source: genesis/tools/gformat.py@ 8735

Last change on this file since 8735 was 8636, checked in by richardvm, 14 years ago

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[8242]1#!/usr/bin/env python
2#
3# vim:ts=2:et:sw=2:ai
4# Wireless Leiden configuration generator, based on yaml files'
5# Rick van der Zwet <info@rickvanderzwet.nl>
[8622]6
7# Hack to make the script directory is also threated as a module search path.
8import sys
9import os
10sys.path.append(os.path.dirname(__file__))
11
[8242]12import cgi
[8267]13import cgitb
14import copy
[8242]15import glob
16import socket
17import string
18import subprocess
19import time
[8622]20import rdnap
[8584]21from pprint import pprint
[8575]22try:
23 import yaml
24except ImportError, e:
25 print e
26 print "[ERROR] Please install the python-yaml or devel/py-yaml package"
27 exit(1)
[8588]28
29try:
30 from yaml import CLoader as Loader
31 from yaml import CDumper as Dumper
32except ImportError:
33 from yaml import Loader, Dumper
34
[8575]35
[8242]36
[8622]37NODE_DIR = os.getcwd()
[8242]38__version__ = '$Id: gformat.py 8636 2010-11-02 19:51:07Z richardvm $'
39
[8267]40
[8242]41files = [
42 'authorized_keys',
43 'dnsmasq.conf',
44 'rc.conf.local',
45 'resolv.conf',
46 'wleiden.yaml'
47 ]
48
[8319]49# Global variables uses
[8323]50OK = 10
51DOWN = 20
52UNKNOWN = 90
[8257]53
54
[8267]55def get_proxylist():
56 """Get all available proxies proxyX sorting based on X number"""
57 os.chdir(NODE_DIR)
58 proxylist = sorted(glob.glob("proxy*"),
59 key=lambda name: int(''.join([c for c in name if c in string.digits])),
60 cmp=lambda x,y: x - y)
61 return proxylist
62
63
64
[8321]65def valid_addr(addr):
66 """ Show which address is valid in which are not """
67 return str(addr).startswith('172.')
68
69
[8267]70def get_nodelist():
71 """ Get all available nodes - sorted """
72 os.chdir(NODE_DIR)
73 nodelist = sorted(glob.glob("CNode*"))
74 return nodelist
75
[8296]76def get_hostlist():
77 """ Combined hosts and proxy list"""
78 return get_nodelist() + get_proxylist()
[8267]79
[8588]80def angle_between_points(lat1,lat2,long1,long2):
81 """
82 Return Angle in radians between two GPS coordinates
83 See: http://stackoverflow.com/questions/3809179/angle-between-2-gps-coordinates
84 """
85 dy = lat2 - lat1
86 dx = math.cos(math.pi/180*lat1)*(long2 - long1)
87 angle = math.atan2(dy,dx)
88 return angle
[8267]89
[8588]90def angle_to_cd(angle):
91 """ Return Dutch Cardinal Direction estimation in 'one digit' of radian angle """
92
93 # For easy conversion get positive degree
94 degrees = math.degrees(angle)
95 if degrees < 0:
96 360 - abs(degrees)
97
98 # Numbers can be confusing calculate from the 4 main directions
99 p = 22.5
100 if degrees < p:
101 return "n"
102 elif degrees < (90 - p):
103 return "no"
104 elif degrees < (90 + p):
105 return "o"
106 elif degrees < (180 - p):
107 return "zo"
108 elif degrees < (180 + p):
109 return "z"
110 elif degrees < (270 - p):
111 return "zw"
112 elif degrees < (270 + p):
113 return "w"
114 elif degrees < (360 - p):
115 return "nw"
116 else:
117 return "n"
118
119
[8267]120def generate_title(nodelist):
[8257]121 """ Main overview page """
[8259]122 items = {'root' : "." }
[8267]123 output = """
[8257]124<html>
125 <head>
126 <title>Wireless leiden Configurator - GFormat</title>
127 <style type="text/css">
128 th {background-color: #999999}
129 tr:nth-child(odd) {background-color: #cccccc}
130 tr:nth-child(even) {background-color: #ffffff}
131 th, td {padding: 0.1em 1em}
132 </style>
133 </head>
134 <body>
135 <center>
[8259]136 <form type="GET" action="%(root)s">
[8257]137 <input type="hidden" name="action" value="update">
138 <input type="submit" value="Update Configuration Database (SVN)">
139 </form>
140 <table>
141 <caption><h3>Wireless Leiden Configurator</h3></caption>
142 """ % items
[8242]143
[8296]144 for node in nodelist:
[8257]145 items['node'] = node
[8267]146 output += '<tr><td><a href="%(root)s/%(node)s">%(node)s</a></td>' % items
[8257]147 for config in files:
148 items['config'] = config
[8267]149 output += '<td><a href="%(root)s/%(node)s/%(config)s">%(config)s</a></td>' % items
150 output += "</tr>"
151 output += """
[8257]152 </table>
153 <hr />
154 <em>%s</em>
155 </center>
156 </body>
157</html>
158 """ % __version__
[8242]159
[8267]160 return output
[8257]161
162
[8267]163
164def generate_node(node):
[8257]165 """ Print overview of all files available for node """
[8267]166 return "\n".join(files)
[8242]167
[8257]168
169
[8242]170def generate_header(ctag="#"):
171 return """\
172%(ctag)s
173%(ctag)s DO NOT EDIT - Automatically generated by 'gformat'
174%(ctag)s Generated at %(date)s by %(host)s
175%(ctag)s
176""" % { 'ctag' : ctag, 'date' : time.ctime(), 'host' : socket.gethostname() }
177
[8257]178
179
[8242]180def parseaddr(s):
[8257]181 """ Process IPv4 CIDR notation addr to a (binary) number """
[8242]182 f = s.split('.')
183 return (long(f[0]) << 24L) + \
184 (long(f[1]) << 16L) + \
185 (long(f[2]) << 8L) + \
186 long(f[3])
187
[8257]188
189
[8242]190def showaddr(a):
[8257]191 """ Display IPv4 addr in (dotted) CIDR notation """
[8242]192 return "%d.%d.%d.%d" % ((a >> 24) & 0xff, (a >> 16) & 0xff, (a >> 8) & 0xff, a & 0xff)
193
[8257]194
[8584]195def is_member(ip, mask, canidate):
196 """ Return True if canidate is part of ip/mask block"""
197 ip_addr = gformat.parseaddr(ip)
198 ip_canidate = gformat.parseaddr(canidate)
199 mask = int(mask)
200 ip_addr = ip_addr & ~((1 << (32 - mask)) - 1)
201 ip_canidate = ip_canidate & ~((1 << (32 - mask)) - 1)
202 return ip_addr == ip_canidate
203
[8257]204
[8584]205
206
[8242]207def netmask2subnet(netmask):
[8257]208 """ Given a 'netmask' return corresponding CIDR """
[8242]209 return showaddr(0xffffffff & (0xffffffff << (32 - int(netmask))))
210
[8257]211
212
[8242]213def generate_dnsmasq_conf(datadump):
[8257]214 """ Generate configuration file '/usr/local/etc/dnsmasq.conf' """
[8242]215 output = generate_header()
216 output += """\
217# DHCP server options
218dhcp-authoritative
219dhcp-fqdn
220domain=dhcp.%(nodename_lower)s.%(domain)s
221domain-needed
222expand-hosts
223
224# Low memory footprint
225cache-size=10000
226 \n""" % datadump
227
228 for iface_key in datadump['iface_keys']:
[8262]229 if not datadump[iface_key].has_key('comment'):
230 datadump[iface_key]['comment'] = None
231 output += "## %(interface)s - %(desc)s - %(comment)s\n" % datadump[iface_key]
[8242]232
233 try:
[8257]234 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
[8242]235 (ip, netmask) = datadump[iface_key]['ip'].split('/')
236 datadump[iface_key]['subnet'] = netmask2subnet(netmask)
[8262]237 except (AttributeError, ValueError):
[8242]238 output += "# not autoritive\n\n"
239 continue
240
241 dhcp_part = ".".join(ip.split('.')[0:3])
242 datadump[iface_key]['dhcp_start'] = dhcp_part + "." + dhcp_start
243 datadump[iface_key]['dhcp_stop'] = dhcp_part + "." + dhcp_stop
244 output += "dhcp-range=%(interface)s,%(dhcp_start)s,%(dhcp_stop)s,%(subnet)s,24h\n\n" % datadump[iface_key]
245
246 return output
247
[8257]248
249
[8242]250def generate_rc_conf_local(datadump):
[8257]251 """ Generate configuration file '/etc/rc.conf.local' """
[8242]252 output = generate_header("#");
253 output += """\
254hostname='%(nodetype)s%(nodename)s.%(domain)s'
255location='%(location)s'
256""" % datadump
257
258 # TProxy configuration
259 output += "\n"
260 try:
261 if datadump['tproxy']:
262 output += """\
263tproxy_enable='YES'
264tproxy_range='%(tproxy)s'
265""" % datadump
266 except KeyError:
267 output += "tproxy_enable='NO'\n"
268
269 output += '\n'
270 # lo0 configuration:
271 # - 172.32.255.1/32 is the proxy.wleiden.net deflector
272 # - masterip is special as it needs to be assigned to at
273 # least one interface, so if not used assign to lo0
274 addrs_list = { 'lo0' : ["127.0.0.1/8", "172.31.255.1/32"] }
275 iface_map = {'lo0' : 'lo0'}
276
[8297]277 masterip_used = False
278 for iface_key in datadump['iface_keys']:
279 if datadump[iface_key]['ip'].startswith(datadump['masterip']):
280 masterip_used = True
281 break
282 if not masterip_used:
283 addrs_list['lo0'].append(datadump['masterip'] + "/32")
284
[8242]285 wlan_count = 0
286 for iface_key in datadump['iface_keys']:
287 ifacedump = datadump[iface_key]
288 interface = ifacedump['interface']
289 # By default no special interface mapping
290 iface_map[interface] = interface
291
292 # Add interface IP to list
293 if addrs_list.has_key(interface):
294 addrs_list[interface].append(ifacedump['ip'])
295 else:
296 addrs_list[interface] = [ifacedump['ip']]
297
298 # Alias only needs IP assignment for now, this might change if we
299 # are going to use virtual accesspoints
300 if "alias" in iface_key:
301 continue
302
303 # XXX: Might want to deduct type directly from interface name
304 if ifacedump['type'] in ['11a', '11b', '11g', 'wireless']:
305 # Create wlanX interface
306 ifacedump['wlanif'] ="wlan%i" % wlan_count
307 iface_map[interface] = ifacedump['wlanif']
308 wlan_count += 1
309
310 # Default to station (client) mode
311 ifacedump['wlanmode'] = "sta"
[8274]312 if ifacedump['mode'] in ['master', 'master-wds']:
[8242]313 ifacedump['wlanmode'] = "ap"
314 # Default to 802.11b mode
315 ifacedump['mode'] = '11b'
316 if ifacedump['type'] in ['11a', '11b' '11g']:
317 ifacedump['mode'] = ifacedump['type']
318
319 if not ifacedump.has_key('channel'):
320 if ifacedump['type'] == '11a':
321 ifacedump['channel'] = 36
322 else:
323 ifacedump['channel'] = 1
324
325 # Allow special hacks at the back like wds and stuff
326 if not ifacedump.has_key('extra'):
327 ifacedump['extra'] = 'regdomain ETSI country NL'
328
329 output += "wlans_%(interface)s='%(wlanif)s'\n" % ifacedump
330 output += ("create_args_%(wlanif)s='wlanmode %(wlanmode)s mode " +\
[8274]331 "%(mode)s ssid %(ssid)s %(extra)s channel %(channel)s'\n") % ifacedump
[8242]332
333 elif ifacedump['type'] in ['ethernet', 'eth']:
334 # No special config needed besides IP
335 pass
336 else:
337 assert False, "Unknown type " + ifacedump['type']
338
339 # Print IP address which needs to be assigned over here
340 output += "\n"
341 for iface,addrs in sorted(addrs_list.iteritems()):
342 output += "ipv4_addrs_%s='%s'\n" % (iface_map[iface], " ".join(addrs))
343
344 return output
345
[8257]346
347
[8242]348def get_yaml(item):
[8257]349 """ Get configuration yaml for 'item'"""
[8258]350 gfile = NODE_DIR + '/%s/wleiden.yaml' % item
[8242]351
352 f = open(gfile, 'r')
[8588]353 datadump = yaml.load(f,Loader=Loader)
[8242]354 f.close()
355
356 return datadump
357
[8588]358def store_yaml(datadump):
359 """ Store configuration yaml for 'item'"""
360 gfile = NODE_DIR + '/%s/wleiden.yaml' % item
[8257]361
[8588]362 f = open(gfile, 'w')
363 f.write(generate_wleiden_yaml(datadump))
364 f.close()
[8257]365
[8588]366
367
[8317]368def get_all_configs():
369 """ Get dict with key 'host' with all configs present """
370 configs = dict()
371 for host in get_hostlist():
372 datadump = get_yaml(host)
373 configs[host] = datadump
374 return configs
375
376
[8319]377def get_interface_keys(config):
378 """ Quick hack to get all interface keys, later stage convert this to a iterator """
379 return [elem for elem in config.keys() if (elem.startswith('iface_') and not "lo0" in elem)]
[8317]380
[8319]381
[8317]382def get_used_ips(configs):
383 """ Return array of all IPs used in config files"""
384 ip_list = []
[8319]385 for config in configs:
[8317]386 ip_list.append(config['masterip'])
[8319]387 for iface_key in get_interface_keys(config):
[8317]388 l = config[iface_key]['ip']
389 addr, mask = l.split('/')
390 # Special case do not process
[8332]391 if valid_addr(addr):
392 ip_list.append(addr)
393 else:
394 print "## IP '%s' in '%s' not valid" % (addr, config['nodename'])
[8317]395 return sorted(ip_list)
396
397
398
[8267]399def write_yaml(item, datadump):
400 """ Write configuration yaml for 'item'"""
401 gfile = NODE_DIR + '/%s/wleiden.yaml' % item
402
403 f = open(gfile, 'w')
404 f.write(format_wleiden_yaml(datadump))
405 f.close()
406
407
408
[8242]409def generate_resolv_conf(datadump):
[8257]410 """ Generate configuration file '/etc/resolv.conf' """
[8242]411 output = generate_header("#");
412 output += """\
413search wleiden.net
414# Try local (cache) first
415nameserver 127.0.0.1
416
417# Proxies are recursive nameservers
418# needs to be in resolv.conf for dnsmasq as well
419""" % datadump
420
[8267]421 for proxy in get_proxylist():
[8242]422 proxy_ip = get_yaml(proxy)['masterip']
423 output += "nameserver %-15s # %s\n" % (proxy_ip, proxy)
424 return output
425
426
[8257]427
[8267]428def format_yaml_value(value):
429 """ Get yaml value in right syntax for outputting """
430 if isinstance(value,str):
431 output = "'%s'" % value
432 else:
433 output = value
434 return output
435
436
437
438def format_wleiden_yaml(datadump):
[8242]439 """ Special formatting to ensure it is editable"""
[8267]440 output = "# Genesis config yaml style\n"
[8262]441 output += "# vim:ts=2:et:sw=2:ai\n"
[8242]442 output += "#\n"
443 iface_keys = [elem for elem in datadump.keys() if elem.startswith('iface_')]
444 for key in sorted(set(datadump.keys()) - set(iface_keys)):
[8267]445 output += "%-10s: %s\n" % (key, format_yaml_value(datadump[key]))
[8242]446
447 output += "\n\n"
448
[8272]449 key_order = [ 'comment', 'interface', 'ip', 'desc', 'sdesc', 'mode', 'type',
450 'extra_type', 'channel', 'ssid', 'dhcp' ]
451
[8242]452 for iface_key in sorted(iface_keys):
453 output += "%s:\n" % iface_key
[8272]454 for key in key_order + list(sorted(set(datadump[iface_key].keys()) - set(key_order))):
455 if datadump[iface_key].has_key(key):
456 output += " %-11s: %s\n" % (key, format_yaml_value(datadump[iface_key][key]))
[8242]457 output += "\n\n"
458
459 return output
460
461
[8257]462
[8267]463def generate_wleiden_yaml(datadump):
464 """ Generate (petty) version of wleiden.yaml"""
465 output = generate_header("#")
466 output += format_wleiden_yaml(datadump)
467 return output
468
469
[8588]470def generate_yaml(datadump):
471 return generate_config(datadump['nodename'], "wleiden.yaml", datadump)
472
[8267]473
[8588]474
[8298]475def generate_config(node, config, datadump=None):
[8257]476 """ Print configuration file 'config' of 'node' """
[8267]477 output = ""
[8242]478 try:
479 # Load config file
[8298]480 if datadump == None:
481 datadump = get_yaml(node)
[8242]482
[8267]483 # Preformat certain needed variables for formatting and push those into special object
484 datadump_extra = copy.deepcopy(datadump)
485 if not datadump_extra.has_key('domain'):
486 datadump_extra['domain'] = 'wleiden.net'
487 datadump_extra['nodename_lower'] = datadump_extra['nodename'].lower()
488 datadump_extra['iface_keys'] = sorted([elem for elem in datadump.keys() if elem.startswith('iface_')])
489
[8242]490 if config == 'wleiden.yaml':
[8267]491 output += generate_wleiden_yaml(datadump)
492 elif config == 'authorized_keys':
[8242]493 f = open("global_keys", 'r')
[8267]494 output += f.read()
[8242]495 f.close()
496 elif config == 'dnsmasq.conf':
[8267]497 output += generate_dnsmasq_conf(datadump_extra)
[8242]498 elif config == 'rc.conf.local':
[8267]499 output += generate_rc_conf_local(datadump_extra)
[8242]500 elif config == 'resolv.conf':
[8267]501 output += generate_resolv_conf(datadump_extra)
[8242]502 else:
503 assert False, "Config not found!"
504 except IOError, e:
[8267]505 output += "[ERROR] Config file not found"
506 return output
[8242]507
508
[8257]509
[8258]510def process_cgi_request():
511 """ When calling from CGI """
512 # Update repository if requested
513 form = cgi.FieldStorage()
514 if form.getvalue("action") == "update":
[8259]515 print "Refresh: 5; url=."
[8258]516 print "Content-type:text/plain\r\n\r\n",
517 print "[INFO] Updating subverion, please wait..."
518 print subprocess.Popen(['svn', 'up', NODE_DIR], stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0],
519 print "[INFO] All done, redirecting in 5 seconds"
520 sys.exit(0)
521
522
523 uri = os.environ['PATH_INFO'].strip('/').split('/')
[8267]524 output = ""
[8258]525 if not uri[0]:
[8267]526 output += "Content-type:text/html\r\n\r\n"
[8296]527 output += generate_title(get_hostlist())
[8258]528 elif len(uri) == 1:
[8267]529 output += "Content-type:text/plain\r\n\r\n"
530 output += generate_node(uri[0])
[8258]531 elif len(uri) == 2:
[8267]532 output += "Content-type:text/plain\r\n\r\n"
533 output += generate_config(uri[0], uri[1])
[8258]534 else:
535 assert False, "Invalid option"
[8267]536 print output
[8242]537
[8588]538def get_fqdn(datadump):
539 # Proxy naming convention is special
540 if datadump['nodetype'] == 'Proxy':
541 fqdn = datadump['nodename']
542 else:
543 # By default the full name is listed and also a shortname CNAME for easy use.
544 fqdn = datadump['nodetype'] + datadump['nodename']
545 return(fqdn)
546
547
[8259]548
[8588]549def make_dns():
550 items = dict()
[8598]551
[8588]552 # hostname is key, IP is value
553 wleiden_zone = dict()
554 wleiden_cname = dict()
[8598]555
[8588]556 pool = dict()
557 for node in get_hostlist():
558 datadump = get_yaml(node)
559
560 # Proxy naming convention is special
561 fqdn = get_fqdn(datadump)
562 if datadump['nodetype'] == 'CNode':
563 wleiden_cname[datadump['nodename']] = fqdn
564
565 wleiden_zone[fqdn] = datadump['masterip']
566
[8598]567 # Hacking to get proper DHCP IPs and hostnames
[8588]568 for iface_key in get_interface_keys(datadump):
[8598]569 iface_name = datadump[iface_key]['interface'].replace(':',"-alias-")
[8588]570 (ip, netmask) = datadump[iface_key]['ip'].split('/')
571 try:
572 (dhcp_start, dhcp_stop) = datadump[iface_key]['dhcp'].split('-')
573 datadump[iface_key]['subnet'] = netmask2subnet(netmask)
574 dhcp_part = ".".join(ip.split('.')[0:3])
575 if ip != datadump['masterip']:
576 wleiden_zone["dhcp-gateway-%s.%s" % (iface_name, fqdn)] = ip
577 for i in range(int(dhcp_start), int(dhcp_stop) + 1):
578 wleiden_zone["dhcp-%s-%s.%s" % (i, iface_name, fqdn)] = "%s.%s" % (dhcp_part, i)
579 except (AttributeError, ValueError):
580 # First push it into a pool, to indentify the counter-part later on
581 addr = parseaddr(ip)
582 netmask = int(netmask)
583 addr = addr & ~((1 << (32 - netmask)) - 1)
584 if pool.has_key(addr):
585 pool[addr] += [(iface_name, fqdn, ip)]
586 else:
587 pool[addr] = [(iface_name, fqdn, ip)]
588 continue
589
[8598]590 # Automatic naming convention of interlinks namely 2 + remote.lower()
[8588]591 for (key,value) in pool.iteritems():
592 if len(value) == 1:
593 (iface_name, fqdn, ip) = value[0]
594 wleiden_zone["2unused-%s.%s" % (iface_name, fqdn)] = ip
595 elif len(value) == 2:
596 (a_iface_name, a_fqdn, a_ip) = value[0]
597 (b_iface_name, b_fqdn, b_ip) = value[1]
598 wleiden_zone["2%s.%s" % (b_fqdn,a_fqdn)] = a_ip
599 wleiden_zone["2%s.%s" % (a_fqdn,b_fqdn)] = b_ip
600 else:
601 pool_members = [k[1] for k in value]
602 for item in value:
603 (iface_name, fqdn, ip) = item
[8598]604 pool_name = "2pool-" + showaddr(key).replace('.','-') + "-" + "-".join(sorted(list(set(pool_members) - set([fqdn]))))
[8588]605 wleiden_zone["%s.%s" % (pool_name, fqdn)] = ip
[8598]606
607 # Include static DNS entries
608 # XXX: Should they override the autogenerated results?
609 # XXX: Convert input to yaml more useable.
610 # Format:
611 ##; this is a comment
612 ## roomburgh=CNodeRoomburgh1
613 ## apkerk1.CNodeVosko=172.17.176.8 ;this as well
[8622]614 dns = yaml.load(open('../dns/staticDNS.yaml','r'))
615 for comment, block in dns.iteritems():
616 for k,v in block.iteritems():
[8598]617 if valid_addr(v):
618 wleiden_zone[k] = v
619 else:
620 wleiden_cname[k] = v
[8588]621
[8598]622 details = dict()
623 # 24 updates a day allowed
624 details['serial'] = time.strftime('%Y%m%d%H')
625
626 dns_header = '''
627$TTL 3h
628%(zone)s. SOA sunny.wleiden.net. beheer.lijst.wirelessleiden.nl. ( %(serial)s 1d 12h 1w 3h )
629 ; Serial, Refresh, Retry, Expire, Neg. cache TTL
630
631 NS sunny.wleiden.net.
632 \n'''
633
[8588]634
[8598]635 if not os.path.isdir('dns'):
636 os.makedirs('dns')
637 details['zone'] = 'wleiden.net'
638 f = open("dns/db." + details['zone'], "w")
639 f.write(dns_header % details)
640
[8588]641 for host,ip in wleiden_zone.iteritems():
[8598]642 if valid_addr(ip):
[8636]643 f.write("%s.wleiden.net. IN A %s \n" % (host.lower(), ip))
[8588]644 for source,dest in wleiden_cname.iteritems():
[8636]645 f.write("%s.wleiden.net. IN CNAME %s.wleiden.net.\n" % (source.lower(), dest.lower()))
[8588]646 f.close()
[8598]647
648 # Create whole bunch of specific sub arpa zones. To keep it compliant
649 for s in range(16,32):
650 details['zone'] = '%i.172.in-addr.arpa' % s
651 f = open("dns/db." + details['zone'], "w")
652 f.write(dns_header % details)
[8588]653
[8598]654 #XXX: Not effient, fix to proper data structure and do checks at other
655 # stages
656 for host,ip in wleiden_zone.iteritems():
657 if valid_addr(ip):
658 if int(ip.split('.')[1]) == s:
659 rev_ip = '.'.join(reversed(ip.split('.')))
[8636]660 f.write("%s.in-addr.arpa. IN PTR %s.wleiden.net.\n" % (rev_ip.lower(), host.lower()))
[8598]661 f.close()
[8588]662
[8598]663
[8259]664def usage():
[8598]665 print """Usage: %s <standalone [port] |test [test arguments]|static|dns>
[8259]666Examples:
[8598]667\tdns = Generate BIND compliant zone files in dns.
[8259]668\tstandalone = Run configurator webserver [default port=8000]
[8296]669\tstatic = Generate all config files and store on disk
670\t with format ./static/%%NODE%%/%%FILE%%
[8259]671\ttest CNodeRick dnsmasq.conf = Receive output of CGI script
672\t for arguments CNodeRick/dnsmasq.conf
673"""
674 exit(0)
675
676
677
[8267]678def main():
679 """Hard working sub"""
680 # Allow easy hacking using the CLI
681 if not os.environ.has_key('PATH_INFO'):
682 if len(sys.argv) < 2:
683 usage()
684
685 if sys.argv[1] == "standalone":
686 import SocketServer
687 import CGIHTTPServer
688 try:
689 PORT = int(sys.argv[2])
690 except (IndexError,ValueError):
691 PORT = 8000
692
693 class MyCGIHTTPRequestHandler(CGIHTTPServer.CGIHTTPRequestHandler):
694 """ Serve this CGI from the root of the webserver """
695 def is_cgi(self):
696 if "favicon" in self.path:
697 return False
698
699 self.cgi_info = (__file__, self.path)
700 self.path = ''
701 return True
702 handler = MyCGIHTTPRequestHandler
703 httpd = SocketServer.TCPServer(("", PORT), handler)
704 httpd.server_name = 'localhost'
705 httpd.server_port = PORT
706
707 print "serving at port", PORT
708 httpd.serve_forever()
709 elif sys.argv[1] == "test":
710 os.environ['PATH_INFO'] = "/".join(sys.argv[2:])
711 os.environ['SCRIPT_NAME'] = __file__
712 process_cgi_request()
[8296]713 elif sys.argv[1] == "static":
714 items = dict()
715 for node in get_hostlist():
716 items['node'] = node
717 items['wdir'] = "./static/%(node)s" % items
718 if not os.path.isdir(items['wdir']):
719 os.makedirs(items['wdir'])
[8298]720 datadump = get_yaml(node)
[8296]721 for config in files:
722 items['config'] = config
723 print "## Generating %(node)s %(config)s" % items
724 f = open("%(wdir)s/%(config)s" % items, "w")
[8298]725 f.write(generate_config(node, config, datadump))
[8296]726 f.close()
[8584]727 elif sys.argv[1] == "dns":
[8588]728 make_dns()
729 elif sys.argv[1] == "cleanup":
730 # First generate all datadumps
731 datadumps = dict()
732 for host in get_hostlist():
733 datadump = get_yaml(host)
734 datadumps[get_fqdn(datadump)] = datadump
735
[8622]736 datadump['latitude'], datadump['longitude'] = rdnap.rd2etrs(datadump['rdnap_x'], datadump['rdnap_y'])
[8588]737 write_yaml(host, datadump)
738 else:
739 usage()
740 else:
741 cgitb.enable()
742 process_cgi_request()
743
744
745if __name__ == "__main__":
746 main()
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