43 lines
		
	
	
		
			789 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			789 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
 | 
						|
	}
 | 
						|
 | 
						|
	var records []*resolver.Record
 | 
						|
 | 
						|
	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
 | 
						|
}
 |