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middleware/etcd: reverse addresses (#162)

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* middleware/etcd: reverse addresses

Implement reverse (PTR) addresses. Update the documentation on how to
configure test. Added tests as well.

Fixes: #157 #159

* Cleanup readme a little
This commit is contained in:
Miek Gieben
2016-06-08 10:29:46 +01:00
parent 3165084a7b
commit 713f10f6af
6 changed files with 79 additions and 5 deletions
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15
middleware/etcd/lookup.go
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@@ -305,6 +305,21 @@ func (e Etcd) CNAME(zone string, state middleware.State) (records []dns.RR, debu
return records, debug, nil
}
// PTR returns the PTR records, only services that have a domain name as host are included.
func (e Etcd) PTR(zone string, state middleware.State) (records []dns.RR, debug []msg.Service, err error) {
services, debug, err := e.records(state, true)
if err != nil {
return nil, debug, err
}
for _, serv := range services {
if ip := net.ParseIP(serv.Host); ip == nil {
records = append(records, serv.NewPTR(state.QName(), serv.Host))
}
}
return records, debug, nil
}
func (e Etcd) TXT(zone string, state middleware.State) (records []dns.RR, debug []msg.Service, err error) {
services, debug, err := e.records(state, false)
if err != nil {