-
Notifications
You must be signed in to change notification settings - Fork 149
/
nic.go
112 lines (92 loc) · 2.15 KB
/
nic.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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
/*
Copyright 2021 Terway Authors.
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 nic
import (
"fmt"
terwaySysctl "github.com/AliyunContainerService/terway/pkg/sysctl"
"github.com/AliyunContainerService/terway/plugin/driver/utils"
"github.com/vishvananda/netlink"
)
// Conf for the link
type Conf struct {
IfName string // set link name
MTU int // set link MTU
Addrs []*netlink.Addr
Routes []*netlink.Route
Rules []*netlink.Rule
Neighs []*netlink.Neigh
SysCtl map[string][]string
StripVlan bool
}
func Setup(link netlink.Link, conf *Conf) error {
var err error
if conf.IfName != "" {
changed, err := utils.EnsureLinkName(link, conf.IfName)
if err != nil {
return err
}
if changed {
link, err = netlink.LinkByIndex(link.Attrs().Index)
if err != nil {
return err
}
}
}
if conf.MTU > 0 {
_, err = utils.EnsureLinkMTU(link, conf.MTU)
if err != nil {
return err
}
}
for _, v := range conf.SysCtl {
if len(v) != 2 {
return fmt.Errorf("sysctl config err")
}
err = terwaySysctl.EnsureConf(v[0], v[1])
if err != nil {
return err
}
}
for _, addr := range conf.Addrs {
_, err = utils.EnsureAddr(link, addr)
if err != nil {
return err
}
}
_, err = utils.EnsureLinkUp(link)
if err != nil {
return err
}
for _, neigh := range conf.Neighs {
_, err = utils.EnsureNeigh(neigh)
if err != nil {
return err
}
}
for _, route := range conf.Routes {
_, err = utils.EnsureRoute(route)
if err != nil {
return err
}
}
for _, rule := range conf.Rules {
_, err = utils.EnsureIPRule(rule)
if err != nil {
return err
}
}
if conf.StripVlan {
return utils.EnsureVlanUntagger(link)
}
return nil
}