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plugin/k8s_external: Add support for PTR requests (#5435)

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* Exclude External IP addresses from being added to the existing kubernetes' plugin IP->Service index
* Add support for PTR requests on External IPs of Services to the k8s_external plugin

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
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Chris O'Haver 2022-07-06 13:55:15 -04:00 • committed by GitHub
parent d903a963ee
commit e80d696502
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12 changed files with 163 additions and 44 deletions
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plugin/k8s_external/external.go
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@ -105,6 +105,8 @@ func (e *External) ServeDNS(ctx context.Context, w dns.ResponseWriter, r *dns.Ms
m.Answer, m.Truncated = e.aaaa(ctx, svc, state)
case dns.TypeSRV:
m.Answer, m.Extra = e.srv(ctx, svc, state)
case dns.TypePTR:
m.Answer = e.ptr(svc, state)
default:
m.Ns = []dns.RR{e.soa(state)}
}