-
Notifications
You must be signed in to change notification settings - Fork 431
/
config_linux.go
56 lines (47 loc) · 1.38 KB
/
config_linux.go
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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
package daemon
import (
"fmt"
"net"
"github.com/vishvananda/netlink"
corev1 "k8s.io/api/core/v1"
)
const defaultBindSocket = "/run/openvswitch/kube-ovn-daemon.sock"
func getSrcIPsByRoutes(iface *net.Interface) ([]string, error) {
link, err := netlink.LinkByName(iface.Name)
if err != nil {
return nil, fmt.Errorf("failed to get link %s: %v", iface.Name, err)
}
routes, err := netlink.RouteList(link, netlink.FAMILY_ALL)
if err != nil {
return nil, fmt.Errorf("failed to get routes on link %s: %v", iface.Name, err)
}
srcIPs := make([]string, 0, 2)
for _, r := range routes {
if r.Src != nil && r.Scope == netlink.SCOPE_LINK {
srcIPs = append(srcIPs, r.Src.String())
}
}
return srcIPs, nil
}
func getIfaceByIP(ip string) (string, int, error) {
links, err := netlink.LinkList()
if err != nil {
return "", 0, err
}
for _, link := range links {
addrs, err := netlink.AddrList(link, netlink.FAMILY_ALL)
if err != nil {
return "", 0, fmt.Errorf("failed to get addresses of link %s: %v", link.Attrs().Name, err)
}
for _, addr := range addrs {
if addr.IPNet.Contains(net.ParseIP(ip)) && addr.IP.String() == ip {
return link.Attrs().Name, link.Attrs().MTU, nil
}
}
}
return "", 0, fmt.Errorf("failed to find interface by address %s", ip)
}
func (config *Configuration) initRuntimeConfig(node *corev1.Node) error {
// nothing to do on Linux
return nil
}