Felipe Lalanne e7ec42fadc Use a breadcrumb to mark that a reboot is required
As changes to config.json may restart the supervisor before it can
trigger the reboot (or something can kill the supervisor before it can run that step),
the supervisor needs a persistent signal that a reboot is required
(instead of the current transient signal).

With this commit, the supervisor will now create a breadcrumb in the
host `/tmp` folder, that will be checked as the last step of the
configuration changes.
2022-02-15 12:52:48 -03:00
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