Keigo NOHA

https://github.com/redhat-openstack/infrared/blob/4af7acb14263c5f91db67f01b52bcee4e3a21e67/plugins/tripleo-undercloud/backup.yml#L36 According to requirements.txt, infrared use ansible version as follows. ~~~ ansible>=2.7.13,=2.9.0,= '3' ~~~ Until Ansible-2.9, ansible.builtin.stat cannot be used. https://docs.ansible.com/ansible/2.9/modules/stat_module.html So, I think it should be stat instead of...

`infrared tripleo-undercloud --update-undercloud yes` failed to run `openstack tripleo container image prepare` because the subcommand doesn't exist.

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`infrared tripleo-undercloud --update-undercloud yes` tries to use `openstack tripleo container image prepare` command then it failed to run because the subcommand doesn't exist.