[Bug 1356012] [NEW] maas incorrectly overmanages DNS reverse zones

[LaMont Jones]

Public bug reported:

when I configure maas to manage DNS and DHCP for 10.89.64.0/20, it
creates a reverse zone for 89.10.in-addr.arpa.

If 10.89.0.0/16 is in use for other things, and only 10.89.64.0/20 was
delegated to scalingstack, then no reverse DNS can happen, since the
parent zone will win the argument.

In this case, maas needs to create the following zones, and properly populate them (nsupdate will do the right thing if the zone declarations are correct):
    64.89.10.in-addr.arpa
    65.89.10.in-addr.arpa
    ...
    78.89.10.in-addr.arpa
    79.89.10.in-addr.arpa
(a total of 16 zones.)

Seen on trusty:
ii maas-dns  1.5.2+bzr2282-0ubuntu0.2  all   MAAS DNS server

Please let me know what other information you need.

lamont

** Affects: maas (Ubuntu)
     Importance: Undecided
         Status: New

** Summary changed:

- maas incorrectly overmanages DNS
+ maas incorrectly overmanages DNS reverse zones

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https://bugs.launchpad.net/bugs/1356012

Title:
  maas incorrectly overmanages DNS reverse zones

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