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feat: report a dpkg left halfway and when the host's own automatic updates last succeeded
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An unattended upgrade cut off while it built an initrd left a kernel package
half-configured on an Ubuntu host. For three months apt refused every upgrade,
while apt.systemd.daily exited quietly and the timers reported success
(NetOrk/netork#738).

HOST_STATUS_COMMAND now also reads, without root:

- dpkg's state the way apt checks it: numbered files left in
  /var/lib/dpkg/updates, or a package half-installed, unpacked,
  half-configured, waiting for triggers or flagged for reinstallation.
  While dpkg, apt, aptitude or unattended-upgrade runs, packages are
  halfway on purpose, so the answer is then None.
- /var/lib/apt/periodic/upgrade-stamp, which apt.systemd.daily touches only
  after unattended-upgrade succeeded, and the interval of
  APT::Periodic::Unattended-Upgrade in apt's units. update-success-stamp is
  not read: every apt-get update touches it, whoever runs it.

HostStatusDict gains package_manager_interrupted, interrupted_packages,
auto_updates_last_success and auto_updates_interval, all NotRequired.
This commit is contained in:
christianmanivong
2026-10-08 16:07:55 +02:00
parent ba2f18ea7d
commit 7b44f689bc
5 changed files with 247 additions and 10 deletions
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README.md
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@@ -81,8 +81,10 @@ too, and `hasattr(driver, "get_kernel_facts")` has to stay truthful.
`HostStatusMixin` (`get_host_status`) is mixed in the same way: whether a Linux host needs
a reboot to finish an update (`/var/run/reboot-required`, `needs-restarting -r`, or a newer
kernel of the running flavour installed) and whether it patches itself (unattended-upgrades,
dnf-automatic). `package_updates` holds the shared apt and dnf parsers: apt's suites become
kernel of the running flavour installed), whether it patches itself (unattended-upgrades,
dnf-automatic) and when that last succeeded (apt's `upgrade-stamp`), and whether dpkg was
left halfway (a journal in `/var/lib/dpkg/updates` or a half-configured package; unknown
while a package manager is running). `package_updates` holds the shared apt and dnf parsers: apt's suites become
an update's `origin`, a `-security` suite makes it a security update, and dnf's security
advisories do the same.