Add syncuser to wwctl container shell and switch to mtime

Signed-off-by: xu yang <xyang@ciq.com>

internal/app/wwctl/container/exec/main.go

@@ -124,6 +124,10 @@ func CobraRunE(cmd *cobra.Command, args []string) error {
 		}
 	}
 
+	// getting syncuser from cmd, e.g., shell comamnd will call exec command and passing --syncuser
+	if syncUserFlag, err := cmd.Flags().GetBool("syncuser"); err == nil {
+		SyncUser = SyncUser || syncUserFlag
+	}
 	userdbChanged := false
 	if !beforePasswdTime.IsZero() {
 		afterPasswdTime := getTime(path.Join(containerPath, "/etc/passwd"))
@@ -166,7 +170,7 @@ func getTime(path string) time.Time {
 		return time.Time{}
 	} else {
 		unixStat := fileStat.Sys().(*syscall.Stat_t)
-		return time.Unix(int64(unixStat.Ctim.Sec), int64(unixStat.Ctim.Nsec))
+		return time.Unix(int64(unixStat.Mtim.Sec), int64(unixStat.Mtim.Nsec))
 	}
 }
 

internal/app/wwctl/container/shell/root.go

@@ -25,6 +25,7 @@ var (
 	}
 	binds    []string
 	nodeName string
+	syncUser bool
 )
 
 func init() {
@@ -33,6 +34,7 @@ Bind a local path which must exist into the container. If destination is not
 set, uses the same path as source. "ro" binds read-only. "copy" temporarily
 copies the file into the container.`)
 	baseCmd.PersistentFlags().StringVarP(&nodeName, "node", "n", "", "Create a read only view of the container for the given node")
+	baseCmd.PersistentFlags().BoolVar(&syncUser, "syncuser", false, "Synchronize UIDs/GIDs from host to container")
 }
 
 // GetRootCommand returns the root cobra.Command for the application.