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auto-update service: prune images

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Extend the systemd auto-update service to prune images after an update
has run.  As reported by a user [1], auto updates can over time cause
the disk to run out of space.  With Edge being a target use case, we
need to make sure that systems can run without much supervision, so
let's make sure to run `podman image prune` to clean up dangling images.

[1] https://twitter.com/r_isc_y/status/1388981737011793921

Fixes: #10190
Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
This commit is contained in:
Valentin Rothberg
2021-05-14 14:28:22 +02:00
parent d05cc0a04a
commit 9738f63bac
1 changed files with 1 additions and 0 deletions
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contrib/systemd/auto-update/podman-auto-update.service
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@ -7,6 +7,7 @@ After=network-online.target
[Service]
Type=oneshot
ExecStart=/usr/bin/podman auto-update
ExecStartPost=/usr/bin/podman image prune -f
[Install]
WantedBy=multi-user.target default.target