72 lines
1.6 KiB
Go
72 lines
1.6 KiB
Go
package chown
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import (
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"os"
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"path"
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"strconv"
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"github.com/hpcng/warewulf/internal/pkg/config"
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"github.com/hpcng/warewulf/internal/pkg/util"
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"github.com/hpcng/warewulf/internal/pkg/wwlog"
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"github.com/pkg/errors"
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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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overlayKind := args[0]
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overlayName := args[1]
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fileName := args[2]
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if overlayKind != "system" && overlayKind != "runtime" {
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return errors.New("overlay kind must be of type 'system' or 'runtime'")
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}
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uid, err = strconv.Atoi(args[3])
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "UID is not an integer: %s\n", args[3])
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os.Exit(1)
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}
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if len(args) > 4 {
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gid, err = strconv.Atoi(args[4])
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "GID is not an integer: %s\n", args[4])
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os.Exit(1)
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}
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} else {
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gid = 0
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}
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if overlayKind == "system" {
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overlaySourceDir = config.SystemOverlaySource(overlayName)
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} else if overlayKind == "runtime" {
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overlaySourceDir = config.RuntimeOverlaySource(overlayName)
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}
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if !util.IsDir(overlaySourceDir) {
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wwlog.Printf(wwlog.ERROR, "Overlay does not exist: %s\n", overlayName)
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os.Exit(1)
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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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wwlog.Printf(wwlog.ERROR, "File does not exist within overlay: %s:%s\n", overlayName, fileName)
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os.Exit(1)
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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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wwlog.Printf(wwlog.ERROR, "Could not set ownership: %s\n", err)
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os.Exit(1)
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}
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return nil
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}
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