autoupdate-host: new example

In service to coreos/fedora-coreos-docs#540
cgwalters · May 4, 2023 · 8ba00bc · 8ba00bc
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diff --git a/autoupdate-unit/Containerfile b/autoupdate-unit/Containerfile
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+# This example injects a systemd unit to perform automatic daily OS updates.
+FROM quay.io/fedora/fedora-coreos:stable
+# The key content is in [usr/lib/systemd/system](usr/lib/systemd/system)
+ADD usr usr
+# At the current time, zincati cannot be used for container updates.  More in https://github.com/coreos/fedora-coreos-tracker/issues/1263
+RUN systemctl mask zincati
diff --git a/autoupdate-unit/usr/lib/systemd/system/autoupdate-host.service b/autoupdate-unit/usr/lib/systemd/system/autoupdate-host.service
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+[Unit]
+Description=Automatic host upgrades
+[Service]
+Type=simple
+# Note that this will be a no-op if there are no changes.
+ExecStart=rpm-ostree upgrade --reboot
+# We'll use https://github.com/coreos/rpm-ostree/pull/4384 in the future
+StandardOutput=null
diff --git a/autoupdate-unit/usr/lib/systemd/system/autoupdate-host.timer b/autoupdate-unit/usr/lib/systemd/system/autoupdate-host.timer
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+[Unit]
+Description=Automatic daily host upgrades
+[Timer]
+OnBootSec=1h
+OnUnitInactiveSec=1d
+[Install]
+WantedBy=timers.target
diff --git a/autoupdate-unit/usr/lib/systemd/system/timers.target.wants/autoupdate-host.timer b/autoupdate-unit/usr/lib/systemd/system/timers.target.wants/autoupdate-host.timer
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+../autoupdate-host.timer