docker/sysinit/sysinit.go

63 строки
1.6 KiB
Go

package sysinit
import (
"flag"
"fmt"
"github.com/dotcloud/docker/runtime/execdriver"
_ "github.com/dotcloud/docker/runtime/execdriver/lxc"
_ "github.com/dotcloud/docker/runtime/execdriver/native"
"log"
"os"
)
func executeProgram(args *execdriver.InitArgs) error {
dockerInitFct, err := execdriver.GetInitFunc(args.Driver)
if err != nil {
panic(err)
}
return dockerInitFct(args)
}
// Sys Init code
// This code is run INSIDE the container and is responsible for setting
// up the environment before running the actual process
func SysInit() {
if len(os.Args) <= 1 {
fmt.Println("You should not invoke dockerinit manually")
os.Exit(1)
}
var (
// Get cmdline arguments
user = flag.String("u", "", "username or uid")
gateway = flag.String("g", "", "gateway address")
ip = flag.String("i", "", "ip address")
workDir = flag.String("w", "", "workdir")
privileged = flag.Bool("privileged", false, "privileged mode")
mtu = flag.Int("mtu", 1500, "interface mtu")
driver = flag.String("driver", "", "exec driver")
pipe = flag.Int("pipe", 0, "sync pipe fd")
console = flag.String("console", "", "console (pty slave) path")
root = flag.String("root", ".", "root path for configuration files")
)
flag.Parse()
args := &execdriver.InitArgs{
User: *user,
Gateway: *gateway,
Ip: *ip,
WorkDir: *workDir,
Privileged: *privileged,
Args: flag.Args(),
Mtu: *mtu,
Driver: *driver,
Console: *console,
Pipe: *pipe,
Root: *root,
}
if err := executeProgram(args); err != nil {
log.Fatal(err)
}
}