1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
package child
import (
"fmt"
"os"
)
// generateEtcHosts makes sure the current hostname is resolved into
// 127.0.0.1 or ::1, not into the host eth0 IP address.
//
// Note that /etc/hosts is not used by nslookup/dig. (Use `getent ahostsv4` instead.)
func generateEtcHosts() ([]byte, error) {
etcHosts, err := os.ReadFile("/etc/hosts")
if err != nil {
return nil, err
}
hostname, err := os.Hostname()
if err != nil {
return nil, err
}
// FIXME: no need to add the entry if already added
s := fmt.Sprintf("%s\n127.0.0.1 %s\n::1 %s\n",
string(etcHosts), hostname, hostname)
return []byte(s), nil
}
|
