8c9ba67296
It's not obvious, but the if statements can change the PIPESTATUS meaning we're not matching what we think we're matching. Save the pipestatus of the backup commands so we exit the backup script with the right code. Change-Id: I83c7db45d3622067eb05107e26fbdc7a8aeecf63
67 lines
1.9 KiB
Django/Jinja
67 lines
1.9 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 [[ ${_status[1]} -ne 1 ]]; then
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info "Borg failed!"
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stream_exit=${_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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fi
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exit ${backup_exit}
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