mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-06-20 09:32:13 +08:00
62 lines
1.5 KiB
Go
62 lines
1.5 KiB
Go
// Copyright 2019 Yunion
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package netutils2
|
|
|
|
import (
|
|
"net"
|
|
"time"
|
|
|
|
"yunion.io/x/pkg/errors"
|
|
)
|
|
|
|
func getIfaceIPs(iface *net.Interface) ([]net.IP, error) {
|
|
addrs, err := iface.Addrs()
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "iface.Addrs")
|
|
}
|
|
ips := make([]net.IP, 0)
|
|
for _, a := range addrs {
|
|
if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
|
|
if ipnet.IP.To4() != nil {
|
|
ips = append(ips, ipnet.IP)
|
|
}
|
|
}
|
|
}
|
|
return ips, nil
|
|
}
|
|
|
|
func WaitIfaceIps(ifname string) (*net.Interface, []net.IP, error) {
|
|
iface, err := net.InterfaceByName(ifname)
|
|
if err != nil {
|
|
return nil, nil, errors.Wrapf(err, "net.InterfaceByName %s", ifname)
|
|
}
|
|
var ips []net.IP
|
|
MAX := 60
|
|
wait := 0
|
|
for wait < MAX {
|
|
ips, err = getIfaceIPs(iface)
|
|
if err != nil {
|
|
return nil, nil, errors.Wrap(err, "getIfaceIPs")
|
|
}
|
|
if len(ips) == 0 {
|
|
time.Sleep(2 * time.Second)
|
|
wait += 2
|
|
} else {
|
|
break
|
|
}
|
|
}
|
|
return iface, ips, nil
|
|
}
|