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

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Implement basic volume backup and restore mechanism This commit implements three new services, specifically: - The `container-volume` service, which applies to a specific volume name and ensures this exists. This is mainly useful as a dependency to other services, as Podman will create named volumes itself if needed. - The `container-volume-backup` service, which creates a `tar.gz` snapshot of the given volume's contents in `/var/lib/backups`. - The `container-volume-restore` service, which populates an empty volume from a pre-existing file in `/var/lib/backups`, presumably created by `container-volume-backup`. These are then be used to automatically create volume snapshots every 12 hours, rolling over every 7 days.
2021-08-14 21:31:02 +00:00
[Unit]
Fix title-casing for service descriptions
2021-08-28 11:51:11 +00:00
Description=Backup for Container Volume %I
Implement basic volume backup and restore mechanism This commit implements three new services, specifically: - The `container-volume` service, which applies to a specific volume name and ensures this exists. This is mainly useful as a dependency to other services, as Podman will create named volumes itself if needed. - The `container-volume-backup` service, which creates a `tar.gz` snapshot of the given volume's contents in `/var/lib/backups`. - The `container-volume-restore` service, which populates an empty volume from a pre-existing file in `/var/lib/backups`, presumably created by `container-volume-backup`. These are then be used to automatically create volume snapshots every 12 hours, rolling over every 7 days.
2021-08-14 21:31:02 +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
Implement basic volume backup and restore mechanism This commit implements three new services, specifically: - The `container-volume` service, which applies to a specific volume name and ensures this exists. This is mainly useful as a dependency to other services, as Podman will create named volumes itself if needed. - The `container-volume-backup` service, which creates a `tar.gz` snapshot of the given volume's contents in `/var/lib/backups`. - The `container-volume-restore` service, which populates an empty volume from a pre-existing file in `/var/lib/backups`, presumably created by `container-volume-backup`. These are then be used to automatically create volume snapshots every 12 hours, rolling over every 7 days.
2021-08-14 21:31:02 +00:00
ExecStartPre=/bin/install --mode 0700 --directory %S/backups/coreos-home-server/%i
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
ExecStart=/bin/podman run --replace --rm --name %p-%i --entrypoint /bin/bash \
Implement basic volume backup and restore mechanism This commit implements three new services, specifically: - The `container-volume` service, which applies to a specific volume name and ensures this exists. This is mainly useful as a dependency to other services, as Podman will create named volumes itself if needed. - The `container-volume-backup` service, which creates a `tar.gz` snapshot of the given volume's contents in `/var/lib/backups`. - The `container-volume-restore` service, which populates an empty volume from a pre-existing file in `/var/lib/backups`, presumably created by `container-volume-backup`. These are then be used to automatically create volume snapshots every 12 hours, rolling over every 7 days.
2021-08-14 21:31:02 +00:00
--volume %i:/data:z,ro \
Implement minor improvements for volume backups Container volume backups will now be skipped if no changes have been made in source files against the latest backup. In addition the default timer has been changed for performing backups once a day, at 02:00, likely a time where there's less traffic on the server.
2022-02-05 16:01:22 +00:00
--volume %S/backups/coreos-home-server/%i:/backup:z \
Fix name expansion for container volume backups This was previously not expanded correctly as per Bash rules.
2021-12-26 13:31:32 +00:00
docker.io/debian:bullseye-slim -c \
Implement minor improvements for volume backups Container volume backups will now be skipped if no changes have been made in source files against the latest backup. In addition the default timer has been changed for performing backups once a day, at 02:00, likely a time where there's less traffic on the server.
2022-02-05 16:01:22 +00:00
'test -f /backup/%i-latest.tar.gz && \
test "$(find /data -type f -newer /backup/%i-latest.tar.gz -print -quit | wc -l)" -eq 0 && exit 0; \
name="%i-$(date +%%w%%H)" && \
tar --verbose --create --gzip --file "/backup/$name.tar.gz" --directory /data . && \
ln --force "/backup/$name.tar.gz" /backup/%i-latest.tar.gz'
Implement basic volume backup and restore mechanism This commit implements three new services, specifically: - The `container-volume` service, which applies to a specific volume name and ensures this exists. This is mainly useful as a dependency to other services, as Podman will create named volumes itself if needed. - The `container-volume-backup` service, which creates a `tar.gz` snapshot of the given volume's contents in `/var/lib/backups`. - The `container-volume-restore` service, which populates an empty volume from a pre-existing file in `/var/lib/backups`, presumably created by `container-volume-backup`. These are then be used to automatically create volume snapshots every 12 hours, rolling over every 7 days.
2021-08-14 21:31:02 +00:00
[Install]
WantedBy=multi-user.target
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