57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package chown
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import (
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"fmt"
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"os"
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"path"
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"strconv"
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"github.com/warewulf/warewulf/internal/pkg/overlay"
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"github.com/warewulf/warewulf/internal/pkg/util"
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"github.com/spf13/cobra"
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)
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func CobraRunE(cmd *cobra.Command, args []string) error {
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var overlaySourceDir string
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var uid int
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var gid int
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var err error
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overlayName := args[0]
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fileName := args[1]
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uid, err = strconv.Atoi(args[2])
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if err != nil {
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return fmt.Errorf("UID is not an integer: %s", args[2])
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}
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if len(args) > 3 {
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gid, err = strconv.Atoi(args[3])
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if err != nil {
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return fmt.Errorf("GID is not an integer: %s", args[3])
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}
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} else {
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gid = -1
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}
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overlaySourceDir = overlay.OverlaySourceDir(overlayName)
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if !util.IsDir(overlaySourceDir) {
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return fmt.Errorf("overlay does not exist: %s", overlayName)
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}
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overlayFile := path.Join(overlaySourceDir, fileName)
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if !util.IsFile(overlayFile) && !util.IsDir(overlayFile) {
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return fmt.Errorf("file does not exist within overlay: %s:%s", overlayName, fileName)
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}
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err = os.Chown(overlayFile, uid, gid)
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if err != nil {
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return fmt.Errorf("could not set ownership: %s", err)
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}
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return nil
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}
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