micro/network/resolver/dns/dns.go
2019-11-11 00:03:51 +00:00

43 lines
809 B
Go

// Package dns resolves names to dns records
package dns
import (
"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) {
host, port, err := net.SplitHostPort(name)
if err != nil {
host = name
port = "8085"
}
if len(host) == 0 {
host = "localhost"
}
addrs, err := net.LookupHost(host)
if err != nil {
return nil, err
}
records := make([]*resolver.Record, 0, len(addrs))
for _, addr := range addrs {
// join resolved record with port
address := net.JoinHostPort(addr, port)
// append to record set
records = append(records, &resolver.Record{
Address: address,
})
}
return records, nil
}