packer-cn/vendor/github.com/packer-community/winrmcp/winrmcp/endpoint.go

59 lines
1.5 KiB
Go

package winrmcp
import (
"errors"
"fmt"
"net"
"strconv"
"strings"
"time"
"github.com/masterzen/winrm"
)
func parseEndpoint(addr string, https bool, insecure bool, tlsServerName string, caCert []byte, timeout time.Duration) (*winrm.Endpoint, error) {
var host string
var port int
if addr == "" {
return nil, errors.New("Couldn't convert \"\" to an address.")
}
if !strings.Contains(addr, ":") || (strings.HasPrefix(addr, "[") && strings.HasSuffix(addr, "]")) {
host = addr
port = 5985
} else {
shost, sport, err := net.SplitHostPort(addr)
if err != nil {
return nil, fmt.Errorf("Couldn't convert \"%s\" to an address.", addr)
}
// Check for IPv6 addresses and reformat appropriately
host = IpFormat(shost)
port, err = strconv.Atoi(sport)
if err != nil {
return nil, errors.New("Couldn't convert \"%s\" to a port number.")
}
}
return &winrm.Endpoint{
Host: host,
Port: port,
HTTPS: https,
Insecure: insecure,
TLSServerName: tlsServerName,
CACert: caCert,
Timeout: timeout,
}, nil
}
// IpFormat formats the IP correctly, so we don't provide IPv6 address in an IPv4 format during node communication.
// We return the ip parameter as is if it's an IPv4 address or a hostname.
func IpFormat(ip string) string {
ipObj := net.ParseIP(ip)
// Return the ip/host as is if it's either a hostname or an IPv4 address.
if ipObj == nil || ipObj.To4() != nil {
return ip
}
return fmt.Sprintf("[%s]", ip)
}