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DNS: Fix upgrade - master to forward zone transformation

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This happens when upgrading from IPA <= 4.0 to versions 4.3+.

DNS caching might cause false positive in code which replaces master zone
with forward zone. This will effectivelly delete the master zone
without adding a replacement forward zone.

Solution is to use skip_overlap_check option for dnsforwardzone_add command
so zone existence check is skipped and the upgrade can proceed.

https://fedorahosted.org/freeipa/ticket/5851

Reviewed-By: Martin Basti <mbasti@redhat.com>
This commit is contained in:
Petr Spacek 2016-04-26 20:09:19 +02:00 committed by Martin Basti
parent 51db9380cf
commit 475547fa40
1 changed files with 3 additions and 1 deletions
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4
ipaserver/install/plugins/dns.py
View File

@ -302,7 +302,9 @@ class update_master_to_dnsforwardzones(Updater):
try:
kw = {
'idnsforwarders': zone.get('idnsforwarders', []),
'idnsforwardpolicy': zone.get('idnsforwardpolicy', [u'first'])[0]
'idnsforwardpolicy': zone.get('idnsforwardpolicy',
[u'first'])[0],
'skip_overlap_check': True,
}
self.api.Command['dnsforwardzone_add'](zone['idnsname'][0], **kw)
except Exception as e: