micro/resolver/dnssrv/dnssrv.go
Vasiliy Tolstov ebd8ddf05b move to v4
Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2023-04-11 22:21:25 +03:00

34 lines
768 B
Go

// Package dnssrv resolves names to dns srv records
package dnssrv // import "go.unistack.org/micro/v4/resolver/dnssrv"
import (
"fmt"
"net"
"go.unistack.org/micro/v4/resolver"
)
// Resolver is a DNS network resolve
type Resolver struct {
Address string
}
// Resolve assumes ID is a domain name e.g micro.mu
func (r *Resolver) Resolve(name string) ([]*resolver.Record, error) {
_, addrs, err := net.LookupSRV("network", "udp", name)
if err != nil {
return nil, err
}
records := make([]*resolver.Record, 0, len(addrs))
for _, addr := range addrs {
address := addr.Target
if addr.Port > 0 {
address = fmt.Sprintf("%s:%d", addr.Target, addr.Port)
}
records = append(records, &resolver.Record{
Address: address,
})
}
return records, nil
}