micro/network/resolver/dnssrv/dnssrv.go

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2019-10-08 11:04:13 +03:00
// Package dns srv resolves names to dns srv records
package dnssrv
import (
"fmt"
"net"
"github.com/micro/go-micro/network/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
}
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records := make([]*resolver.Record, 0, len(addrs))
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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
}