I want to run a script that installs a Mender Artifact automatically with “mender -install” and reboots the host if required. With this script, I will install a mix of rootfs updates and update modules (which do not require a reboot) and I would like the script to reboot the host only when required …

I believe that is the only way at the moment. It would probably not be hard to add this as a sub command to Mender though, if you would consider contributing. A flag like mender needs-reboot, for example? You could check if the value upgrade_available=1 exists using fw_printenv, but this only works…

Thanks. I do have a “mender query-reboot” command in the works (I’ll rename it to “needs-reboot” as suggested). Currently this command prints “yes” or “no” on the console in response. I will submit this in a PR as is, though I’m unsure whether I should control the return value of the mender client i…

And here it is: https://github.com/mendersoftware/mender/pull/600

In the end, this change (exit code method, with --reboot-exit-code command-line parameter) was merged through PR 603: https://github.com/mendersoftware/mender/pull/603

Automated/scripted reboot in standalone mode

General Discussions

hacpa September 9, 2020, 9:11pm 5

New PR using alternate method (exit code): https://github.com/mendersoftware/mender/pull/601

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Automated/scripted reboot in standalone mode

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