forked from coredns/coredns
/
onstartup.go
29 lines (25 loc) · 827 Bytes
/
onstartup.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
package dnsserver
import "fmt"
// startUpZones create the text that we show when starting up:
// grpc://example.com.:1055
// example.com.:1053 on 127.0.0.1
func startUpZones(protocol, addr string, zones map[string]*Config) string {
s := ""
for zone := range zones {
// split addr into protocol, IP and Port
_, ip, port, err := SplitProtocolHostPort(addr)
if err != nil {
// this should not happen, but we need to take care of it anyway
s += fmt.Sprintln(protocol + zone + ":" + addr)
continue
}
if ip == "" {
s += fmt.Sprintln(protocol + zone + ":" + port)
continue
}
// if the server is listening on a specific address let's make it visible in the log,
// so one can differentiate between all active listeners
s += fmt.Sprintln(protocol + zone + ":" + port + " on " + ip)
}
return s
}