96 lines
2.1 KiB
Go
96 lines
2.1 KiB
Go
package delete
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import (
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"fmt"
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"os"
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"path"
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"github.com/hpcng/warewulf/internal/pkg/overlay"
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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 overlayPath string
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var fileName string
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overlayName := args[0]
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if len(args) == 2 {
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fileName = args[1]
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}
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overlayPath = overlay.OverlaySourceDir(overlayName)
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if overlayPath == "" {
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wwlog.Printf(wwlog.ERROR, "Overlay name did not resolve: '%s'\n", overlayName)
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os.Exit(1)
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}
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if !util.IsDir(overlayPath) {
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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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if fileName == "" {
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if overlayName == "wwinit" {
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return errors.New("refusing to delete the Warewulf overlay")
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}
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if Force {
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err := os.RemoveAll(overlayPath)
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if err != nil {
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return errors.Wrap(err, "failed deleting overlay")
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}
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} else {
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err := os.Remove(overlayPath)
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if err != nil {
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return errors.Wrap(err, "failed deleting overlay")
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}
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}
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fmt.Printf("Deleted overlay: %s\n", args[0])
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} else {
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removePath := path.Join(overlayPath, fileName)
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if !util.IsDir(removePath) && !util.IsFile(removePath) {
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wwlog.Printf(wwlog.ERROR, "Path to remove doesn't exist in overlay: %s\n", removePath)
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os.Exit(1)
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}
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if Force {
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err := os.RemoveAll(removePath)
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "Failed deleting file from overlay: %s:%s\n", overlayName, overlayPath)
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wwlog.Printf(wwlog.ERROR, "%s\n", err)
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os.Exit(1)
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}
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} else {
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err := os.Remove(removePath)
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if err != nil {
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wwlog.Printf(wwlog.ERROR, "Failed deleting overlay: %s:%s\n", overlayName, overlayPath)
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wwlog.Printf(wwlog.ERROR, "%s\n", err)
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os.Exit(1)
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}
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}
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if Parents {
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// Cleanup any empty directories left behind...
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i := path.Dir(removePath)
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for i != overlayPath {
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wwlog.Printf(wwlog.DEBUG, "Evaluating directory to remove: %s\n", i)
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err := os.Remove(i)
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if err != nil {
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break
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}
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wwlog.Printf(wwlog.VERBOSE, "Removed empty directory: %s\n", i)
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i = path.Dir(i)
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}
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}
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}
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return nil
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}
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