#! /bin/bash # If first arg is bash, we'll just execute directly if [ "$1" == "bash" ]; then exec "$@" exit 0 fi # If no env variable set, get from command line if [ "$OPT_ARGUMENTS" == "" ]; then export OPT_ARGUMENTS="$*" fi # Init the repo restic -r "$BACKUP_DEST" snapshots || restic -r "$BACKUP_DEST" init # If set to restore on start, restore if the data volume is empty if [ "$RESTORE_ON_EMPTY_START" == "true" ] && [ -z "$(ls -A "$PATH_TO_BACKUP")" ]; then /cron-exec.sh /restore.sh latest fi # Unless explicitly skipping, take a backup on startup if [ "$SKIP_ON_START" != "true" ]; then /cron-exec.sh /backup.sh fi if [ -n "$CRON_SCHEDULE" ]; then # Export the environment to a file so it can be loaded from cron env | sed 's/^\(.*\)=\(.*\)$/export \1="\2"/g' > /env.sh # Remove some vars we don't want to keep sed -i '/\(HOSTNAME\|affinity\|SHLVL\|PWD\)/d' /env.sh # Use bash for cron echo "SHELL=/bin/bash" > /crontab.conf # Schedule the backups echo "$CRON_SCHEDULE /cron-exec.sh /backup.sh" >> /crontab.conf echo "Backups scheduled as $CRON_SCHEDULE" if [ -n "$VERIFY_CRON_SCHEDULE" ]; then echo "$VERIFY_CRON_SCHEDULE /cron-exec.sh /verify.sh" >> /crontab.conf echo "Verify scheduled as $VERIFY_CRON_SCHEDULE" fi # Add to crontab crontab /crontab.conf echo "Starting restic cron..." cron touch /cron.log tail -f /cron.log fi