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plugin/k8s_external: implement zone transfers (#4977)

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Implement transfer for k8s_external. Notifies not supported.

Signed-off-by: Chris O'Haver <cohaver@infoblox.com>
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Chris O'Haver 2022-03-07 12:16:24 -05:00 • committed by GitHub
parent 267ce8a820
commit 7263808fe1
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17 changed files with 493 additions and 30 deletions
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23
plugin/kubernetes/external.go
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@ -88,3 +88,26 @@ func (k *Kubernetes) ExternalAddress(state request.Request) []dns.RR {
// plugin to bind to a different IP address.
return k.nsAddrs(true, state.Zone)
}
// ExternalServices returns all services with external IPs
func (k *Kubernetes) ExternalServices(zone string) (services []msg.Service) {
zonePath := msg.Path(zone, coredns)
for _, svc := range k.APIConn.ServiceList() {
for _, ip := range svc.ExternalIPs {
for _, p := range svc.Ports {
s := msg.Service{Host: ip, Port: int(p.Port), TTL: k.ttl}
s.Key = strings.Join([]string{zonePath, svc.Namespace, svc.Name}, "/")
services = append(services, s)
s.Key = strings.Join(append([]string{zonePath, svc.Namespace, svc.Name}, strings.ToLower("_"+string(p.Protocol)), strings.ToLower("_"+string(p.Name))), "/")
s.TargetStrip = 2
services = append(services, s)
}
}
}
return services
}
//ExternalSerial returns the serial of the external zone
func (k *Kubernetes) ExternalSerial(string) uint32 {
return uint32(k.APIConn.Modified(true))
}