/
cmd_network.go
145 lines (125 loc) · 2.62 KB
/
cmd_network.go
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package main
import (
"fmt"
"net"
"strings"
"syscall"
pb "github.com/0xef53/phoenix-guest-agent/protobufs/agent"
empty "github.com/golang/protobuf/ptypes/empty"
"github.com/vishvananda/netlink"
)
func (c *Command) ShowRouteList(family string) error {
req := pb.RouteListRequest{}
switch family {
case "6":
req.Family = syscall.AF_INET6
default:
req.Family = syscall.AF_INET
}
resp, err := c.client.GetRouteList(c.ctx, &req)
if err != nil {
return err
}
return printJSON(resp)
}
func (c *Command) UpdateRouteTable(action, dst, gw, ifname string) error {
req := pb.RouteRequest{
LinkName: ifname,
}
if len(gw) == 0 {
// link route
req.Scope = pb.RouteScope(netlink.SCOPE_LINK)
dstAddr, err := parseIPNet(dst)
if err != nil {
return err
}
req.Dst = dstAddr.String()
} else {
// route via gateway
gwAddr, err := parseIPNet(gw)
if err != nil {
return err
}
req.Gw = gwAddr.IP.String()
if dst == "default" {
if gwAddr.IP.To4() != nil {
req.Dst = "0.0.0.0/0"
} else {
req.Dst = "::/0"
}
} else {
dstAddr, err := parseIPNet(dst)
if err != nil {
return err
}
req.Dst = dstAddr.String()
}
}
switch action {
case "add":
if _, err := c.client.AddRoute(c.ctx, &req); err != nil {
return err
}
case "del":
if _, err := c.client.DelRoute(c.ctx, &req); err != nil {
return err
}
default:
return fmt.Errorf("invalid action: %s", action)
}
return nil
}
func parseIPNet(s string) (*net.IPNet, error) {
if !strings.Contains(s, "/") {
if net.ParseIP(s).To4() != nil {
s += "/32"
} else {
s += "/128"
}
}
return netlink.ParseIPNet(s)
}
func (c *Command) ShowInterfaces() error {
resp, err := c.client.GetInterfaces(c.ctx, new(empty.Empty))
if err != nil {
return err
}
return printJSON(resp)
}
func (c *Command) UpdateInterfaceLinkState(action, ifname string) error {
req := pb.LinkNameRequest{
Name: ifname,
}
switch action {
case "up":
if _, err := c.client.SetInterfaceLinkUp(c.ctx, &req); err != nil {
return err
}
case "down":
if _, err := c.client.SetInterfaceLinkDown(c.ctx, &req); err != nil {
return err
}
default:
return fmt.Errorf("invalid action: %s", action)
}
return nil
}
func (c *Command) UpdateInterfaceAddrList(action, ipcidr, ifname string) error {
req := pb.IPAddrRequest{
LinkName: ifname,
Addr: ipcidr,
}
switch action {
case "add":
if _, err := c.client.AddIPAddr(c.ctx, &req); err != nil {
return err
}
case "del":
if _, err := c.client.DelIPAddr(c.ctx, &req); err != nil {
return err
}
default:
return fmt.Errorf("invalid action: %s", action)
}
return nil
}