74 lines
2.1 KiB
Bash
74 lines
2.1 KiB
Bash
#!/bin/sh
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. /etc/backup.conf
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if [ -n "$HEALTHCHECK_URL" ]; then
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curl -L "{$HEALTHCHECK_URL}/start"
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fi
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# some helpers and error handling:
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info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
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trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
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info "Starting backup"
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# Backup the most important directories into an archive named after
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# the machine this script is currently running on:
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/usr/local/bin/borg-linux64 create \
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--verbose \
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--filter AME \
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--list \
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--stats \
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--show-rc \
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--compression lz4 \
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--exclude-caches \
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--exclude '*/mnt/' \
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\
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::'{hostname}-{now}' \
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/opt \
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backup_exit=$?
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info "Pruning repository"
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# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly
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# archives of THIS machine. The '{hostname}-' prefix is very important to
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# limit prune's operation to this machine's archives and not apply to
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# other machines' archives also:
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/usr/local/bin/borg-linux64 prune \
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--list \
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--prefix '{hostname}-' \
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--show-rc \
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--keep-daily 7 \
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--keep-weekly 4 \
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--keep-monthly 6 \
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prune_exit=$?
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# actually free repo disk space by compacting segments
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info "Compacting repository"
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/usr/local/bin/borg-linux64 compact
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compact_exit=$?
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# use highest exit code as global exit code
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global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
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global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
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if [ ${global_exit} -eq 0 ]; then
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info "Backup, Prune, and Compact finished successfully"
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elif [ ${global_exit} -eq 1 ]; then
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info "Backup, Prune, and/or Compact finished with warnings"
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else
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info "Backup, Prune, and/or Compact finished with errors"
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fi
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if [ -n "$HEALTHCHECK_URL" ]; then
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curl -L "{$HEALTHCHECK_URL}/{$global_exit}"
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fi
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exit ${global_exit} |