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|
#!/bin/bash
USAGE=""
# shellcheck source=resteasy-helper.sh
source "$(resteasy --exec-path)/resteasy-helper.sh"
set -o errexit
set -o nounset
[[ "$#" -eq 0 ]] || die_with_usage "too many arguments"
[[ $EUID -eq 0 ]] || die "must be root"
failed() {
log_status "errors encountered during backup"
}
trap failed EXIT
borg --version
# location of the mounted borg repository
export BORG_REPO="$RESTEASY_MOUNT_POINT/borgbackup/$HOSTNAME"
# set some environment variables to prevent borg from asking interactive questions
export BORG_RELOCATED_REPO_ACCESS_IS_OK=no # relocated repos aren't cache-friendly
export BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=no
export BORG_PASSCOMMAND="cat /etc/resteasy"
# backup the system into an archive named after
# the machine this script is currently running on
log_status "starting backup"
borg create \
--verbose \
--filter AME \
--list \
--stats \
--show-rc \
--compression lz4 \
--exclude-caches \
--exclude '/var/cache/' \
--exclude '/var/tmp/' \
--exclude '/root/.cache/' \
--exclude '/var/lib/docker/devicemapper/' \
--exclude '/home/*/.cache/' \
--exclude '/home/*/.local/share/Steam' \
::'{hostname}-{now}' \
/etc \
/home \
/root \
/srv \
/usr/local \
/var
# unnecessary, but just to be extra sure that data has made it onto disk
sync
log_status "pruning repository"
# Use the `prune` subcommand to maintain archives of THIS machine. The
# '{hostname}-' prefix is very important to limit prune's operation to this
# machine's archives and not apply to other machines' archives too
borg prune \
--list \
--prefix '{hostname}-' \
--show-rc \
--keep-daily 7 \
--keep-weekly 4 \
--keep-monthly 12 \
--keep-yearly 10
borg check
log_status "backup completed successfully"
trap - EXIT
|
