server_address set to IPv6

[sudeephb]

Hi,

When used on units with IPv6, the charm will configure the "server_address" option in nrpe.cfg with just the IPv6 present on the unit.

This is probably generally unwanted when there's a routable IPv4 on the unit, and in that case I guess the IPv4 should be used instead.

An option could also be provided to allow the operator to specify which IP to use.

Thanks

---

Imported from Launchpad using lp2gh.

• date created: 2022-12-19T21:03:50Z

• owner: axino

• assignee: None

• the launchpad url

[sudeephb]

(by axino)
Alternatively, one could use IPv4 addresses for "server_address" when all the "allowed_hosts" domains resolve to only IPv4 addresses.

[sudeephb]

(by eric-chen)
This charm is under maintenance mode. Only critical bug will be handled.

[ben-ballot]

This is critical. this breaks all compatibility with the existing infrastructure as soon as you have an ipv6 address for the unit

[dashmage]

I'm finding it difficult to reproduce this environment for testing. Is there a good way to setup an ipv6 + ipv4 network to test how the network-get hook is picking up an ipv6 address as well for the unit?
@ben-ballot