[Bug 1382190] Re: LXCs assigned IPs by MAAS DHCP lack DNS PTR entries

[Jeroen T. Vermeulen]

I agree: this is a clear-cut case for the request-an-address API, but we
still lack a request-a-hostname API.

Out of curiosity, how did the existing setup(s) obtain these generated
hostnames in the first place?  To my knowledge they were neither exposed
nor documented.  MAAS never had much control over which non-node client
got which address from DHCP, and that's why we had to re-work DHCP
management.  These old generated hostnames were no more stable than the
IP addresses were: if the container moved to a different IP address, it
would also move to a different hostname.

So if at all possible, I would address the problem in two discrete
steps:

1. Use the container's IP address, not its hostname.  It should be about
as stable as the hostname was.

2. Request a static IP through the MAAs API, and configure it statically
on the container.

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https://bugs.launchpad.net/bugs/1382190

Title:
  LXCs assigned IPs by MAAS DHCP lack DNS PTR entries

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