author | Tero Marttila <tero.marttila@aalto.fi> |
Thu, 26 Feb 2015 17:36:23 +0200 | |
changeset 506 | b19104afe1b4 |
parent 497 | 0082d2092d1f |
child 658 | 3ecc84d5e779 |
permissions | -rw-r--r-- |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
1 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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changeset
|
2 |
Generate zonefile records from hosts |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
3 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
4 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
5 |
import ipaddr |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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|
6 |
import logging; log = logging.getLogger('pvl.hosts.zone') |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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|
7 |
import pvl.dns |
487
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
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8 |
import pvl.hosts.host |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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9 |
|
487
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
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10 |
class HostZoneError(pvl.hosts.host.HostError): |
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
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|
11 |
pass |
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parents:
diff
changeset
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12 |
|
471
e4b4458d8061
pvl.hosts: test location domains
Tero Marttila <tero.marttila@aalto.fi>
parents:
470
diff
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13 |
# TODO: generate location alias CNAMEs even if host itself is outside origin? |
496
530f22575889
pvl.hosts.zone: label=relative() check handles FQDNs
Tero Marttila <tero.marttila@aalto.fi>
parents:
495
diff
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|
14 |
def host_forward (host, origin): |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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|
15 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
16 |
Yield ZoneRecords for hosts within the given zone origin |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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changeset
|
17 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
18 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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|
19 |
try: |
487
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pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
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20 |
label = pvl.dns.relative(origin, host.domain, host.name) |
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
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21 |
except ValueError as error: |
458
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Tero Marttila <tero.marttila@aalto.fi>
parents:
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22 |
log.info("%s: skip: %s", host, error) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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|
23 |
return |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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24 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
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|
25 |
if host.forward: |
463
2cbdb2435487
pvl.hosts.zone: fix pvl.dns.fqdn() and basic tests for host_forward/reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
462
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26 |
forward = pvl.dns.fqdn(host.forward) |
458
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Tero Marttila <tero.marttila@aalto.fi>
parents:
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27 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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|
28 |
log.info("%s: forward: %s", host, forward) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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29 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
30 |
yield pvl.dns.ZoneRecord.CNAME(label, forward) |
467
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
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31 |
|
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
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32 |
elif host.forward is None: |
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
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parents:
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33 |
# forward |
3bb00e5e79d3
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parents:
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34 |
if host.ip : |
506
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pvl.hosts.zone: better log.info
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35 |
log.info("%s: ip: %s@%s A %s", host, label, origin, host.ip) |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
36 |
|
467
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
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|
37 |
yield pvl.dns.ZoneRecord.A(label, host.ip) |
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
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|
38 |
|
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
changeset
|
39 |
if host.ip6 : |
506
b19104afe1b4
pvl.hosts.zone: better log.info
Tero Marttila <tero.marttila@aalto.fi>
parents:
497
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40 |
log.info("%s: ip6: %s@%s AAAA %s", host, label, origin, host.ip6) |
467
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pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
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41 |
|
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
changeset
|
42 |
yield pvl.dns.ZoneRecord.AAAA(label, host.ip6) |
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
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43 |
|
3bb00e5e79d3
pvl.hosts.zone: support combining forward= with alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
466
diff
changeset
|
44 |
else: |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
45 |
log.info("%s: skip forward", host) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
46 |
return |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
47 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
48 |
if host.location: |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
49 |
location_alias, location_domain = host.location |
471
e4b4458d8061
pvl.hosts: test location domains
Tero Marttila <tero.marttila@aalto.fi>
parents:
470
diff
changeset
|
50 |
|
487
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
51 |
try: |
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
52 |
yield pvl.dns.ZoneRecord.CNAME(pvl.dns.relative(origin, location_domain, location_alias), label) |
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
53 |
except ValueError as error: |
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
54 |
raise HostZoneError(host, error) |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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|
55 |
|
466
ad9d512ec1e7
pvl.hosts.zone: test and fix alias=
Tero Marttila <tero.marttila@aalto.fi>
parents:
464
diff
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|
56 |
for alias in host.alias: |
495
629fc999cc33
pvl.hosts.zone: alias= labels cannot be out of origin
Tero Marttila <tero.marttila@aalto.fi>
parents:
489
diff
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|
57 |
yield pvl.dns.ZoneRecord.CNAME(pvl.dns.relative(origin, host.domain, alias), label) |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
58 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
59 |
for alias in host.alias4: |
468
3e7cb8dd5708
pvl.hosts.zone: raise HostZoneError on alias4/alias6 without ip/ip6
Tero Marttila <tero.marttila@aalto.fi>
parents:
467
diff
changeset
|
60 |
if not host.ip: |
3e7cb8dd5708
pvl.hosts.zone: raise HostZoneError on alias4/alias6 without ip/ip6
Tero Marttila <tero.marttila@aalto.fi>
parents:
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diff
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|
61 |
raise HostZoneError(host, "alias4={host.alias4} without ip=".format(host=host)) |
3e7cb8dd5708
pvl.hosts.zone: raise HostZoneError on alias4/alias6 without ip/ip6
Tero Marttila <tero.marttila@aalto.fi>
parents:
467
diff
changeset
|
62 |
|
495
629fc999cc33
pvl.hosts.zone: alias= labels cannot be out of origin
Tero Marttila <tero.marttila@aalto.fi>
parents:
489
diff
changeset
|
63 |
yield pvl.dns.ZoneRecord.A(pvl.dns.relative(origin, host.domain, alias), host.ip) |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
64 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
65 |
for alias in host.alias6: |
468
3e7cb8dd5708
pvl.hosts.zone: raise HostZoneError on alias4/alias6 without ip/ip6
Tero Marttila <tero.marttila@aalto.fi>
parents:
467
diff
changeset
|
66 |
if not host.ip6: |
3e7cb8dd5708
pvl.hosts.zone: raise HostZoneError on alias4/alias6 without ip/ip6
Tero Marttila <tero.marttila@aalto.fi>
parents:
467
diff
changeset
|
67 |
raise HostZoneError(host, "alias6={host.alias6} without ip6=".format(host=host)) |
3e7cb8dd5708
pvl.hosts.zone: raise HostZoneError on alias4/alias6 without ip/ip6
Tero Marttila <tero.marttila@aalto.fi>
parents:
467
diff
changeset
|
68 |
|
495
629fc999cc33
pvl.hosts.zone: alias= labels cannot be out of origin
Tero Marttila <tero.marttila@aalto.fi>
parents:
489
diff
changeset
|
69 |
yield pvl.dns.ZoneRecord.AAAA(pvl.dns.relative(origin, host.domain, alias), host.ip6) |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
70 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
71 |
def host_reverse (host, prefix) : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
72 |
""" |
464
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
73 |
Yield (ipaddr.IPAddress, ZoneRecord) tuples for host within given prefix's reverse-dns zone. |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
74 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
75 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
76 |
if prefix.version == 4 : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
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|
77 |
ip = host.ip |
464
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pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
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|
78 |
|
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
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|
79 |
# reverse= is IPv4-only |
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
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parents:
463
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|
80 |
reverse = host.reverse |
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
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|
81 |
|
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
82 |
elif prefix.version == 6 : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
83 |
ip = host.ip6 |
464
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
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|
84 |
|
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
85 |
# if reverse= is set, always omit, for lack of reverse6= |
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
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|
86 |
reverse = None if host.reverse is None else False |
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
87 |
|
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
88 |
else : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
89 |
raise ValueError("%s: unknown ip version: %s" % (prefix, prefix.version)) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
90 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
91 |
if not ip : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
92 |
log.debug("%s: no ip%d", host, prefix.version) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
93 |
return |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
94 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
95 |
if ip not in prefix : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
96 |
log.debug("%s: %s out of prefix: %s", host, ip, prefix) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
97 |
return |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
98 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
99 |
# relative label |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
100 |
label = pvl.dns.reverse_label(prefix, ip) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
101 |
|
464
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
102 |
if reverse: |
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
103 |
alias = pvl.dns.fqdn(reverse) |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
104 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
105 |
log.info("%s %s[%s]: CNAME %s", host, prefix, ip, alias) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
106 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
107 |
yield ip, pvl.dns.zone.ZoneRecord.CNAME(label, alias) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
108 |
|
464
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
109 |
elif reverse is None : |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
110 |
fqdn = host.fqdn() |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
111 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
112 |
log.info("%s %s[%s]: PTR %s", host, prefix, ip, fqdn) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
113 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
114 |
yield ip, pvl.dns.zone.ZoneRecord.PTR(label, fqdn) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
115 |
|
464
f1d3dbf04ca3
pvl.hosts.zone: fix reverse= to be IPv4-only
Tero Marttila <tero.marttila@aalto.fi>
parents:
463
diff
changeset
|
116 |
else: |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
117 |
log.info("%s %s[%s]: omit", host, prefix, ip) |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
118 |
|
489
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
119 |
def apply_hosts_forward (hosts, origin, |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
120 |
add_origin = False, |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
121 |
) : |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
122 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
123 |
Generate DNS ZoneRecords for for hosts within the given zone origin. |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
124 |
|
472
814cc88c531b
pvl.hosts.zone: stricter name/type + name/CNAME -conflict logic
Tero Marttila <tero.marttila@aalto.fi>
parents:
471
diff
changeset
|
125 |
Verifies that there are no overlapping name/type records, or CNAME records from aliases. |
814cc88c531b
pvl.hosts.zone: stricter name/type + name/CNAME -conflict logic
Tero Marttila <tero.marttila@aalto.fi>
parents:
471
diff
changeset
|
126 |
|
489
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
127 |
hosts: [Host] - Host's to render |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
128 |
origin: str - generate records relative to given zone origin |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
129 |
add_origin: bool - generate an explicit $ORIGIN directive |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
130 |
|
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
131 |
Yields ZoneRecords in Host-order |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
132 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
133 |
|
489
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
134 |
if add_origin: |
497
0082d2092d1f
pvl.hosts.zone: should be an fqdn
Tero Marttila <tero.marttila@aalto.fi>
parents:
496
diff
changeset
|
135 |
yield pvl.dns.ZoneDirective.build(None, 'ORIGIN', pvl.dns.fqdn(origin)) |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
136 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
137 |
by_name = dict() |
472
814cc88c531b
pvl.hosts.zone: stricter name/type + name/CNAME -conflict logic
Tero Marttila <tero.marttila@aalto.fi>
parents:
471
diff
changeset
|
138 |
by_name_type = dict() |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
139 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
140 |
for host in hosts: |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
141 |
for rr in host_forward(host, origin) : |
472
814cc88c531b
pvl.hosts.zone: stricter name/type + name/CNAME -conflict logic
Tero Marttila <tero.marttila@aalto.fi>
parents:
471
diff
changeset
|
142 |
if (rr.name, 'CNAME') in by_name_type: |
487
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
143 |
raise HostZoneError(host, "CNAME {cname} conflict: {rr}".format(cname=by_name_type[rr.name, 'CNAME'].name, rr=rr)) |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
144 |
elif rr.type == 'CNAME' and rr.name in by_name: |
487
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
145 |
raise HostZoneError(host, "CNAME {cname} conflict: {rr}".format(cname=rr.name, rr=by_name[rr.name])) |
472
814cc88c531b
pvl.hosts.zone: stricter name/type + name/CNAME -conflict logic
Tero Marttila <tero.marttila@aalto.fi>
parents:
471
diff
changeset
|
146 |
elif (rr.name, rr.type) in by_name_type: |
487
920394061b6f
pvl.hosts.zone: HostZoneError(HostError), move resolve() to pvl.dns.relative(), and expect HostError's in pvl.hosts-forward/pvl.hosts-reverse
Tero Marttila <tero.marttila@aalto.fi>
parents:
475
diff
changeset
|
147 |
raise HostZoneError(host, "{type} {name} conflict: {rr}".format(type=rr.type, name=rr.name, rr=by_name_type[rr.name, rr.type])) |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
148 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
149 |
by_name[rr.name] = rr |
472
814cc88c531b
pvl.hosts.zone: stricter name/type + name/CNAME -conflict logic
Tero Marttila <tero.marttila@aalto.fi>
parents:
471
diff
changeset
|
150 |
by_name_type[rr.name, rr.type] = rr |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
151 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
152 |
# preserve ordering |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
153 |
yield rr |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
154 |
|
489
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
155 |
def apply_hosts_reverse (hosts, prefix, |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
156 |
unknown_host = None, |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
157 |
unknown_domain = None, |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
158 |
) : |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
159 |
""" |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
160 |
Generate DNS ZoneRecords within the given prefix's reverse-dns zone for hosts. |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
161 |
|
489
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
162 |
hosts: [Host] - Host's to render PTRs for |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
163 |
prefix: ipaddr.IPNetwork - IPv4/IPv6 prefix to render PTRs for within associated in-addr.arpa/ip6.arpa zone |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
164 |
unknown_host: str - render a PTR to the given host @unknown_domain for unassigned IPs within prefix |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
165 |
unknown_domain: str - required if unknown_host is given |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
166 |
|
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
167 |
Yields ZoneRecords in IPAddress-order |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
168 |
""" |
474
51983fcda6b1
pvl.hosts.zone: fix and test --unknown-host
Tero Marttila <tero.marttila@aalto.fi>
parents:
472
diff
changeset
|
169 |
|
489
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
170 |
if unknown_host and not unknown_domain: |
7f1bd12e0d54
pvl.hosts-reverse: move options out of pvl.hosts.zone
Tero Marttila <tero.marttila@aalto.fi>
parents:
487
diff
changeset
|
171 |
raise ValueError("unknown_host requires unknown_domain=") |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
172 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
173 |
# collect data for records |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
174 |
by_ip = dict() |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
175 |
|
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
176 |
for host in hosts: |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
177 |
for ip, rr in host_reverse(host, prefix) : |
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
Tero Marttila <tero.marttila@aalto.fi>
parents:
diff
changeset
|
178 |
if ip in by_ip : |
600ad9eb6f25
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179 |
raise HostZoneError(host, "{host}: IP {ip} conflict: {other}".format(host=host, ip=ip, other=by_ip[ip])) |
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180 |
|
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181 |
# do not retain order |
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182 |
by_ip[ip] = rr |
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183 |
|
489
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pvl.hosts-reverse: move options out of pvl.hosts.zone
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184 |
if unknown_host : |
458
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185 |
# enumerate all of them |
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186 |
iter_ips = prefix.iterhosts() |
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187 |
else : |
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parents:
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|
188 |
iter_ips = sorted(by_ip) |
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
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|
189 |
|
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
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|
190 |
for ip in iter_ips : |
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|
191 |
if ip in by_ip : |
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|
192 |
yield by_ip[ip] |
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|
193 |
|
489
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pvl.hosts-reverse: move options out of pvl.hosts.zone
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diff
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|
194 |
elif unknown_host: |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
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|
195 |
# synthesize a record |
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196 |
label = pvl.dns.reverse_label(prefix, ip) |
489
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197 |
fqdn = pvl.dns.fqdn(unknown_host, unknown_domain) |
458
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|
198 |
|
489
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|
199 |
log.info("%s %s[%s]: unused PTR %s", unknown_host, ip, prefix, fqdn) |
458
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|
200 |
|
474
51983fcda6b1
pvl.hosts.zone: fix and test --unknown-host
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diff
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|
201 |
yield pvl.dns.ZoneRecord.PTR(label, fqdn) |
458
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pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
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|
202 |
|
474
51983fcda6b1
pvl.hosts.zone: fix and test --unknown-host
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diff
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|
203 |
else: |
458
600ad9eb6f25
pvl.hosts.zone: cleanup and split pvl.hosts-forward and pvl.hosts-reverse from pvl.hosts-dns
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|
204 |
continue |
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|
205 |