Files
warewulf/internal/app/wwctl/container/exec/main.go
2021-08-20 18:19:37 -07:00

58 lines
1.2 KiB
Go

//go:build linux
// +build linux
package exec
import (
"fmt"
"os"
"os/exec"
"syscall"
"github.com/hpcng/warewulf/internal/pkg/container"
"github.com/hpcng/warewulf/internal/pkg/wwlog"
"github.com/spf13/cobra"
)
func CobraRunE(cmd *cobra.Command, args []string) error {
containerName := args[0]
var allargs []string
if container.ValidSource(containerName) == false {
wwlog.Printf(wwlog.ERROR, "Unknown Warewulf container: %s\n", containerName)
os.Exit(1)
}
for _, b := range binds {
allargs = append(allargs, "--bind", b)
}
allargs = append(allargs, args...)
c := exec.Command("/proc/self/exe", append([]string{"container", "exec", "__child"}, allargs...)...)
//c := exec.Command("/bin/sh")
c.SysProcAttr = &syscall.SysProcAttr{
Cloneflags: syscall.CLONE_NEWUTS | syscall.CLONE_NEWPID | syscall.CLONE_NEWNS,
}
c.Stdin = os.Stdin
c.Stdout = os.Stdout
c.Stderr = os.Stderr
if err := c.Run(); err != nil {
fmt.Println("ERROR", err)
os.Exit(1)
}
fmt.Printf("Rebuilding container...\n")
err := container.Build(containerName, false)
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not build container %s: %s\n", containerName, err)
os.Exit(1)
} else {
//fmt.Printf("%s\n", output)
}
return nil
}