etcdctl/ctlv3/command/lease_command.go
func leaseRevokeCommandFunc(cmd *cobra.Command, args []string) {
	if len(args) != 1 {
		ExitWithError(ExitBadArgs, fmt.Errorf("lease revoke command needs 1 argument"))
	}

	id := leaseFromArgs(args[0])
	ctx, cancel := commandCtx(cmd)
	resp, err := mustClientFromCmd(cmd).Revoke(ctx, id)
	cancel()
	if err != nil {
		ExitWithError(ExitError, fmt.Errorf("failed to revoke lease (%v)", err))
	}
	display.Revoke(id, *resp)
}
func leaseRevokeCommandFunc(cmd *cobra.Command, args []string) {
	if len(args) != 1 {
		ExitWithError(ExitBadArgs, fmt.Errorf("lease revoke command needs 1 argument"))
	}

	id := leaseFromArgs(args[0])
	ctx, cancel := commandCtx(cmd)
	resp, err := mustClientFromCmd(cmd).Revoke(ctx, id)
	cancel()
	if err != nil {
		ExitWithError(ExitError, fmt.Errorf("failed to revoke lease (%v)", err))
	}
	display.Revoke(id, *resp)
}
// leaseRevokeCommandFunc executes the "lease grant" command.