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Implement init veth creation

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Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-02-19 15:33:44 -08:00
parent e25ebdd06c
commit 8430fbf11e
6 changed files with 63 additions and 67 deletions
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33
libcontainer/nsinit/exec.go
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@ -1,7 +1,9 @@
package main
import (
"fmt"
"github.com/dotcloud/docker/pkg/libcontainer"
"github.com/dotcloud/docker/pkg/libcontainer/network"
"github.com/dotcloud/docker/pkg/system"
"github.com/dotcloud/docker/pkg/term"
"io"
@ -25,11 +27,34 @@ func execCommand(container *libcontainer.Container) (pid int, err error) {
Cloneflags: flag,
}
inPipe, err := command.StdinPipe()
if err != nil {
return -1, err
}
if err := command.Start(); err != nil {
return -1, err
}
pid = command.Process.Pid
if container.Network != nil {
name1, name2, err := createVethPair()
if err != nil {
log.Fatal(err)
}
if err := network.SetInterfaceMaster(name1, container.Network.Bridge); err != nil {
log.Fatal(err)
}
if err := network.InterfaceUp(name1); err != nil {
log.Fatal(err)
}
if err := network.SetInterfaceInNamespacePid(name2, pid); err != nil {
log.Fatal(err)
}
fmt.Fprint(inPipe, name2)
inPipe.Close()
}
go func() {
if _, err := io.Copy(os.Stdout, master); err != nil {
log.Println(err)
@ -78,3 +103,11 @@ func createMasterAndConsole() (*os.File, string, error) {
}
return master, console, nil
}
func createVethPair() (name1 string, name2 string, err error) {
name1, name2 = "veth001", "veth002"
if err = network.CreateVethPair(name1, name2); err != nil {
return
}
return
}