infrastructure/coreos-config/plays/templates/restore.sh.j2

#!/bin/sh


# Setting this, so the repo does not need to be given on the commandline:
# See the section "Passphrase notes" for more infos.
export BORG_PASSPHRASE='{{ backup.password }}'
export BORG_REPO=ssh://{{ backup.remote.user }}@{{ backup.remote.url }}
export BORG_RSH='ssh -i /root/.ssh/storagebox'

{% if provision.from_backup.name is defined %}
RESTORE_FROM={{ provision.from_backup.name }}
{% else %}
RESTORE_FROM=$(borg list --short --sort-by timestamp --last 1 --glob-archives "{hostname}*")
{% endif %}

{% raw %}

# some helpers and error handling:
info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; }
trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM

# Backup the most important directories into an archive named after
# the machine this script is currently running on:

# Starting restore
info "Starting Restore from backup"

cd /


borg extract \
    --list \
    "::${RESTORE_FROM}"


restore_exit=$?


# use highest exit code as global exit code
global_exit=$restore_exit

if [ ${global_exit} -eq 0 ]; then
    info "Restore finished successfully"
elif [ ${global_exit} -eq 1 ]; then
    info "Restore finished with warnings"
else
    info "Restore finished with errors"
fi

exit ${global_exit}

{% endraw %}