Files
warewulf/internal/app/wwctl/overlay/chown/main.go
2021-12-29 16:11:25 -08:00

62 lines
1.3 KiB
Go

package chown
import (
"os"
"path"
"strconv"
"github.com/hpcng/warewulf/internal/pkg/overlay"
"github.com/hpcng/warewulf/internal/pkg/util"
"github.com/hpcng/warewulf/internal/pkg/wwlog"
"github.com/spf13/cobra"
)
func CobraRunE(cmd *cobra.Command, args []string) error {
var overlaySourceDir string
var uid int
var gid int
var err error
overlayName := args[0]
fileName := args[1]
uid, err = strconv.Atoi(args[3])
if err != nil {
wwlog.Printf(wwlog.ERROR, "UID is not an integer: %s\n", args[3])
os.Exit(1)
}
if len(args) > 4 {
gid, err = strconv.Atoi(args[4])
if err != nil {
wwlog.Printf(wwlog.ERROR, "GID is not an integer: %s\n", args[4])
os.Exit(1)
}
} else {
gid = 0
}
overlaySourceDir = overlay.OverlaySourceDir(overlayName)
if !util.IsDir(overlaySourceDir) {
wwlog.Printf(wwlog.ERROR, "Overlay does not exist: %s\n", overlayName)
os.Exit(1)
}
overlayFile := path.Join(overlaySourceDir, fileName)
if !util.IsFile(overlayFile) && !util.IsDir(overlayFile) {
wwlog.Printf(wwlog.ERROR, "File does not exist within overlay: %s:%s\n", overlayName, fileName)
os.Exit(1)
}
err = os.Chown(overlayFile, uid, gid)
if err != nil {
wwlog.Printf(wwlog.ERROR, "Could not set ownership: %s\n", err)
os.Exit(1)
}
return nil
}