98 lines
2.4 KiB
Bash
Executable File
98 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# Script configuration
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#
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script_dir=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
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set -o allexport
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source ${script_dir}/config/system_backup
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set +o allexport
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export BORG_REPO=$MOUNTPOINT/borg/backups
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DATE=$(date -u +%Y-%m-%d-%H-%M)
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#
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# Create backups
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#
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# Options for borg create
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BORG_OPTS="--stats --compression lz4 --one-file-system --checkpoint-interval 86400"
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# No one can answer if Borg asks these questions, it is better to just fail quickly
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# instead of hanging.
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export BORG_RELOCATED_REPO_ACCESS_IS_OK=no
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export BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=no
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# some helpers and error handling:
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info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
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trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
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borg --version
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info "Starting backup for $DATE"
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borg create $BORG_OPTS \
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--verbose \
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--filter AME \
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--list \
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--stats \
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--show-rc \
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--compression lz4 \
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--exclude-caches \
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--exclude 'root/.cache' \
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--exclude 'home/*/.cache/*' \
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--exclude 'var/tmp/*' \
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::'{hostname}-debian-{now}' \
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/home /root /etc /var
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backup_exit=$?
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info "Pruning repository"
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borg prune \
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--list \
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--glob-archives '{hostname}-debian-*' \
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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_1=$?
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borg prune \
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--list \
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--glob-archives '{hostname}-trident-*' \
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--show-rc \
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--keep-daily 7 \
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--keep-weekly 4 \
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--keep-monthly 6
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prune_exit_2=$?
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prune_exit=$(( prune_exit_2 > prune_exit_1 ? prune_exit_2 : prune_exit_1 ))
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info "Compacting repository"
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borg compact
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compact_exit=$?
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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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exit ${global_exit}
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