mirror of
https://github.com/deuill/coreos-home-server.git
synced 2024-09-21 13:40:45 +00:00
Alex Palaistras
ab12d60d31
Container builds using the `container-build@` systemd service will generally tag any container image built with the `latest` tag, which is then referred to pervasively in container executions. However, this tag is overwritten when building new images, and, combined with how `podman auto-update` will prune old image digests, may cause us to lack the ability to roll back, automatically or otherwise. This commit sets a `previous` tag on container re-builds, which should only generally happen when source files change (due to the `ExecCondition`) present on the service, which in turn should ensure that images are not spuriously tagged as such.
17 lines
887 B
Desktop File
17 lines
887 B
Desktop File
[Unit]
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Description=Container Build for %I
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Wants=network-online.target container-environment@%i.service container-network@internal.service container-build@%i.path
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After=network-online.target container-environment@%i.service container-network@internal.service
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ConditionPathExists=%E/coreos-home-server/%i/Containerfile
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[Service]
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Type=oneshot
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SyslogIdentifier=%N
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Environment=PODMAN_BUILD_OPTIONS=
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ExecCondition=/bin/sh -c 'test -z "$(podman image list --quiet --filter until!="$(find %E/coreos-home-server/%i/{Containerfile,container} -type f -printf "%%T@\n" | sort -n | tail -1)" --filter reference=localhost/%i)"; exit $?'
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ExecStartPre=-/bin/podman image tag localhost/%i:latest localhost/%i:previous
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ExecStart=/bin/podman build $PODMAN_BUILD_OPTIONS --file %E/coreos-home-server/%i/Containerfile --tag localhost/%i:latest %E/coreos-home-server/%i
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[Install]
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WantedBy=multi-user.target
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