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Random suffix only on collision.

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0.16.0 introduced random suffixes to all machine given names
(DNS hostnames) regardless of collisions within a namespace.
This commit brings Headscale more inline with Tailscale by only
adding a suffix if the hostname will collide within the namespace.

The suffix generation differs from Tailscale.
See https://tailscale.com/kb/1098/machine-names/
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= 2022-08-31 12:41:01 +01:00 • committed by Kristoffer Dalby
parent 98f5b7f638
commit 2aebd2927d
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5 changed files with 154 additions and 49 deletions
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@ -18,6 +18,7 @@
- Add support for generating pre-auth keys with tags [#767](https://github.com/juanfont/headscale/pull/767)
- Add support for evaluating `autoApprovers` ACL entries when a machine is registered [#763](https://github.com/juanfont/headscale/pull/763)
- Add config flag to allow Headscale to start if OIDC provider is down [#829](https://github.com/juanfont/headscale/pull/829)
- Random node DNS suffix only applied if names collide in namespace. [#766](https://github.com/juanfont/headscale/issues/766)
## 0.16.4 (2022-08-21)