Bryan Boreham
2eed101a93
We have moved the 'route add' command to the end of 'attach', so this indicates that all network interface set-up is complete.
41 lines
567 B
Go
41 lines
567 B
Go
package main
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"os/exec"
|
|
"syscall"
|
|
|
|
weavenet "github.com/weaveworks/weave/net"
|
|
)
|
|
|
|
var (
|
|
ErrNoCommandSpecified = errors.New("No command specified")
|
|
)
|
|
|
|
func main() {
|
|
var (
|
|
args = os.Args[1:]
|
|
)
|
|
|
|
_, err := weavenet.EnsureInterfaceAndMcastRoute("ethwe")
|
|
checkErr(err)
|
|
|
|
if len(args) == 0 {
|
|
checkErr(ErrNoCommandSpecified)
|
|
}
|
|
|
|
binary, err := exec.LookPath(args[0])
|
|
checkErr(err)
|
|
|
|
checkErr(syscall.Exec(binary, args, os.Environ()))
|
|
}
|
|
|
|
func checkErr(err error) {
|
|
if err != nil {
|
|
fmt.Fprintln(os.Stderr, err)
|
|
os.Exit(1)
|
|
}
|
|
}
|