Add additional Docker provisioner OS support #244
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- Add EL 9 support - Add SLES support
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Summary
Add support for EL 9 containers with or without systemd as init. Tested with:
Add support for SLES 15 (and possibly 12) containers with or without systemd as init. Tested with:
Additional Context
For the EL 9 changes, in testing I found that the
yum installcommand would often not complete successfully when using an init image. The root cause seems to be some type of race condition where during systemd startup /var/cache/dnf is not always available by the time yum (dnf) is invoked, causing an error such as[Errno 2 No such file or directory: '/var/cache/dnf/metadata_lock.pid'during the yum/dnf run.Checklist