micro/resolver/dnssrv/dnssrv.go
Vasiliy Tolstov 06136312bb
regen files with never protoc (#6)
* regen files with never protoc
* rewrite import path

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-08-19 17:47:17 +03:00

32 lines
706 B
Go

// Package dns srv resolves names to dns srv records
package dnssrv
import (
"fmt"
"net"
"github.com/unistack-org/micro/v3/resolver"
)
// Resolver is a DNS network resolve
type Resolver struct{}
// 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
}