72 lines
2.1 KiB
Django/Jinja
72 lines
2.1 KiB
Django/Jinja
#!/bin/bash
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# Flags based on
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# https://borgbackup.readthedocs.io/en/stable/quickstart.html
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if [ -z "$1" ]; then
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echo "Must specify backup host"
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exit 1
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fi
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BORG="/opt/borg/bin/borg"
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BORG_CREATE="${BORG} create --verbose --filter AME --list --stats --show-rc --compression lz4 --exclude-caches "
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# Setting this, so the repo does not need to be given on the commandline:
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export BORG_REPO="ssh://{{ borg_username}}@${1}/opt/backups/{{ borg_username }}/backup"
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# some helpers and error handling:
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info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
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trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
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info "Starting backup"
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# This avoids UI prompts when first accessing the remote repository
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export BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK=1
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# Backup the most important directories into an archive named after
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# the machine this script is currently running on:
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${BORG_CREATE} \
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{% for item in borg_backup_excludes + borg_backup_excludes_extra -%}
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--exclude '{{ item }}' \
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{% endfor -%}
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::'{hostname}-filesystem-{now}' \
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{% for item in borg_backup_dirs + borg_backup_dirs_extra -%}
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{{ item }} {{ '\\' if not loop.last }}
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{% endfor -%}
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backup_exit=$?
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for f in $(shopt -s nullglob; echo /etc/borg-streams/*)
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do
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stream_name=$(basename $f)
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info "Backing up stream archive $stream_name"
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bash $f | ${BORG_CREATE} --stdin-name ${stream_name} \
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::"{hostname}-${stream_name}-{now}" -
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_status=( "${PIPESTATUS[@]}" )
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if [[ ${_status[0]} -ne 0 ]]; then
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info "Streaming script ${f} failed!"
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stream_exit=${_status[0]}
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elif [[ ${_status[1]} -ne 0 ]]; then
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info "Borg failed (rc: ${_status[1]})!"
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stream_exit=${_status[1]}
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else
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stream_exit=0
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fi
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(( backup_exit = backup_exit || stream_exit ))
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done
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if [ ${backup_exit} -eq 0 ]; then
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info "Backup finished successfully"
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else
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info "Backup finished with errors"
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if [ ${BORG_UNDER_CRON:-0} -eq 1 ]; then
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echo "Backups failed on host $(hostname) at $(date)." | \
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mail -s "ACTION REQUIRED: Backup failed on $(hostname)" infra-root@openstack.org
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fi
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fi
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exit ${backup_exit}
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