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coreos-home-server/host/base/systemd/container-build@.service

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First public release for CoreOS Home Server This contains the culmination of work done privately for a few months, and is intended to be a solid basis for other peoples' experimentations with setting up single-node, home-server setups using Fedora CoreOS.
2021-01-13 16:36:50 +00:00
[Unit]
Fix title-casing for service descriptions
2021-08-28 11:51:11 +00:00
Description=Container Build for %I
Simplify systemd services, use volumes This commit represents a large amount of work toward moving services to a more standard approach to storing data, and a simplification in how networks are managed.
2021-06-27 11:52:47 +00:00
Wants=network-online.target container-environment@%i.service container-network@internal.service container-build@%i.path
After=network-online.target container-environment@%i.service container-network@internal.service
Improve service initialization, move system files System files are moved to `/etc/coreos-home-server` to be unambiguous in relation to other, pre-installed system files. Long-running services are also now defined as `Type=notify`, which helps improve ordering and dependencies.
2021-08-14 21:28:28 +00:00
ConditionPathExists=%E/coreos-home-server/%i/Containerfile
First public release for CoreOS Home Server This contains the culmination of work done privately for a few months, and is intended to be a solid basis for other peoples' experimentations with setting up single-node, home-server setups using Fedora CoreOS.
2021-01-13 16:36:50 +00:00
[Service]
Type=oneshot
Set generic Podman defaults and per-service log IDs Defaults for Podman that were previous applied as command-line arguments to all `podman run` or `podman create` invocations are now specified in a dedicated configuration file. Services are also better identified against their name rather than the generic `podman` ID derived from the `ExecStart` invocations.
2021-08-28 18:16:29 +00:00
SyslogIdentifier=%N
Skip container builds unless local files changed This commit adds an `ExecCondition` directive on the `container-build@` service, used as a pre-requisite for all other Podman-based services, skipping `podman build` invocations unless local `Containerfile` or any files in the `container` sub-directories have changed. Container builds are responsible for the majority of time taken during boot, even with cache in place; this will help alleviate pressure and hopefully speed up boot considerably.
2023-12-20 19:19:58 +00:00
Environment=PODMAN_BUILD_OPTIONS=
container-build: Use `bash` for `ExecCondition` Since `sh` may point to a POSIX shell, and brace expansion is undefined there.
2023-12-30 18:38:54 +00:00
ExecCondition=/bin/bash -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 $?'
Tag existing images with `previous` on re-build 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.
2023-12-22 19:27:40 +00:00
ExecStartPre=-/bin/podman image tag localhost/%i:latest localhost/%i:previous
Improve service initialization, move system files System files are moved to `/etc/coreos-home-server` to be unambiguous in relation to other, pre-installed system files. Long-running services are also now defined as `Type=notify`, which helps improve ordering and dependencies.
2021-08-14 21:28:28 +00:00
ExecStart=/bin/podman build $PODMAN_BUILD_OPTIONS --file %E/coreos-home-server/%i/Containerfile --tag localhost/%i:latest %E/coreos-home-server/%i
First public release for CoreOS Home Server This contains the culmination of work done privately for a few months, and is intended to be a solid basis for other peoples' experimentations with setting up single-node, home-server setups using Fedora CoreOS.
2021-01-13 16:36:50 +00:00
[Install]
WantedBy=multi-user.target
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