Luca Boccassi
7b62f9b4f5
Since this was introduced I constantly find myself waiting for VMs to
shut down at the end of a test. This not only happens with mkosi integration
tests, but with other VM-based tests like for example autopkgtest. In this
example, this dracut test suite runtime is tripled due to the artificial delay:
[ 5.813234] systemd-shutdown[1]: Syncing filesystems and block devices.
[ 5.814635] systemd-shutdown[1]: Delaying shutdown for 9s, in order to reach minimum uptime of 15s.
[ 8.816855] systemd-shutdown[1]: Delaying shutdown for 6s, in order to reach minimum uptime of 15s.
[ 11.819747] systemd-shutdown[1]: Delaying shutdown for 3s, in order to reach minimum uptime of 15s.
[ 14.822660] systemd-shutdown[1]: Delaying shutdown for 601ms, in order to reach minimum uptime of 15s.
[ 15.427777] systemd-shutdown[1]: Powering off.
[ 15.429681] sd 0:0:0:0: [sda] Synchronizing SCSI cache
[ 15.433620] ACPI: PM: Preparing to enter system sleep state S5
[ 15.435148] reboot: Power down
TEST: root filesystem on a ext4 filesystem with systemd and extensions [OK]
autopkgtest [19:39:12]: test 46-systemd-sysext: -----------------------]
autopkgtest [19:39:13]: test 46-systemd-sysext: - - - - - - - - - - results - - - - - - - - - -
46-systemd-sysext PASS
Contrary to what the comment claimed, the scrollback of a VM is _not_
cleared, EDK2 just prints many pages, and one can just scroll up (a lot).
Do not delay by default on VMs. Move the check so that in both containers
and VMs users can override and force a delay with the env var.
Follow-up for 0874eea302
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