'] or hostdump['service_proxy_normal']:
1065 datadump['autogen_ntp_servers'] += "server %(masterip)-15s iburst maxpoll 9 # %(nodename)s\n" % hostdump
1066
1067 return Template("""\
1068{{ autogen_header }}
1069
1070{% if service_proxy_normal or service_proxy_ileiden or nodetype == 'Proxy' -%}
1071# Machine hooked to internet.
1072server 0.nl.pool.ntp.org iburst maxpoll 9
1073server 1.nl.pool.ntp.org iburst maxpoll 9
1074server 2.nl.pool.ntp.org iburst maxpoll 9
1075server 3.nl.pool.ntp.org iburst maxpoll 9
1076{% else -%}
1077# Local Wireless Leiden NTP Servers.
1078server 0.pool.ntp.wleiden.net iburst maxpoll 9
1079server 1.pool.ntp.wleiden.net iburst maxpoll 9
1080server 2.pool.ntp.wleiden.net iburst maxpoll 9
1081server 3.pool.ntp.wleiden.net iburst maxpoll 9
1082
1083# All the configured NTP servers
1084{{ autogen_ntp_servers }}
1085{% endif %}
1086
1087# If a server loses sync with all upstream servers, NTP clients
1088# no longer follow that server. The local clock can be configured
1089# to provide a time source when this happens, but it should usually
1090# be configured on just one server on a network. For more details see
1091# http://support.ntp.org/bin/view/Support/UndisciplinedLocalClock
1092# The use of Orphan Mode may be preferable.
1093#
1094server 127.127.1.0
1095fudge 127.127.1.0 stratum 10
1096""").render(datadump)
1097
1098
1099def generate_pf_hybrid_conf_local(datadump):
1100 """ Generate configuration file '/etc/pf.hybrid.conf.local' """
1101 datadump['autogen_header'] = generate_header(datadump, "#")
1102 return Template("""\
1103{{ autogen_header }}
1104
1105# Redirect some internal facing services outside (7)
1106# INFO: {{ rdr_rules|count }} rdr_rules (outside to internal redirect rules) defined.
1107{% for protocol, src_port,dest_ip,dest_port in rdr_rules -%}
1108rdr on $ext_if inet proto {{ protocol }} from any to $ext_if port {{ src_port }} tag SRV -> {{ dest_ip }} port {{ dest_port }}
1109{% endfor -%}
1110""").render(datadump)
1111
1112def generate_motd(datadump):
1113 """ Generate configuration file '/etc/motd' """
1114 output = Template("""\
1115FreeBSD run ``service motd onestart'' to make me look normal
1116
1117 WWW: {{ autogen_fqdn }} - http://www.wirelessleiden.nl
1118 Loc: {{ location }}
1119
1120Services:
1121{% if board == "ALIX2" -%}
1122{{" -"}} Core Node ({{ board }})
1123{% else -%}
1124{{" -"}} Hulp Node ({{ board }})
1125{% endif -%}
1126{% if service_proxy_normal -%}
1127{{" -"}} Normal Proxy
1128{% endif -%}
1129{% if service_proxy_ileiden -%}
1130{{" -"}} iLeiden Proxy
1131{% endif -%}
1132{% if service_incoming_rdr -%}
1133{{" -"}} Incoming port redirects
1134{% endif %}
1135Interlinks:\n
1136""").render(datadump)
1137
1138
1139 def make_table(table):
1140 if not table:
1141 return " - none\n"
1142 else:
1143 lines = ""
1144 col_width = [max(len(x) for x in col) for col in zip(*table)]
1145 for row in table:
1146 lines += " - " + " || ".join("{:{}}".format(x, col_width[i]) for i, x in enumerate(row)) + "\n"
1147 return lines
1148
1149 (addrs_list, vlan_list, dhclient_if, extra_ouput) = make_interface_list(datadump)
1150 table = []
1151 for iface,addrs in sorted(addrs_list.iteritems()):
1152 if iface in ['lo0']:
1153 continue
1154 for addr, comment in sorted(addrs,key=lambda x: parseaddr(x[0].split('/')[0])):
1155 table.append((iface, addr, comment))
1156
1157 output += make_table(table)
1158 output += '\n'
1159 output += """\
1160Attached devices:
1161"""
1162 output += make_table(get_attached_devices(datadump, url=True))
1163 output += '\n'
1164 output += """\
1165Available neighbours:
1166"""
1167 output += make_table(get_neighbours(datadump))
1168
1169 return output
1170
1171
1172def format_yaml_value(value):
1173 """ Get yaml value in right syntax for outputting """
1174 if isinstance(value,str):
1175 output = '"%s"' % value
1176 else:
1177 output = value
1178 return output
1179
1180
1181
1182def format_wleiden_yaml(datadump):
1183 """ Special formatting to ensure it is editable"""
1184 output = "# Genesis config yaml style\n"
1185 output += "# vim:ts=2:et:sw=2:ai\n"
1186 output += "#\n"
1187 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
1188 for key in sorted(set(datadump.keys()) - set(iface_keys)):
1189 if key == 'rdr_rules':
1190 output += '%-10s:\n' % 'rdr_rules'
1191 for rdr_rule in datadump[key]:
1192 output += '- %s\n' % rdr_rule
1193 else:
1194 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
1195
1196 output += "\n\n"
1197
1198 # Format (key, required)
1199 key_order = (
1200 ('comment', True),
1201 ('ip', True),
1202 ('desc', True),
1203 ('sdesc', True),
1204 ('mode', True),
1205 ('type', True),
1206 ('extra_type', False),
1207 ('channel', False),
1208 ('ssid', False),
1209 ('wlan_mac', False),
1210 ('dhcp', True),
1211 ('compass', False),
1212 ('distance', False),
1213 ('ns_ip', False),
1214 ('repeater_ip', False),
1215 ('bullet2_ip', False),
1216 ('ns_mac', False),
1217 ('bullet2_mac', False),
1218 ('ns_type', False),
1219 ('bridge_type', False),
1220 ('members', True),
1221 ('status', True),
1222 )
1223
1224 for iface_key in sorted(iface_keys):
1225 try:
1226 remainder = set(datadump[iface_key].keys()) - set([x[0] for x in key_order])
1227 if remainder:
1228 raise KeyError("invalid keys: %s" % remainder)
1229
1230 output += "%s:\n" % iface_key
1231 for key,required in key_order:
1232 if datadump[iface_key].has_key(key):
1233 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
1234 output += "\n\n"
1235 except Exception:
1236 print "# Error while processing interface %s" % iface_key
1237 raise
1238
1239 return output
1240
1241
1242
1243def generate_wleiden_yaml(datadump, header=True):
1244 """ Generate (petty) version of wleiden.yaml"""
1245 output = generate_header(datadump, "#") if header else ''
1246
1247 for key in datadump.keys():
1248 if key.startswith('autogen_'):
1249 del datadump[key]
1250 # Interface autogen cleanups
1251 elif type(datadump[key]) == dict:
1252 for key2 in datadump[key].keys():
1253 if key2.startswith('autogen_'):
1254 del datadump[key][key2]
1255
1256 output += format_wleiden_yaml(datadump)
1257 return output
1258
1259def generate_nanostation_config(datadump, iface, ns_type):
1260 #TODO(rvdz): Make sure the proper nanostation IP and subnet is set
1261 datadump['iface_%s' % iface]['ns_ip'] = datadump['iface_%s' % iface]['ns_ip'].split('/')[0]
1262
1263 datadump.update(datadump['iface_%s' % iface])
1264
1265 return open(os.path.join(os.path.dirname(__file__), 'ns5m.cfg.tmpl'),'r').read() % datadump
1266
1267def generate_yaml(datadump):
1268 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
1269
1270
1271
1272def generate_config(node, config, datadump=None):
1273 """ Print configuration file 'config' of 'node' """
1274 output = ""
1275 try:
1276 # Load config file
1277 if datadump == None:
1278 datadump = get_yaml(node)
1279
1280 if config == 'wleiden.yaml':
1281 output += generate_wleiden_yaml(datadump)
1282 elif config == 'authorized_keys':
1283 f = open(os.path.join(NODE_DIR,"global_keys"), 'r')
1284 output += f.read()
1285 node_keys = os.path.join(NODE_DIR,node,'authorized_keys')
1286 # Fetch local keys if existing
1287 if os.path.exists(node_keys):
1288 output += open(node_keys, 'r').read()
1289 f.close()
1290 elif config == 'dnsmasq.conf':
1291 output += generate_dnsmasq_conf(datadump)
1292 elif config == 'dhcpd.conf':
1293 output += generate_dhcpd_conf(datadump)
1294 elif config == 'rc.conf.local':
1295 output += generate_rc_conf_local(datadump)
1296 elif config == 'resolv.conf':
1297 output += generate_resolv_conf(datadump)
1298 elif config == 'ntp.conf':
1299 output += generate_ntp_conf(datadump)
1300 elif config == 'motd':
1301 output += generate_motd(datadump)
1302 elif config == 'pf.hybrid.conf.local':
1303 output += generate_pf_hybrid_conf_local(datadump)
1304 elif config.startswith('vr'):
1305 interface, ns_type = config.strip('.yaml').split('-')
1306 output += generate_nanostation_config(datadump, interface, ns_type)
1307 else:
1308 assert False, "Config not found!"
1309 except IOError, e:
1310 output += "[ERROR] Config file not found"
1311 return output
1312
1313
1314
1315def process_cgi_request(environ=os.environ):
1316 """ When calling from CGI """
1317 response_headers = []
1318 content_type = 'text/plain'
1319
1320 # Update repository if requested
1321 form = urlparse.parse_qs(environ['QUERY_STRING']) if environ.has_key('QUERY_STRING') else None
1322 if form and form.has_key("action") and "update" in form["action"]:
1323 output = "[INFO] Updating subverion, please wait...\n"
1324 output += subprocess.Popen([SVN, 'cleanup', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1325 output += subprocess.Popen([SVN, 'up', "%s/.." % NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0]
1326 output += "[INFO] All done, redirecting in 5 seconds"
1327 response_headers += [
1328 ('Refresh', '5; url=.'),
1329 ]
1330 reload_cache()
1331 else:
1332 base_uri = environ['PATH_INFO']
1333 uri = base_uri.strip('/').split('/')
1334
1335 output = "Template Holder"
1336 if base_uri.endswith('/create/network.kml'):
1337 content_type='application/vnd.google-earth.kml+xml'
1338 output = make_network_kml.make_graph()
1339 elif base_uri.endswith('/api/get/nodeplanner.json'):
1340 content_type='application/json'
1341 output = make_network_kml.make_nodeplanner_json()
1342 elif not uri[0]:
1343 if is_text_request(environ):
1344 output = '\n'.join(get_hostlist())
1345 else:
1346 content_type = 'text/html'
1347 output = generate_title(get_hostlist())
1348 elif len(uri) == 1:
1349 if is_text_request(environ):
1350 output = generate_node(uri[0])
1351 else:
1352 content_type = 'text/html'
1353 output = generate_node_overview(uri[0])
1354 elif len(uri) == 2:
1355 output = generate_config(uri[0], uri[1])
1356 else:
1357 assert False, "Invalid option"
1358
1359 # Return response
1360 response_headers += [
1361 ('Content-type', content_type),
1362 ('Content-Length', str(len(output))),
1363 ]
1364 return(response_headers, str(output))
1365
1366
1367def make_dns(output_dir = 'dns', external = False):
1368 items = dict()
1369
1370 # hostname is key, IP is value
1371 wleiden_zone = defaultdict(list)
1372 wleiden_cname = dict()
1373
1374 pool = dict()
1375 for node in get_hostlist():
1376 datadump = get_yaml(node)
1377
1378 # Proxy naming convention is special
1379 fqdn = datadump['nodename']
1380 if datadump['nodetype'] in ['Hybrid']:
1381 wleiden_cname[datadump['nodename']] = fqdn
1382
1383 if datadump.has_key('rdr_host'):
1384 remote_target = datadump['rdr_host']
1385 elif datadump.has_key('remote_access') and datadump['remote_access']:
1386 remote_target = datadump['remote_access'].split(':')[0]
1387 else:
1388 remote_target = None
1389
1390 if remote_target:
1391 try:
1392 parseaddr(remote_target)
1393 wleiden_zone[datadump['nodename'] + '.gw'].append((remote_target, False))
1394 except (IndexError, ValueError):
1395 wleiden_cname[datadump['nodename'] + '.gw'] = remote_target + '.'
1396
1397
1398 wleiden_zone[fqdn].append((datadump['masterip'], True))
1399
1400 # Hacking to get proper DHCP IPs and hostnames
1401 for iface_key in get_interface_keys(datadump):
1402 iface_name = iface_key.replace('_','-')
1403 (ip, cidr) = datadump[iface_key]['ip'].split('/')
1404 try:
1405 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
1406 datadump[iface_key]['autogen_netmask'] = cidr2netmask(cidr)
1407 dhcp_part = ".".join(ip.split('.')[0:3])
1408 if ip != datadump['masterip']:
1409 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)].append((ip, False))
1410 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
1411 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)].append(("%s.%s" % (dhcp_part, i), True))
1412 except (AttributeError, ValueError, KeyError):
1413 # First push it into a pool, to indentify the counter-part later on
1414 addr = parseaddr(ip)
1415 cidr = int(cidr)
1416 addr = addr & ~((1 << (32 - cidr)) - 1)
1417 if pool.has_key(addr):
1418 pool[addr] += [(iface_name, fqdn, ip)]
1419 else:
1420 pool[addr] = [(iface_name, fqdn, ip)]
1421 continue
1422
1423
1424
1425 # WL uses an /29 to configure an interface. IP's are ordered like this:
1426 # MasterA (.1) -- DeviceA (.2) <<>> DeviceB (.3) --- SlaveB (.4)
1427
1428 sn = lambda x: re.sub(r'(?i)^cnode','',x)
1429
1430 # Automatic naming convention of interlinks namely 2 + remote.lower()
1431 for (key,value) in pool.iteritems():
1432 # Make sure they are sorted from low-ip to high-ip
1433 value = sorted(value, key=lambda x: parseaddr(x[2]))
1434
1435 if len(value) == 1:
1436 (iface_name, fqdn, ip) = value[0]
1437 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)].append((ip, True))
1438
1439 # Device DNS names
1440 if 'cnode' in fqdn.lower():
1441 wleiden_zone["d-at-%s.%s" % (iface_name, fqdn)].append((showaddr(parseaddr(ip) + 1), False))
1442 wleiden_cname["d-at-%s.%s" % (iface_name,sn(fqdn))] = "d-at-%s.%s" % ((iface_name, fqdn))
1443
1444 elif len(value) == 2:
1445 (a_iface_name, a_fqdn, a_ip) = value[0]
1446 (b_iface_name, b_fqdn, b_ip) = value[1]
1447 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)].append((a_ip, True))
1448 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)].append((b_ip, True))
1449
1450 # Device DNS names
1451 if 'cnode' in a_fqdn.lower() and 'cnode' in b_fqdn.lower():
1452 wleiden_zone["d-at-%s.%s" % (a_iface_name, a_fqdn)].append((showaddr(parseaddr(a_ip) + 1), False))
1453 wleiden_zone["d-at-%s.%s" % (b_iface_name, b_fqdn)].append((showaddr(parseaddr(b_ip) - 1), False))
1454 wleiden_cname["d-at-%s.%s" % (a_iface_name,sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1455 wleiden_cname["d-at-%s.%s" % (b_iface_name,sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1456 wleiden_cname["d2%s.%s" % (sn(b_fqdn),sn(a_fqdn))] = "d-at-%s.%s" % (a_iface_name, a_fqdn)
1457 wleiden_cname["d2%s.%s" % (sn(a_fqdn),sn(b_fqdn))] = "d-at-%s.%s" % (b_iface_name, b_fqdn)
1458
1459 else:
1460 pool_members = [k[1] for k in value]
1461 for item in value:
1462 (iface_name, fqdn, ip) = item
1463 wleiden_zone["2ring.%s" % (fqdn)].append((ip, True))
1464
1465 # Include static DNS entries
1466 # XXX: Should they override the autogenerated results?
1467 # XXX: Convert input to yaml more useable.
1468 # Format:
1469 ##; this is a comment
1470 ## roomburgh=Roomburgh1
1471 ## apkerk1.Vosko=172.17.176.8 ;this as well
1472 dns_list = yaml.load(open(os.path.join(NODE_DIR,'../dns/staticDNS.yaml'),'r'))
1473
1474 # Hack to allow special entries, for development
1475 wleiden_raw = {}
1476
1477 for line in dns_list:
1478 reverse = False
1479 k, items = line.items()[0]
1480 if type(items) == dict:
1481 if items.has_key('reverse'):
1482 reverse = items['reverse']
1483 items = items['a']
1484 else:
1485 items = items['cname']
1486 items = [items] if type(items) != list else items
1487 for item in items:
1488 if item.startswith('IN '):
1489 wleiden_raw[k] = item
1490 elif valid_addr(item):
1491 wleiden_zone[k].append((item, reverse))
1492 else:
1493 wleiden_cname[k] = item
1494
1495 # Hack to get dynamic pool listing
1496 def chunks(l, n):
1497 return [l[i:i+n] for i in range(0, len(l), n)]
1498
1499 ntp_servers = [x[0] for x in get_nameservers()]
1500 for id, chunk in enumerate(chunks(ntp_servers,(len(ntp_servers)/4))):
1501 for ntp_server in chunk:
1502 wleiden_zone['%i.pool.ntp' % id].append((ntp_server, False))
1503
1504 details = dict()
1505 # 24 updates a day allowed
1506 details['serial'] = time.strftime('%Y%m%d%H')
1507
1508 if external:
1509 dns_masters = ['siteview.wirelessleiden.nl', 'ns1.vanderzwet.net']
1510 else:
1511 dns_masters = ['sunny.wleiden.net'] + ["%s.wleiden.net" % x[1] for x in get_nameservers(max_servers=3)]
1512
1513 details['master'] = dns_masters[0]
1514 details['ns_servers'] = '\n'.join(['\tNS\t%s.' % x for x in dns_masters])
1515
1516 dns_header = '''
1517$TTL 3h
1518%(zone)s. SOA %(master)s. beheer.lijst.wirelessleiden.nl. ( %(serial)s 15m 15m 1w 60s )
1519 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
1520
1521%(ns_servers)s
1522 \n'''
1523
1524
1525 if not os.path.isdir(output_dir):
1526 os.makedirs(output_dir)
1527 details['zone'] = 'wleiden.net'
1528 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1529 f.write(dns_header % details)
1530
1531 for host,items in wleiden_zone.iteritems():
1532 for ip,reverse in items:
1533 if ip not in ['0.0.0.0']:
1534 f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
1535 for source,dest in wleiden_cname.iteritems():
1536 dest = dest if dest.endswith('.') else dest + ".wleiden.net."
1537 f.write("%s.wleiden.net. IN CNAME %s\n" % (source.lower(), dest.lower()))
1538 for source, dest in wleiden_raw.iteritems():
1539 f.write("%s.wleiden.net. %s\n" % (source, dest))
1540 f.close()
1541
1542 # Create whole bunch of specific sub arpa zones. To keep it compliant
1543 for s in range(16,32):
1544 details['zone'] = '%i.172.in-addr.arpa' % s
1545 f = open(os.path.join(output_dir,"db." + details['zone']), "w")
1546 f.write(dns_header % details)
1547
1548 #XXX: Not effient, fix to proper data structure and do checks at other
1549 # stages
1550 for host,items in wleiden_zone.iteritems():
1551 for ip,reverse in items:
1552 if not reverse:
1553 continue
1554 if valid_addr(ip):
1555 if valid_addr(ip):
1556 if int(ip.split('.')[1]) == s:
1557 rev_ip = '.'.join(reversed(ip.split('.')))
1558 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
1559 f.close()
1560
1561
1562def usage():
1563 print """Usage: %(prog)s <argument>
1564Argument:
1565\tcleanup = Cleanup all YAML files to specified format
1566\tstandalone [port] = Run configurator webserver [8000]
1567\tdns [outputdir] = Generate BIND compliant zone files in dns [./dns]
1568\tnagios-export [--heavy-load] = Generate basic nagios configuration file.
1569\tfull-export = Generate yaml export script for heatmap.
1570\tstatic [outputdir] = Generate all config files and store on disk
1571\t with format ./<outputdir>/%%NODE%%/%%FILE%% [./static]
1572\ttest <node> [<file>] = Receive output for certain node [all files].
1573\ttest-cgi <node> <file> = Receive output of CGI script [all files].
1574\tlist <status> <items> = List systems which have certain status
1575
1576Arguments:
1577\t<node> = NodeName (example: HybridRick)
1578\t<file> = %(files)s
1579\t<status> = all|up|down|planned
1580\t<items> = systems|nodes|proxies
1581
1582NOTE FOR DEVELOPERS; you can test your changes like this:
1583 BEFORE any changes in this code:
1584 $ ./gformat.py static /tmp/pre
1585 AFTER the changes:
1586 $ ./gformat.py static /tmp/post
1587 VIEW differences and VERIFY all are OK:
1588 $ diff -urI 'Generated' -r /tmp/pre /tmp/post
1589""" % { 'prog' : sys.argv[0], 'files' : '|'.join(files) }
1590 exit(0)
1591
1592
1593def is_text_request(environ=os.environ):
1594 """ Find out whether we are calling from the CLI or any text based CLI utility """
1595 try:
1596 return environ['HTTP_USER_AGENT'].split()[0] in ['curl', 'fetch', 'wget']
1597 except KeyError:
1598 return True
1599
1600def switchFormat(setting):
1601 if setting:
1602 return "YES"
1603 else:
1604 return "NO"
1605
1606def rlinput(prompt, prefill=''):
1607 import readline
1608 readline.set_startup_hook(lambda: readline.insert_text(prefill))
1609 try:
1610 return raw_input(prompt)
1611 finally:
1612 readline.set_startup_hook()
1613
1614def fix_conflict(left, right, default='i'):
1615 while True:
1616 print "## %-30s | %-30s" % (left, right)
1617 c = raw_input("## Solve Conflict (h for help) <l|r|e|i|> [%s]: " % default)
1618 if not c:
1619 c = default
1620
1621 if c in ['l','1']:
1622 return left
1623 elif c in ['r','2']:
1624 return right
1625 elif c in ['e', '3']:
1626 return rlinput("Edit: ", "%30s | %30s" % (left, right))
1627 elif c in ['i', '4']:
1628 return None
1629 else:
1630 print "#ERROR: '%s' is invalid input (left, right, edit or ignore)!" % c
1631
1632
1633
1634def print_cgi_response(response_headers, output):
1635 """Could we not use some kind of wsgi wrapper to make this output?"""
1636 for header in response_headers:
1637 print "%s: %s" % header
1638 print
1639 print output
1640
1641
1642def fill_cache():
1643 ''' Poor man re-loading of few cache items (the slow ones) '''
1644 for host in get_hostlist():
1645 get_yaml(host)
1646
1647
1648def reload_cache():
1649 clear_cache()
1650 fill_cache()
1651
1652
1653def main():
1654 """Hard working sub"""
1655 # Allow easy hacking using the CLI
1656 if not os.environ.has_key('PATH_INFO'):
1657 if len(sys.argv) < 2:
1658 usage()
1659
1660 if sys.argv[1] == "standalone":
1661 import SocketServer
1662 import CGIHTTPServer
1663 # Hop to the right working directory.
1664 os.chdir(os.path.dirname(__file__))
1665 try:
1666 PORT = int(sys.argv[2])
1667 except (IndexError,ValueError):
1668 PORT = 8000
1669
1670 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
1671 """ Serve this CGI from the root of the webserver """
1672 def is_cgi(self):
1673 if "favicon" in self.path:
1674 return False
1675
1676 self.cgi_info = (os.path.basename(__file__), self.path)
1677 self.path = ''
1678 return True
1679 handler = MyCGIHTTPRequestHandler
1680 SocketServer.TCPServer.allow_reuse_address = True
1681 httpd = SocketServer.TCPServer(("", PORT), handler)
1682 httpd.server_name = 'localhost'
1683 httpd.server_port = PORT
1684
1685 logger.info("serving at port %s", PORT)
1686 try:
1687 httpd.serve_forever()
1688 except KeyboardInterrupt:
1689 httpd.shutdown()
1690 logger.info("All done goodbye")
1691 elif sys.argv[1] == "test":
1692 # Basic argument validation
1693 try:
1694 node = sys.argv[2]
1695 except IndexError:
1696 print "Invalid argument"
1697 exit(1)
1698 except IOError as e:
1699 print e
1700 exit(1)
1701
1702 datadump = get_yaml(node)
1703
1704
1705 # Get files to generate
1706 gen_files = sys.argv[3:] if len(sys.argv) > 3 else files
1707
1708 # Actual config generation
1709 for config in gen_files:
1710 logger.info("## Generating %s %s", node, config)
1711 print generate_config(node, config, datadump)
1712 elif sys.argv[1] == "test-cgi":
1713 os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
1714 os.environ['SCRIPT_NAME'] = __file__
1715 response_headers, output = process_cgi_request()
1716 print_cgi_response(response_headers, output)
1717 elif sys.argv[1] == "static":
1718 items = dict()
1719 items['output_dir'] = sys.argv[2] if len(sys.argv) > 2 else "./static"
1720 for node in get_hostlist():
1721 items['node'] = node
1722 items['wdir'] = "%(output_dir)s/%(node)s" % items
1723 if not os.path.isdir(items['wdir']):
1724 os.makedirs(items['wdir'])
1725 datadump = get_yaml(node)
1726 for config in files:
1727 items['config'] = config
1728 logger.info("## Generating %(node)s %(config)s" % items)
1729 f = open("%(wdir)s/%(config)s" % items, "w")
1730 f.write(generate_config(node, config, datadump))
1731 f.close()
1732 elif sys.argv[1] == "wind-export":
1733 items = dict()
1734 for node in get_hostlist():
1735 datadump = get_yaml(node)
1736 sql = """INSERT IGNORE INTO nodes (name, name_ns, longitude, latitude)
1737 VALUES ('%(nodename)s', '%(nodename)s', %(latitude)s, %(longitude)s);""" % datadump;
1738 sql = """INSERT IGNORE INTO users_nodes (user_id, node_id, owner)
1739 VALUES (
1740 (SELECT id FROM users WHERE username = 'rvdzwet'),
1741 (SELECT id FROM nodes WHERE name = '%(nodename)s'),
1742 'Y');""" % datadump
1743 #for config in files:
1744 # items['config'] = config
1745 # print "## Generating %(node)s %(config)s" % items
1746 # f = open("%(wdir)s/%(config)s" % items, "w")
1747 # f.write(generate_config(node, config, datadump))
1748 # f.close()
1749 for node in get_hostlist():
1750 datadump = get_yaml(node)
1751 for iface_key in sorted([elem for elem in datadump.keys() if elem.startswith('iface_')]):
1752 ifacedump = datadump[iface_key]
1753 if ifacedump.has_key('mode') and ifacedump['mode'] == 'ap-wds':
1754 ifacedump['nodename'] = datadump['nodename']
1755 if not ifacedump.has_key('channel') or not ifacedump['channel']:
1756 ifacedump['channel'] = 0
1757 sql = """INSERT INTO links (node_id, type, ssid, protocol, channel, status)
1758 VALUES ((SELECT id FROM nodes WHERE name = '%(nodename)s'), 'ap',
1759 '%(ssid)s', 'IEEE 802.11b', %(channel)s, 'active');""" % ifacedump
1760 elif sys.argv[1] == "nagios-export":
1761 try:
1762 heavy_load = (sys.argv[2] == "--heavy-load")
1763 except IndexError:
1764 heavy_load = False
1765
1766 hostgroup_details = {
1767 'wleiden' : 'Stichting Wireless Leiden - FreeBSD Nodes',
1768 'wzoeterwoude' : 'Stichting Wireless Leiden - Afdeling Zoeterwoude - Free-WiFi Project',
1769 'walphen' : 'Stichting Wireless Alphen',
1770 'westeinder' : 'Westeinder Plassen',
1771 }
1772
1773 # Convert IP to Host
1774 ip2host = {'root' : 'root'}
1775 for host in get_hostlist():
1776 datadump = get_yaml(host)
1777 ip2host[datadump['masterip']] = datadump['autogen_fqdn']
1778 for iface in get_interface_keys(datadump):
1779 ip2host[datadump[iface]['autogen_gateway']] = datadump['autogen_fqdn']
1780
1781 # Find dependency tree based on output of lvrouted.mytree of nearest node
1782 parents = defaultdict(list)
1783 stack = ['root']
1784 prev_depth = 0
1785 for line in open('lvrouted.mytree').readlines():
1786 depth = line.count('\t')
1787 ip = line.strip().split()[0]
1788
1789 if prev_depth < depth:
1790 try:
1791 parents[ip2host[ip]].append(ip2host[stack[-1]])
1792 except KeyError as e:
1793 print >> stderr, "# Unable to find %s in configuration files" % e.args[0]
1794 stack.append(ip)
1795 elif prev_depth > depth:
1796 stack = stack[:(depth - prev_depth)]
1797 elif prev_depth == depth:
1798 try:
1799 parents[ip2host[ip]].append(ip2host[stack[-1]])
1800 except KeyError as e:
1801 print >> stderr, "# Unable to find %s in configuration files" % e.args[0]
1802
1803
1804 prev_depth = depth
1805 # Observe that some nodes has themself as parent or multiple parents
1806 # for now take only the first parent, other behaviour is yet to be explained
1807
1808
1809
1810 params = {
1811 'check_interval' : 5 if heavy_load else 120,
1812 'retry_interval' : 1 if heavy_load else 10,
1813 'max_check_attempts' : 10 if heavy_load else 6,
1814 'notification_interval': 120 if heavy_load else 240,
1815 }
1816
1817 print '''\
1818define host {
1819 name wleiden-node ; Default Node Template
1820 use generic-host ; Use the standard template as initial starting point
1821 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1822 check_interval %(check_interval)s ; Actively check the host every 5 minutes
1823 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
1824 notification_interval %(notification_interval)s
1825 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
1826 check_command check-host-alive ; Default command to check FreeBSD hosts
1827 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
1828}
1829
1830define service {
1831 name wleiden-service ; Default Service Template
1832 use generic-service ; Use the standard template as initial starting point
1833 check_period 24x7 ; By default, FreeBSD hosts are checked round the clock
1834 check_interval %(check_interval)s ; Actively check the host every 5 minutes
1835 retry_interval %(retry_interval)s ; Schedule host check retries at 1 minute intervals
1836 notification_interval %(notification_interval)s
1837 max_check_attempts %(max_check_attempts)s ; Check each FreeBSD host 10 times (max)
1838 register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
1839}
1840
1841# Please make sure to install:
1842# make -C /usr/ports/net-mgmt/nagios-check_netsnmp install clean
1843#
1844# Recompile net-mgmt/nagios-plugins to support check_snmp
1845# make -C /usr/ports/net-mgmt/nagios-plugins
1846#
1847# Install net/bind-tools to allow v2/check_dns_wl to work:
1848# pkg install bind-tools
1849#
1850define command{
1851 command_name check_snmp_disk
1852 command_line $USER1$/check_snmp_disk -H $HOSTADDRESS$ -C public
1853}
1854
1855define command{
1856 command_name check_netsnmp_load
1857 command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ -C public -w 80 -c 90
1858}
1859
1860define command{
1861 command_name check_netsnmp_proc
1862 command_line $USER1$/check_snmp_proc -H $HOSTADDRESS$ -C public
1863}
1864
1865define command{
1866 command_name check_by_ssh
1867 command_line $USER1$/check_by_ssh -H $HOSTADDRESS$ -p $ARG1$ -C "$ARG2$ $ARG3$ $ARG4$ $ARG5$ $ARG6$"
1868}
1869
1870define command{
1871 command_name check_dns_wl
1872 command_line $USER1$/v2/check_dns_wl $HOSTADDRESS$ $ARG1$
1873}
1874
1875define command{
1876 command_name check_snmp_uptime
1877 command_line $USER1$/check_snmp -H $HOSTADDRESS$ -C public -o .1.3.6.1.2.1.1.3.0
1878}
1879
1880
1881# TDB: dhcp leases
1882# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 exec
1883
1884# TDB: internet status
1885# /usr/local/libexec/nagios/check_netsnmp -H 192.168.178.47 --oid 1 file
1886
1887# TDB: Advanced local passive checks
1888# /usr/local/libexec/nagios/check_by_ssh
1889''' % params
1890
1891 print '''\
1892# Service Group, not displayed by default
1893define hostgroup {
1894 hostgroup_name srv_hybrid
1895 alias All Hybrid Nodes
1896 register 0
1897}
1898
1899define service {
1900 use wleiden-service
1901 hostgroup_name srv_hybrid
1902 service_description SSH
1903 check_command check_ssh
1904}
1905
1906define service {
1907 use wleiden-service,service-pnp
1908 hostgroup_name srv_hybrid
1909 service_description HTTP
1910 check_command check_http
1911}
1912
1913define service {
1914 use wleiden-service
1915 hostgroup_name srv_hybrid
1916 service_description DNS
1917 check_command check_dns_wl!"www.wirelessleiden.nl"
1918}
1919'''
1920
1921 if heavy_load:
1922 print '''\
1923define service {
1924 use wleiden-service
1925 hostgroup_name srv_hybrid
1926 service_description UPTIME
1927 check_command check_snmp_uptime
1928}
1929
1930#define service {
1931# use wleiden-service
1932# hostgroup_name srv_hybrid
1933# service_description NTP
1934# check_command check_ntp_peer
1935#}
1936
1937define service {
1938 use wleiden-service
1939 hostgroup_name srv_hybrid
1940 service_description LOAD
1941 check_command check_netsnmp_load
1942}
1943
1944define service {
1945 use wleiden-service
1946 hostgroup_name srv_hybrid
1947 service_description PROC
1948 check_command check_netsnmp_proc
1949}
1950
1951define service {
1952 use wleiden-service
1953 hostgroup_name srv_hybrid
1954 service_description DISK
1955 check_command check_snmp_disk
1956}
1957'''
1958 for node in get_hostlist():
1959 datadump = get_yaml(node)
1960 if not datadump['status'] == 'up':
1961 continue
1962 if not hostgroup_details.has_key(datadump['monitoring_group']):
1963 hostgroup_details[datadump['monitoring_group']] = datadump['monitoring_group']
1964 print '''\
1965define host {
1966 use wleiden-node,host-pnp
1967 contact_groups admins
1968 host_name %(autogen_fqdn)s
1969 address %(masterip)s
1970 hostgroups srv_hybrid,%(monitoring_group)s\
1971''' % datadump
1972 if (len(parents[datadump['autogen_fqdn']]) > 0) and parents[datadump['autogen_fqdn']][0] != 'root':
1973 print '''\
1974 parents %(parents)s\
1975''' % { 'parents' : parents[datadump['autogen_fqdn']][0] }
1976 print '''\
1977}
1978'''
1979
1980
1981 for name,alias in hostgroup_details.iteritems():
1982 print '''\
1983define hostgroup {
1984 hostgroup_name %s
1985 alias %s
1986} ''' % (name, alias)
1987
1988
1989 elif sys.argv[1] == "full-export":
1990 hosts = {}
1991 for node in get_hostlist():
1992 datadump = get_yaml(node)
1993 hosts[datadump['nodename']] = datadump
1994 print yaml.dump(hosts)
1995
1996 elif sys.argv[1] == "dns":
1997 make_dns(sys.argv[2] if len(sys.argv) > 2 else 'dns', 'external' in sys.argv)
1998 elif sys.argv[1] == "cleanup":
1999 # First generate all datadumps
2000 datadumps = dict()
2001 ssid_to_node = dict()
2002 for host in get_hostlist():
2003 logger.info("# Processing: %s", host)
2004 # Set some boring default values
2005 datadump = { 'board' : 'UNKNOWN' }
2006 datadump.update(get_yaml(host))
2007 datadumps[datadump['nodename']] = datadump
2008
2009 (poel, errors) = make_relations()
2010 print "\n".join(["# WARNING: %s" % x for x in errors])
2011
2012 for host,datadump in datadumps.iteritems():
2013 try:
2014 # Convert all yes and no to boolean values
2015 def fix_boolean(dump):
2016 for key in dump.keys():
2017 if type(dump[key]) == dict:
2018 dump[key] = fix_boolean(dump[key])
2019 elif str(dump[key]).lower() in ["yes", "true"]:
2020 dump[key] = True
2021 elif str(dump[key]).lower() in ["no", "false"]:
2022 # Compass richting no (Noord Oost) is valid input
2023 if key != "compass": dump[key] = False
2024 return dump
2025 datadump = fix_boolean(datadump)
2026
2027 if 'rdnap_x' in datadump and 'rdnap_y' in datadump:
2028 datadump['latitude'], datadump['longitude'] = map(lambda x: "%.5f" % x, rd2etrs(datadump['rdnap_x'], datadump['rdnap_y']))
2029 elif 'latitude' in datadump and 'longitude' in datadump:
2030 datadump['rdnap_x'], datadump['rdnap_y'] = etrs2rd(datadump['latitude'], datadump['longitude'])
2031
2032 if datadump['nodename'].startswith('Proxy'):
2033 datadump['nodename'] = datadump['nodename'].lower()
2034
2035 for iface_key in get_interface_keys(datadump):
2036 try:
2037 # All our normal wireless cards are normal APs now
2038 if datadump[iface_key]['type'] in ['11a', '11b', '11g', 'wireless']:
2039 datadump[iface_key]['mode'] = 'ap'
2040 # Wireless Leiden SSID have an consistent lowercase/uppercase
2041 if datadump[iface_key].has_key('ssid'):
2042 ssid = datadump[iface_key]['ssid']
2043 prefix = 'ap-WirelessLeiden-'
2044 if ssid.lower().startswith(prefix.lower()):
2045 datadump[iface_key]['ssid'] = prefix + ssid[len(prefix)].upper() + ssid[len(prefix) + 1:]
2046 if datadump[iface_key].has_key('ns_ip') and not datadump[iface_key].has_key('mode'):
2047 datadump[iface_key]['mode'] = 'autogen-FIXME'
2048 if not datadump[iface_key].has_key('comment'):
2049 datadump[iface_key]['comment'] = 'autogen-FIXME'
2050
2051 if datadump[iface_key].has_key('ns_mac'):
2052 datadump[iface_key]['ns_mac'] = datadump[iface_key]['ns_mac'].lower()
2053
2054 if datadump[iface_key]['comment'].startswith('autogen-') and datadump[iface_key].has_key('comment'):
2055 datadump[iface_key] = datadump[iface_key]['desc']
2056
2057 # We are not using 802.11b anymore. OFDM is preferred over DSSS
2058 # due to better collision avoidance.
2059 if datadump[iface_key]['type'] == '11b':
2060 datadump[iface_key]['type'] = '11g'
2061
2062 # Setting 802.11g channels to de-facto standards, to avoid
2063 # un-detected sharing with other overlapping channels
2064 #
2065 # Technically we could also use channel 13 in NL, but this is not
2066 # recommended as foreign devices might not be able to select this
2067 # channel. Secondly using 1,5,9,13 instead is going to clash with
2068 # the de-facto usage of 1,6,11.
2069 #
2070 # See: https://en.wikipedia.org/wiki/List_of_WLAN_channels
2071 channels_at_2400Mhz = (1,6,11)
2072 if datadump[iface_key]['type'] == '11g' and datadump[iface_key].has_key('channel'):
2073 datadump[iface_key]['channel'] = int(datadump[iface_key]['channel'])
2074 if datadump[iface_key]['channel'] not in channels_at_2400Mhz:
2075 datadump[iface_key]['channel'] = random.choice(channels_at_2400Mhz)
2076
2077 # Mandatory interface keys
2078 if not datadump[iface_key].has_key('status'):
2079 datadump[iface_key]['status'] = 'planned'
2080
2081 x = datadump[iface_key]['comment']
2082 datadump[iface_key]['comment'] = x[0].upper() + x[1:]
2083
2084 # Fixing bridge_type if none is found
2085 if datadump[iface_key].get('extra_type', '') == 'eth2wifibridge':
2086 if not 'bridge_type' in datadump[iface_key]:
2087 datadump[iface_key]['bridge_type'] = 'NanoStation M5'
2088
2089 # Making sure description works
2090 if datadump[iface_key].has_key('desc'):
2091 if datadump[iface_key]['comment'].lower() == datadump[iface_key]['desc'].lower():
2092 del datadump[iface_key]['desc']
2093 else:
2094 print "# ERROR: At %s - %s" % (datadump['nodename'], iface_key)
2095 response = fix_conflict(datadump[iface_key]['comment'], datadump[iface_key]['desc'])
2096 if response:
2097 datadump[iface_key]['comment'] = response
2098 del datadump[iface_key]['desc']
2099
2100 # Check DHCP configuration
2101 dhcp_type(datadump[iface_key])
2102
2103 # Set the compass value based on the angle between the poels
2104 if datadump[iface_key].has_key('ns_ip'):
2105 my_pool = poel[network(datadump[iface_key]['ip'])]
2106 remote_hosts = list(set([x[0] for x in my_pool]) - set([host]))
2107 if remote_hosts:
2108 compass_target = remote_hosts[0]
2109 datadump[iface_key]['compass'] = cd_between_hosts(host, compass_target, datadumps)
2110
2111 # Monitoring Group default
2112 if not 'monitoring_group' in datadump:
2113 datadump['monitoring_group'] = 'wleiden'
2114
2115 except Exception:
2116 print "# Error while processing interface %s" % iface_key
2117 raise
2118 store_yaml(datadump)
2119 except Exception:
2120 print "# Error while processing %s" % host
2121 raise
2122 elif sys.argv[1] == "list":
2123 use_fqdn = False
2124 if len(sys.argv) < 4:
2125 usage()
2126 if not sys.argv[2] in ["up", "down", "planned", "all"]:
2127 usage()
2128 if not sys.argv[3] in ["nodes","proxies","systems"]:
2129 usage()
2130
2131 if len(sys.argv) > 4:
2132 if sys.argv[4] == "fqdn":
2133 use_fqdn = True
2134 else:
2135 usage()
2136
2137 for system in get_hostlist():
2138 datadump = get_yaml(system)
2139 if sys.argv[3] == 'proxies' and not datadump['service_proxy_ileiden']:
2140 continue
2141
2142 output = datadump['autogen_fqdn'] if use_fqdn else system
2143 if sys.argv[2] == "all":
2144 print output
2145 elif datadump['status'] == sys.argv[2]:
2146 print output
2147 elif sys.argv[1] == "create":
2148 if sys.argv[2] == "network.kml":
2149 print make_network_kml.make_graph()
2150 elif sys.argv[2] == "host-ips.txt":
2151 for system in get_hostlist():
2152 datadump = get_yaml(system)
2153 ips = [datadump['masterip']]
2154 for ifkey in get_interface_keys(datadump):
2155 ips.append(datadump[ifkey]['ip'].split('/')[0])
2156 print system, ' '.join(ips)
2157 elif sys.argv[2] == "host-pos.txt":
2158 for system in get_hostlist():
2159 datadump = get_yaml(system)
2160 print system, datadump['rdnap_x'], datadump['rdnap_y']
2161 elif sys.argv[2] == 'ssh_config':
2162 print '''
2163Host *.wleiden.net
2164 User root
2165
2166Host 172.16.*.*
2167 User root
2168'''
2169 for system in get_hostlist():
2170 datadump = get_yaml(system)
2171 print '''\
2172Host %s
2173 User root
2174
2175Host %s
2176 User root
2177
2178Host %s
2179 User root
2180
2181Host %s
2182 User root
2183''' % (system, system.lower(), datadump['nodename'], datadump['nodename'].lower())
2184 else:
2185 usage()
2186 else:
2187 usage()
2188 else:
2189 # Do not enable debugging for config requests as it highly clutters the output
2190 if not is_text_request():
2191 cgitb.enable()
2192 response_headers, output = process_cgi_request()
2193 print_cgi_response(response_headers, output)
2194
2195def application(environ, start_response):
2196 status = '200 OK'
2197 response_headers, output = process_cgi_request(environ)
2198 start_response(status, response_headers)
2199
2200 # Debugging only
2201 # output = 'wsgi.multithread = %s' % repr(environ['wsgi.multithread'])
2202 # soutput += '\nwsgi.multiprocess = %s' % repr(environ['wsgi.multiprocess'])
2203 return [output]
2204
2205if __name__ == "__main__":
2206 main()
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