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GeezerVison is showing github.com — test(host): run the connectivity watchdog under real systemd in the KVM harness by Mearman · Pull Request #241 · ExaDev/github-runner

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@Mearman

@Mearman Mearman commented Nov 7, 2026

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Adds the connectivity watchdog to the KVM harness: the real transaction and watchdog worker, with the unit from the role's template, run under a guest's systemd and NetworkManager. It changes no role, module or host behaviour.

Measured in a disposable offline guest on NetworkManager 1.54.3: a change whose owner crashes before committing is restored by the worker after its deadline (13 s against a 12 s deadline); the same holds when the worker is also killed with SIGKILL and systemd restarts it within a second; a change committed in time is left in place after its deadline.

Not covered: a reboot (the boot-id path, still tested with fakes only), and the guest's NetworkManager reported connectivity checking off from the start, so the recorded rolled_back phase, written only after the reload returns, is the evidence that the reload ran.

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@Mearman
test(host): run the connectivity watchdog under real systemd in the K…
fb9c875 
…VM harness

The watchdog and the transaction were only exercised with fakes. The harness now runs the real
modules and the unit from the role's template under a guest's systemd and NetworkManager: a
change whose owner crashes is restored by the worker after its deadline, the same holds when
the worker is killed too and systemd restarts it, and a change committed in time is kept.
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@Mearman
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