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support for zone transfer for kubernetes (#1259)

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* plugin/kubernetes: axfr

Hook up dynamic SOA serial by setting ResourceEventHandlerFuncs in
dnsController.

Add prototype of returns msg.Services via the Transfer function. Leave
expanding this to RRs out of scope for a bit.

* plugin/kubernetes: axfr

Respond to AXFR queries

* Fixing race condition

* Fixing instantiation of dnstest writer

* Updates from review
This commit is contained in:
Brad Beam
2018-02-08 10:11:04 -06:00
committed by Miek Gieben
parent 864f502356
commit 6fd954f19c
13 changed files with 383 additions and 18 deletions
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10
plugin/kubernetes/setup.go
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@@ -10,6 +10,7 @@ import (
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/plugin/pkg/dnsutil"
"github.com/coredns/coredns/plugin/pkg/parse"
"github.com/coredns/coredns/plugin/proxy"
"github.com/mholt/caddy"
@@ -197,6 +198,15 @@ func kubernetesParse(c *caddy.Controller) (*Kubernetes, dnsControlOpts, error) {
return nil, opts, c.Errf("ttl must be in range [5, 3600]: %d", t)
}
k8s.ttl = uint32(t)
case "transfer":
tos, froms, err := parse.Transfer(c, false)
if err != nil {
return nil, opts, err
}
if len(froms) != 0 {
return nil, opts, c.Errf("transfer from is not supported with this plugin")
}
k8s.TransferTo = tos
default:
return nil, opts, c.Errf("unknown property '%s'", c.Val())
}