Comment 1 for bug 1929659

This bug sounds like pretty similar to [1], which is supposed to be fixed by [2].
If you inspect at [3], during step1 variables are dumped before the directory is created, and this is the root cause of the issue here.

[1] https://bugs.launchpad.net/tripleo/+bug/1925373
[2] https://review.opendev.org/c/openstack/heat/+/787662
[3] http://ix.io/3nTW